Scientific Name
Common Name
Family Native or
Introduced
Life Form Location
1 Acacia arabica
Amrad Gum
Fabaceae
legume family
Introduced Perennial
Deciduous
Tree

Lower Park

2 Acacia nilotica
Gum Arabic Tree
Fabaceae
legume family
Introduced Perennial
Deciduous
Tree

Lower Park

3 Acer buergerianum
Trident Maple
Sapindaceae
soapberry family
Introduced Perennial
Deciduous
Tree

Lower Park

4 Acer macrophyllum
Big-leaved Maple
Sapindaceae
soapberry family
Native Perennial
Deciduous
Tree
Upper South
Upper North
Middle Park
Lower Park
5 Acer negundo
Box-elder
Sapindaceae
soapberry family
Native Perennial
Deciduous
Tree

Lower Park

6 Acer saccarinum
Silver Maple
Sapindaceae
soapberry family
Introduced Perennial
Deciduous
Tree

Lower Park

7 Achillea millefolium
Yarrow
Asteraceae
sunflower or composite family
Native Perennial

Herb

Upper South
Upper North
Middle Park
Lower Park
8 Achyrachaena mollis
Blow-wives
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper South
Upper North
Middle Park

9 Acmispon americanus var. americanus
Spanish Lotus
Fabaceae
legume family
Native Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
10 Acmispon brachycarpus
Foothill Lotus
Fabaceae
legume family
Native Annual

Herb

Upper South
Upper North

11 Acmispon parvivlflorus
Small-flowered Lotus
Fabaceae
legume family
Native Annual

Herb

Upper South
Upper North

12 Acmispon wrangelianus
Wrangel Lotus
Fabaceae
legume family
Native Annual

Herb

Upper South
Upper North

13 Actinidia chinensis
Kiwi
Actinidiaceae
chinese gooseberry family
Introduced Perennial
Deciduous
Vine

Lower Park

14 Adiantum aleuticum
Five-finger Fern
Pteridaceae
brake family
Native Perennial

Herb

Upper North

15 Adiantum capillus-veneris
Southern Maidenhair
Pteridaceae
brake family
Native Perennial

Herb

Upper South
Upper North
Middle Park

16 Adiantum jordanii
California Maidenhair
Pteridaceae
brake family
Native Perennial

Herb

Upper South
Upper North
Middle Park

17 Aegilops triuncialis
Barbed Goatgrass
Poaceae
grass family
Introduced Annual

Herb

Upper South
Upper North
Middle Park

18 Aesculus californica
California Buckeye
Sapindaceae
soapberry family
Native Perennial
Deciduous
Shrub/
Tree
Upper South
Upper North
Middle Park
Lower Park
19 Agave ?
Agave
Agavaceae
century plant family
Introduced Perennial
Leaf
Succulent
20 Agoseris grandiflora
Large-flowered Agoseris
Asteraceae
sunflower or composite family
Native Perennial

Herb

Upper South
Upper North
Middle Park

21 Agoseris heterophylla
Annual Agoseris
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper South
Upper North

22 Agoseris retrorsa
Spear-leaved Agoseris
Asteraceae
sunflower or composite family
Native Perennial

Herb

Upper South

23 Agrostis exarata
Spiked Bentgrass
Poaceae
grass family
Native Perennial

Herb

Upper South

24 Agrostis gigantea
Giant Bentgrass
Poaceae
grass family
Introduced Perennial

Herb

Upper South

25 Agrostis microphylla
Small-leaved Bentgrass
Poaceae
grass family
Native Annual

Herb

Upper North
Middle Park

26 Agrostis pallens
Leafy Bentgrass
Poaceae
grass family
Native Perennial

Herb

Upper South

27 Agrostis stolonifera
Creeping Bentgrass
Poaceae
grass family
Introduced Perennial

Herb

Middle Park
Lower Park

28 Ailanthus altissima
Tree-of-Heaven
Simaroubaceae
quassia family
Introduced Perennial
Deciduous
Tree
Upper South

Middle Park
Lower Park

29 Aira caryophyllea
Silver European Hairgrass
Poaceae
grass family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
30 Albizia julibrissin
Silk Tree Mimosa
Fabaceae
legume family
Introduced Perennial
Deciduous
Tree

Middle Park
Lower Park

31 Alcea rosea
Hollyhock
Malvaceae
mallow family
Introduced Biennial/
Perennial
Herb

Middle Park

32 Alisma plantago-aquatica
Water-plantain
Alismataceae
water-plantain family
Native Perennial

Herb

Upper North
Middle Park

33 Allium amplectens
Clasping Onion
Alliaceae
onion family (treated in lily family)
Native Perennial
Bulbous
Herb
Upper South

Middle Park

34 Allium neapolitanum
White Garlic
Alliaceae
onion family (treated in lily family)
Introduced Perennial
Bulbous
Herb
35 Allium peninsulare var. peninsulare
Mexican Onion
Alliaceae
onion family (treated in lily family)
Native Perennial
Bulbous
Herb
Upper South
Upper North

36 Allium sanbornii var. sanbornii
Sandborn’s Onion
Alliaceae
onion family (treated in lily family)
Native Perennial
Bulbous
Herb
Upper North

37 Alnus rhombifolia
White Alder
Betulaceae
birch family
Native Perennial
Deciduous
Tree
Upper South
Upper North
Middle Park
Lower Park
38 Alopecurus saccatus
Vernal Pool Foxtail
Poaceae
grass family
Native Annual

Herb

Middle Park

39 Amaranthus albus
Tumbleweed
Amaranthaceae
amaranth family
Introduced Annual

Herb

Upper North
Middle Park

40 Amaranthus blitoides
Mat Amaranth
Amaranthaceae
amaranth family
Native Annual

Herb

Middle Park

41 Amaranthus deflexus
Largefruit Amaranth
Amaranthaceae
amaranth family
Introduced Annual

Herb

Lower Park

42 Amaranthus retroflexus
Red-rooted Amaranth
Amaranthaceae
amaranth family
Introduced Annual

Herb

Middle Park

43 Ambrosia psilostachya
Western Ragweed
Asteraceae
sunflower or composite family
Native Perennial

Herb

Upper North
Middle Park

44 Ammannia coccinea
Valley Redstem
Lythraceae
loosestrife family
Native Annual

Herb

Middle Park

45 Amsinckia eastwoodii
Eastwood’s Fiddleneck
Boraginaceae
borage family
Native Annual

Herb

46 Amsinckia intermedia
Common Fiddleneck
Boraginaceae
borage family
Native Annual

Herb

Upper South
Upper North
Middle Park

47 Amsinckia lycopsoides
Bugloss Fiddleneck
Boraginaceae
borage family
Native Annual

Herb

Upper North

48 Amsinckia menziesii
Menzies’ Fiddleneck
Boraginaceae
borage family
Native Annual

Herb

Upper South
Upper North
Middle Park

49 Anagallis arvensis
Scarlet Pimpernel
Myrsinaceae
myrsine family
Introduced Annual

Herb

Upper South
Upper North

50 Andropogon glomeratus var. scabriglumis
Southwestern Bushy Bluestem
Poaceae
grass family
Native Perennial

Herb

Upper South
Upper North

51 Andropogon virginicus var. virginicus
Broomsedge Bluestem
Poaceae
grass family
Introduced Perennial

Herb

Upper South

Middle Park

52 Anisocarpus madiodes
Woodland Madia
Asteraceae
sunflower or composite family
Native Perennial

Herb

Upper North

53 Anthemis cotula
Mayweed
Asteraceae
sunflower or composite family
Introduced Annual

Herb

Upper South

Middle Park

54 Anthriscus caucalis
Bur-chervil
Apiaceae
carrot or umbel family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
55 Antirrhinum cornutum
Spurred Snapdragon
Plantaginaceae
plantain family
Native Annual

Herb

Upper North
Middle Park

56 Antirrhinum vexillocalyculatum ssp. intermedium
Wiry Snapdragon
Plantaginaceae
plantain family
Native Annual

Herb

Upper North

57 Aphanes occidentalis
Western Lady’s-mantle
Rosaceae
rose family
Native Annual

Herb

Upper South
Upper North
Middle Park

58 Apocynum cannabinum
Indian-hemp
Apocynaceae
dogbane family
Native Perennial

Herb

Upper South
Upper North

59 Arbutus menziesii
Pacific Madrone
Ericaceae
heath and wintergreen family
Native Perennial
Evergreen
Tree
Upper South

Lower Park

60 Arbutus unedo
Strawberry Tree
Ericaceae
heath and wintergreen family
Introduced Perennial
Evergreen
Shrub/
Tree

Lower Park

61 Arceuthobium campylopodum
Gray Pine Dwarf-mistletoe
Viscaceae
mistletoe family
Native Perennial

Herb

Upper South
Upper North

62 Arctostaphylos manzanita ssp. manzanita
Big Manzanita
Ericaceae
heath and wintergreen family
Native Perennial
Evergreen
Shrub
Upper South
Upper North
Middle Park

63 Arctostaphylos mewukka ssp. mewukka
Indian Manzanita
Ericaceae
heath and wintergreen family
Native Perennial
Evergreen
Shrub
Upper South

64 Arctostaphylos nevadensis ssp. nevadensis
Pinemat Manzanita
Ericaceae
heath and wintergreen family
Native Perennial

Shrub

Lower Park

65 Arctostaphylos viscida ssp. viscida
White-leaved Manzanita
Ericaceae
heath and wintergreen family
Native Perennial
Evergreen
Shrub
Upper South
Upper North
Middle Park

66 Aristida oligantha
Oldfield Three-awn
Poaceae
grass family
Native Annual

Herb

Middle Park

67 Aristida ternipes var. gentilis
Hooked Three-awn
Poaceae
grass family
Native Perennial

Herb

Middle Park

68 Aristolochia californica
California Pipevine
Aristolochiaceae
pipevine family
Native Perennial

Vine

Upper South
Upper North
Middle Park
Lower Park
69 Arrhenatherum elatius
Tall Oatgrass
Poaceae
grass family
Introduced Perennial

Herb

Upper South

70 Artemisia douglasiana
Mugwort
Asteraceae
sunflower or composite family
Native Perennial

Herb

Upper South
Upper North
Middle Park
Lower Park
71 Arum italicum
Italian Arum
Araceae
Arum family
Introduced Perennial

Herb

Middle Park
Lower Park

72 Arundo donax
Giant Reed
Poaceae
grass family
Introduced Perennial

Herb

Middle Park
Lower Park

73 Asclepias cordifolia
Purple Milkweed
Apocynaceae
dogbane family
Native Perennial

Herb

Upper South

74 Asclepias eriocarpa
Indian Milkweed
Apocynaceae
dogbane family
Native Perennial

Herb

Upper North

75 Asclepias fascicularis
Narrow-leaved Milkweed
Apocynaceae
dogbane family
Native Perennial

Herb

Upper North

76 Asclepias speciosa
Showy Milkweed
Apocynaceae
dogbane family
Native Perennial

Herb

Upper South
Upper North
Middle Park

77 Asparagus officinalis
Garden Asparagus
Asparagaceae
asparagus family
Introduced Perennial
Rhizomaceous
Herb

Middle Park

78 Aspidotis californica
California Lace Fern
Pteridaceae
brake family
Native Perennial

Herb

Upper North

79 Aspidotis densa
Indian’s-Dream
Pteridaceae
brake family
Native Perennial

Herb

Upper North

80 Astragalus gambelianus
Gambel’s Milk-vetch
Fabaceae
legume family
Native Annual

Herb

Upper South
Upper North
Middle Park

81 Astragalus pauperculus
Depauperate Milkvetch
Fabaceae
legume family
Native Annual

Herb

Upper North
Middle Park

82 Athysanus pusillus
Petty Athysanus
Brassicaceae
mustard family
Native Annual

Herb

Upper South
Upper North
Middle Park

83 Avena barbata
Slender Wild Oat
Poaceae
grass family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
84 Avena fatua
Wild Oat
Poaceae
grass family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
85 Avena sativa
Cultivated Oat
Poaceae
grass family
Introduced Annual

Herb

Middle Park

86 Azolla microphylla
Mexican Mosquito Fern
Azollaceae
mosquito-fern family
Native Perennial

Herb

Upper South

87 Baccharis pilularis
Coyote-Brush
Asteraceae
sunflower or composite family
Native Perennial
Evergreen
Shrub
Upper South

88 Baccharis salicifolia
Mule’s-fat
Asteraceae
sunflower or composite family
Native Perennial
Deciduous
Shrub
Upper North
Middle Park

89 Bellis perennis
English Daisy
Asteraceae
sunflower or composite family
Introduced Perennial

Herb

Lower Park

90 Berberis aquifolium var. dictyota
Jepson’s Barberry
Berberidaceae
barberry family
Native Perennial
Deciduous
Shrub

Middle Park

91 Bergia texana
Texas Bergia
Elatinaceae
waterwort family
Native Annual/
Perennial
Herb

Middle Park

92 Berula erecta
Cut-leaved Water-Parsnip
Apiaceae
carrot or umbel family
Native Perennial

Herb

Upper North

93 Bidens frondosa
Sticktight
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper North
Middle Park

94 Blennosperma nanum
Yellow Carpet
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper North
Middle Park

95 Boechera breweri spp. shastaensis
Austin’s Rockcress
Brassicaceae
mustard family
Native Perennial

Herb

Upper South
Upper North

96 Boykinia occidentalis
Western Brookfoam
Saxifragaceae
saxifrage family
Native Perennial

Herb

Upper North

97 Brachypodium distachyon
False Broom
Poaceae
grass family
Introduced Annual

Herb

Upper South
Upper North

98 Brassica rapa
Field Mustard
Brassicaceae
mustard family
Introduced Annual

Herb

Upper North

99 Brickellia californica
California Brickellbush
Asteraceae
sunflower or composite family
Native Perennial
Deciduous
Shrub
Upper North
Middle Park

100 Briza maxima
Big Quaking-grass
Poaceae
grass family
Introduced Annual

Herb

Upper South

101 Briza minor
Lesser Quaking-grass
Poaceae
grass family
Introduced Annual

Herb

Upper South
Upper North
Middle Park

102 Brodiaea californica
California Brodiaea
Themidaceae
brodiaea family
Native Perennial
Bulbous
Herb
Upper South
Upper North

103 Brodiaea elegans ssp. elegans
Elegant Brodiaea
Themidaceae
brodiaea family
Native Perennial
Bulbous
Herb
Upper South
Upper North

104 Brodiaea minor
Small Brodiaea, Bluestars
Themidaceae
brodiaea family
Native Perennial
Bulbous
Herb
Upper South

Middle Park

105 Bromus carinatus var. carinatus
California Brome
Poaceae
grass family
Native Perennial

Herb

Upper South
Upper North

106 Bromus catharticus
Rescuegrass
Poaceae
grass family
Introduced Annual

Herb

Middle Park
Lower Park

107 Bromus diandrus
Ripgut Brome
Poaceae
grass family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
108 Bromus hordeaceus
Soft Chess
Poaceae
grass family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
109 Bromus japonicus
Japanese Brome
Poaceae
grass family
Introduced Annual

Herb

Upper North

Lower Park

110 Bromus laevipes
Woodland Brome
Poaceae
grass family
Native Perennial

Herb

Upper South
Upper North

111 Bromus madritensis ssp. madritensis
Foxtail Chess
Poaceae
grass family
Introduced Annual

Herb

Upper South

Middle Park
Lower Park

112 Bromus madritensis ssp. rubens
Red Brome
Poaceae
grass family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
113 Bromus racemosus
Smooth Chess
Poaceae
grass family
Introduced Annual

Herb

114 Bromus sterilis
Proverty Brome
Poaceae
grass family
Introduced Annual

Herb

Upper South
Upper North

115 Bromus tectorum
Cheat Grass, Downy Brome
Poaceae
grass family
Introduced Annual

Herb

116 Calandrinia ciliata
Redmaids
Montiaceae
miner’s lettuce family
Native Annual

Herb

Upper South
Upper North

117 Callitriche heterophylla
Variable-leaved Water-starwort
Plantaginaceae
plantain family
Native Annual

Herb

Upper South
Upper North
Middle Park

118 Callitriche marginata
Winged Water-starwort
Plantaginaceae
plantain family
Native Annual

Herb

Upper South

Middle Park

119 Calocedrus decurrens
Incense-cedar
Cupressaceae
cypress family
Native Perennial
Evergreen
Tree
Upper South
Upper North

Lower Park

120 Calochortus luteus
Yellow Mariposa-lily
Liliaceae
lily family
Native Perennial
Bulbous
Herb
Upper North
Middle Park

121 Calochortus monophyllus
Yellow Star-tulip
Liliaceae
lily family
Native Perennial
Bulbous
Herb
Upper South
Upper North

