Placerita Canyon County Park Flora: A Check List

Bob Muns, April 2001


#, Latin Name Common Name Life
Form
Intro
sp*
Flower
Period
Habitat /
Plant Community

Ferns and Fern Allies

Dryopteridaceae Woodfern Family
1 Cystopteris fragilis Brittle Fern P - shaded moist pl, streamsides
2 Dryopteris arguta Woodfern P - open, wooded slopes, <8000'
 
Equisetaceae Horsetail Family
3 Equisetum sp. Horsetail P - moist places
 
Polypodiaceae Polypody Family
4 Polypodium californicum California Polypody P 1-5 shaded places, cliffs, bluffs, rocks
 
Pteridaceae Fern Family
5 Adiantum capillus-veneris Venus Hair Fern P - shaded rock, moist banks
6 Adiantum jordanii Maiden Hair Fern P - shaded hillsides, moist woods
7 Cheilanthes covillei Bead Fern P - crevices, bases of rocks
8 Pellaea andromedifolia Coffee Fern P 1-4 rocky or dry areas
9 Pellaea mucronata Bird's Foot Fern P - rocky or dry areas
10 Pentagramma triangularis Goldback Fern P 12-4 shaded slopes or rocky areas
 
Selaginellaceae Spike Moss Family
11 Selaginella bigelovii Spike-Moss P - open sites, rocks, shrublands
 

Conifers

Pinaceae Pine Family
12 Pseudotsuga macrocarpa Big Cone Spruce T - scattered on slopes, 1000-8000'
 

Dicots

Aceraceae Maple Family
13 Acer macrophyllum Big Leaf Maple T 4-5 streambanks, canyons, <5000'
 
Amaranthaceae Amaranthus Family
14 Amaranthus albus Pigweed *A 5-10 weed of waste places, roadsides, fields
15 Amaranthus sp. Amaranth A - waste places
 
Anacardiaceae Sumac Family
16 Rhus ovata Sugar Bush S 3-5 canyons, Ch, <4300'
17 Rhus trilobata Squaw Bush S 3-4 slopes, washes, shrublands
18 Toxicodendron diversilobum Poison Oak S 4-5 canyons, slopes, Ch, OW, <5200'
 
Apiaceae Carrot Family
19 Lomatium dasycarpum Woolly Lomatium P 3-6 dry ridges, <5000'
20 Lomatium utriculatum Hog Fennel P 3-4 open grassy slopes and meadows, woodlands
21 Osmorhiza brachypoda Sweet-Cicely P 3-5 shaded pl, <5500', OW, YPF
22 Sanicula arguta Snake Root P 3-4 open grassy or rocky slopes, <2000'
23 Sanicula crassicaulis Pacific Sanicle P 3-5 open slopes, ravines, woodlands
24 Tauschia arguta Tauschia P 4-6 Ch, OW
 
Asclepiadaceae Milkweed Family
25 Asclepias californica California Milkweed P 4-7 flats, grassy, brushy slopes
26 Asclepias fascicularis Narrow-Leaf Milkweed P 6-8 dry places, valleys, foothills
 
