Plant Checklist for Santa Rosa Plateau

Compiled February 2, 2007 from voucher data provided by the participants of the Consortium of California Herbaria, CalFlora species data, and Tom Chester's database of Southern California plants. The scientific name of all plants are current names as defined by the Jepson Flora Project. The "R" column indicates plants which appear in one of the CNPS (California Native Plant Society) lists (1B,2,3,or 4) of rare and/or endangered plants. The "N" column identifies plants that are non-native with an "I" (introduced).

Dicotyledonae

# N R Scientific Name Key Common Name Lifeform Low High Notes
Amaranthaceae Amaranth Family
1 I   Amaranthus albus key tumble pigweed Annual herb 0 7218  
2     Amaranthus blitoides key mat amaranth Annual herb 0 7218  
3     Amaranthus californicus key California amaranth Annual herb 0 9186  
4 I   Amaranthus retroflexus key red-rooted amaranth Annual herb 0 7874  
 
Anacardiaceae Sumac Or Cashew Family
5     Malosma laurina key laurel sumac Tree, Shrub 0 3281  
6     Rhus ovata key sugar bush Shrub 0 4265  
7     Rhus trilobata var. anisophylla key basketbush        
8     Rhus trilobata var. pilosissima key basketbush pubescent skunkbush sumac        
 
Apiaceae Carrot Family
9 I   Ammi visnaga key bisnaga Annual, Biennial herb 0 3281  
10     Apiastrum angustifolium key wild celery Annual herb 0 3000  
11 I   Apium graveolens key celery Annual, Biennial herb 0 3281  
12     Daucus pusillus key rattlesnake weed Annual herb 0 5000  
13   1B.1 Eryngium aristulatum var. parishii key San Diego button-celery Annual, Perennial herb      
14     Hydrocotyle ranunculoides key floating marsh-pennywort Perennial herb 0 5000  
15     Lomatium utriculatum key common lomatium Perennial herb 0 5500  
16     Sanicula arguta key sharp-toothed sanicle Perennial herb 0 1969  
17     Sanicula bipinnata key poison sanicle Perennial herb 0 6000  
18     Sanicula bipinnatifida key purple sanicle Perennial herb 0 5000  
19     Sanicula crassicaulis key Pacific sanicle Perennial herb 0 4500  
20     Tauschia arguta key southern tauschia Perennial herb 328 4921  
21 I   Torilis nodosa key hedge parsley Annual herb 0 4921  
 
Apocynaceae Dogbane Family
22 I   Vinca major key greater periwinkle Perennial herb 7 656  
 
Asclepiadaceae Milkweed Family
23     Asclepias eriocarpa key Indian milkweed Perennial herb 0 7000  
24     Asclepias fascicularis key narrow-leaf milkweed Perennial herb 0 7000  
 
