Flora of San Marcos Hills

Wayne Armstrong, 1973, 2003

This plant list covers the southern end of the San Marcos Mountains. Specifically, it includes

The original plant list was compiled by Wayne Armstrong in 1973, beginning after the fire of Spring, 1970, with two later Addenda, giving a total of 270 taxa. The list was digitized and names updated in accord with The Jepson Manual by Tom Chester on 5 March 2003. From a field trip by both authors on 8 March 2003, 12 taxa were added to the list; subspecies were determined for 11 species; and the identification was confirmed for another species.

The column Source in the table below gives the origin of each taxon, coded as follows:

ValueMeaning
1Taxon unchanged from original list
2Taxon name updated to the Jepson Manual system.
3Subspecies or variety dropped in the Jepson Manual.
8Conversion of taxon name to the Jepson Manual system ambiguous.
9Taxon added or refined in 2003

The column id? gives the further work that needs to be done for some taxa. The codes there are as follows: sp indicates that although the genera has been identified, there is uncertainty about the identification for the species; ssp indicates that the subspecies remains to be identified. A ? denotes where the updated name for a taxon has become ambiguous since that taxon became two separate species. Each of the possible new taxa are given below, and so marked. A ~ indicates a likely, but not 100% positive, id.

An asterisk before the common name indicates a taxon not-native to California.

# id? Latin Name (*)Common Name Source

Ferns and Fern Allies

AzollaceaeMosquito Fern Family
1 Azolla filiculoidesmosquito fern1
 
DryopteridaceaeWoodfern Family
2 Dryopteris argutaCalifornia wood fern1
 
PolypodiaceaePolypody Family
3 Polypodium californicumCalifornia polypody1
 
PteridaceaeFern Family
4 Adiantum jordaniiCalifornia maidenhair fern1
5 Cheilanthes newberryicotton fern1
6 Pellaea mucronata var. mucronatabird's-foot fern2
7sspPentagramma triangularisgold-back fern2
 
SelaginellaceaeSpike Moss Family
8 Selaginella bigeloviiBigelow's spike-moss1
 

Dicots

AmaranthaceaeAmaranth Family
9 Amaranthus albus*tumble pigweed1
10 Amaranthus retroflexus*red-rooted amaranth1
 
AnacardiaceaeSumac Family
11 Malosma laurinalaurel sumac2
12 Rhus integrifolialemonade berry1
13 Schinus molle*Peruvian pepper tree1
 
ApiaceaeCarrot Family
14 Apiastrum angustifoliumwild celery1
15 Daucus pusillusrattlesnake weed1
16 Eryngium aristulatum var. parishiiSan Diego button-celery9
17 Foeniculum vulgare*fennel1
18sspLomatium dasycarpumwoolly-fruited lomatium1
19 Sanicula argutasharp-toothed sanicle1
20 Sanicula bipinnatifidapurple sanicle1
21 Sanicula crassicaulisPacific sanicle1
22 Sanicula tuberosatuberous sanicle1
 
AsclepiadaceaeMilkweed Family
23 Asclepias fascicularisnarrow-leaf milkweed1
 
AsteraceaeSunflower Family
24 Achyrachaena mollisblow-wives1
25 Acourtia microcephalasacapellote2
26 Ambrosia psilostachyawestern ragweed1
27 Anthemis cotula*dog-fennel1
28 Artemisia californicaCalifornia sagebrush1
29 Baccharis pilulariscoyote bush1
30 Baccharis salicifoliamule fat2
31 Baccharis sarothroidesbroom baccharis1
32 Brickellia californicaCalifornia brickellbush1
33~Carduus pycnocephalus*Italian thistle9
34 Centaurea melitensis*tocalote1
35 Chaenactis artemisiifoliameally white pincushion1
36 Chaenactis glabriuscula var. glabriusculayellow pincushion2
37 Chamomilla suaveolens*pineapple weed2
38 Cichorium intybus*chicory1
39 Cirsium occidentale var. californicumCalifornia thistle2
40 Conyza bonariensis*little horseweed1
41 Conyza canadensishorseweed1
42 Cotula australis*Australian brass-buttons1
43 Cotula coronopifolia*brass-buttons1
44 Cynara cardunculus*artichoke thistle1
45 Encelia californicaCalifornia encelia1
46 Erigeron foliosus var. foliosusleafy daisy2
47 Eriophyllum confertiflorum var. confertiflorumgolden yarrow1
48 Filago californicaCalifornia filago1
49 Filago gallica*narrowleaf filago9
50 Gnaphalium bicolorbicolored everlasting1
51 Gnaphalium californicumCalifornia everlasting1
52 Gnaphalium canescens ssp. beneolensfragrant everlasting2
53 Hazardia squarrosa var. grindelioidessaw-toothed goldenbush92
54 Hedypnois cretica*Crete weed1
55~Helianthus annuusannual sunflower9
56 Hemizonia fasciculataslender tarweed1
57 Heterotheca grandifloratelegraph weed1
58sspHolocarpha virgatanarrow tarplant1
59 Hypochaeris glabra*smooth cat's ear1
60 Isocoma menziesii var. vernonioidescoastal goldenbush2
61 Lactuca serriola*prickly lettuce1
62 Lasthenia californicagoldfields2
63 Madia exiguameager tarweed1
64 Osmadenia tenellathree spot2
65 Pentachaeta aureagolden daisy2
66 Picris echioides*bristly ox-tongue1
67 Senecio vulgaris*common groundsel1
68 Silybum marianum*milk thistle1
69 Sonchus asper ssp. asper*prickly sow thistle1
70 Sonchus oleraceus*sow thistle1
71sspStephanomeria virgatatwiggy wreath plant1
72 Stylocline gnaphaloideseverlasting nest-straw1
73 Uropappus lindleyisilver puffs2
74 Venegasia carpesioidescanyon sunflower1
75 Xanthium strumariumcocklebur9
 