Asteraceae Sunflower Family
27 Acourtia microcephala Perezia P 6-8 dry slopes, Ch, <4000'
28 Agoseris sp. Mountain Dandelion - - Ch
29 Ambrosia acanthicarpa Annual Bur-Sage A 8-11 weedy places, dry stream bottoms
30 Ambrosia psilostachya Western Ragweed P 7-11 weedy pl, Ch, CSS, <2500'
31 Artemisia californica California Sagebrush S 8-12 Ch, CS, CSS, <2500'
32 Artemisia douglasiana Mugwort P 6-10 open to shady places, often in drainages
33 Artemisia tridentata Basin Sagebrush S 8-10 dry slopes and plains, Ch, YPF, PJW
34 Baccharis pilularis Coyote Brush S 8-12 hillsides, canyons, CSS, CS, <2500'
35 Baccharis salicifolia Mule Fat S most along water courses, <3500'
36 Brickellia californica California Brickellbush S 8-10 dry washes, slopes, Ch, CSS, <8000'
37 Brickellia nevinii Nevin's Brickellbush SS 9-11 dry slopes and washes, Ch, CSS, 800-5500'
38 Centaurea melitensis Yellow Star Thistle *A 5-6 weed of waste pl, roadsides, etc.
39 Chaenactis artemisiifolia White Pincushion A 4-7 dry slopes, disturbed places, burns
40 Chaenactis glabriuscula Yellow Pincushion A 3-7 Ch, VG
41 Chamomilla suaveolens Pineapple Weed *A 5-8 disturbed places
42 Chrysothamnus sp. Rabbitbrush S - dry benches, MCF, PJW, SS
43 Cirsium occidentale var. californicum California Thistle B 4-7 often disturbed places, woodland, Ch
44 Cirsium occidentale var. occidentale Cobwebby Thistle B 4-7 grassy, brushy places, Ch, CSS, CS
45 Conyza bonariensis Little Horseweed *A 6-8 weed of waste places
46 Conyza canadensis Horseweed A 6-9 weed of waste places
47 Cotula australis Australian Brassbutton *A 1-5 weedy places, <1000'
48 Ericameria palmeri Palmer's Goldenbush S 8-12 dry plains, CSS, <2500'
49 Ericameria parishii var. parishii Parish's Goldenbush S 7-10 dry slopes, 1500-7000', Ch
50 Ericameria pinifolia Pine Bush S 4-7,
9-1
dry fans and banks, <5500', Ch, CSS, OW
51 Erigeron foliosus Fleabane Aster P 5-7 grassy or brushy places, Ch, YPF, OW
52 Eriophyllum confertiflorum Golden Yarrow SS 4-8 dry sl and washes, CSS, Ch
53 Filago californica California Filago A 3-6 dry pl, burns, <3500', Ch, CSS
54 Gnaphalium bicolor Everlasting P 1-5 dry pl, <2500', CSS, Ch
55 Gnaphalium californicum California Everlasting A/B 1-7 dry hills, disturbed places, <4500'
56 Gnaphalium canescens ssp. microcephalum Felt-Leaf Everlasting B/P 7-10 dry, open places, <4000', Ch
57 Gnaphalium sp Cudweed A - disturbed places
58 Gutierrezia sp. Matchweed SS - Ch, VG
59 Hazardia squarrosa Saw-Tooth Goldenbush S 7-10 dry sl, <4500', Ch, CSS
60 Helianthus annuus Common Sunflower A/B 2-10 roadsides and waste places
61 Helianthus gracilentus Slender Sunflower P 5-10 dry sl, <6000', Ch, YPF
62 Heterotheca grandiflora Telegraph Weed A most weedy roadsides, Ch, CSS
63 Heterotheca sessiliflora ssp. sessiliflora Golden Aster SS 7-11 dry pl, <6500', Cs, CSS, VG
64 Hypochaeris glabra Smooth Cat's-Ear *A 3-6 weed of waste places, fields
65 Lasthenia californica Goldfields A 2-6 dry open places, <3000', CSS, VG
66 Layia platyglossa Tidy Tips A 3-5 grassy slopes, <4000', Ch, CSS, VG
67 Lepidospartum squamatum Scale Broom S 8-10 dry washes, stream terraces
68 Lessingia filaginifolia Cudweed Aster SS 7-11 Ch, CSS, OW
69 Madia gracilis Tarweed A 4-8 grassy pl, woodland, forests
70 Malacothrix saxatilis Cliff Aster P most open places, roadcuts, Ch, CSS etc.
71 Micropus californicus Cottonweed A 4-6 dry or moist places, <5000'
72 Rafinesquia californica California Chicory A 4-7 burns and disturbed places
73 Senecio californicus California Butterweed A 3-5 dry open places, <3500', Ch, etc.
74 Senecio flaccidus var. douglasii Bush Senecio S 6-10 washes, dry stream beds, <6000'
75 Senecio vulgaris Common Groundsel *A most weed of gardens and waste places
76 Solidago californica California Goldenrod P 7-10 dry or moist places, <8000'
77 Sonchus oleraceus Sow Thistle *A most weed of waste places, etc.
78 Stephanomeria cichoriacea Tejon Milk-Aster P 8-10 rocky slopes and canyons, <6000'
79 Stephanomeria virgata Wand Chicory A 7-10 dry, open slopes, <7000'
80 Tetradymia comosa Horsebrush S 6-9 CSS, Ch, SS
81 Uropappus lindleyi Silver Puffs A 4-6 open grassy pl, woods, Ch
82 Xanthium strumarium Cocklebur A 7-10 disturbed areas, <1500'
 
Betulaceae Birch Family
83 Alnus rhombifolia White Alder T 1-4 along permanent streams, <6500'
 
Boraginaceae Borage Family
84 Amsinckia menziesii var. intermedia Fiddleneck A 3-6 grassy or open pl, <5000'
85 Amsinckia menziesii var. menziesii Small-Flowered Fiddleneck A 4-6 grassy or open pl, <5000'
86 Cryptantha intermedia White Forget-Me-Not A 3-7 common in cis, <3000'
87 Cryptantha muricata Popcorn Flower A 4-6 open areas, <9000'
88 Pectocarya penicillata Comb Bur A 3-5 dry sandy and gravelly places, <4500'
89 Plagiobothrys nothofulvus Popcorn Flower A 3-5 grassy fields and hillsides, <2500'
90 Plagiobothrys sp. Popcorn Flower A - Ch, VG
 