122 Calochortus superbus
Superb Mariposa -lily
Liliaceae
lily family
Native Perennial
Bulbous
Herb
Upper South
Upper North

123 Calycadenia ciliosa
Klamath Calycadenia
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper North
Middle Park

124 Calycadenia fremontii
Fremont’s Calycadenia
Asteraceae
sunflower or composite family
Native Annual

Herb

125 Calycadenia oppositifolia
Butte County Calycadenia
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper South
Upper North

126 Calycadenia truncata
Rosinweed
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper South
Upper North
Middle Park

127 Calycanthus occidentalis
Western Spicebush
Calycanthaceae
Calycanthus or sweet-shrub family
Native Perennial
Deciduous
Shrub
Upper South
Upper North
Middle Park
Lower Park
128 Calyptridium monospermum
One-seeded Pussypaws
Montiaceae
miner’s lettuce family
Native Perennial

Herb

Middle Park

129 Calystegia occidentalis ssp. occidentalis
Western Morning-glory
Convolvulaceae
morning-glory family
Native Perennial

Herb

Upper South
Upper North

130 Camellia reticulata
Camellia
Theaceae
tea family
Introduced Perennial
Evergreen
Shrub

Lower Park

131 Cannabis sativa
Marijuana
Cannabaceae
hemp family
Introduced Annual

Herb

Upper North

132 Capsella bursa-pastoris
Shepherds’s-purse
Brassicaceae
mustard family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
133 Cardamine californica
Milkmaids or Toothwort
Brassicaceae
mustard family
Native Perennial

Herb

Upper South
Upper North
Middle Park

134 Cardamine oligosperma
Western Bittercress
Brassicaceae
mustard family
Native Annual/
Biennial
Herb
Upper South
Upper North

Lower Park

135 Carduus pycnocephalus ssp. pycnocephalus
Italian Plumeless-thistle
Asteraceae
sunflower or composite family
Introduced Annual

Herb

Upper South
Upper North

136 Carex amplifolia
Ample-leaved Sedge
Cyperaceae
sedge family
Native Perennial

Herb

Upper South

137 Carex barbarae
Santa Barbara Sedge
Cyperaceae
sedge family
Native Perennial

Herb

Upper South
Upper North

Lower Park

138 Carex bolanderi
Bolander’s Sedge
Cyperaceae
sedge family
Native Perennial

Herb

Upper South

139 Carex densa
Dense Sedge
Cyperaceae
sedge family
Native Perennial

Herb

Upper South
Upper North

140 Carex feta
Green-sheathed Sedge
Cyperaceae
sedge family
Native Perennial

Herb

Upper South
Upper North
Middle Park

141 Carex fracta
Fragile-sheathed Sedge
Cyperaceae
sedge family
Native Perennial

Herb

Upper South

142 Carex leptopoda
Slender-footed Sedge
Cyperaceae
sedge family
Native Perennial

Herb

Upper South
Upper North

143 Carex multicaulis
Many-stemmed Sedge
Cyperaceae
sedge family
Native Perennial

Herb

Upper South
Upper North

144 Carex nudata
Torrent Sedge
Cyperaceae
sedge family
Native Perennial

Herb

Upper South
Upper North
Middle Park
Lower Park
145 Carex praegracilis
Clustered Field Sedge
Cyperaceae
sedge family
Native Perennial

Herb

Upper South
Upper North

146 Carya glabra
Pignut Hickory
Juglandaceae
walnut family
Introduced Perennial
Deciduous
Tree

Lower Park

147 Carya illinoinensis
Pecan
Juglandaceae
walnut family
Introduced Perennial
Deciduous
Tree

Lower Park

148 Castilleja affinis ssp affinis
Lay-and-Collie’s Indian-paintbrush
Orobanchaceae
broom-rape family
Native Perennial

Herb

Upper South
Upper North
Middle Park

149 Castilleja applegatei ssp pinetorum
Wavy-leaved Indian-paintbrush
Orobanchaceae
broom-rape family
Native Perennial

Herb

Upper South

150 Castilleja attenuata
Valley Tassel
Orobanchaceae
broom-rape family
Native Annual

Herb

Upper South
Upper North
Middle Park

151 Castilleja exserta
Purple Owl-clover
Orobanchaceae
broom-rape family
Native Annual

Herb

Upper North

Lower Park

152 Castilleja lacera
Cut-leaved Owl-clover
Orobanchaceae
broom-rape family
Native Annual

Herb

Upper South
Upper North

153 Catalpa speciosa
Western Catalpa
Bignoniaceae
Bignonia family
Introduced Perennial
Deciduous
Tree

Middle Park
Lower Park

154 Caulanthus lasiophyllus
Hairy-leaved Guillenia
Brassicaceae
mustard family
Native Annual

Herb

Upper North

155 Ceanothus cuneatus var. cuneatus
Buckbrush
Rhamnaceae
buckthorn family
Native Perennial
Evergreen
Shrub
Upper South
Upper North
Middle Park

156 Ceanothus integerrimus
Deerbrush
Rhamnaceae
buckthorn family
Native Perennial
Deciduous
Shrub
Upper South
Upper North

157 Cedrus deodara
Deodar Cedar
Pinaceae
pine family
Introduced Perennial
Evergreen
Tree

Lower Park

158 Cedrus libani var. libani
Lebanon Cedar
Pinaceae
pine family
Introduced Perennial
Evergreen
Tree

Lower Park

159 Celtis australis
Mediterranean (European) Hackberry, Nettle-Tree
Cannabaceae
hemp family
Introduced Perennial
Deciduous
Tree

Middle Park
Lower Park

160 Celtis occidentalis
Common Hackberry
Cannabaceae
hemp family
Introduced Perennial
Deciduous
Shrub

Lower Park

161 Celtis sinensis
Chinese Hackberry
Cannabaceae
hemp family
Introduced Perennial
Deciduous
Tree

Lower Park

162 Centaurea melitensis
Tocalote
Asteraceae
sunflower or composite family
Introduced Annual

Herb

Upper South
Upper North
Middle Park

163 Centaurea solstitialis
Yellow Starthistle
Asteraceae
sunflower or composite family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
164 Centaurium tenuiflorum
June Centaury
Gentianaceae
gentian family
Native Annual

Herb

Upper South
Upper North
Middle Park

165 Centromadia fitchii
Fitch’s Spikeweed
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper South

Middle Park

166 Cephalanthus occidentalis
California Button-willow
Rubiaceae
madder family
Native Perennial
Deciduous
Shrub
Upper South
Upper North
Middle Park
Lower Park
167 Cerastium fontanum ssp. vulgare
Common Mouse-eared Chickweed
Caryophyllaceae
pink family
Introduced Annual

Herb

Middle Park

168 Cerastium glomeratum
Sticky Mouse-eared Chickweed
Caryophyllaceae
pink family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
169 Cercis occidentalis
Western Redbud
Fabaceae
legume family
Native Perennial
Deciduous
Shrub
Upper South
Upper North
Middle Park
Lower Park
170 Cercocarpus betuloides var. betuloides
Birch-leaved Mountain Mahogany
Rosaceae
rose family
Native Perennial
Deciduous
Shrub
Upper South
Upper North

171 Chamaecyparis lawsoniana
Port Orford Cedar or Lawson Cypress
Cupressaceae
cypress family
Native Perennial
Evergreen
Tree

Lower Park

172 Chamaesyce glyptosperma
Rib-seeded Spurge
Euphorbiaceae
spurge family
Native Annual

Herb

Middle Park

173 Chamaesyce maculata
Spotted Spurge
Euphorbiaceae
spurge family
Introduced Annual

Herb

Upper North
Middle Park
Lower Park
174 Chamaesyce nutans
Large Spurge
Euphorbiaceae
spurge family
Introduced Annual

Herb

Middle Park

175 Chamaesyce ocellata ssp. ocellata
Valley Spurge
Euphorbiaceae
spurge family
Native Annual

Herb

Upper South
Upper North
Middle Park

176 Chamaesyce serpyllifolia ssp. serpyllifolia
Thyme-leaved Spurge
Euphorbiaceae
spurge family
Native Annual

Herb

Upper North
Middle Park

177 Cheilanthes intertexta
Coastal Lip Fern
Pteridaceae
brake family
Native Perennial

Herb

Upper North

178 Chenopodium album
Lamb’s Quarters
Chenopodiaceae
goosefoot family
Introduced Annual

Herb

Middle Park
Lower Park

179 Chenopodium strictum var. glaucophyllum
Glaucus-leaved Goosefoot
Chenopodiaceae
goosefoot family
Introduced Annual

Herb

Lower Park

180 Chloris virgata
Silky Chloris
Poaceae
grass family
Introduced Annual

Herb

Middle Park

181 Chlorogalum angustifolium
Narrow-leaved Soap-plant
Agavaceae
century plant family
Native Perennial
Bulbous
Herb
Upper South

Middle Park

182 Chlorogalum pomeridianum var. pomeridianum
Wavy-leaved soap-plant
Agavaceae
century plant family
Native Perennial
Bulbous
Herb
Upper South
Upper North

Lower Park

183 Chorizanthe membranacea
Pink Spineflower
Polygonaceae
buckwheat family
Native Annual

Herb

Upper North

184 Chorizanthe polygonoides var. polygonoides
Knotweed Spineflower
Polygonaceae
buckwheat family
Native Annual

Herb

Upper South

185 Chorizanthe stellulata
Starlet Spineflower
Polygonaceae
buckwheat family
Native Annual

Herb

Upper South
Upper North
Middle Park

186 Cicendia quadrangularis
Timwort
Gentianaceae
gentian family
Native Annual

Herb

Upper South
Upper North
Middle Park

187 Cichorium intybus
Chicory
Asteraceae
sunflower or composite family
Introduced Perennial

Herb

Upper South
Upper North
Middle Park
Lower Park
188 Cinnamomum camphora
Camphor
Lauraceae
laurel family
Introduced Perennial
Evergreen
Tree

Lower Park

189 Cirsium arvense
Canada Thistle
Asteraceae
sunflower or composite family
Introduced Perennial

Herb

190 Cirsium occidentale var. venustum
Venus Thistle
Asteraceae
sunflower or composite family
Native Biennial

Herb

Upper South
Upper North

191 Cirsium vulgare
Bull Thistle
Asteraceae
sunflower or composite family
Introduced Biennial

Herb

Upper South
Upper North

Lower Park

192 Citrullus lanatus var. citroides
Watermelon
Cucurbitaceae
gourd family
Introduced Annual

Herb

Middle Park

193 Clarkia arcuata
Kellogg’s Clarkia
Onagraceae
evening-primrose family
Native Annual

Herb

Upper South
Upper North

194 Clarkia gracilis ssp. albicaulis
White-stemmed Clarkia
Onagraceae
evening-primrose family
Native Annual

Herb

Upper South

195 Clarkia purpurea ssp. quadrivulnera
Purple Clarkia
Onagraceae
evening-primrose family
Native Annual

Herb

Upper South
Upper North
Middle Park

196 Clarkia rhomboidea
Diamond Clarkia
Onagraceae
evening-primrose family
Native Annual

Herb

Upper South
Upper North
Middle Park

197 Clarkia unguiculata
Elegant Clarkia
Onagraceae
evening-primrose family
Native Annual

Herb

Upper North
Middle Park

198 Claytonia parviflora ssp. parviflora
Small-flowered Miner’s-lettuce
Portulacaceae
purslane family
Native Annual

Herb

Upper South
Upper North
Middle Park

199 Claytonia perfoliata ssp. perfoliata
Common Miner’s-lettuce
Portulacaceae
purslane family
Native Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
200 Claytonia rubra ssp. rubra
Red-stemmed Miner’s-lettuce
Portulacaceae
purslane family
Native Annual

Herb

Upper North

201 Clematis lasiantha
Chaparral Clematis
Ranunculaceae
buttercup family
Native Perennial

Vine

Upper South
Upper North

202 Clematis ligusticifolia
Virgin’s-bower
Ranunculaceae
buttercup family
Native Perennial

Vine

Upper South
Upper North
Middle Park

203 Collinsia heterophylla
Chinese-houses
Plantaginaceae
plantain family
Native Annual

Herb

Upper South
Upper North
Middle Park

204 Collinsia sparsiflora var. collina
Foothill Collinsia
Plantaginaceae
plantain family
Native Annual

Herb

Upper South
Upper North

205 Collinsia tinctoria
Sticky Chinese-houses
Plantaginaceae
plantain family
Native Annual

Herb

Upper South
Upper North

206 Collomia heterophylla
Variable-leaved Collomia
Polemoniaceae
phlox family
Native Annual

Herb

Upper North

207 Collomia tinctoria
Yellow-staining Collomia
Polemoniaceae
phlox family
Native Annual

Herb

Upper South

208 Colutea arborescens
Bladder Senna
Fabaceae
legume family
Introduced Perennial
Deciduous
Shrub

Middle Park
Lower Park

209 Comandra umbellata ssp. californica
Bastard-toadflax
Comandraceae
bastard toadflax family
Native Perennial

Shrub

Upper South
Upper North

210 Convolvulus arvensis
Bindweed
Convolvulaceae
morning-glory family
Introduced Perennial

Herb

Upper South
Upper North

Lower Park

211 Cordylanthus pilosus ssp. hansenii
Hansen’s Bird’s-beak
Orobanchaceae
broom-rape family
Native Annual

Herb

Upper South
Upper North

212 Cornus florida
Flowering Dogwood
Cornaceae
dogwood family
Introduced Perennial
Deciduous
Shrub/
Tree
Upper North

213 Cornus glabrata
Brown Dogwood
Cornaceae
dogwood family
Native Perennial
Deciduous
Shrub/
Tree
Upper South
Upper North

214 Cornus sessilis
Black-fruited Dogwood
Cornaceae
dogwood family
Native Perennial
Deciduous
Shrub/
Tree
Upper North

215 Cortaderia selloana
Pampas Grass
Poaceae
grass family
Introduced Perennial

Herb

Middle Park
Lower Park

216 Cotoneaster lacteus
Milkflower Cotoneaster
Rosaceae
rose family
Introduced Perennial
Evergreen
Shrub
Upper South

217 Cotoneaster pannosus
Silverleaf Cotoneaster
Rosaceae
rose family
Introduced Perennial
Evergreen
Shrub
Upper South

Lower Park

218 Crassula aquatica
Water Pygmyweed
Crassulaceae
stonecrop family
Native Annual

Herb

Upper South

Middle Park

219 Crassula connata
Pygmyweed
Crassulaceae
stonecrop family
Native Annual

Herb

Upper South
Upper North
Middle Park

220 Crassula tillaea
Mossy Pigmyweed
Crassulaceae
stonecrop family
Introduced Annual

Herb

Upper North

221 Crataegus laevigata
Smooth Hawthorn
Rosaceae
rose family
Introduced Perennial
Evergreen
Shrub/
Tree
Upper South
Upper North
Middle Park
Lower Park
222 Croton setigerus
Turkey-mullein
Euphorbiaceae
spurge family
Native Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
223 Crucianella angustifolia
Crosswort
Rubiaceae
madder family
Introduced Annual

Herb

Upper South
Upper North

224 Crypsis schoenoides
Swamp Grass
Poaceae
grass family
Introduced Annual

Herb

Upper North
Middle Park

225 Crypsis vaginiflora
African Pricklegrass
Poaceae
grass family
Introduced Annual

Herb

Middle Park

226 Cryptantha flaccida
Weak-stemmed Cryptantha
Boraginaceae
borage family
Native Annual

Herb

Upper South
Upper North
Middle Park

227 Cryptantha intermedia
Common Cryptantha
Boraginaceae
borage family
Native Annual

Herb

Upper North

228 Cryptomeria japonica
Japanese Cedar
Cupressaceae
cypress family
Introduced Perennial
Evergreen
Tree

Lower Park

229 Cucumis melo
Muskmelon
Cucurbitaceae
gourd family
Introduced Annual

Herb

Upper North

230 Cupressus lusitanica
Mexican Cypress
Cupressaceae
cypress family
Introduced Perennial
Evergreen
Tree

Lower Park

231 Cupressus sempervirens
Italian Cypress
Cupressaceae
cypress family
Introduced Perennial
Evergreen
Tree

Lower Park

232 Cuscuta occidentalis
Short-flowered Dodder
Convolvulaceae
morning-glory family
Native Annual

Herb

Middle Park

233 Cuscuta pentagona
Field Dodder
Convolvulaceae
morning-glory family
Native Annual

Herb

Middle Park

234 Cynodon dactylon
Bermuda Grass
Poaceae
grass family
Introduced Perennial

Herb

Upper South

Middle Park
Lower Park

235 Cynoglossum grande
Pacific Hound’s Tongue
Boraginaceae
borage family
Native Perennial

Herb

Upper South
Upper North

236 Cynosurus echinatus
Hedgehog Dogtail
Poaceae
grass family
Introduced Annual

Herb

Upper South
Upper North

Lower Park

237 Cyperus difformis
Small-flowered Cyperus
Cyperaceae
sedge family
Introduced Annual

Herb

Middle Park

238 Cyperus eragrostis
Tall Cyperus
Cyperaceae
sedge family
Native Perennial

Herb

Upper South
Upper North
Middle Park
Lower Park
239 Cyperus erythrorhizos
Redrooted Cyperus
Cyperaceae
sedge family
Native Annual