Asteraceae Sunflower Family
25     Achyrachaena mollis key blow-wives Annual herb 0 1000  
26     Agoseris grandiflora key grand mountain dandelion Perennial herb 0 7400  
27     Ambrosia psilostachya key western ragweed Perennial herb 0 3281  
28     Artemisia californica key California sagebrush Shrub 0 2625 Lvs gen > 2cm;margins curled under
29     Artemisia douglasiana key mugwort Perennial herb 0 6000  
30     Baccharis pilularis key coyote bush Shrub 0 2000  
31     Blennosperma nanum var. nanum key yellow carpet Annual herb 0 5249  
32 I   Centaurea cyanus key bachelor's button Annual herb 0 6562  
33     Chaenactis artemisiifolia key meally white pincushion Annual herb 0 5249  
34     Chaenactis glabriuscula key yellow pincushion Annual herb 0 5249  
35     Cirsium occidentale var. californicum key California thistle Perennial herb 0 7000  
36     Cirsium occidentale var. occidentale key cobwebby thistle Perennial herb 0 656  
37     Cirsium scariosum key elk thistle Perennial herb 0 11000  
38 I   Cirsium vulgare key bull thistle Perennial herb 0 7546  
39     Ericameria palmeri var. pachylepis key Palmer's goldenbush Shrub 0 2625  
40     Erigeron foliosus key leafy daisy Perennial herb 0 9515  
41     Eriophyllum confertiflorum key golden yarrow Shrub 0 9843  
42 I   Filago gallica key narrowleaf filago Annual herb 0 4593  
43 I   Gazania linearis key gazania Perennial herb 0 656  
44     Gnaphalium bicolor key bicolored everlasting Perennial herb 0 1969  
45     Gnaphalium californicum key California everlasting Annual, Perennial herb 0 5906  
46     Gnaphalium canescens ssp. microcephalum key white everlasting Perennial herb 0 8700  
47 I   Gnaphalium luteo-album key common cudweed Annual herb 0 6890  
48     Gnaphalium palustre key western marsh cudweed Annual herb 0 9500  
49     Grindelia camporum key Great Valley gumweed Perennial herb 0 4593  
50     Hazardia squarrosa key saw-toothed goldenbush Shrub 0 4265  
51     Helianthus gracilentus key slender sunflower Perennial herb 200 6000  
52     Hemizonia fasciculata key slender tarweed Annual herb 0 2953  
53     Hemizonia paniculata key San Diego tarweed Annual herb 0 984  
54     Hemizonia pungens ssp. laevis key smooth tarplant Annual herb      
55     Heterotheca grandiflora key telegraph weed Annual, Perennial herb 0 984  
56   4.2 Holocarpha virgata ssp. elongata key graceful tarplant Annual herb      
57 I   Hypochaeris glabra key smooth cat's ear Annual herb 0 3937  
58 I   Lactuca serriola key prickly lettuce Annual herb 0 6562  
59     Lagophylla ramosissima key common hareleaf Annual herb 0 5249  
60     Lasthenia californica key goldfields Annual herb 0 4000  
61     Lessingia filaginifolia key California-aster Perennial herb 0 8200  
62     Madia gracilis key slender madia Annual herb 0 7800  
63     Micropus californicus key slender cottonweed Annual herb 0 5578  
64     Microseris douglasii key Douglas' microseris Annual herb 0 3281  
65     Osmadenia tenella key three spot Annual herb 0 1969  
66   4.2 Pentachaeta aurea key golden daisy Annual herb 0 6070  
67     Porophyllum gracile key odora Perennial herb 0 4921  
68     Psilocarphus brevissimus var. brevissimus key woolly marbles Annual herb 0 8202  
69     Senecio flaccidus var. douglasii key bush senecio Shrub 0 6500  
70 I   Senecio vulgaris key common groundsel Annual herb 0 4921  
71     Solidago californica key goldenrod Perennial herb 0 7500  
72 I   Tragopogon dubius key yellow salsify Perennial herb 0 8858  
73     Uropappus lindleyi key silver puffs Annual herb 0 6000  
74     Xanthium strumarium key cocklebur Annual herb 0 1640  
 
Boraginaceae Borage Family
75     Amsinckia menziesii var. menziesii key small-flowered fiddleneck Annual herb 0 5577  
76     Cryptantha intermedia key popcorn flower Annual herb 1500 4500  
77     Cryptantha micromeres key minute-flowered cryptantha Annual herb 0 2000  
78     Cryptantha microstachys key Tejon cryptantha Annual herb 0 4000  
79     Heliotropium curassavicum key seaside heliotrope Perennial herb 0 6700  
80     Plagiobothrys bracteatus key bracted popcorn flower Annual herb 0 5000  
81     Plagiobothrys canescens key grey popcorn flower Annual herb 0 4500  
82     Plagiobothrys collinus key Annual herb 0 6890  
83     Plagiobothrys fulvus var. campestris key tawny popcorn flower Annual herb 0 1500  
84     Plagiobothrys leptocladus key alkali plagiobothrys Annual herb 0 2000  
85     Plagiobothrys nothofulvus key rusty-haired popcorn flower Annual herb 0 4700  
86     Plagiobothrys undulatus key hooked popcorn flower Annual herb 0 1200  
 
Brassicaceae Mustard Family
87     Cardamine californica key milk maids Perennial herb 0 6000  
88     Caulanthus heterophyllus var. pseudosimulans key slender-pod jewelflower Annual herb 0 4265  
89     Lepidium nitidum key shining peppergrass Annual herb 0 4921  
90 I   Lobularia maritima key sweet alyssum Perennial herb 0 656  
91 I   Sisymbrium irio key London rocket Annual herb 0 2625  
 
Cactaceae Cactus Family
92     Opuntia oricola key tall coast prickly-pear Shrub (stem succulent) 10 1476  
 
Callitrichaceae Water Startwort Family
93     Callitriche heterophylla var. bolanderi key Bolander's water-starwort Annual herb 0 6562  
94     Callitriche marginata key winged water-starwort Annual herb (aquatic) 0 3000  
 
Campanulaceae Bellflower Family
95     Downingia bella key spotted downingia Annual herb 4593 5249  
96     Downingia cuspidata key toothed downingia Annual herb 0 1600  
97     Githopsis diffusa ssp. diffusa key San Gabriel bluecup Annual herb 1476 3609  
98     Triodanis biflora key Venus looking-glass Annual herb 0 6500  
 
Caprifoliaceae Honeysuckle Family
99     Lonicera subspicata var. denudata key southern honeysuckle Shrub 0 5906  
 