Brassicaceae Mustard Family
91 Arabis sparsiflora Sicklepod Rock Cress A 2-5 dry slopes, 2500-6000', Ch, FW, YPF
92 Brassica nigra Black Mustard *A 4-7 dry grassy hills, disturbed pl
93 Capsella bursa-pastoris Shepherd's Purse *A most weed of disturbed pl, <7000'
94 Erysimum capitatum Wallflower B 3-7 dry places, <8000', Ch, etc.
95 Hirschfeldia incana Mediterranean Mustard *A/B 5-10 weed of waste pl, roadsides, etc.
96 Lepidium nitidum Peppergrass A 2-5 open places, <3000', Ch, CSS, VG
97 Raphanus sativus Wild Radish *A 2-7 weed in waste places, fields
98 Sisymbrium altissimum Tumbling Mustard *A 5-7 weed in waste pl, <7000'
99 Sisymbrium officinale Hedge Mustard *A 4-7 weed of waste places and waysides
100 Sisymbrium orientale Oriental Mustard *A 4-6 weed of roadsides etc.
101 Thysanocarpus curvipes Lace-Pod A 3-5 grassy or brushy slopes, Ch, VG, FW
102 Thysanocarpus laciniatus Fringe-Pod A 3-5 grassy slopes, <3500', Ch, CSS, VG
103 Tropidocarpum gracile Dobie Pod A 3-5 grassy sl, open pl, <3500'
 
Cactaceae Cactus Family
104 Opuntia sp. Prickly Pear S - Ch, CSS, VG, YPF
 
Caprifoliaceae Honeysuckle Family
105 Lonicera interrupta Chaparral Honeysuckle S 5-7 dry slopes, 1000-6000', Ch, YPF
106 Lonicera subspicata Southern Honeysuckle S 6-7 dry slopes, <3000', Ch
107 Sambucus mexicana Elderberry S/T 3-9 open flats, valleys, Ch, OW, CSS
108 Symphoricarpos mollis Snowberry S 4-6 shaded slopes, <5000', Ch, OW
 
Caryophyllaceae Pink Family
109 Cerastium glomeratum Mouse-Ear Chickweed A 2-5 waste pl, along roads, etc.
110 Minuartia douglasii Douglas sandwort A 4-6 Ch, OW, <7000'
111 Silene californica California Indian Pink P - Ch, OW, MCF, <7000'
112 Silene laciniata ssp. major Indian Pink P 5-7 slopes, <5000', Ch, CSS, CS
113 Stellaria media Chickweed *A 2-9 weed in shaded places
 
Chenopodiaceae Goosefoot Family
114 Atriplex lentiformis Quail Brush S 7-10 alkaline pl, VG, CSS
115 Atriplex rosea Annual Saltbush *A 7-10 alkaline pl, <7000'
116 Atriplex semibaccata Australian Saltbush *P 4-12 saline waste pl, roadsides, etc.
117 Chenopodium album Lamb's Quarters *A 6-10 weed in waste pl, <6000'
118 Chenopodium ambrosioides Mexican Tea *P 6-10

weed in waste places

119 Chenopodium botrys Jerusalem Oak *A 6-10 weedy places, <7000'
120 Chenopodium californicum California Chenopody P 3-6 Ch, CSS etc., <5000'
121 Chenopodium murale Nettle-Leaved Goosefoot *A most weed of disturbed places
122 Chenopodium sp. Annual Chenopodium A - -
123 Salsola tragus Russian Thistle *A 7-10 disturbed places, <9000'
 
Cistaceae Rock Rose Family
124 Helianthemum scoparium Wild Rock Rose SS 3-6 dry slopes and ridges, CSS, Ch, <4000'
 
Convolvulaceae Morning Glory Family
125 Calystegia macrostegia Wild Morning Glory P 5-6 dry slopes, <3000', CSS, Ch
126 Convolvulus arvensis Bindweed *P 5-10 weed of fields and waste pl
 
Crassulaceae Stonecrop Family
127 Crassula connata Pygmy Weed A 2-5 parasitic on shrubs of Ch
128 Dudleya cymosa Liveforever P 5-6 dry rocky pl, Ch, FW, YPF
129 Dudleya lanceolata Lance-Leaf Liveforever P 5-7 dry slopes and banks, <3500'
130 Dudleya pulverulenta Chalk Liveforever P 5-7 rocky cliffs and canyons, <3000'
 