Herb

Upper North
Middle Park

240 Cyperus esculentus
Yellow Nut-sedge
Cyperaceae
sedge family
Native Perennial

Herb

Upper North
Middle Park

241 Cyperus niger
Black Cyperus
Cyperaceae
sedge family
Native Perennial

Herb

Upper South
Upper North

242 Cyperus squarrosus
Awned Cyprerus
Cyperaceae
sedge family
Native Annual

Herb

Upper North
Middle Park

243 Cyperus strigosus
False Nutsedge
Cyperaceae
sedge family
Native Perennial

Herb

Upper South
Upper North

Lower Park

244 Cystopteris fragilis
Fragile Fern
Woodsiaceae
cliff fern family
Native Perennial

Herb

Upper South
Upper North
Middle Park

245 Dactylis glomerata
Orchardgrass
Poaceae
grass family
Introduced Perennial

Herb

Upper South
Upper North

Lower Park

246 Danthonia californica
California Oatgrass
Poaceae
grass family
Native Perennial

Herb

Upper South

247 Darmera peltata
Indian-Rhubarb
Saxifragaceae
saxifrage family
Native Perennial

Herb

Upper South
Upper North
Middle Park

248 Datura stramonium var. tatula
Jimson Weed
Solanaceae
nightshade family
Introduced Annual

Herb

249 Datura wrightii
Thorn-apple
Solanaceae
nightshade family
Native Annual/
Perennial
Herb

Middle Park

250 Daucus carota
Queen Anne’s Lace
Apiaceae
carrot or umbel family
Introduced Annual

Herb

251 Daucus pusillus
Rattlesnake-weed
Apiaceae
carrot or umbel family
Native Annual

Herb

Upper South
Upper North
Middle Park

252 Delphinium hansenii ssp. hansenii
Hansen’s Larkspur
Ranunculaceae
buttercup family
Native Perennial

Herb

Upper South
Upper North
Middle Park

253 Delphinium hesperium
Western Larkspur
Ranunculaceae
buttercup family
Native Perennial

Herb

Upper South
Upper North

254 Delphinium nudicaule
Red Larkspur
Ranunculaceae
buttercup family
Native Perennial

Herb

Upper South
Upper North

255 Delphinium patens ssp. patens
Spreading Larkspur
Ranunculaceae
buttercup family
Native Perennial

Herb

Upper North

256 Delphinium variegatum ssp. variegatum
Royal Larkspur
Ranunculaceae
buttercup family
Native Perennial

Herb

Upper South
Upper North
Middle Park

257 Deschampsia danthonioides
Annual Hairgrass
Poaceae
grass family
Native Annual

Herb

Upper South
Upper North
Middle Park

258 Deschampsia elongata
Slender Hairgrass
Poaceae
grass family
Native Perennial

Herb

Upper South
Upper North

259 Dianthus armeria ssp. armeria
Deptford Pink
Caryophyllaceae
pink family
Introduced Annual/
Biennial
Herb
Upper South

260 Dichelostemma capitatum ssp. capitatum
Blue Dicks
Themidaceae
brodiaea family
Native Perennial
Bulbous
Herb
Upper South
Upper North
Middle Park

261 Dichelostemma congestum
Fork-toothed Ookow
Themidaceae
brodiaea family
Native Perennial
Bulbous
Herb
Upper South
Upper North

262 Dichelostemma multiflorum
Round-toothed Ookow
Themidaceae
brodiaea family
Native Perennial
Bulbous
Herb
Upper South
Upper North
Middle Park

263 Dichelostemma volubile
Twining Ookow
Themidaceae
brodiaea family
Native Perennial
Bulbous
Herb
Upper South
Upper North
Middle Park

264 Digitaria ischaemum
Smooth Crabgrass
Poaceae
grass family
Introduced Annual

Herb

Upper North

265 Digitaria sanguinalis
Hairy Crabgrass
Poaceae
grass family
Introduced Annual

Herb

Middle Park

266 Diospyros kaki
Japanese Persimmon
Ebenaceae
persimmon family
Introduced Perennial
Deciduous
Tree
267 Diospyros virginiana
Common Persimmon
Ebenaceae
persimmon family
Introduced Perennial
Deciduous
Tree
Upper South

Lower Park

268 Distichlis spicata
Saltgrass
Poaceae
grass family
Native Perennial

Herb

Upper North

269 Dodecatheon clevelandii ssp. patulum
Lowland Shootingstar
Primulaceae
primrose family
Native Perennial

Herb

Upper South
Upper North
Middle Park

270 Downingia ornatissima var. exima
Solano Downingia
Campanulaceae
bellflower family
Native Annual

Herb

271 Downingia ornatissima var. ornatissima
Ornate Downingia
Campanulaceae
bellflower family
Native Annual

Herb

Middle Park

272 Draba verna
Spring Whitlow Grass
Brassicaceae
mustard family
Native Annual

Herb

Upper South
Upper North

273 Draperia systyla
Draperia
Boraginaceae
borage family
Native Perennial

Herb

Middle Park

274 Drymocallis glandulosa ssp. glandulosa
Sticky Cinquefoil
Rosaceae
rose family
Native Perennial

Herb

Upper South

Middle Park

275 Dryopteris arguta
Coastal Wood Fern
Dryopteridaceae
wood fern family
Native Perennial

Herb

Upper South
Upper North

276 Duchesnea indica var. indica
Mock Strawberry
Rosaceae
rose family
Introduced Perennial

Herb

Middle Park
Lower Park

277 Dudleya cymosa ssp. cymosa
Canyon Dudleya
Crassulaceae
stonecrop family
Native Perennial

Herb

Upper South
Upper North

278 Dysphania ambrosioides
Mexican-tea
Chenopodiaceae
goosefoot family
Introduced Annual/
Perennial
Herb

Middle Park

279 Dysphania botrys
Jerusalem-oak
Chenopodiaceae
goosefoot family
Introduced Annual

Herb

Upper South
Upper North
Middle Park

280 Dysphania pumilio
Tasmanian Goosefoot
Chenopodiaceae
goosefoot family
Introduced Annual

Herb

Middle Park

281 Echinochloa colona
Jungle-rice
Poaceae
grass family
Introduced Annual

Herb

Upper North

282 Echinochloa crus-galli
Barnyard Grass
Poaceae
grass family
Introduced Annual

Herb

Middle Park

283 Echinodorus berteroi
Burhead
Alismataceae
water-plantain family
Native Annual

Herb

Middle Park

284 Eclipta prostrata
False Daisy
Asteraceae
sunflower or composite family
Native Annual

Herb

Middle Park

285 Elatine brachysperma
Short-seeded Waterwort
Elatinaceae
waterwort family
Native Annual/
Perennial
Herb

Middle Park

286 Eleocharis acicularis var. acicularis
Needle Spike-rush
Cyperaceae
sedge family
Native Perennial

Herb

Middle Park

287 Eleocharis atropurpurea
Purple Spike-rush
Cyperaceae
sedge family
Native Perennial

Herb

Middle Park

288 Eleocharis engelmanii
Engelmann’s Spike-rush
Cyperaceae
sedge family
Native Annual

Herb

Middle Park

289 Eleocharis macrostachya
Pale Spike-rush
Cyperaceae
sedge family
Native Perennial

Herb

Upper South
Upper North
Middle Park

290 Eleocharis parishii
Parish’s Spike-rush
Cyperaceae
sedge family
Native Perennial

Herb

Upper South
Upper North
Middle Park

291 Eleocharis parvula
Little Spike-rush
Cyperaceae
sedge family
Native Perennial

Herb

Middle Park

292 Eleocharis rostellata
Beaked Spike-rush
Cyperaceae
sedge family
Native Perennial

Herb

Upper North

293 Eleusine indica
Goose Grass
Poaceae
grass family
Introduced Annual

Herb

Middle Park

294 Elymus caput-medusae
Medusa-head
Poaceae
grass family
Introduced Annual

Herb

Upper South
Upper North
Middle Park

295 Elymus elymoides ssp. californicus
Squirreltail
Poaceae
grass family
Native Perennial

Herb

Upper South

296 Elymus glaucus ssp. glaucus
Blue Wild-rye
Poaceae
grass family
Native Perennial

Herb

Upper South
Upper North
Middle Park

297 Elymus multisetus
Big Squirreltail
Poaceae
grass family
Native Perennial

Herb

Upper North

298 Elymus ponticus
Tall Wheatgrass
Poaceae
grass family
Introduced Perennial

Herb

Upper South
Upper North

299 Elymus triticoides
Alkali Ryegrass
Poaceae
grass family
Native Perennial

Herb

Upper North

300 Enemion occidentale
Western Rue-anemone
Ranunculaceae
buttercup family
Native Perennial

Herb

Upper South
Upper North

301 Epilobium brachycarpum
Tall Annual Willowherb
Onagraceae
evening-primrose family
Native Annual

Herb

Upper North
Middle Park
Lower Park
302 Epilobium canum ssp. latifolium
California-fuschia
Onagraceae
evening-primrose family
Native Perennial

Herb

Upper South
Upper North
Middle Park

303 Epilobium ciliatum ssp. ciliatum
Fringed Willowherb
Onagraceae
evening-primrose family
Native Perennial

Herb

Upper South
Upper North

304 Epilobium cleistogamum
Cleistogamous Spike-primrose
Onagraceae
evening-primrose family
Native Annual

Herb

Middle Park

305 Epilobium densiflorum
Dense-flowered Spike-primrose
Onagraceae
evening-primrose family
Native Annual

Herb

Upper South
Upper North
Middle Park

306 Epilobium minutum
Minute Willowherb
Onagraceae
evening-primrose family
Native Annual

Herb

Upper South
Upper North

307 Epilobium pallidum
Large-flowered Spike-primrose
Onagraceae
evening-primrose family
Native Annual

Herb

Upper North

308 Epilobium torreyi
Torrey’s Spike-primrose
Onagraceae
evening-primrose family
Native Annual

Herb

Upper South
Upper North

309 Epipactis gigantea
Stream Orchid
Orchidaceae
orchid family
Native Perennial

Herb

Upper South
Upper North

310 Equisetum arvense
Common Horsetail
Equisetaceae
horsetail family
Native Perennial

Herb

Upper North

311 Equisetum hyemale ssp. affine
Common Scouring-rush
Equisetaceae
horsetail family
Native Perennial

Herb

Upper North
Middle Park

312 Equisetum laevigatum
Smooth Scouring-rush
Equisetaceae
horsetail family
Native Perennial

Herb

Upper South
Upper North
Middle Park

313 Equisetum telmateia ssp. braunii
Giant Horsetail
Equisetaceae
horsetail family
Native Perennial

Herb

Upper South

314 Eragrostis cilianensis
Stinkgrass
Poaceae
grass family
Introduced Annual

Herb

Upper North

315 Eragrostis pectinacea var. pectinacea
Purple Lovegrass
Poaceae
grass family
Native Annual

Herb

Middle Park

316 Eragrostis pilosa var. pilosa
Tufted Lovegrass
Poaceae
grass family
Introduced Annual

Herb

Middle Park

317 Erigeron bonariensis
South American Horseweed
Asteraceae
sunflower or composite family
Introduced Annual

Herb

Upper North
Middle Park

318 Erigeron canadensis
Canadian Horseweed
Asteraceae
sunflower or composite family
Introduced Annual

Herb

Upper North

319 Erigeron divergens
Spreading Daisy
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper North
Middle Park

320 Erigeron inornatus var. inornatus
California Rayless Daisy
Asteraceae
sunflower or composite family
Native Perennial

Herb

321 Erigeron philadelphicus var. philadelphicus
Philadelphia Daisy
Asteraceae
sunflower or composite family
Native Biennial/
Perennial
Herb
Upper South
Upper North

322 Erigeron sumatrensis
Many-flowered Horseweed
Asteraceae
sunflower or composite family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
323 Eriobotrya deflexa
Bronze Loquat
Rosaceae
rose family
Introduced Perennial
Evergreen
Tree

Middle Park
Lower Park

324 Eriobotrya japonica
Loquat
Rosaceae
rose family
Introduced Perennial
Evergreen
Tree

Lower Park

325 Eriodictyon californicum
California Yerba-santa
Boraginaceae
borage family
Native Perennial
Evergreen
Shrub
Upper South
Upper North
Middle Park

326 Eriogonum nudum var. pubiflorum
Hairy-flowered Buckwheat
Polygonaceae
buckwheat family
Native Perennial

Herb

Upper South
Upper North

327 Eriogonum vimineum
Wicker Buckwheat
Polygonaceae
buckwheat family
Native Annual

Herb

Middle Park

328 Eriophyllum lanatum var. grandiflorum
Large-flowered Woolly-sunflower
Asteraceae
sunflower or composite family
Native Perennial

Herb

Upper South
Upper North
Middle Park

329 Erobotrya deflexa
Coppertone Loquat
Rosaceae
rose family
Introduced Perennial
Evergreen
Tree
Upper South

Lower Park

330 Erodium botrys
Long-beaked Stork’s-bill
Geraniaceae
geranium family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
331 Erodium brachycarpum
Short-fruited Stork’s-bill
Geraniaceae
geranium family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
332 Erodium cicutarium
Red-stemmed Filaree
Geraniaceae
geranium family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
333 Erodium moschatum
White-stemmed Filaree
Geraniaceae
geranium family
Introduced Annual

Herb

Middle Park
Lower Park

334 Eryngium castrense
Coyote-thistle
Apiaceae
carrot or umbel family
Native Annual

Herb

Middle Park

335 Erythronium multiscapoideum
Sierra Fawn-lily
Liliaceae
lily family
Native Perennial
Bulbous
Herb
Upper South
Upper North
Middle Park

336 Eschscholzia caespitosa
Foothill Poppy
Papaveraceae
poppy family
Native Annual

Herb

Upper North
Middle Park

337 Eschscholzia californica
California Poppy
Papaveraceae
poppy family
Native Annual/
Perennial
Herb
Upper South
Upper North
Middle Park
Lower Park
338 Eschscholzia lobbii
Fryingpans
Papaveraceae
poppy family
Native Annual

Herb

Upper South
Upper North
Middle Park

339 Eucalyptus amygdalina
Peppermint Gum
Myrtaceae
myrtle family
Introduced Perennial
Evergreen
Tree

Lower Park

340 Eucalyptus botryoides
Bastary Mahogany
Myrtaceae
myrtle family
Introduced Perennial
Evergreen
Tree

Lower Park

341 Eucalyptus camaldulensis
Red Gum
Myrtaceae
myrtle family
Introduced Perennial
Evergreen
Tree

Lower Park

342 Eucalyptus globulus
Blue Gum
Myrtaceae
myrtle family
Introduced Perennial
Evergreen
Tree

Lower Park

343 Euphorbia peplus
Petty Spurge
Euphorbiaceae
spurge family
Introduced Annual

Herb

Upper North
Middle Park
Lower Park
344 Euphorbia spathulata
Warty Spurge
Euphorbiaceae
spurge family
Introduced Annual

Herb

Upper South
Upper North
Middle Park

345 Euthamia occidentalis
Western Goldenrod
Asteraceae
sunflower or composite family
Native Perennial

Herb

Upper North
Middle Park

346 Festuca arundinacea
Tall Fescue
Poaceae
grass family
Introduced Perennial

Herb

Upper South
Upper North
Middle Park
Lower Park
347 Festuca bromoides
Brome Fescue
Poaceae
grass family
Introduced Annual

Herb

Upper North

Lower Park

348 Festuca microstachys
Small Fescue
Poaceae
grass family
Native Annual

Herb

Upper South
Upper North
Middle Park

349 Festuca myuros
Rattail Sixweeks Grass
Poaceae
grass family
Introduced Annual

Herb

Upper South

Middle Park
Lower Park

350 Festuca perennis
Annual Ryegrass
Poaceae
grass family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
351 Ficus carica
Edible Fig
Moraceae
mulberry family
Introduced Perennial
Deciduous
Tree
Upper South
Upper North
Middle Park
Lower Park
352 Frangula californica ssp. tomentella
Hoary Coffeeberry
Rhamnaceae
buckthorn family
Native Perennial
Evergreen
Shrub
Upper South
Upper North
Middle Park
Lower Park
353 Fraxinus americana
White Ash
Oleaceae
olive family
Introduced Perennial
Deciduous
Tree