Caryophyllaceae Pink Family
100 I   Cerastium glomeratum key mouse-ear chickweed Annual herb 0 5249  
101     Minuartia douglasii key Douglas' sandwort Annual herb 0 7000  
102 I   Polycarpon tetraphyllum key four-leaf polycarp Annual herb 0 1476  
103 I   Silene gallica key windmill pink Annual herb 0 3281  
104     Silene laciniata ssp. major key southern Indian pink Perennial herb 0 3937  
105     Silene multinervia key fire-following campion Annual herb 0 6562  
106     Spergularia marina key salt marsh sand-spurry Annual herb 0 2297  
 
Chenopodiaceae Goosefoot Family
107     Atriplex argentea key silverscale saltbush Annual herb 0 5577  
108 I   Atriplex semibaccata key creeping Australian saltbush Perennial herb 0 3281  
109     Atriplex serenana key saltscale Annual herb 0 6562  
110 I   Atriplex suberecta key peregrine saltbush Annual herb 0 984  
111     Atriplex triangularis key arrow-leaf saltbush Annual herb 0 984  
112 I   Beta vulgaris key sea beet Perennial herb 0 656  
113 I   Chenopodium murale key nettle-leaved goosefoot Annual herb 0 9514  
114 I   Chenopodium pumilio key clammy goosefoot Annual herb 0 9843  
115     Chenopodium rubrum key red goosefoot Annual herb 0 3609  
 
Cistaceae Rock-Rose Family
116     Helianthemum scoparium key rush-rose Shrub 0 5000  
 
Convolvulaceae Morning-Glory Family
117   4.2 Convolvulus simulans key small-flowered morning-glory Annual herb 0 1000  
118     Cressa truxillensis key alkali weed Perennial herb 0 4000  
 
Crassulaceae Stonecrop Family
119     Crassula aquatica key aquatic pygmy-weed Annual herb 0 2000  
120     Crassula connata key pygmy-weed Annual herb 0 2500  
121     Crassula solieri key little pygmy-weed Annual herb 0 1640  
122     Dudleya lanceolata key lanceleaf dudleya Perennial herb 0 3500  
123     Dudleya pulverulenta key chalk lettuce Perennial herb 0 4921  
 
Datiscaceae Datisca Family
124     Datisca glomerata key Durango root Perennial herb 0 5500  
 
Elatinaceae Waterwort Family
125     Elatine brachysperma key short-seed waterwort Annual, Perennial herb 164 1640  
126     Elatine californica key California waterwort Annual, Perennial herb 0 5000  
127     Elatine chilensis key Chilean waterwort Annual, Perennial herb (aquatic) 0 9500  
 
Ericaceae Heath Family
128   1B.1 Arctostaphylos rainbowensis key Rainbow manzanita Shrub      
129     Xylococcus bicolor key mission manzanita Shrub 0 2132  
 
Euphorbiaceae Spurge Family
130     Chamaesyce albomarginata key rattlesnake weed Perennial herb 0 7546  
131     Euphorbia crenulata key Chinese caps Annual, Perennial herb 0 5000  
132     Euphorbia spathulata key warty spurge Annual herb 0 4000  
 
Fabaceae Legume Family
133     Amorpha californica key California false-indigo Shrub 0 7546  
134     Amorpha fruticosa key western false-indigo Shrub 0 3937  
135     Astragalus gambelianus key Gambel's dwarf milk-vetch Annual herb 50 2900  
136     Astragalus pomonensis key Pomona locoweed Perennial herb 164 2296  
137     Lathyrus vestitus var. alefeldii key San Diego pea Perennial herb 0 3937  
138     Lathyrus vestitus var. vestitus key wild sweetpea Perennial herb 0 4921  
139     Lotus hamatus key San Diego birdsfoot lotus Annual herb 0 1968  
140     Lotus humistratus key short-podded lotus Annual herb 0 6000  
141     Lotus scoparius var. scoparius key deerweed Perennial herb 0 4921  
142     Lotus strigosus key strigose lotus Annual herb 0 5000  
143     Lupinus bicolor ssp. microphyllus key dwarf lupine miniature lupine        
144     Lupinus concinnus key bajada lupine Annual herb 0 5577  
145     Lupinus excubitus var. hallii key bush lupine Shrub 0 4921  
146     Lupinus hirsutissimus key stinging lupine Annual herb 0 4593  
147     Lupinus microcarpus key white-whorled lupine Annual herb 0 5249  
148     Lupinus truncatus key collar lupine Annual herb 0 3000  
149 I   Medicago polymorpha key California burclover Annual herb 0 4921  
150 I   Medicago sativa key alfalfa Perennial herb 0 4921  
151 I   Melilotus indicus key sourclover        
152     Trifolium albopurpureum key Indian clover Annual herb 0 4265  
153     Trifolium ciliolatum key tree clover Annual herb 0 5000  
154     Trifolium depauperatum var. truncatum key balloon clover Annual herb 0 2624  
155     Trifolium gracilentum key graceful clover Annual herb 0 5905  
156 I   Trifolium hirtum key rose clover Annual herb 0 6758  
157     Trifolium microcephalum key small-head field clover Annual herb 0 8500  
158     Trifolium variegatum key variegated clover Annual herb 0 8200  
 