Cucurbitaceae Gourd Family
131 Cucurbita foetidissima Calabazilla P 6-8 sandy, gravelly pl, <2000', Ch, CSS
132 Marah macrocarpus Wild Cucumber P 1-4 dry places, <3000', CSS, Ch, OW
 
Cuscutaceae Dodder Family
133 Cuscuta sp. Dodder A - -
 
Datiscaceae Datisca Family
134 Datisca glomerata Durango Root P 5-7 dry stream beds, washes, <6500', Ch, YPF, FW
 
Ericaceae Heath Family
135 Arctostaphylos glandulosa Eastwood Manzanita S 1-4 dry sl, <6000', Ch, YPF
136 Arctostaphylos glauca Big Berry Manzanita S 12-3 dry slopes, <4500', Ch
 
Euphorbiaceae Spurge Family
137 Chamaesyce albomarginata Rattlesnake Weed P 4-11 dry sl, <4000', CSS, Ch
138 Eremocarpus setigerus Turkey Mullein A 5-10 dry open pl, <2500', CSS, VG, OW
 
Fabaceae Pea Family
139 Amorpha californica False Indigo S 5-7 dry sl, <7500', Ch, YPF, etc.
140 Astragalus trichopodus Locoweed P 2-6 brushy sl, <1100', CSS, Ch
141 Glycyrrhiza lepidota Wild Licorice P 5-7 patches in low, moist places, <4500'
142 Lathyrus odoratus Sweetpea *P 4-6 garden escape
143 Lathyrus vestitus Wild Sweetpea P 4-6 Ch, OW, coniferous forest
144 Lotus corniculatus Birdsfoot Lotus P 6-9 open disturbed areas <3500'
145 Lotus hamatus San Diego Lotus A 3-6 dry sl, <5000', Ch, CSS
146 Lotus purshianus var. purshianus Spanish Clover A 5-10 dry fields and disturbed pl, <7000'
147 Lotus scoparius Deerweed SS 3-8 dry slopes and fans, <5000', CSS, Ch
148 Lotus strigosus Strigose Lotus A 3-6 disturbed pl, <7500, Ch, etc.
149 Lupinus bicolor Miniature Lupine A 3-6 open or disturbed pl, VG, YPF, etc.
150 Lupinus formosus Summer Lupine A 4-8 dry, open places, CSS, Ch
151 Lupinus hirsutissimus Stinging Lupine A 3-5 dry areas, burns, <4000', Ch
152 Lupinus latifolius Giant Lupine P 4-7 moist areas, Ch, MCF, etc.
153 Lupinus microcarpus var. densiflorus White Whorled Lupine A 4-5 grasslands, <2500', Ch, VG, CSS
154 Lupinus succulentus Arroyo Lupine A 2-5 grassy pl, <2000', MC
155 Lupinus truncatus Truncate Lupine A 3-5 open grassy pl, burns, Ch, etc.
156 Medicago polymorpha Bur Clover *A 3-6 grassy, disturbed places
157 Medicago sativa Alfalfa *P 4-10 waste pl, along roadsides
158 Melilotus alba White Sweet Clover *A 5-9 waste and damp places
159 Melilotus indica Sour Clover *A 4-10 waste and disturbed places
160 Robinia pseudoacacia Black Locust *S 5-6 roadsides, stream banks
161 Spartium junceum Spanish Broom *S 4-6 dry waste places, roadcuts
162 Trifolium ciliolatum Tree Clover A 3-6 open grassy slopes, <5000'
163 Trifolium willdenovii Tomcat Clover A 3-6 disturbed, moist places
 
Fagaceae Oak Family
164 Quercus agrifolia Coast Live Oak T 3-4 valleys, slopes, <3000', OW, FW, MEF
165 Quercus berberidifolia Scrub Oak S 3-5 dry slopes, Ch, 1000-5000'
166 Quercus chrysolepis Canyon Oak T 4-5 canyons, shaded slopes, Ch, MEF
167 Quercus wislizenii Interior Live Oak T 3-5 interior canyons, sl, Ch, FW
 
Geraniaceae Geranium Family
168 Erodium botrys Big Beak Filaree *A 3-5 dry, open or disturbed pl, <3000'
169 Erodium cicutarium Red Stem Filaree *A 2-5 open, disturbed places, statewide, <6500'
170 Erodium moschatum White Stem Filaree *A 2-5 open disturbed pl, <5000'
 