Lower Park

354 Fraxinus dipetala
California Ash
Oleaceae
olive family
Native Perennial
Deciduous
Tree
Upper South

Lower Park

355 Fraxinus excelsior
European Ash
Oleaceae
olive family
Introduced Perennial
Deciduous
Tree

Lower Park

356 Fraxinus latifolia
Oregon Ash
Oleaceae
olive family
Native Perennial
Deciduous
Tree
Upper South
Upper North
Middle Park
Lower Park
357 Fraxinus velutina
Arizona Ash
Oleaceae
olive family
Introduced Perennial
Deciduous
Tree

Lower Park

358 Fritillaria affinis
Checkered Fritillary
Liliaceae
lily family
Native Perennial
Bulbous
Herb
Upper South
Upper North
Middle Park

359 Fritillaria recurva
Scarlet Fritillary
Liliaceae
lily family
Native Perennial
Bulbous
Herb
Upper North

360 Galium aparine
Cleavers
Rubiaceae
madder family
Native Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
361 Galium bolanderi
Bolander’s Bedstraw
Rubiaceae
madder family
Native Perennial

Herb

Upper South
Upper North
Middle Park

362 Galium divaricatum
Lamarck’s Bedstraw
Rubiaceae
madder family
Introduced Annual

Herb

Middle Park

363 Galium mexicanum ssp. asperulum
Tall Rough Bedstraw
Rubiaceae
madder family
Native Perennial

Herb

Lower Park

364 Galium parisiense
Wall Bedstraw
Rubiaceae
madder family
Introduced Annual

Herb

Upper South
Upper North

Lower Park

365 Galium porrigens var. tenue
Narrow-leaved Climbing Bedstraw
Rubiaceae
madder family
Native Perennial

Herb

Upper South

Middle Park

366 Galium triflorum
Sweet-scented Bedstraw
Rubiaceae
madder family
Native Perennial

Herb

Middle Park

367 Gamochaeta ustulata
Purple Cudweed
Asteraceae
sunflower or composite family
Native Annual

Herb

Middle Park

368 Garrya fremontii
Fremont’s Silk Tassel
Garryaceae
silktassel family
Native Perennial
Evergreen
Shrub
Upper South

Middle Park

369 Gastridium phleoides
Nitgrass
Poaceae
grass family
Introduced Annual

Herb

Upper South
Upper North
Middle Park

370 Genista monspessulana
French-broom
Fabaceae
legume family
Introduced Perennial
Deciduous
Shrub

Middle Park

371 Geranium carolinianum
Carolina Geranium
Geraniaceae
geranium family
Native Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
372 Geranium dissectum
Cut-leaved Geranium
Geraniaceae
geranium family
Introduced Annual

Herb

Upper South
Upper North

Lower Park

373 Geranium molle
Dove’s-foot Geranium
Geraniaceae
geranium family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
374 Gilia capitata ssp. pedemontana
Foothill Globe Gilia
Polemoniaceae
phlox family
Native Annual

Herb

Upper South
Upper North
Middle Park

375 Gilia tricolor ssp. tricolor
Bird’s-eye Gilea
Polemoniaceae
phlox family
Native Annual

Herb

Upper South
Upper North
Middle Park

376 Githopsis pulchella ssp. campestris
Large-flowered Bluecup
Campanulaceae
bellflower family
Native Annual

Herb

Upper South
Upper North

377 Githopsis specularioides
Common Bluecup
Campanulaceae
bellflower family
Native Annual

Herb

Upper South
Upper North

378 Gleditsia triacanthos
Honey-locust
Fabaceae
legume family
Introduced Perennial
Deciduous
Tree

Middle Park
Lower Park

379 Glycyrrhiza lepidota
American Licorice
Fabaceae
legume family
Native Perennial

Herb

Upper South
Upper North

380 Gnaphalium palustre
Western Cudweed
Asteraceae
sunflower or composite family
Native Annual

Herb

Middle Park

381 Gratiola ebracteata
Bractless Hedge-hyssop
Plantaginaceae
plantain family
Native Annual

Herb

Middle Park

382 Grindelia camporum
Valley Gumplant
Asteraceae
sunflower or composite family
Native Perennial

Herb

Upper South
Upper North

383 Grindelia hirsutula
Foothill Gumplant
Asteraceae
sunflower or composite family
Native Perennial

Herb

Upper South
Upper North

384 Gymnocladus dioica
Kentucky Coffee Tree
Fabaceae
legume family
Introduced Perennial
Deciduous
Tree

Lower Park

385 Hedera canariensis
Algerian Ivy
Araliaceae
ginseng family
Introduced Perennial

Vine

Middle Park
Lower Park

386 Hedera helix
English Ivy
Araliaceae
ginseng family
Introduced Perennial

Vine

Upper South

Middle Park
Lower Park

387 Hedypnois cretica
Hedypnois
Asteraceae
sunflower or composite family
Introduced Annual

Herb

Upper North

388 Helenium puberulum
Rosilla
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper South
Upper North

389 Helianthella californica var. nevadensis
Sierra Nevada Helianthella
Asteraceae
sunflower or composite family
Native Perennial

Herb

390 Helianthus annuus
Common Sunflower
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper North

391 Helianthus bolanderi
Bolander’s Sunflower
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper South
Upper North

392 Heliotropium europaeum
European Heliotrope
Boraginaceae
borage family
Introduced Annual

Herb

Middle Park

393 Hemizonia congesta ssp. luzulifolia
Hayfield Tarweed
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper North

394 Hesperevax acaulis var. acaulis
Dwarf Evax
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper North

395 Hesperevax acaulis var. robustior
Robust Evax
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper South

396 Hesperocnide tenella
Western Nettle
Urticaceae
nettle family
Native Annual

Herb

Upper North

397 Hesperocyparis mcnabiana
McNab Cypress
Cupressaceae
cypress family
Introduced Perennial
Evergreen
Tree

Lower Park

398 Heterocodon rariflorum
Heterocodon
Campanulaceae
bellflower family
Native Annual

Herb

Upper South

Middle Park

399 Heteromeles arbutifolia
Toyon
Rosaceae
rose family
Native Perennial
Evergreen
Shrub
Upper South
Upper North
Middle Park
Lower Park
400 Heterotheca grandiflora
Telegraph-weed
Asteraceae
sunflower or composite family
Native Annual/
Biennial
Herb

Middle Park

401 Heterotheca oregona var. compacta
Oregon Golden-aster
Asteraceae
sunflower or composite family
Native Perennial

Herb

Upper North
Middle Park

402 Heuchera micrantha
Crevice Alumroot
Saxifragaceae
saxifrage family
Native Perennial

Herb

Upper South

Middle Park

403 Hibiscus lasiocarpus var. occidentalis
Woolly Rose-mallow or California Hibiscus
Malvaceae
mallow family
Native Perennial
Rhizomaceous
Herb
Upper North

404 Hirschfeldia incana
Mediterranean Hoary-mustard
Brassicaceae
mustard family
Introduced Biennial/
Perennial
Herb
Upper South

Middle Park
Lower Park

405 Hoita macrostachya
Large Leather-root
Fabaceae
legume family
Native Perennial

Herb

Upper North

406 Holcus lanatus
Common Velvetgrass
Poaceae
grass family
Introduced Perennial

Herb

Upper South
Upper North

407 Holocarpha virgata ssp. virgata
Wand Tarweed
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper North

408 Hordeum arizonicum
Arizona Barley
Poaceae
grass family
Native Annual

Herb

Middle Park

409 Hordeum brachyantherum ssp. brachyantherum
Meadow Barley
Poaceae
grass family
Native Perennial

Herb

Upper South

410 Hordeum marinum ssp. gussoneanum
Mediterranean Barley
Poaceae
grass family
Introduced Annual

Herb

Upper South
Upper North
Middle Park

411 Hordeum murinum ssp. glaucum
Glaucous Wall Barley
Poaceae
grass family
Introduced Annual

Herb

Middle Park
Lower Park

412 Hordeum murinum ssp. leporinum
Hare Wall Barley
Poaceae
grass family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
413 Hordeum vulgare
Common Barley
Poaceae
grass family
Introduced Annual

Herb

Middle Park

414 Hosackia oblongifolius var. oblongifolius
Streambank Lotus
Fabaceae
legume family
Native Perennial

Herb

Upper North
Middle Park

415 Hydrangia sp.
Hydrangea
Hydrangeaceae
hydrangea family
Introduced Perennial
Deciduous
Shrub

Lower Park

416 Hydrocotyle verticillata
Whorled Marsh-pennywort
Araliaceae
ginseng family
Native Perennial

Herb

Upper North

417 Hydrophyllum occidentale
California Waterleaf
Boraginaceae
borage family
Native Perennial

Herb

418 Hypericum anagalloides
Tinker’s-penny
Hypericaceae
St. John’s-wort family
Introduced Annual/
Perennial
Herb
Upper South
Upper North
Middle Park
Lower Park
419 Hypericum perforatum
Klamathweed
Hypericaceae
St. John’s-wort family
Introduced Perennial

Herb

Upper South
Upper North
Middle Park
Lower Park
420 Hypochaeris glabra
Smooth Cat’s-ear
Asteraceae
sunflower or composite family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
421 Ipheion uniflorum
Starflower
Alliaceae
onion family (treated in lily family)
Introduced Perennial
Bulbous
Herb

Middle Park

422 Ipomoea purpurea
Common Morning-glory
Convolvulaceae
morning-glory family
Introduced Annual

Herb

Upper North

423 Iris macrosiphon
Long-tubed Iris
Iridaceae
iris family
Native Perennial
Rhizomaceous
Herb
Upper South
Upper North

424 Isoetes nuttallii
Nuttall’s Quillwort
Isoetaceae
quillwort family
Native Perennial

Herb

Upper South
Upper North

425 Isoetes orcuttii
Orcutt’s Quillwort
Isoetaceae
quillwort family
Native Perennial

Herb

Upper North

426 Jasminum mesnyi
Primose Jasmine
Oleaceae
olive family
Introduced Perennial

Shrub

Lower Park

427 Juglans hindsii
Northern California Black Walnut
Juglandaceae
walnut family
Native Perennial
Deciduous
Tree
Upper South
Upper North
Middle Park
Lower Park
428 Juglans regia
English Walnut
Juglandaceae
walnut family
Introduced Perennial
Deciduous
Tree

Lower Park

429 Juncus articulatus ssp. articulatus
Jointed Rush
Juncaceae
rush family
Native Perennial
Rhizomaceous
Herb
Upper North
Middle Park

430 Juncus balticus var. ater
Baltic Rush
Juncaceae
rush family
Native Perennial

Herb

Upper South
Upper North

431 Juncus bufonius var. bufonius
Common Toad Rush
Juncaceae
rush family
Native Annual

Herb

Upper South
Upper North

Lower Park

432 Juncus bufonius var. congestus
Congested Toad Rush
Juncaceae
rush family
Introduced Annual

Herb

Upper South
Upper North

433 Juncus capitatus
Leafy-bracted Dwarf Rush
Juncaceae
rush family
Introduced Annual

Herb

Upper North

434 Juncus dubius
Mariposa Rush
Juncaceae
rush family
Native Perennial
Rhizomaceous
Herb
Upper South

435 Juncus effusus ssp. pacificus
Pacific Rush
Juncaceae
rush family
Native Perennial
Rhizomaceous
Herb
Upper South
Upper North
Middle Park
Lower Park
436 Juncus ensifolius
Sword-leaved Rush
Juncaceae
rush family
Native Perennial
Rhizomaceous
Herb

Middle Park

437 Juncus oxymeris
Pointed Rush
Juncaceae
rush family
Native Perennial
Rhizomaceous
Herb
Upper North
Middle Park

438 Juncus patens
Spreading Rush
Juncaceae
rush family
Native Perennial
Rhizomaceous
Herb
Upper South
Upper North
Middle Park
Lower Park
439 Juncus tenuis
Slender Rush
Juncaceae
rush family
Native Perennial

Herb

Upper South

440 Juncus uncialis
Inch-high Rush
Juncaceae
rush family
Native Annual

Herb

Middle Park

441 Keckiella breviflora var. glabrisepala
Gaping Keckiella
Plantaginaceae
plantain family
Native Perennial
Deciduous
Shrub
Upper South
Upper North

442 Keckiella corymbosa
Redwood Keckiella
Plantaginaceae
plantain family
Native Perennial
Deciduous
Shrub
Upper North
Middle Park

443 Keckiella lemmonii
Lemmon’s Keckiella
Plantaginaceae
plantain family
Native Perennial
Deciduous
Shrub
Upper North
Middle Park

444 Kickxia elatine
Sharp-leaved Fluellin
Plantaginaceae
plantain family
Introduced Annual

Herb

Lower Park

445 Koeleria gerardii
Annual June Grass
Poaceae
grass family
Introduced Annual

Herb

Upper South

Middle Park

446 Koelreuteria paniculata
Goldenrain tree
Sapindaceae
soapberry family
Introduced Perennial
Deciduous
Tree

Lower Park

447 Lactuca saligna
Willow-leaved Lettuce
Asteraceae
sunflower or composite family
Introduced Annual

Herb

Upper South
Upper North
Middle Park

448 Lactuca serriola
Prickly Lettuce
Asteraceae
sunflower or composite family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
449 Lagophylla glandulosa
Glandular Hareleaf
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper South
Upper North
Middle Park

450 Lagophylla ramosissima
Slender Hareleaf
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper North

451 Lamium amplexicaule
Giraffehead
Lamiaceae
mint family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
452 Lamium purpureum
Red Henbit
Lamiaceae
mint family
Introduced Annual

Herb

Lower Park

453 Landoltia punctata
Dotted Duckweed
Araceae
Arum family
Native Perennial

Herb

Upper South

454 Lasthenia californica
California Goldfields
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper South
Upper North
Middle Park

455 Lasthenia fremontii
Fremont’s Goldfields
Asteraceae
sunflower or composite family
Native Annual

Herb

Middle Park

456 Lathyrus jepsonii var. californicus
California Pea
Fabaceae
legume family
Native Perennial

Herb

Upper North
Middle Park
Lower Park
457 Lathyrus latifolius
Everlasting Pea
Fabaceae
legume family
Introduced Perennial

Herb

Upper South
Upper North
Middle Park
Lower Park
458 Lathyrus sulphureus
Snub Pea
Fabaceae
legume family
Native Perennial

Herb

Upper South
Upper North

459 Lathyrus tingitanus
Tangier Pea
Fabaceae
legume family
Introduced Annual

Herb

Upper South

Middle Park

460 Laurus nobilis
Mediterranean Bay Tree
Lauraceae
laurel family
Introduced Perennial
Evergreen
Tree

Lower Park

461 Layia fremontii
Fremont’s Tidytips
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper South

Middle Park

462 Leersia oryzoides
Rice Cutgrass
Poaceae
grass family
Native Perennial

Herb

Upper North
Middle Park

463 Lemna minuta
Least Duckweed
Araceae
Arum family
Native Perennial

Herb

Upper South
Upper North

464 Leontodon saxatillis
Long-beaked Hawkbit
Asteraceae
sunflower or composite family
Introduced Annual

Herb

Upper South

Middle Park

465 Lepechinia calycina
California Pitcher-sage
Lamiaceae
mint family
Native Perennial
Evergreen
Shrub
Upper South
Upper North
Middle Park

466 Lepidium campestre
English Pepper-grass
Brassicaceae
mustard family
Introduced Annual/
Biennial
Herb
Upper South

467 Lepidium latifolium
Perennial Pepperweed
Brassicaceae
mustard family
Introduced Perennial

Herb

Lower Park

468 Lepidium nitidum
Shiny Pepper-grass
Brassicaceae
mustard family
Native Annual

Herb

Upper South
Upper North
Middle Park

469 Lepidium strictum
Upright Pepper-grass
Brassicaceae
mustard family
Native Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
470 Leptochloa fusca ssp. fascicularis
Beaded Sprangletop
Poaceae
grass family
Native Annual

Herb

Middle Park

471 Leptosiphon bicolor
Bicolored Linanthus
Polemoniaceae
phlox family
Native Annual

Herb

Upper South
Upper North
Middle Park

472 Leptosiphon ciliatus
Whiskerbrush
Polemoniaceae
phlox family
Native Annual

Herb

Upper South
Upper North

473 Leptosiphon filipes
Wild Baby’s Breath
Polemoniaceae
phlox family
Native Annual

Herb

Upper South
Upper North
Middle Park

474 Leptosiphon parviflorus
Small Flowered Linanthus
Polemoniaceae
phlox family
Native Annual

Herb

Upper South

Middle Park

475 Lessingia nana
Dwarf Lessingia
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper North
Middle Park

476 Lessingia nemaclada
Slender-stemmed Lessingia
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper South
Upper North
Middle Park