Fagaceae Oak Family
159     Quercus agrifolia key coast live oak Tree 0 4921  
160     Quercus berberidifolia key scrub oak Tree 984 4922  
161   4.2 Quercus engelmannii key Engelmann oak Tree      
 
Garryaceae Silk Tassel Family
162     Garrya veatchii key canyon silktassel Shrub 820 5741  
 
Gentianaceae Gentian Family
163     Centaurium venustum key canchalagua Annual herb 0 9000  
 
Geraniaceae Geranium Family
164 I   Erodium brachycarpum key short-fruited filaree Annual herb 0 3281  
165 I   Erodium cicutarium key redstem filaree Annual herb 0 6000  
166     Geranium carolinianum key Carolina geranium Annual herb 0 5000  
167 I   Geranium dissectum key cut-leaved geranium Annual herb 0 3937  
 
Grossulariaceae Gooseberry Family
168     Ribes indecorum key white-flowering currant Shrub 0 6562  
169     Ribes malvaceum var. malvaceum key chaparral currant Shrub 0 2624  
 
Hydrophyllaceae Waterleaf Family
170     Eriodictyon crassifolium key thick-leaved yerba santa Shrub 98 8202  
171     Nemophila pedunculata key meadow nemophila Annual herb 0 5000  
172     Phacelia cicutaria var. hispida key caterpillar phacelia Annual herb 0 4593  
173     Phacelia minor key wild canterbury bells Annual herb 0 5249  
 
Lamiaceae Mint Family
174     Monardella hypoleuca ssp. hypoleuca key white-leaf monardella Perennial herb      
175     Salvia apiana key white sage Shrub      
176     Salvia mellifera key black sage Shrub      
177   1B.2 Satureja chandleri key San Miguel savory Perennial herb      
178   1B.2 Scutellaria bolanderi ssp. austromontana key southern skullcap Perennial herb (rhizomatous)      
179     Scutellaria tuberosa key common skullcap Perennial herb 0 5000  
180     Stachys ajugoides var. rigida key rigid hedge-nettle Perennial herb 0 8000  
181     Trichostema lanceolatum key vinegar weed Annual herb 0 3500  
 
Limnanthaceae Meadowfoam Family
182   1B.2 Limnanthes gracilis ssp. parishii key Parish's meadowfoam Annual herb      
 
Linaceae Flax Family
183     Hesperolinon micranthum key small-flower western flax Annual herb 0 5500  
 
Loasaceae Loasa Family
184     Mentzelia veatchiana key Veatch's blazing star Annual herb 1312 6233  
 
Lythraceae Loosestrife Family
185     Ammannia coccinea key red ammannia Annual herb 0 984  
186 I   Lythrum hyssopifolia key grass poly        
 
Malvaceae Mallow Family
187     Malvella leprosa key alkali mallow Perennial herb 0 6000  
188     Sidalcea malviflora key checkerbloom        
 
Molluginaceae Carpetweed Family
189 I   Glinus lotoides key lotus sweetjuice Annual herb 0 3280  
 
Myrtaceae Myrtle Family
190 I   Eucalyptus polyanthemos key silver dollar gum Tree 0 656  
 
Oleaceae Olive Family
191 I   Olea europaea key olive Tree, Shrub 0 656  
 
Onagraceae Evening Primrose Family
192     Camissonia bistorta key southern suncup Annual herb 0 1968  
193     Camissonia californica key California suncup Annual herb 0 5000  
194     Camissonia hirtella key field sun-cup Annual herb 0 3000  
195     Camissonia ignota key Jurupa Hills sun-cups Annual herb 328 3608  
196     Camissonia strigulosa key strigose sun-cup Annual herb 0 6889  
197     Clarkia epilobioides key canyon clarkia Annual herb 0 3280  
198     Clarkia purpurea ssp. quadrivulnera key purple clarkia Annual herb 0 1640  
199     Clarkia similis key Ramona clarkia Annual herb 0 3280  
200     Epilobium brachycarpum key autumn willowweed Annual herb 0 7500  
201     Epilobium canum ssp. latifolium key mountain California-fuchsia Perennial herb 1640 9842  
202     Epilobium ciliatum ssp. ciliatum key willowherb Perennial herb 0 13451  
203     Epilobium densiflorum key spike primrose Annual herb 0 8500  
 
Paeoniaceae Peony Family
204     Paeonia californica key California peony Perennial herb 656 4921  
 
Papaveraceae Poppy Family
205     Eschscholzia californica key California poppy Annual, Perennial herb 0 6561  
206     Meconella denticulata key small-flowered meconella Annual herb 0 3280  
207     Platystemon californicus key