Grossulariaceae Gooseberry Family
171 Ribes aureum Golden Currant S 2-4 many habitats, <8000'
172 Ribes malvaceum Chaparral Currant S 10-3 dry pl, Ch, OW, <5000'
173 Ribes speciosum Fuchsia-Flowered Gooseberry S 1-5 shaded canyons, Ch, CSS, <1500'
 
Hydrophyllaceae Phacelia Family
174 Emmenanthe penduliflora Whispering Bells A 4-7 dry, open sl, common after fires
175 Eriodictyon crassifolium Yerba Santa S 4-6 dry sl, roadsides, washes, <6000'
176 Eucrypta chrysanthemifolia Eucrypta A 3-6 canyons, Ch, <3000', after fires
177 Nemophila menziesii Baby Blue Eyes A 2-6 meadows, woodlands, etc., <6000'
178 Nemophila pedunculata Meadow Nemophila A 4-8 moist pl, shaded, FW, <7000'
179 Phacelia cicutaria Caterpillar Phacelia A 3-5 rocky pl, <4000', VG, OW
180 Phacelia distans Fern-Leaf Phacelia A 3-6 fields, slopes, MC, <6500'
181 Phacelia ramosissima Branching Phacelia P 5-8 Ch, YPF
182 Phacelia sp. Mountain Phacelia P - open places, Ch
 
Juglandaceae Walnut Family
183 Juglans californica Calif. Black Walnut T 4-5 slopes, canyons, <3000', woodlands
 
Lamiaceae Mint Family
184 Lamium amplexicaule Dead Nettle *A 4-9 disturbed pl, widespread, <1150'
185 Marrubium vulgare Horehound *P 4-8 disturbed pl, widespread, <1100'
186 Monardella lanceolata Mustang Mint A 5-8 open rocky pl, Ch, OW, <8000'
187 Salvia apiana White Sage S 4-7 dry slopes, CSS, Ch, YPF, <5000'
188 Salvia columbariae Chia A 3-6 dry open places, CSS, Ch, <4000'
189 Salvia leucophylla Purple Sage S 5-7 dry open hills, CSS, Ch, <2500'
190 Salvia mellifera Black Sage S 4-7 dry slopes and benches, CSS, Ch, <4000'
191 Scutellaria tuberosa Skullcap A 4-5 dry openings, Ch, FW, <2000'
192 Stachys albens White Hedge Nettle P 5-10 wet to seepy places, <9000'
193 Trichostema lanatum Wooly Blue Curls S 5-8 dry slopes, <4500', Ch, CSS
194 Trichostema lanceolatum Vinegar Weed A 8-10 dry open pl, <3500', CSS, Ch
 
Lauraceae Laurel Family
195 Umbellularia californica California Bay S/T 12-5 canyons, valleys, <5000', Ch, FW
 
Loasaceae Stick-Leaf Family
196 Mentzelia micrantha Blazing Star A 4-5 open, often disturbed places, Ch, FW
 
Malvaceae Mallow Family
197 Malva parviflora Round Leaf Mallow *A most weed of disturbed pl, <5000'
 
Nyctaginaceae 4-O'Clock Family
198 Mirabilis californica Wish Bone Plant P 12-6 grassy areas, Ch, dunes, <3000'
 
Oleaceae Olive Family
199 Fraxinus dipetala Flowering Ash S/T 4-5 canyons, sl, Ch, FW, <3500'
 
Onagraceae Ev. Primrose Family
200 Camissonia bistorta Southern Suncups A 3-6 openings in CSS and Ch
201 Camissonia californica Mustard Suncups A 4-5 open pl, CSS, Ch, desert scrub
202 Camissonia ignota Suncups A 3-5 CSS, Ch, <3500'
203 Camissonia micrantha Mini Suncups A 3-5 washes, sandy fields, coastal dunes
204 Camissonia pusilla Dwarf Contorted Primrose A 5-6 sandy soils, sagebrush scrub
205 Clarkia bottae Clarkia A 4-6 openings in Ch, OW, CSS
206 Clarkia purpurea Wine Cup Clarkia A 4-7 grassy or shrubby pl, <2000'
207 Clarkia unguiculata Elegant Clarkia A 5-6 often shaded pl, Ch, VG, CS
208 Epilobium canum ssp. canum California Fuchsia SS 8-10 dry slopes, ridges, <2000'
209 Epilobium canum ssp. latifolium Humming Bird Trumpet SS 8-9 dry slopes, <10,000', MCF, etc.
 