477 Lessingia virgata
Wand Lessingia
Asteraceae
sunflower or composite family
Native Annual

Herb

Middle Park

478 Ligustrum japonicum
Japanese Privet
Oleaceae
olive family
Introduced Perennial
Evergreen
Tree

Middle Park
Lower Park

479 Ligustrum lucidum
Glossy, Common or Chinese Privet
Oleaceae
olive family
Introduced Perennial
Evergreen
Shrub/
Tree

Middle Park
Lower Park

480 Ligustrum ovalifolium
Border or California Privet
Oleaceae
olive family
Introduced Perennial
Evergreen
Tree

Middle Park
Lower Park

481 Lilium humboldtii ssp. humboldtii
Humboldt Lily
Liliaceae
lily family
Native Perennial
Bulbous
Herb
Upper South
Upper North

482 Lilium pardalinum ssp. shastense
Shasta Lily
Liliaceae
lily family
Native Perennial
Bulbous
Herb
Upper North

483 Limnanthes alba ssp. alba
White Meadowfoam
Limnanthaceae
meadowfoam family
Native Annual

Herb

Upper North
Middle Park

484 Limnanthes douglasii ssp. rosea
Rosy Meadowfoam
Limnanthaceae
meadowfoam family
Native Annual

Herb

Middle Park

485 Limosella aquatica
Water Mudwort
Scrophulariaceae
figwort family
Native Annual

Herb

Upper South

486 Linanthus dichotomus
Evening-snow
Polemoniaceae
phlox family
Native Annual

Herb

Upper North

487 Lindernia dubia
False Pimpernel
Plantaginaceae
plantain family
Native Annual

Herb

Middle Park

488 Lipocarpha aristulata
Awned Lipocarpha
Cyperaceae
sedge family
Native Annual

Herb

Middle Park

489 Liquidamber styraciflua
Sweet Gum
Hamamelidaceae
witchhazel family
Introduced Perennial
Deciduous
Tree

Lower Park

490 Liriodendron tulipifera
Tulip Tree
Magnoliaceae
magnolia family
Introduced Perennial
Evergreen
Tree

Lower Park

491 Lithophragma affine
San Francisco Woodland Star
Saxifragaceae
saxifrage family
Native Perennial

Herb

Middle Park

492 Lithophragma bolanderi
Bolander’s Woodland Star
Saxifragaceae
saxifrage family
Native Perennial

Herb

Upper South
Upper North

493 Logfia filaginoides
California Filago
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper North
Middle Park

494 Logfia gallica
Narrow-leaved Filago
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper South
Upper North

Lower Park

495 Lomatium caruifolium var. denticulatum
Foothill Lomatium
Apiaceae
carrot or umbel family
Native Perennial

Herb

Middle Park

496 Lomatium dasycarpum ssp. tomentosum
Wooly-fruited Lomatium
Apiaceae
carrot or umbel family
Native Perennial

Herb

Upper North

497 Lomatium dissectum var. multifidum
Fern-leaved Lomatium
Apiaceae
carrot or umbel family
Native Perennial

Herb

Upper South

498 Lomatium macrocarpum
Large-fruited Lomatium
Apiaceae
carrot or umbel family
Native Perennial

Herb

Upper South
Upper North
Middle Park

499 Lomatium utriculatum
Bladder Lomatium
Apiaceae
carrot or umbel family
Native Perennial

Herb

Upper South
Upper North
Middle Park

500 Lonicera interrupta
Chaparral Honeysuckle
Caprifoliaceae
honeysuckle family
Native Perennial
Evergreen
Shrub
Upper South
Upper North

501 Lonicera japonica
Japanese Honeysuckle
Caprifoliaceae
honeysuckle family
Introduced Perennial
Evergreen
Shrub

Lower Park

502 Lonicera maackii
Maack’s Honeysuckle
Caprifoliaceae
honeysuckle family
Introduced Perennial
Deciduous
Shrub

Middle Park

503 Lotus corniculatus
Bird’s-foot Trefoil
Fabaceae
legume family
Introduced Perennial

Herb

Upper South
Upper North
Middle Park

504 Ludwigia palustris
Marsh-purslane
Onagraceae
evening-primrose family
Native Perennial

Herb

Middle Park

505 Lunaria annua
Silver Dollar Plant
Brassicaceae
mustard family
Introduced Annual/
Biennial
Herb

Lower Park

506 Lupinus affinis
Fleshy Lupine
Fabaceae
legume family
Native Annual

Herb

Upper North

507 Lupinus albicaulis
Sickle-keeled Lupine
Fabaceae
legume family
Native Perennial

Herb

Lower Park

508 Lupinus albifrons var. albifrons
Silver Bush Lupine
Fabaceae
legume family
Native Perennial

Shrub

Upper South
Upper North
Middle Park

509 Lupinus bicolor
Bicolored Lupine
Fabaceae
legume family
Native Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
510 Lupinus latifolius var. columbianus
Broad-leaved Lupine
Fabaceae
legume family
Native Perennial

Herb

511 Lupinus microcarpus var. densiflorus
White-whorled Lupine
Fabaceae
legume family
Native Annual

Herb

Upper South
Upper North
Middle Park

512 Lupinus nanus
Valley Sky Lupine
Fabaceae
legume family
Native Annual

Herb

Upper South
Upper North
Middle Park

513 Lupinus pachylobus
Big-podded Lupune
Fabaceae
legume family
Native Annual

Herb

Upper South
Upper North
Middle Park

514 Luzula comosa
Sessile Wood-rush
Juncaceae
rush family
Native Perennial
Rhizomaceous
Herb
Upper South
Upper North

515 Luzula subsessilis
Sessile Wodd-rush
Juncaceae
rush family
Introduced Perennial
Rhizomaceous
Herb
Upper South

516 Lychnis coronaria
Mullein-pink
Caryophyllaceae
pink family
Introduced Biennial/
Perennial
Herb
Upper South
Upper North
Middle Park

517 Lycopersicon esculentum
Garden Tomato
Solanaceae
nightshade family
Introduced Annual

Herb

Middle Park

518 Lythrum hyssopifolium
Hyssop Loosestrife
Lythraceae
loosestrife family
Introduced Annual/
Biennial
Herb
Upper South
Upper North
Middle Park

519 Lythrum portula
Water Purselane
Lythraceae
loosestrife family
Introduced Annual

Herb

Middle Park

520 Madia citriodora
Lemmon-scented Tarweed
Asteraceae
sunflower or composite family
Native Annual

Herb

Middle Park

521 Madia elegans
Common Madia
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper South
Upper North

522 Madia exigua
Thread-stemmed Madia
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper South

523 Madia gracilis
Slender Tarweed
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper South
Upper North
Middle Park

524 Madia subspicata
Spiked Tarweed
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper South
Upper North
Middle Park

525 Magnolia ?
Magnolia
Magnoioideae
magnolia family
Introduced Perennial
Evergreen
Tree

Lower Park

526 Malva neglecta
Common Mallow
Malvaceae
mallow family
Introduced Annual/
Biennial
Herb
Upper North
Middle Park
Lower Park
527 Malva nicaeensis
Bull Mallow
Malvaceae
mallow family
Introduced Annual/
Biennial
Herb

Middle Park
Lower Park

528 Malva parviflora
Little Mallow
Malvaceae
mallow family
Introduced Annual

Herb

Middle Park

529 Marah fabacea
California Manroot
Cucurbitaceae
gourd family
Native Perennial

Herb

Upper South
Upper North

Lower Park

530 Marah watsonii
Taw Manroot
Cucurbitaceae
gourd family
Native Perennial

Herb

Upper South
Upper North

531 Marrubium vulgare
Horehound
Lamiaceae
mint family
Introduced Perennial

Herb

Upper South
Upper North
Middle Park
Lower Park
532 Marsilea vestita ssp. vestita
Hairy Pepperwort
Marsileaceae
Marsilea family
Native Perennial

Herb

Middle Park

533 Matricaria discoidea
Common Pineapple-weed
Asteraceae
sunflower or composite family
Introduced Annual

Herb

Upper South
Upper North

Lower Park

534 Meconella californica
California Meconella
Papaveraceae
poppy family
Native Annual

Herb

Upper South
Upper North

535 Medicago arabica
Bur Clover, Spotted Burclover
Fabaceae
legume family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
536 Medicago lupulina
Black Medick
Fabaceae
legume family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
537 Medicago polymorpha
California or Common Bur-clover
Fabaceae
legume family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
538 Medicago praecox
Mediterranean Bur-clover
Fabaceae
legume family
Introduced Annual

Herb

Upper South

539 Melica californica
California Melic
Poaceae
grass family
Native Perennial

Herb

Upper South
Upper North
Middle Park

540 Melica torreyana
Torrey’s Melic
Poaceae
grass family
Native Perennial

Herb

Upper South
Upper North

Lower Park

541 Melilotus albus
White Sweet-clover
Fabaceae
legume family
Introduced Annual/
Biennial
Herb
Upper South
Upper North
Middle Park
Lower Park
542 Melilotus indicus
Indian Sweet-clover
Fabaceae
legume family
Introduced Annual

Herb

Upper North
Middle Park

543 Melissa officinalis
Bee or Lemmon Balm
Lamiaceae
mint family
Introduced Perennial

Herb

Upper South
Upper North
Middle Park
Lower Park
544 Mentha arvensis
Field or American Wild Mint
Lamiaceae
mint family
Introduced Perennial

Herb

Upper South
Upper North
Middle Park

545 Mentha pulegium
Pennyroyal
Lamiaceae
mint family
Introduced Perennial

Herb

546 Mentha spicata
Spearmint
Lamiaceae
mint family
Introduced Perennial

Herb

Upper North
Middle Park

547 Mentzelia laevicaulis
Giant Blazingstar
Loasaceae
Loasa family
Native Perennial

Herb

Middle Park

548 Micranthes californica
California Saxifrage
Saxifragaceae
saxifrage family
Native Perennial

Herb

Upper North
Middle Park

549 Micranthes fallax
Greene’s Saxifrage
Saxifragaceae
saxifrage family
Native Perennial

Herb

Upper North
Middle Park

550 Micranthes integrifolia
Hooker’s Saxifrage
Saxifragaceae
saxifrage family
Native Perennial

Herb

Upper South
Upper North
Middle Park

551 Micranthes nidifica
Peak Saxifrage
Saxifragaceae
saxifrage family
Native Perennial

Herb

Upper North
Middle Park

552 Micropus californicus var. californicus
Slender Cottonweed
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper South
Upper North
Middle Park

553 Microseris acuminata
Sierra Foothill Microseris
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper South
Upper North

554 Microseris douglasii ssp. douglasii
Douglas’ Microseris
Asteraceae
sunflower or composite family
Native Annual

Herb

Middle Park

555 Microseris lindleyi
Lindley’s Microseris
Asteraceae
sunflower or composite family
Native Annual

Herb

556 Microsteris gracilis
Slender Phlox
Polemoniaceae
phlox family
Native Annual

Herb

Upper South
Upper North

557 Mimulus aurantiacus ssp. aurantiacus
Bush Monkey-flower
Phrymaceae
lopseed family
Native Perennial

Shrub

Upper South
Upper North

558 Mimulus bicolor
Yellow-and-White Monkey-flower
Phrymaceae
lopseed family
Native Annual

Herb

Upper North
Middle Park

559 Mimulus cardinalis
Scarlet Monkey-flower
Phrymaceae
lopseed family
Native Perennial

Herb

Upper South
Upper North
Middle Park

560 Mimulus douglasii
Purple Mouse-ears
Phrymaceae
lopseed family
Native Annual

Herb

Upper North
Middle Park

561 Mimulus floribundus
Floriferous Monkey-flower
Phrymaceae
lopseed family
Native Annual

Herb

Upper North

562 Mimulus glaucescens
Shield-bracted Monkey-flower
Phrymaceae
lopseed family
Native Annual

Herb

Upper South
Upper North
Middle Park

563 Mimulus guttatus
Seep Monkey-flower
Phrymaceae
lopseed family
Native Annual/
Perennial
Herb
Upper South
Upper North
Middle Park

564 Mimulus kelloggii
Kellogg’s Monkey-flower
Phrymaceae
lopseed family
Native Annual

Herb

Upper South
Upper North

565 Mimulus layneae
Layne’s Monkey-flower
Phrymaceae
lopseed family
Native Annual

Herb

Middle Park

566 Mimulus moschatus
Musk Monkey-flower
Phrymaceae
lopseed family
Native Annual

Herb

Upper South
Upper North
Middle Park

567 Mimulus primuloides ssp. primuloides
Primrose Monkey-flower
Phrymaceae
lopseed family
Native Annual

Herb

Middle Park

568 Mimulus pulsiferae
Candelabrum Monkey-flower
Phrymaceae
lopseed family
Native Annual

Herb

Middle Park

569 Mimulus torreyi
Torrey’s Monkey-flower
Phrymaceae
lopseed family
Native Annual

Herb

Upper North
Middle Park

570 Mimulus tricolor
Tricolored Monkey-flower
Phrymaceae
lopseed family
Native Annual

Herb

Middle Park

571 Minuartia californica
California Sandwort
Caryophyllaceae
pink family
Native Annual

Herb

Upper South
Upper North
Middle Park

572 Minuartia cismontana
Cismontane Minuartia
Caryophyllaceae
pink family
Native Annual

Herb

Upper South

573 Minuartia douglasii
Douglas Sandwort
Caryophyllaceae
pink family
Native Annual

Herb

Upper South
Upper North
Middle Park

574 Mollugo verticillata
Indian-chickweed
Molluginaceae
carpetweed family
Introduced Annual

Herb

Middle Park

575 Monardella breweri ssp. lanceolata
Mustang-mint
Lamiaceae
mint family
Native Annual

Herb

Middle Park

576 Monardella sheltonii
Shelton’s Coyote-mint
Lamiaceae
mint family
Native Perennial

Herb

Upper South
Upper North

577 Montia fontana
Water Montia
Portulacaceae
purslane family
Native Annual

Herb

Upper South
Upper North

578 Montia parvifolia
Small-leaved Montia
Portulacaceae
purslane family
Native Annual

Herb

Upper South
Upper North

579 Morus alba
White Mulberry
Moraceae
mulberry family
Introduced Perennial
Deciduous
Tree
Upper North
Middle Park
Lower Park
580 Muhlenbergia filiformis
Pullup Muhly
Poaceae
grass family
Native Annual

Herb

Upper South
Upper North
Middle Park

581 Muhlenbergia mexicana
Mexican Muhly
Poaceae
grass family
Native Perennial

Herb

Upper South

Middle Park

582 Muhlenbergia rigens
Deergrass
Poaceae
grass family
Native Perennial

Herb

Upper South
Upper North
Middle Park
Lower Park
583 Myosotis discolor
Yellow Scorpion-grass
Boraginaceae
borage family
Introduced Annual

Herb

Upper South

584 Myosurus minimus
Common Mousetail
Ranunculaceae
buttercup family
Native Annual

Herb

Middle Park

585 Myrtus communis
Common Myrtle
Myrtaceae
myrtle family
Introduced Perennial
Evergreen
Shrub/
Tree

Lower Park

586 Najas gracillima
Thread-leaved Water Nymph
Hydrocharitaceae
waterweed family
Introduced Annual

Herb

Middle Park

587 Narcissus incomparabilis
Fortune Daffodil
Amaryllidaceae
Amaryllis family (treated in lily family)
Introduced Perennial
Rhizomaceous
Herb
Upper North

588 Narcissus pseudonarcissus
King Alfred Daffodil
Amaryllidaceae
Amaryllis family (treated in lily family)
Introduced Perennial
Rhizomaceous
Herb
Upper North
Middle Park

589 Nasturtium officinale
Watercress
Brassicaceae
mustard family
Native Perennial

Herb

Upper South
Upper North
Middle Park

590 Navarretia divaricata ssp. vividior
Spreading Navarretia
Polemoniaceae
phlox family
Native Annual

Herb

Upper North

591 Navarretia filicaulis
Thread-stemmed Navarretia
Polemoniaceae
phlox family
Native Annual

Herb

Upper South
Upper North
Middle Park

592 Navarretia heterandra
Tehama Navarretia
Polemoniaceae
phlox family
Native Annual

Herb

Middle Park

593 Navarretia intertexta ssp. intertexta
Needle-leaved Navarretia
Polemoniaceae
phlox family
Native Annual

Herb

Upper South

Middle Park

594 Navarretia leptalea ssp. leptalea
Bridges Gilea
Polemoniaceae
phlox family
Native Annual

Herb

Middle Park

595 Navarretia leucocephala ssp. leucocephala
White-flowered Navarretia
Polemoniaceae
phlox family
Native Annual

Herb

Middle Park

596 Navarretia prolifera ssp. prolifera
Bur Navarretia
Polemoniaceae
phlox family
Native Annual

Herb

Upper North

597 Navarretia pubescens
Downy Navarretia
Polemoniaceae
phlox family
Native Annual

Herb

Upper South
Upper North
Middle Park

598 Navarretia tagetina
Marigold Navarretia
Polemoniaceae
phlox family
Native Annual

Herb

Upper South
Upper North
Middle Park

599 Navarretia viscidula
Sticky Navarretia
Polemoniaceae
phlox family
Native Annual

Herb

Upper North
Middle Park

600 Nemophila heterophylla
Variable-leaved Nemophila
Boraginaceae
borage family
Native Annual

Herb

Upper South
Upper North

Lower Park

601 Nemophila menziesii ssp. menziesii
Baby-blue-eyes
Boraginaceae
borage family
Native Annual

Herb

Upper North

602 Nemophila pedunculata
Meadow Nemophila
Boraginaceae
borage family
Native Annual

Herb

Upper South
Upper North
Middle Park

603 Nicotiana quadrivalvis
Indian Tobacco
Solanaceae
nightshade family
Native Annual

Herb

Middle Park

604 Notholithocarpus densiflorus
Common Tan-oak
Fagaceae
oak family
Native Perennial
Evergreen
Tree

Lower Park

605 Nymphaea odorata
American White Water-lily
Nymphaeaceae
water-lily family
Introduced Perennial

Herb

Middle Park

606 Odontostomum hartwegii
Hartweg’s Odontostomum
Tecophilaeaceae
Tecophilaea family
Native Perennial
Bulbous
Herb
Upper South
Upper North
Middle Park

607 Oemieria cerasiformia
Oso-berry
Rosaceae
rose family
Native Perennial
Deciduous
Shrub
Upper South

608 Olea europaea
Olive
Oleaceae
olive family
Introduced Perennial
Evergreen
Tree
Upper South
Upper North
Middle Park
Lower Park
609 Orobanche fasciculata
Clustered Broom-rape
Orobanchaceae
broom-rape family
Native Annual
Parasitic
Herb
Upper South

610 Orobanche uniflora
Naked Broom-rape
Orobanchaceae
broom-rape family
Native Annual
Parasitic
Herb
Upper North
Middle Park

611 Orobanche vallicola
Valley Broom-rape
Orobanchaceae
broom-rape family
Native Annual
Parasitic
Herb
Upper North
Middle Park

612 Osmorhiza berteroi
Mountain Sweet-cicely
Apiaceae
carrot or umbel family
Native Perennial

Herb

Upper South
Upper North

613 Oxalis corniculata
Creeping Wood-sorrel
Oxalidaceae
wood-sorrel family
Introduced Perennial

Herb

Middle Park
Lower Park

614 Oxalis pes-caprae
Bermuda-buttercup
Oxalidaceae
wood-sorrel family
Introduced Perennial

Herb

Lower Park

615 Panicum acuminatum
Western Panicgrass
Poaceae
grass family
Native Perennial

Herb

Upper South
Upper North

616 Panicum capillare
Witchgrass
Poaceae
grass family
Native Annual

Herb

Upper North
Middle Park

617 Panicum dichotomiflorum ssp. dichotomiflorum
Smooth Witchgrass
Poaceae
grass family
Introduced Annual

Herb

Middle Park

618 Parthenocissus quinquefolia
Virginia Creeper
Vitaceae
grape family
Introduced Perennial

Vine

Lower Park

619 Paspalum dilatatum
Dallisgrass
Poaceae
grass family
Introduced Perennial

Herb

Upper South
Upper North
Middle Park
Lower Park
620 Paspalum distichum
Knotgrass
Poaceae
grass family
Native Perennial

Herb

Middle Park

621 Paulownia tomentosa
Empress Tree
Scrophulariaceae
figwort family
Introduced Perennial
Deciduous
Tree

Lower Park

622 Pectocarya pusilla
Little Pectocarya
Boraginaceae
borage family
Native Annual

Herb

Upper South

623 Pellaea andromedifolia
Coffee Fern
Pteridaceae
brake family
Native Perennial

Herb

Upper South
Upper North

624 Pellaea mucronata var. mucronata
Common Birds-foot Fern
Pteridaceae
brake family
Native Perennial

Herb

Upper South
Upper North

625 Penstemon heterophyllus var. purdyi
Purdy’s Beardtongue
Plantaginaceae
plantain family
Native Perennial

Herb

Upper South

Middle Park

626 Pentagramma pallida
White-backed Fern
Pteridaceae
brake family
Native Perennial

Herb

Upper South
Upper North

627 Pentagramma triangularis ssp. triangularis
Gold-backed Fern
Pteridaceae
brake family
Native Perennial

Herb

Upper South
Upper North

628 Perideridia kelloggii
Kellogg’s Yampah
Apiaceae
carrot or umbel family
Native Perennial

Herb

Upper South
Upper North

629 Perideridia oregana
Oregon Yampah
Apiaceae
carrot or umbel family
Native Perennial

Herb

Upper South
Upper North

630 Persicaria lapathifolium
Willow-weed
Polygonaceae
buckwheat family
Native Annual

Herb

Middle Park

631 Persicaria maculosa
Lady’s Thumb
Polygonaceae
buckwheat family
Introduced Annual

Herb

Middle Park

632 Persicaria punctatum
Dotted Smartweed
Polygonaceae
buckwheat family
Native Annual/
Perennial
Herb
Upper South
Upper North
Middle Park

633 Petrorhagia dubia
Grass Pink
Caryophyllaceae
pink family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
634 Phacelia cicutaria var. cicutaria
Caterpillar Phacelia
Boraginaceae
borage family
Native Annual

Herb

Upper North

635 Phacelia egena
Rock Phacelia
Boraginaceae
borage family
Native Perennial

Herb

Upper South
Upper North

636 Phacelia heterophylla ssp. virgata
Virgate Phacelia
Boraginaceae
borage family
Native Biennial

Herb

Upper North

637 Phacelia imbricata ssp. imbricata
Imbricate Phacelia
Boraginaceae
borage family
Native Perennial

Herb

Upper North

638 Phacelia ramosissima
Branched Phacelia
Boraginaceae
borage family
Native Perennial

Herb

Middle Park

639 Phacelia tanacetifolia
Tansy Phacelia
Boraginaceae
borage family
Native Annual

Herb

Upper North

640 Phalaris paradoxa
Paradox Canarygrass
Poaceae
grass family
Introduced Annual

Herb

Upper South
Upper North
Middle Park

641 Philadelphus lewisii
Mock Orange
Hydrangeaceae
hydrangea family
Native Perennial
Deciduous
Shrub
Upper South
Upper North

642 Phoradendron serotinum ssp. macrophyllum
Big-leaved Mistletoe
Viscaceae
mistletoe family
Native Perennial

Herb

Upper South
Upper North

643 Phoradendron serotinum ssp. tomentosum
Hairy Mistletoe
Viscaceae
mistletoe family
Native Perennial

Herb

Upper South

Middle Park

644 Photinia fraser
Red-tipped Photinia
Rosaceae
rose family
Introduced Perennial
Evergreen
Shrub

Lower Park

645 Phyllostachy aurea
Golden Bamboo
Poaceae
grass family
Introduced Perennial

Herb

Lower Park

646 Physalis lanceifolia
Lance-leaved Ground-cherry
Solanaceae
nightshade family
Introduced Annual

Herb

Middle Park

647 Phytolacca americana var. americana
American Pokeweed
Phytolaccaceae
pokeweed family
Introduced Perennial

Herb

Upper South

Middle Park
Lower Park

648 Pilularia americana
American Pillwort
Marsileaceae
Marsilea family
Native Perennial

Herb

Middle Park

649 Pinus contorta ssp. murrayana
Sierra Lodgepole Pine
Pinaceae
pine family
Introduced Perennial
Evergreen
Tree

Lower Park

650 Pinus coulrwei
Coulter Pine
Pinaceae
pine family
Introduced Perennial
Evergreen
Tree

Lower Park

651 Pinus halepensis
Aleppo Pine
Pinaceae
pine family
Introduced Perennial
Evergreen
Tree

Lower Park

652 Pinus pinaster
Cluster Pine
Pinaceae
pine family
Introduced Perennial
Evergreen
Tree

Lower Park

653 Pinus ponderosa var. ponderosa
Pacific Ponderosa Pine
Pinaceae
pine family
Native Perennial
Evergreen
Tree
Upper South
Upper North
Middle Park
Lower Park
654 Pinus sabiniana
Gray Pine
Pinaceae
pine family
Native Perennial
Evergreen
Tree
Upper South
Upper North
Middle Park
Lower Park
655 Pinus sylvestris
Scots Pine
Pinaceae
pine family
Introduced Perennial
Evergreen
Tree

Lower Park

656 Piperia elongata
Dense-flowered Piperia
Orchidaceae
orchid family
Native Perennial

Herb

Upper South

Middle Park

657 Piperia michaelii
Michael’s Piperia
Orchidaceae
orchid family
Native Perennial

Herb

Middle Park

658 Pistacia atlantica
Mt. Atlas Mastictree
Anacardiaceae
sumac family
Introduced Perennial
Deciduous
Tree

Lower Park

659 Pistacia chinensis
Chinese Pistachio
Anacardiaceae
sumac family
Introduced Perennial
Deciduous
Tree
Upper South
Upper North
Middle Park
Lower Park
660 Pittosporum tobira
Japanese Mockorange
Pittosporaceae
Pittosporum family
Introduced Perennial
Evergreen
Shrub

Lower Park

661 Plagiobothrys austiniae
Austin’s Popcorn-flower
Boraginaceae
borage family
Native Annual

Herb

Upper South
Upper North
Middle Park

662 Plagiobothrys canescens
Valley Popcorn-flower
Boraginaceae
borage family
Native Annual

Herb

Upper South

Middle Park

663 Plagiobothrys fulvus var. campestris
Fulvous Popcorn-flower
Boraginaceae
borage family
Native Annual

Herb

Upper South
Upper North
Middle Park

664 Plagiobothrys glyptocarpus var. glyptocarpus
Sculptured Popcorn-flower
Boraginaceae
borage family
Native Annual

Herb

Upper North

665 Plagiobothrys greenei
Greene’s Popcorn-flower
Boraginaceae
borage family
Native Annual

Herb

Upper North

666 Plagiobothrys nothofulvus
Common Popcorn-flower
Boraginaceae
borage family
Native Annual

Herb

Upper South
Upper North
Middle Park

667 Plagiobothrys scriptus
Scribe’s Popcorn-flower
Boraginaceae
borage family
Native Annual

Herb

668 Plagiobothrys shastensis
Shasta Popcorn-flower
Boraginaceae
borage family
Native Annual

Herb

Upper South
Upper North

669 Plagiobothrys stipitatus var. micranthus
Small-flowered Popcorn-flower
Boraginaceae
borage family
Native Annual

Herb

Upper South

Middle Park

670 Plagiobothrys tenellus
Slender Popcorn-flower
Boraginaceae
borage family
Native Annual

Herb

Upper South
Upper North

671 Plantago coronopus
Cut-leaved Plantain
Plantaginaceae
plantain family
Introduced Annual/
Biennial
Herb
Upper South

672 Plantago elongata
Elongate Plantain
Plantaginaceae
plantain family
Native Annual

Herb

Upper North

673 Plantago erecta
Erect Plantain
Plantaginaceae
plantain family
Native Annual

Herb

Upper South
Upper North
Middle Park

674 Plantago lanceolata
English Plantain
Plantaginaceae
plantain family
Introduced Perennial

Herb

Upper South
Upper North
Middle Park
Lower Park
675 Plantago major
Common Plantain
Plantaginaceae
plantain family
Introduced Annual/
Perennial
Herb
Upper South
Upper North
Middle Park
Lower Park
676 Plantago virginica
Virginia Plantain
Plantaginaceae
plantain family
Introduced Annual/
Biennial
Herb

Middle Park

677 Platanus acerifolia
London Plane-tree
Platanaceae
sycamore family
Introduced Perennial
Deciduous
Tree

Middle Park
Lower Park

678 Platanus racemosa
Western Sycamore
Platanaceae
sycamore family
Native Perennial
Deciduous
Tree
Upper South
Upper North
Middle Park
Lower Park
679 Platycladus orientalis
Chinese Arborvitae
Cupressaceae
cypress family
Introduced Perennial
Evergreen
Tree

Lower Park

680 Platystemon californicus
California Creamcups
Papaveraceae
poppy family
Native Annual

Herb

Middle Park

681 Plectritis ciliosa
Short-spurred Pink Plectritis
Valerianaceae
valerian family
Native Annual

Herb

Upper South
Upper North
Middle Park

682 Plectritis macrocera
White Plectritus
Valerianaceae
valerian family
Native Annual

Herb

Upper South
Upper North
Middle Park

683 Poa annua
Annual Bluegrass
Poaceae
grass family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
684 Poa bulbosa
Bulbous Bluegrass
Poaceae
grass family
Introduced Perennial

Herb

Upper South
Upper North
Middle Park
Lower Park
685 Poa compressa
Canadian Bluegrass
Poaceae
grass family
Introduced Perennial

Herb

Upper South
Upper North
Middle Park

686 Poa howellii
Howell’s Bluegrass
Poaceae
grass family
Native Annual

Herb

Upper North

687 Poa palustris
Fowl Bluegrass
Poaceae
grass family
Introduced Perennial

Herb

Upper South
Upper North

688 Poa pratensis ssp. pratensis
Kentucky Bluegrass
Poaceae
grass family
Introduced Perennial

Herb

Upper South
Upper North
Middle Park

689 Poa secunda ssp. secunda
One-sided Bluegrass
Poaceae
grass family
Native Perennial

Herb

Upper South
Upper North

690 Poa tenerrima
Delicate Bluegrass
Poaceae
grass family
Native Perennial

Herb

Upper South
Upper North
Middle Park

691 Pogogyne zizyphoroides
Sacramento Valley Pogogyne
Lamiaceae
mint family
Native Annual

Herb

Upper South

Middle Park

692 Polanisia dodecanda var. trachysperma
Clammyweed
Cleomaceae
spiderflower family
Native Annual

Herb

Middle Park

693 Polycarpon tetraphyllum var. tetraphyllum
Four-leaved Allseed
Caryophyllaceae
pink family
Introduced Annual

Herb

Lower Park

694 Polygala cornuta var. cornuta
Sierra Milkwort
Polygalaceae
milkwort family
Native Perennial

Shrub

Upper South
Upper North

695 Polygonum aviculare ssp. depressum
Common Knotweed
Polygonaceae
buckwheat family
Introduced Annual

Herb

Middle Park
Lower Park

696 Polygonum bidwelliae
Bidwell’s Knotweed
Polygonaceae
buckwheat family
Native Annual

Herb

Upper South
Upper North

697 Polygonum californicum
California Knotweed
Polygonaceae
buckwheat family
Native Annual

Herb

Upper South
Upper North
Middle Park

698 Polygonum hydropiper
Water-pepper
Polygonaceae
buckwheat family
Introduced Annual

Herb

Middle Park

699 Polypodium calirhiza
Intermediate Polypody
Polypodiaceae
polypody family
Native Perennial

Herb

Upper South
Upper North
Middle Park

700 Polypogon australis
Chilean Beard Grass
Poaceae
grass family
Introduced Perennial

Herb

Upper South
Upper North

701 Polypogon interruptus
Ditch Beard Grass
Poaceae
grass family
Introduced Perennial

Herb

Upper South
Upper North
Middle Park

702 Polypogon maritimus
Mediterranean Beard Grass
Poaceae
grass family
Introduced Annual

Herb

Upper North
Middle Park

703 Polypogon monspeliensis
Annual Beard Grass
Poaceae
grass family
Introduced Annual

Herb

Upper South
Upper North
Middle Park

704 Polystichum californicum
California Sword Fern
Dryopteridaceae
wood fern family
Native Perennial

Herb

Upper South

705 Populus fremontii ssp. fremontii
Fremont’s Cottonwood
Salicaceae
willow family
Native Perennial
Deciduous
Tree
Upper South
Upper North
Middle Park
Lower Park
706 Portulaca oleracea
Common Purslane
Portulacaceae
purslane family
Introduced Annual