Orobanchaceae Broom-Rape Family
210 Orobanche bulbosa Broom-Rape P 4-7 on Adenostema, <5000'
 
Paeoniaceae Peony Family
211 Paeonia californica California Peony P 1-3 brushy pl, <4000', Ch, CSS, OW
 
Papaveraceae Poppy Family
212 Dicentra chrysantha Golden Ear Drops P 4-9 burns, disturbed pl, Ch, OW, YPF
213 Meconella denticulata Meconella A 3-5 shaded canyons, <3300', Ch, CSS
214 Papaver californicum Fire Poppy A 4-5 burns, disturbed pl, Ch, OW
 
Plantaginaceae Plantain Family
215 Plantago erecta California Plantain A 3-5 dry open pl, <2500', CSS, Ch, VG
216 Plantago lanceolata English Plantain *P 4-8 weed of wet places
217 Plantago major Common Plantain *P 4-9 weed of damp waste places
 
Platanaceae Sycamore Family
218 Platanus racemosa Western Sycamore T 2-4 along stream beds, <4000'
 
Polemoniaceae Phlox Family
219 Eriastrum sp. Wool Star A - open places, Ch, CSS
220 Gilia angelensis Angel Gilia A 3-5 CSS, Ch, YPF, <6300'
221 Gilia sp. Gilia A - open grassy places
222 Leptodactylon californicum Prickly Phlox SS 3-6 dry slopes and banks, <5000', Ch, FW
223 Linanthus androsaceus False Baby Stars A 4-5 dry sl, <5000', Ch, FW
224 Navarretia atractyloides Skunkweed A 5-7 dry pl, <2000', CSS, Ch
 
Polygonaceae Buckwheat Family
225 Chorizanthe staticoides Turkish Rugging A 4-7 dry slopes and flats, <6500', CSS, Ch
226 Chorizanthe sp. Spiny Herb A - open places
227 Eriogonum elongatum var. elongatum Wand Buckwheat P 8-11 dry pl, <6000', Ch, CSS
228 Eriogonum fasciculatum Calif. Wild Buckwheat S most Ch, CSS
229 Eriogonum gracile Annual Buckwheat A 7-10 dry washes, mesas, <6000', Ch, CSS
230 Eriogonum sp. Buckwheat P - Ch
231 Polygonum arenastrum Knotweed *A 8-10 disturbed places, <8000'
232 Pterostegia drymarioides Thread Stem A 3-7 shady, often moist pl, <5000'
233 Rumex crispus Curly Dock *P most disturbed places, <8000'
234 Rumex sp. Dock P - -
 
Portulacaceae Purslane Family
235 Calandrinia ciliata Red Maids A 2-5 grassy pl, <6500', VG, OW
236 Claytonia perfoliata Miner's Lettuce A 2-5 Ch, CSS, OW
 
Ranunculaceae Buttercup Family
237 Clematis lasiantha Virgin's Bower S 3-6 hillsides, canyons, near streams, Ch, woods
238 Delphinium patens Blue Larkspur P 4-6 grassland, woodlands, forest, <9000'
239 Thalictrum fendleri var. polycarpum Meadow Rue P 5-8 moist open to shaded pl, Ch, OW
 
Rhamnaceae Buckthorn Family
240 Ceanothus crassifolius Hoary-Leaf Ceanothus S 1-4 dry slopes and fans, <3500', Ch, CSS
241 Ceanothus leucodermis Chaparral Whitethorn S 4-6 dry rocky sl, <6000', Ch, OW
242 Ceanothus oliganthus Hairy-Leaf Ceanothus S 2-4 dry slopes, <4500', Ch
243 Rhamnus crocea Red Berry S 3-4 dry washes and canyons, Ch, CSS, <3000'
244 Rhamnus ilicifolia Holly-Leaf Red Berry S 3-6 dry slopes, <5000', Ch, YPF
 
Rosaceae Rose Family
245 Adenostoma fasciculatum Chamise S 5-6 dry slopes and ridges, <5000', Ch
246 Cercocarpus betuloides Mountain Mahogany S 3-4 dry sl & washes, <6000', Ch
247 Heteromeles arbutifolia Toyon S/T 6-7 Ch, <4000'
248 Potentilla sp. Cinquefoil P - dry to damp open pl, <7000'
249 Prunus ilicifolia Holly-Leaf Cherry S 4-5 Ch, <5000'
250 Rosa californica Wild Rose S 5-8 moist places, canyons, near streams, <6000'
251 Rubus ursinus Black Berry S 3-7 canyons, waste pl, <3000'
 
Rubiaceae Coffee Family
252 Galium angustifolium Shrubby Bedstraw SS 4-6 dry rocky places, <8000', Ch
253 Galium aparine Cleavers A 3-7 shaded banks, <7500'
254 Galium nuttallii Shrubby Bedstraw SS 3-6 dry slopes, CSS, Ch
 
Salicaceae Willow Family
255 Populus balsamifera ssp. trichocarpa Black Cottonwood T 2-4 along streams, <6000'
256 Populus fremontii ssp. fremontii Fremont Cottonwood T 3-4 moist places, <6500', Rp
257 Salix exigua Sandbar Willow S 3-5 wet places, <8000', Rp
258 Salix laevigata Red Willow S/T 3-5 along streams, <5000'
259 Salix lasiolepis Arroyo Willow S 2-4 along streams, <7000'
 
Saxifragaceae Saxifrage Family
260 Boykinia rotundifolia Boykinia P 6-7 wet pl, in canyons, <6000'
261 Lithophragma heterophyllum Woodland Star A 3-6 OW, FW, <4500'
262 Saxifraga californica California Saxifrage A 2-6 shaded grassy banks, <4000'
 
Scrophulariaceae Snapdragon Family
263 Antirrhinum coulterianum White Snapdragon A 4-7 dry places, burns, <5000', Ch, CSS
264 Antirrhinum kelloggii Twining Snapdragon A 3-5 dry slopes, burns, <2000', Ch
265 Antirrhinum multiflorum Pink Snapdragon P 5-7 Ch, dry slopes, <4000'
266 Antirrhinum nuttallianum Purple Snapdragon A 3-7 CSS, Ch, dry slopes, <2500'
267 Castilleja exserta Owl's Clover A 3-5 grassy slopes, <3000', VG, CSS
268 Castilleja minor Lesser Indian Paintbrush A - wet places
269 Castilleja sp. Indian Paintbrush P - Ch, OW
270 Collinsia heterophylla Chinese Houses A 3-7 ± shaded places, <2500', VG, OW, etc.
271 Collinsia parryi Blue-Eyed Mary A 3-6 disturbed places, burns, Ch
272 Cordylanthus rigidus ssp. setigerus Bird's Beak A 5-8 Ch, OW, CSS, <6500'
273 Keckiella cordifolia Heart-Leaf Penstemon S 5-7 dry slopes and canyons, Ch
274 Mimulus aurantiacus Bush Monkey Flower SS 3-7 CSS, Ch, dry slopes, <5000'
275 Mimulus brevipes Yellow Monkey Flower A 4-6 dry places, <5000', Ch, CSS
276 Mimulus cardinalis Scarlet Monkey Flower A 4-10 stream banks, seeps, <8000'
277 Mimulus floribundus Slimy Monkey Flower A 4-8 moist places, <8000', cis
278 Mimulus pilosus Downy Monkey Flower A 4-9 moist places, <8500'
279 Penstemon centranthifolius Scarlet Bugler P 4-7 dry disturbed places, Ch, <6500'
280 Penstemon heterophyllus Foothill Penstemon P 4-7 Ch, FW, YPF, <5500'
281 Penstemon sp. Penstemon P - Ch, OW
282 Scrophularia californica California Bee Plant A 3-5 dry to moist places, CSS, Ch
283 Veronica sp. Speedwell A - wet or moist places
 
Solanaceae Nightshade Family
284 Datura wrightii Jimson Weed P 4-10 CSS, VG, etc., cis & desert
285 Nicotiana glauca Tree Tobacco *S/T 3-10 waste pl, on burns, <3000'
286 Solanum douglasii White Nightshade SS most partly shaded slopes, CSS, Ch, etc.
287 Solanum xanti Purple Nightshade SS 2-6 Ch, FW, <4000'
 
Tamaricaceae Tamarisk Family
288 Tamarix sp. Tamarisk *S/T - -
 
Urticaceae Nettle Family
289 Hesperocnide tenella Black-Hair Nettle A 4-6 shaded slopes, CSS, Ch
290 Urtica dioica Stinging Nettle P 6-9 low damp pl, <9000', MC
 
Verbenaceae Vervain Family
291 Verbena lasiostachys Vervain P 5-9 dry to moist places, <8000'
 
Violaceae Violet Family
292 Viola pedunculata Johnny-Jump-Up P 2-4 VG, CSS, grassy pl, <2500'
 
Viscaceae Mistletoe Family
293 Phoradendron macrophyllum Sycamore Mistletoe S - on Platanus, Populus, etc.
 
Vitaceae Grape Family
294 Vitis girdiana Wild Grape S 5-6 canyon bottoms, along streams
 
Zygophyllaceae Caltrop Family
295 Tribulus terrestris Puncture Vine *A 4-10 waste pl, along roadsides, etc.
 