Herb

Middle Park

707 Potamogeton crispus
Wavy-leaved Pondweed
Potamogetonaceae
pondweed family
Introduced Perennial

Herb

Middle Park

708 Potamogeton diversifolius
Diverse-leaved Pondweed
Potamogetonaceae
pondweed family
Native Perennial

Herb

Middle Park

709 Potamogeton foliosus ssp. foliosus
Leafy Pondweed
Potamogetonaceae
pondweed family
Native Perennial

Herb

Upper North

710 Poteridium annuum
Western Burnet
Rosaceae
rose family
Native Annual/
Biennial
Herb
Upper North

711 Poterium Sanguisorba
Garden Burnet
Rosaceae
rose family
Introduced Perennial

Herb

Upper South
Upper North

712 Proboscidia louisianica ssp. louisianica
Common Unicorn-plant
Martyniaceae
unicorn-plant family
Introduced Annual

Herb

Upper North

713 Prunella vulgaris ssp. lanceolata
Mountain Selfheal
Lamiaceae
mint family
Native Perennial

Herb

Upper South
Upper North

714 Prunella vulgaris ssp. vulgaris
Common Selfheal
Lamiaceae
mint family
Introduced Perennial

Herb

Middle Park
Lower Park

715 Prunus cerasifera
Cherry Plum
Rosaceae
rose family
Introduced Perennial
Deciduous
Tree
Upper North
Middle Park
Lower Park
716 Prunus dulcis
Almond
Rosaceae
rose family
Introduced Perennial
Deciduous
Tree

Middle Park
Lower Park

717 Prunus serotina
Black Cherry
Rosaceae
rose family
Introduced Perennial
Deciduous
Tree

Lower Park

718 Prunus subcordata
Sierra or Pacific Plum
Rosaceae
rose family
Native Perennial
Deciduous
Shrub
719 Pseudognaphalium beneolens
Fragrant Cudweed
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper North

720 Pseudognaphalium californicum
California Cudweed
Asteraceae
sunflower or composite family
Native Annual

Herb

721 Pseudognaphalium luteoalbum
Weedy Cudweed
Asteraceae
sunflower or composite family
Introduced Annual

Herb

Upper North
Middle Park

722 Pseudognaphalium stramineum
Cotton-batting Cudweed
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper North

723 Pseudotsuga menziesii var. menziesii
Douglas-fir
Pinaceae
pine family
Native Perennial
Evergreen
Tree
Upper South
Upper North

724 Psilocarphus brevissimus var. brevissimus
Dwarf Woolly-marbles
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper South

Middle Park

725 Psilocarphus tenellus
Slender Woolly-marbles
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper South
Upper North

726 Ptelea crenulata
Hop Tree
Rutaceae
rue family
Native Perennial
Deciduous
Shrub
Upper North
Middle Park

727 Pterostegia drymaroides
Pterostegia
Polygonaceae
buckwheat family
Native Annual

Herb

Upper South
Upper North

728 Pyracantha augustifolia
Slender Firethorn
Rosaceae
rose family
Introduced Perennial
Evergreen
Shrub

Lower Park

729 Pyracantha fortuneana
Taiwan Firethorn
Rosaceae
rose family
Introduced Perennial
Evergreen
Shrub
Upper South

Middle Park

730 Pyracantha koidzumii
Firethorn
Rosaceae
rose family
Introduced Perennial
Evergreen
Shrub

Middle Park
Lower Park

731 Pyrus communis
Common Pear
Rosaceae
rose family
Introduced Perennial
Deciduous
Tree
Upper South

Lower Park

732 Quercus berberidifolia
Scrub Oak
Fagaceae
oak family
Native Perennial
Evergreen
Shrub
Upper South
Upper North

733 Quercus chrysolepsis
Canyon Live Oak
Fagaceae
oak family
Native Perennial
Evergreen
Tree
Upper South
Upper North
Middle Park
Lower Park
734 Quercus douglasii
Blue Oak
Fagaceae
oak family
Native Perennial
Deciduous
Tree
Upper South
Upper North
Middle Park

735 Quercus kelloggii
California Black Oak
Fagaceae
oak family
Native Perennial
Deciduous
Tree
Upper South
Upper North
Middle Park
Lower Park
736 Quercus lobata
Valley Oak
Fagaceae
oak family
Native Perennial
Deciduous
Tree
Upper South
Upper North
Middle Park
Lower Park
737 Quercus macrocarpa
Bur Oak
Fagaceae
oak family
Introduced Perennial
Deciduous
Tree

Lower Park

738 Quercus morehus
Oracle Oak
Fagaceae
oak family
Native Perennial
Deciduous
Tree
Upper South

739 Quercus robur
Pedunculate (English) Oak
Fagaceae
oak family
Introduced Perennial
Deciduous
Tree

Lower Park

740 Quercus suber
Cork Oak
Fagaceae
oak family
Introduced Perennial
Evergreen
Tree

Lower Park

741 Quercus wislizenii var. wislizeni
Interior Live Oak
Fagaceae
oak family
Native Perennial
Evergreen
Tree
Upper South
Upper North
Middle Park
Lower Park
742 Rafinesquia californica
California Chicory
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper North

743 Ranunculus aquatilis var. aquatilis
Broad-leaved Water Buttercup
Ranunculaceae
buttercup family
Native Perennial

Herb

Middle Park

744 Ranunculus arvensis
Field Buttercup
Ranunculaceae
buttercup family
Introduced Annual/
Biennial
Herb

Middle Park

745 Ranunculus canus
Sacramento Valley Buttercup
Ranunculaceae
buttercup family
Native Perennial

Herb

Upper South
Upper North
Middle Park

746 Ranunculus hebecarpus
Pubescent-fruited Buttercup
Ranunculaceae
buttercup family
Native Annual

Herb

Upper South
Upper North
Middle Park

747 Ranunculus muricatus
Prickle-seeded Buttercup
Ranunculaceae
buttercup family
Introduced Annual/
Biennial
Herb
Upper South
Upper North
Middle Park
Lower Park
748 Ranunculus occidentalis var. occidentalis
Western Buttercup
Ranunculaceae
buttercup family
Native Perennial

Herb

Upper South
Upper North

749 Raphanus raphanistrum
Jointed Charlock
Brassicaceae
mustard family
Introduced Annual/
Biennial
Herb
Upper South
Upper North
Middle Park
Lower Park
750 Rhamnus ilicifolia
Holly-leaved Redberry
Rhamnaceae
buckthorn family
Native Perennial
Evergreen
Shrub
Upper South
Upper North
Middle Park
Lower Park
751 Rhododendron ?
Nova Zembla
Ericaceae
heath and wintergreen family
Introduced Perennial
Evergreen
Shrub

Lower Park

752 Rhus aromatica
Skunkbrush
Anacardiaceae
sumac family
Native Perennial
Deciduous
Shrub
Upper South
Upper North
Middle Park
Lower Park
753 Rhynchospora californica
California Beaked-rush
Cyperaceae
sedge family
Native Perennial

Herb

Upper North

754 Ribes amarum
Bitter Gooseberry
Grossulariaceae
gooseberry family
Native Perennial
Deciduous
Shrub
755 Ribes roezlii var. roezlii
Sierra Gooseberry
Grossulariaceae
gooseberry family
Native Perennial
Deciduous
Shrub
Upper South
Upper North

756 Robinia pseudoacacia
Black Locust
Fabaceae
legume family
Introduced Perennial
Deciduous
Tree
Upper South

Middle Park
Lower Park

757 Rorippa curvisiliqua
Western Yellowcress
Brassicaceae
mustard family
Native Annual/
Biennial
Herb
Upper South

Middle Park

758 Rosa ?
Floribunda Rose
Rosaceae
rose family
Introduced Perennial
Evergreen
Shrub

Lower Park

759 Rosa banksiae lutea
Yellow Lady Banks Rose
Rosaceae
rose family
Introduced Perennial
Evergreen
Shrub

Lower Park

760 Rosa californica
California Rose
Rosaceae
rose family
Native Perennial
Deciduous/
Evergreen
Shrub
Upper South
Upper North

761 Rosa multiflora
Rambler Rose
Rosaceae
rose family
Introduced Perennial
Deciduous
Shrub
Upper North

762 Rosa pisocarpa
Cluster Rose
Rosaceae
rose family
Native Perennial
Deciduous
Shrub
Upper South

763 Rosa pisocarpa ssp. ahartii
Ahart Rose
Rosaceae
rose family
Native Perennial
Deciduous
Shrub
Upper South

764 Rosmarinus officinalis
Rosemary
Lamiaceae
mint family
Introduced Perennial

Herb

Upper South

765 Rotala ramosior
Lowland Toothcup
Lythraceae
loosestrife family
Native Annual

Herb

Middle Park

766 Rubus armeniacus
Himalayan Blackberry
Rosaceae
rose family
Introduced Perennial
Evergreen
Vine
Upper South
Upper North
Middle Park
Lower Park
767 Rubus laciniatus
Cut-leaved Blackberry
Rosaceae
rose family
Introduced Perennial
Deciduous
Shrub/
Vine
Upper South

Middle Park

768 Rubus pensilvanicus
Pennsylvania Blackberry
Rosaceae
rose family
Introduced Perennial
Deciduous
Shrub/
Vine

Middle Park

769 Rubus ulmifolius var. anoplothyrsus
Thornless Blackberry
Rosaceae
rose family
Introduced Perennial
Deciduous
Shrub/
Vine

Lower Park

770 Rubus ursinus
California Blackberry
Rosaceae
rose family
Native Perennial
Deciduous
Shrub/
Vine
Upper South
Upper North
Middle Park
Lower Park
771 Rumex acetosella
Common Sheep Sorrel
Polygonaceae
buckwheat family
Introduced Annual

Herb

Upper South
Upper North

772 Rumex californicus
Smooth-valved Willow Dock
Polygonaceae
buckwheat family
Native Perennial

Herb

Middle Park

773 Rumex conglomeratus
Green Dock
Polygonaceae
buckwheat family
Introduced Perennial

Herb

Upper South
Upper North
Middle Park

774 Rumex crispus
Curly Dock
Polygonaceae
buckwheat family
Introduced Perennial

Herb

Upper South
Upper North
Middle Park
Lower Park
775 Rumex pulcher
Fiddle Dock
Polygonaceae
buckwheat family
Introduced Perennial

Herb

Upper South
Upper North

776 Sagina apetala
Dwarf Pearlwort
Caryophyllaceae
pink family
Native Annual

Herb

Upper South
Upper North

Lower Park

777 Sagittaria montevidensis ssp. calycina
Montevideo
Alismataceae
water-plantain family
Native Annual

Herb

Middle Park

778 Salix babylonica
Weeping Willow
Salicaceae
willow family
Introduced Perennial
Deciduous
Tree

Lower Park

779 Salix exigua
Sandbar Willow
Salicaceae
willow family
Native Perennial
Deciduous
Shrub
Upper North

780 Salix gooddingii
Black Willow
Salicaceae
willow family
Native Perennial
Deciduous
Tree
Upper South

Middle Park
Lower Park

781 Salix laevigata
Red Willow
Salicaceae
willow family
Native Perennial
Deciduous
Tree
Upper South
Upper North
Middle Park

782 Salix lasiandra ssp. lasiandra
Yellow Willow
Salicaceae
willow family
Native Perennial
Deciduous
Shrub

Middle Park

783 Salix lasiolepis
Arroyo Willow
Salicaceae
willow family
Native Perennial
Deciduous
Shrub
Upper South
Upper North
Middle Park

784 Salix melanopsis
Dusky Willow
Salicaceae
willow family
Native Perennial
Deciduous
Shrub
Upper North
Middle Park

785 Salsola tragus
Russian Thistle
Chenopodiaceae
goosefoot family
Introduced Annual

Herb

Middle Park

786 Sambucus nigra ssp. caerulea
Blue Elderberry
Adoxaceae
muskroot family
Native Perennial
Deciduous
Shrub
Upper South
Upper North
Middle Park
Lower Park
787 Sanicula bipinnata
Poison Sanicle
Apiaceae
carrot or umbel family
Native Perennial

Herb

Upper South
Upper North
Middle Park
Lower Park
788 Sanicula bipinnatifida
Purple Sanicle
Apiaceae
carrot or umbel family
Native Perennial

Herb

Upper South
Upper North

789 Sanicula crassicaulis
Pacific Sanicle
Apiaceae
carrot or umbel family
Native Perennial

Herb

Upper South
Upper North

Lower Park

790 Sanicula tuberosa
Turkey-pea
Apiaceae
carrot or umbel family
Native Perennial

Herb

Upper South
Upper North

791 Sapium sebiferum
Chinese Tallowtree
Euphorbiaceae
spurge family
Introduced Perennial
Deciduous
Tree

Lower Park

792 Saponaria officinalis
Bouncing-bet
Caryophyllaceae
pink family
Introduced Perennial

Herb

Upper South
Upper North
Middle Park

793 Scandix pecten-veneris
Shepherd’s-needle
Apiaceae
carrot or umbel family
Introduced Annual

Herb

Upper South
Upper North

794 Schinus terebinthifolius
Brazil Pepper Tree
Anacardiaceae
sumac family
Introduced Perennial
Deciduous
Tree

Lower Park

795 Schoenoplectus americanus
Hard-stemmed Tule
Cyperaceae
sedge family
Native Perennial

Herb

Upper North
Middle Park

796 Schoenoplectus tabernaemontani
Soft-stemmed Tule
Cyperaceae
sedge family
Native Perennial

Herb

Upper North

797 Scirpus congdonii
Congdon’s Bulrush
Cyperaceae
sedge family
Native Perennial

Herb

Upper North

798 Scirpus diffusus
Diffuse Bulrush
Cyperaceae
sedge family
Native Perennial

Herb

Upper North

799 Scirpus microcarpus
Small-fruited Bulrush
Cyperaceae
sedge family
Native Perennial

Herb

Middle Park

800 Scleranthus annuus ssp. annuus
Knawel
Caryophyllaceae
pink family
Introduced Annual

Herb

Upper South

Middle Park

801 Scribneria bolanderi
Scribner’s-grass
Poaceae
grass family
Native Annual

Herb

Upper South
Upper North

802 Scrophularia californica
Many-flowered Figwort
Scrophulariaceae
figwort family
Native Perennial

Herb

Upper North
Middle Park

803 Scutellaria californica
California Skullcap
Lamiaceae
mint family
Native Perennial

Herb

Upper South
Upper North
Middle Park

804 Scutellaria siphocampyloides
Gray-leaved Skullcap
Lamiaceae
mint family
Native Perennial

Herb

Upper South

Middle Park

805 Scutellaria tuberosa
Danny’s Skullcap
Lamiaceae
mint family
Native Perennial

Herb

Upper South
Upper North

806 Sedella pumila
Dwarf-stonecrop
Crassulaceae
stonecrop family
Native Perennial

Herb

Upper South
Upper North
Middle Park

807 Sedum spathulifolium
Broad-leaved Stonecrop
Crassulaceae
stonecrop family
Native Perennial

Herb

Upper South
Upper North

808 Selaginella hansenii
Hansen’s Spike-moss
Selaginellaceae
spike-moss family
Native Perennial

Herb

Upper South
Upper North
Middle Park

809 Selaginella wallacei
Wallace’s Spike-moss
Selaginellaceae
spike-moss family
Native Perennial

Herb

Upper South
Upper North

810 Senecio aronicoides
California Ragwort
Asteraceae
sunflower or composite family
Native Biennial/
Perennial
Herb
Upper North

811 Senecio sylvaticus
Wood Groundsel
Asteraceae
sunflower or composite family
Introduced Annual

Herb

Upper South
Upper North

812 Senecio vulgaris
Old-man-in-the-spring
Asteraceae
sunflower or composite family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
813 Sequoia sempervirens
Coast Redwood
Cupressaceae
cypress family
Native Perennial
Evergreen
Tree

Lower Park

814 Sequoiadendron giganteum
Giant Sequoia
Cupressaceae
cypress family
Native Perennial
Evergreen
Tree

Lower Park

815 Setaria parviflora
Knotroot Bristle Grass
Poaceae
grass family
Native Perennial

Herb

Middle Park

816 Setaria pumila
Yellow Bristle Grass
Poaceae
grass family
Introduced Annual

Herb

Middle Park

817 Setaria sphacelata
African Bristle Grass
Poaceae
grass family
Introduced Perennial

Herb

Middle Park

818 Setaria viridis
Green Bristle Grass
Poaceae
grass family
Introduced Annual

Herb

Upper South

Middle Park
Lower Park

819 Sherardia arvensis
Field-madder
Rubiaceae
madder family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
820 Sidalcea calycosa ssp. calycosa
Annual Checkerbloom
Malvaceae
mallow family
Native Annual