Monocots

Cyperaceae Sedge Family
296 Carex sp. Sedge P - wet or moist places
297 Eleocharis sp. Spike-Rush P - marshes and wet places
 
Iridaceae Iris Family
298 Sisyrinchium bellum Blue Eyed Grass P 3-5 open, gen. moist grassy places
 
Juncaceae Rush Family
299 Juncus sp. Iris-Leaved Rush P - streambanks and meadows
300 Juncus sp. Pleated-Leaf Rush P - moist places
301 Juncus sp. Wire Grass P - moist places
 
Liliaceae Lily Family
302 Allium haematochiton Wild Onion P 3-5 Ch, CSS, VG, dry slopes, <2500'
303 Bloomeria crocea Golden Star P 4-6 Ch, CSS, VG, OW, dry flats, hillsides
304 Calochortus catalinae White Mariposa Lily P 3-5 VG, Ch, open grassy slopes, <2000'
305 Calochortus clavatus Yellow Mariposa Lily P 4-6 Ch, canyons, <2500'
306 Chlorogalum parviflorum Soap Lily P 5-6 VG, CSS, Ch, <2000'
307 Dichelostemma capitatum Blue Dicks P 3-5 Ch, CSS, OW, desert, grasslands
308 Lilium humboldtii Humboldt Lily P 6-7 Ch, OW, canyons, <3000'
309 Muilla maritima Muilla P 3-6 grasslands, Ch, woodlands
310 Yucca whipplei Chaparral Yucca S 4-6 dry slopes, Ch, CSS, 1000-4000'
311 Zigadenus fremontii White Star Lily P 3-5 VG, CSS, Ch, <3500'
 
Poaceae Grass Family
312 Agropyron sp. Wheat Grass P - Ch, YPF, dry slopes, <5000'
313 Avena barbata Slender Oats *A 3-6 weed of waste places, open slopes
314 Avena fatua Wild Oats *A 4-6 weed of waste places, open slopes
315 Bromus diandrus Rip Gut Brome *A 4-6 weed of waste places, open slopes
316 Bromus hordeaceus Soft Chess *A 4-7 weed of waste places, open slopes
317 Bromus madritensis ssp. rubens Red Brome *A 3-6 weed of disturbed, open pl
318 Bromus tectorum Cheat Grass *A 5-6 open disturbed places, mostly <3000'
319 Cynodon dactylon Bermuda Grass *P 6-8 waste and low places, forming tough sod
320 Hordeum murinum Foxtail Barley *A 4-5 weed of waste pl, <5000'
321 Lamarckia aurea Goldentop *A 2-5 weed of disturbed places
322 Leymus condensatus Giant Rye Grass P 6-8 CSS, Ch, OW
323 Lolium sp. Rye Grass *A - disturbed places and fields
324 Melica imperfecta Coast Range Melic P 4-5 CSS, Ch, OW, YPF
325 Piptatherum miliaceum Smilo *P 4-9 waste and disturbed places, low elevation
326 Poa annua Annual Bluegrass *A 1-7 weed of disturbed places, gardens
327 Polypogon monspeliensis Rabbitfoot Grass *A 4-8 moist places, along streams, ditches
328 Schismus barbatus Abu-Mashi *A 3-4 disturbed places, deserts
329 Stipa sp. Needlegrass P - Ch, CSS, OW
330 Vulpia sp. Fescue A - Ch, CSS, OW
 
Typhaceae Cat-tail Family
331 Typha sp. Cat-tail P - freshwater marsh

Abbreviations:
A = Annual
B = Biennial
P = Perennial Herb
SS = Subshrub
S = Shrub
T = Tree

* = Introduced Species
pl = Places
sl = Slopes
cis = Cismontane
Ch = Chaparral
CSS = Coastal Sage Scrub
CS = Coastal Strand

SS = Sagebrush Scrub
MCF = Montane Coniferous   Forest
YPF = Yellow Pine Forest
PJW = Pinyon Juniper Wood-
  land
Rp = Riparian
OW = Oak Woodland
FW = Foothill Woodland
VG = Valley Grassland
MEF = Mixed Evergreen   Forest
MC = Many Communities

Plant list digitized and blooming periods added from Munz A Flora of Southern California and A California Flora and Supplement by Michael Charters 10 September 2002.


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Copyright © 2002-2003 by Bob Muns and Michael Charters
Permission is freely granted to reproduce any or all of this page as long as credit is given to me at this source:
http://tchester.org/plants/muns/sgm/placerita_canyon.html
Comments and feedback: Tom Chester | Michael Charters, who will relay comments to Bob.
Last update: 19 February 2003