Herb

Upper South
Upper North

821 Sidalcea hartwegii
Hartweg’s Checkerbloom
Malvaceae
mallow family
Native Annual

Herb

Upper South
Upper North

822 Sidalcea hirsuta
Hairy Checkerbloom
Malvaceae
mallow family
Native Annual

Herb

Middle Park

823 Sidalcea robusta
Butte County Checkerbloom
Malvaceae
mallow family
Native Perennial

Herb

Upper South
Upper North
Middle Park

824 Silene antirrhina
Sleepy Catchfly
Caryophyllaceae
pink family
Native Annual

Herb

Upper North

825 Silene gallica
Windmill-pink
Caryophyllaceae
pink family
Introduced Annual

Herb

Upper South
Upper North
Middle Park

826 Silene laciniata ssp. californica
Indian-pink
Caryophyllaceae
pink family
Native Perennial

Herb

Upper South
Upper North

827 Silybum marianum
Milk-thistle
Asteraceae
sunflower or composite family
Introduced Annual/
Biennial
Herb
Upper South

Middle Park
Lower Park

828 Sinapis arvensis
Field Charlock
Brassicaceae
mustard family
Introduced Annual

Herb

Upper North
Middle Park

829 Sisymbrium altissimum
Tumble Mustard
Brassicaceae
mustard family
Introduced Annual

Herb

Middle Park

830 Sisymbrium officinale
Hedge-mustard
Brassicaceae
mustard family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
831 Sisyrinchium bellum
Blue-eyed-grass
Iridaceae
iris family
Native Perennial
Rhizomaceous
Herb
Upper South
Upper North

832 Smilax californica
California Greenbrier
Smilacaceae
Smilax family
Native Perennial
Evergreen
Vine
Upper South
Upper North
Middle Park

833 Solanum americanum
American Black Nightshade
Solanaceae
nightshade family
Native Annual/
Perennial
Herb/
Shrub

Middle Park

834 Solanum parishii
Parish’s Nightshade
Solanaceae
nightshade family
Native Perennial

Herb/
Shrub

Upper South
Upper North
Middle Park

835 Solanum umbelliferum
Bluewitch
Solanaceae
nightshade family
Native Perennial

Herb/
Shrub

Upper North

836 Solidago elongata
West Coast Canada Goldenrod
Asteraceae
sunflower or composite family
Native Perennial

Herb

837 Soliva sessilis
Lawn Burweed
Asteraceae
sunflower or composite family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
838 Sonchus asper ssp. asper
Prickly Sow Thistle
Asteraceae
sunflower or composite family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
839 Sonchus oleraceus
Common Sow-thistle
Asteraceae
sunflower or composite family
Introduced Annual

Herb

Upper South
Upper North
Middle Park

840 Sorghum halepense
Johnsongrass
Poaceae
grass family
Introduced Perennial

Herb

Upper South

Middle Park
Lower Park

841 Spartium junceum
Spanish Broom
Fabaceae
legume family
Introduced Perennial
Deciduous
Shrub
Upper South
Upper North
Middle Park

842 Spergularia bocconei
Baccone’s Sandspurry
Caryophyllaceae
pink family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
843 Spiranthes porrifolia
Western Ladies-tresses
Orchidaceae
orchid family
Native Perennial

Herb

Upper South
Upper North

844 Stachys bergii
Rigid Hedge-nettle
Lamiaceae
mint family
Native Perennial

Herb

Upper South

845 Stachys pycnantha
Short-spiked Hedge-nettle
Lamiaceae
mint family
Native Perennial

Herb

Upper South
Upper North
Middle Park

846 Stachys stricta
Sonoma Hedge-nettle
Lamiaceae
mint family
Native Perennial

Herb

Upper South
Upper North

847 Stellaria media
Common Chickweed
Caryophyllaceae
pink family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
848 Stellaria nitens
Shiny Chickweed
Caryophyllaceae
pink family
Native Annual

Herb

Upper South
Upper North

849 Stephanomeria elata
Santa Babara Stephanomeria
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper North

850 Stephanomeria virgata ssp. pleurocarpa
Wand Stephanomeria
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper North

851 Stipa lemmonii ssp. pubescens?
Lemmon’s Needlegrass
Poaceae
grass family
Native Perennial

Herb

Upper South

852 Stipa pulchra
Purple Needlegrass
Poaceae
grass family
Native Perennial

Herb

Upper South
Upper North
Middle Park
Lower Park
853 Symphoricarpos albus var. laevigatus
Common Snowberry
Caprifoliaceae
honeysuckle family
Native Perennial
Deciduous
Shrub
Upper South
Upper North

854 Symphyotrichum bracteolatum
Eaton’s Aster
Asteraceae
sunflower or composite family
Native Perennial

Herb

Upper South
Upper North
Middle Park

855 Symphyotrichum chilense
California Aster
Asteraceae
sunflower or composite family
Native Perennial

Herb

Upper South
Upper North
Middle Park

856 Symphyotrichum spathulatum
Western Aster
Asteraceae
sunflower or composite family
Native Perennial

Herb

857 Symphyotrichum subulatus var. ligulatus
Annual Saltmarsh Aster
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper North
Middle Park

858 Tamarix gallica
French Tamarisk
Tamaricaceae
tamarisk family
Introduced Perennial
Deciduous
Shrub
Upper North

859 Taraxacum erythrospermum
Red-seeded Dandelion
Asteraceae
sunflower or composite family
Introduced Perennial

Herb

Lower Park

860 Taraxacum officinale
Common Dandelion
Asteraceae
sunflower or composite family
Introduced Perennial

Herb

Upper South

Middle Park
Lower Park

861 Tauschia hartwegii
Hartweg’s Taushia
Apiaceae
carrot or umbel family
Native Perennial

Herb

Upper South
Upper North

Lower Park

862 Thalictrum fendleri var. polycarpum
Many-fruited Meadow-rue
Ranunculaceae
buttercup family
Native Perennial

Herb

Middle Park
Lower Park

863 Thysanocarpus curvipes var. elegans
Elegant Fringepod
Brassicaceae
mustard family
Native Annual

Herb

Upper South
Upper North

864 Thysanocarpus radians
Spokepod
Brassicaceae
mustard family
Native Annual

Herb

Upper North
Middle Park

865 Tilia americana
American Linden or Basswood
Malvaceae
mallow family
Introduced Perennial
Deciduous
Tree

Lower Park

866 Tilia platyphyllos
Large-leaf Linden
Malvaceae
mallow family
Introduced Perennial
Deciduous
Tree

Lower Park

867 Tilia x europaea
European Linden
Malvaceae
mallow family
Introduced Perennial
Deciduous
Tree

Lower Park

868 Tonella tenella
Small-flowered Tonella
Plantaginaceae
plantain family
Native Annual

Herb

Upper North

869 Torilis arvensis
Tall Sock-Destroyer
Apiaceae
carrot or umbel family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
870 Torilis nodosa
Knotted Hedge-parsley
Apiaceae
carrot or umbel family
Introduced Annual

Herb

Upper South
Upper North
Middle Park

871 Toxicodendron diversilobum
Western Poison-oak
Anacardiaceae
sumac family
Native Perennial
Deciduous
Shrub
Upper South
Upper North
Middle Park
Lower Park
872 Toxicoscordion fremontii
Fremont’s Zigadene
Melanthiaceae
false-hellebore family
Native Perennial
Bulbous
Herb

Middle Park

873 Toxicoscordion venenosum
Death-camas
Melanthiaceae
false-hellebore family
Native Perennial
Bulbous
Herb
Upper South
Upper North

874 Tragopogon dubius
Yellow Salsify
Asteraceae
sunflower or composite family
Introduced Annual/
Biennial
Herb
Upper South
Upper North

Lower Park

875 Tragopogon porrifolius
Purple Salsify
Asteraceae
sunflower or composite family
Introduced Biennial

Herb

Middle Park
Lower Park

876 Tribulus terrestris
Puncture-vine
Zygophyllaceae
caltrop family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
877 Trichostema lanceolatum
Vinegar-weed
Lamiaceae
mint family
Native Annual

Herb

Upper South
Upper North
Middle Park

878 Trichostema oblongum
Mountain Bluecurls
Lamiaceae
mint family
Native Annual

Herb

Middle Park

879 Trifolium albopurpureum
Indian Clover
Fabaceae
legume family
Native Annual

Herb

Upper South
Upper North

880 Trifolium bifidum var. bifidum
Notch-leaved Clover
Fabaceae
legume family
Native Annual

Herb

Upper South

881 Trifolium campestre
Hop Clover
Fabaceae
legume family
Introduced Annual

Herb

Middle Park

882 Trifolium ciliolatum
Foothill Clover
Fabaceae
legume family
Native Annual

Herb

Upper South
Upper North
Middle Park

883 Trifolium depauperatum var. amplectens
Involucrate Cowbag Clover
Fabaceae
legume family
Native Annual

Herb

Upper South
Upper North

884 Trifolium depauperatum var. depauperatum
Dwarf Cowbag Clover
Fabaceae
legume family
Native Annual

Herb

Upper South
Upper North
Middle Park

885 Trifolium dubium
Little Hop Clover
Fabaceae
legume family
Introduced Annual

Herb

Upper South
Upper North

Lower Park

886 Trifolium glomeratum
Sessile-headed Clover
Fabaceae
legume family
Introduced Annual

Herb

Upper South

Lower Park

887 Trifolium hirtum
Rose Clover
Fabaceae
legume family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
888 Trifolium microcephalum
Small-headed Clover
Fabaceae
legume family
Native Annual

Herb

Upper South
Upper North
Middle Park

889 Trifolium oliganthum
Few-flowered Clover
Fabaceae
legume family
Native Annual

Herb

Upper North

890 Trifolium olivaceum
Olive Clover
Fabaceae
legume family
Native Annual

Herb

Middle Park

891 Trifolium repens
White Clover
Fabaceae
legume family
Introduced Perennial

Herb

Upper North
Middle Park
Lower Park
892 Trifolium retusum
Retuse Clover
Fabaceae
legume family
Introduced Annual

Herb

Upper South

Lower Park

893 Trifolium subterraneum
Subterranean Clover
Fabaceae
legume family
Introduced Annual

Herb

Upper South
Upper North

Lower Park

894 Trifolium variegatum
White-tipped Clover
Fabaceae
legume family
Native Annual/
Perennial
Herb
Upper South
Upper North

Lower Park

895 Trifolium willdenovii
Tomcat Clover
Fabaceae
legume family
Native Annual

Herb

Upper South
Upper North

896 Triodanis biflora
Small Venus’ Looking glass
Campanulaceae
bellflower family
Native Annual

Herb

Upper North

897 Triodanis perfoliata
Venus’ Looking Glass
Campanulaceae
bellflower family
Native Annual

Herb

Upper North

898 Triphysaria eriantha ssp. eriantha
Johnnytuck
Orobanchaceae
broom-rape family
Native Annual

Herb

Upper South

Middle Park

899 Triteleia bridgesii
Bridges’s Triteleia
Themidaceae
brodiaea family
Native Perennial
Bulbous
Herb
Upper South
Upper North

900 Triteleia hyacinthina
Wild Hyacinth
Themidaceae
brodiaea family
Native Perennial
Bulbous
Herb
Upper South
Upper North
Middle Park

901 Triteleia ixioides ssp. unifolia
Dark-stained Prettyface
Themidaceae
brodiaea family
Native Perennial
Bulbous
Herb

Middle Park

902 Triteleia laxa
Ithuriel’s-spear
Themidaceae
brodiaea family
Native Perennial
Bulbous
Herb
Upper South
Upper North
Middle Park

903 Triteleia lilacina
Glassy Wild Hyacinth
Themidaceae
brodiaea family
Native Perennial
Bulbous
Herb
Upper North

904 Triticum aestivum
Wheat
Poaceae
grass family
Introduced Annual

Herb

Upper North

Lower Park

905 Turritis glabra
Tower Mustard
Brassicaceae
mustard family
Native Biennial

Herb

Upper North
Middle Park

906 Typha angustifolia
Narrow-leaved Cattail
Typhaceae
cattail family
Native Perennial

Herb

Upper South
Upper North
Middle Park

907 Typha latifolia
Broad-leaved Cattail
Typhaceae
cattail family
Native Perennial

Herb

Upper North

908 Ulmus americana
American Elm
Ulmaceae
elm family
Introduced Perennial
Deciduous
Tree

Lower Park

909 Ulmus glabra
Scotch or Wych Elm
Ulmaceae
elm family
Introduced Perennial
Deciduous
Tree

Lower Park

910 Ulmus hollandica
Huntingdon Elm
Ulmaceae
elm family
Introduced Perennial
Deciduous
Tree

Lower Park

911 Ulmus rubra
Slippery Elm
Ulmaceae
elm family
Introduced Perennial
Deciduous
Tree

Lower Park

912 Ulmus thomasii
Cork Elm
Ulmaceae
elm family
Introduced Perennial
Deciduous
Tree

Lower Park

913 Umbellularia californica
California Bay
Lauraceae
laurel family
Native Perennial
Evergreen
Tree
Upper South
Upper North
Middle Park
Lower Park
914 Uropappus lindleyi
Silverpuffs
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper South
Upper North

915 Vachellia farnesiana
Sweet Acacia
Fabaceae
legume family
Introduced Perennial
Deciduous
Shrub/
Tree

Lower Park

916 Velezia rigida
Valezia
Caryophyllaceae
pink family
Introduced Annual

Herb

Upper North

917 Verbascum blattaria
Moth Mullein
Scrophulariaceae
figwort family
Introduced Biennial

Herb

Upper South
Upper North
Middle Park
Lower Park
918 Verbascum thapsus
Woolly Mullein
Scrophulariaceae
figwort family
Introduced Biennial

Herb

Upper South
Upper North
Middle Park
Lower Park
919 Verbena hastata
Halberd-leaved Vervain
Verbenaceae
vervain family
Native Biennial/
Perennial
Herb
Upper South
Upper North

920 Verbena lasiostachys var. scabrida
Western Vervain
Verbenaceae
vervain family
Native Perennial

Herb

Middle Park

921 Veronica anagallis-aquatica
Water Speedwell
Plantaginaceae
plantain family
Introduced Perennial

Herb

Middle Park

922 Veronica arvensis
Field Speedwell
Plantaginaceae
plantain family
Introduced Annual

Herb

Upper South

Middle Park
Lower Park

923 Veronica peregrina ssp. xalapensis
Purslane Speedwell
Plantaginaceae
plantain family
Native Annual

Herb

Upper North
Middle Park

924 Veronica persica
Persian Speedwell
Plantaginaceae
plantain family
Introduced Annual

Herb

Upper South

Middle Park
Lower Park

925 Vicia americana ssp. americana
American Vetch
Fabaceae
legume family
Native Perennial

Herb

Upper North

926 Vicia faba
Fava Bean
Fabaceae
legume family
Introduced Annual

Herb

927 Vicia sativa ssp. nigra
Garden Vetch
Fabaceae
legume family
Introduced Annual

Herb

Upper South
Upper North

Lower Park

928 Vicia sativa ssp. sativa
Garden Vetch
Fabaceae
legume family
Introduced Annual

Herb

Lower Park

929 Vicia villosa ssp. varia
Winter Vetch
Fabaceae
legume family
Introduced Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
930 Vinca major
Periwinkle
Apocynaceae
dogbane family
Introduced Perennial

Herb

Upper South
Upper North
Middle Park
Lower Park
931 Viola odorata
English Violet
Violaceae
violet family
Introduced Perennial

Herb

Lower Park

932 Viola purpurea ssp. quercetorum
Oakwoods Violet
Violaceae
violet family
Native Perennial

Herb

933 Vitis californica
California Wild Grape
Vitaceae
grape family
Native Perennial

Vine

Upper South
Upper North
Middle Park
Lower Park
934 Washingtonia robusta
Mexican Fan Palm
Arecaceae
palm family
Introduced Perennial
Evergreen
Tree

Lower Park

935 Wolffia borealis
Northern Watermeal
Araceae
Arum family
Native Perennial

Herb

Upper South

936 Woodwardia fimbriata
Giant Chain Fern
Blechnaceae
deer fern family
Native Perennial

Herb

Upper South
Upper North

Lower Park

937 Wyethia angustifolia
Narrow-leaved Mule’s-ears
Asteraceae
sunflower or composite family
Native Perennial

Herb

Upper South
Upper North

938 Xanthium spinosum
Spiny Cocklebur
Asteraceae
sunflower or composite family
Native Annual

Herb

Lower Park

939 Xanthium strumarium
Cocklebur
Asteraceae
sunflower or composite family
Native Annual

Herb

Upper South
Upper North
Middle Park
Lower Park
940 Yabea microcarpa
False Hedge-parsley
Apiaceae
carrot or umbel family
Native Annual

Herb

Upper South
Upper North
Middle Park

941 Zelkova serrota
Japanese Zelkova
Ulmaceae
elm family
Introduced Perennial
Deciduous
Tree

Lower Park

942 Zeltera venusta
Canchalagua
Gentianaceae
gentian family
Native Annual

Herb

Upper North