BerberidaceaeBarberry Family
76 Berberis pinnata ssp. pinnatashiny-leaf barberry1
 
BoraginaceaeBorage Family
77 Amsinckia menziesii var. intermediacommon fiddleneck2
78 Cryptantha intermediapopcorn flower1
79 Heliotropium curassavicumseaside heliotrope1
80 Pectocarya linearis ssp. feroculaslender pectocarya1
81 Plagiobothrys collinus var. californicusCalifornia popcorn flower2
 
BrassicaceaeMustard Family
82 Brassica nigra*black mustard1
83 Brassica rapa*field mustard2
84sspCaulanthus heterophyllusslender-pod jewelflower2
85 Guillenia lasiophyllaCalifornia mustard2
86 Hirschfeldia incana*shortpod mustard2
87 Lepidium lasiocarpum var. lasiocarpumhairy-podded pepper-grass1
88 Lepidium nitidum var. nitidumshining peppergrass91
89 Raphanus sativus*purple wild radish1
90 Sisymbrium irio*London rocket1
91 Sisymbrium orientale*Oriental mustard1
 
CactaceaeCactus Family
92 Opuntia littoraliscoast prickly-pear1
93 Opuntia XvaseyiVasey's prickly pear9
 
CampanulaceaeBellflower Family
94 Downingia cuspidatatoothed downingia1
95 Triodanis bifloraVenus looking-glass1
 
CaprifoliaceaeHoneysuckle Family
96 Sambucus mexicanablue elderberry1
 
CaryophyllaceaePink Family
97 Cerastium glomeratum*mouse-ear chickweed2
98 Silene gallica*windmill pink1
99 Spergula arvensis ssp. arvensis*stickwort1
100 Spergularia marinasalt marsh sand-spurry1
101 Spergularia villosa*hairy sand-spurrey1
102 Stellaria media*common chickweed1
 
ChenopodiaceaeGoosefoot Family
103 Atriplex semibaccata*creeping Australian saltbush1
104 Chenopodium album*white goosefoot1
105 Chenopodium ambrosioides*Mexican tea1
106 Chenopodium californicumCalifornia goosefoot1
107 Salsola tragus*Russian thistle2
 
CistaceaeRock-Rose Family
108 Helianthemum scopariumrockrose1
 
ConvolvulaceaeMorning Glory Family
109 Calystegia macrostegia ssp. aridasouthern California morning-glory2
110 Calystegia macrostegia ssp. intermediasouth coast morning-glory9
111 Calystegia macrostegia ssp. tenuifoliaSan Diego morning-glory9
 
CrassulaceaeStonecrop Family
112 Crassula connatapygmy-weed2
113 Dudleya pulverulenta ssp. pulverulentaCalifornia chalk lettuce9
 
CucurbitaceaeGourd Family
114 Marah macrocarpus var. macrocarpuswild-cucumber1
 
CuscutaceaeDodder Family
115sspCuscuta californicaCalifornia dodder1
 
EricaceaeHeath Family
116 Xylococcus bicolormission manzanita1
 
EuphorbiaceaeSpurge Family
117 Chamaesyce maculata*spotted spurge2
118 Chamaesyce polycarpasmall-seeded spurge2
119 Eremocarpus setigerusdove weed1
120 Euphorbia peplus*petty spurge1
121 Ricinus communis*castor bean9
122 Tetracoccus dioicusParry's tetracoccus1
 
FabaceaePea Family
123 Astragalus trichopodus var. lonchuscoast locoweed2
124 Lathyrus vestitus var. alefeldiiSan Diego pea2
125 Lotus scoparius var. scopariusdeerweed91
126 Lotus strigosusBishop's lotus1
127 Lupinus bicolordwarf lupine1
128 Lupinus hirsutissimusstinging lupine1
129 Lupinus longifoliuslong-leaf bush lupine1
130 Lupinus succulentusarroyo lupine91
131 Lupinus truncatuscollar lupine1
132 Medicago polymorpha*California burclover2
133 Melilotus indica*sourclover1
134 Trifolium repens*white clover1
135 Trifolium willdenoviitomcat clover2
136?Vicia hasseiHasse's vetch8
137?Vicia ludoviciana var. ludovicianaslim vetch8
 
FagaceaeOak Family
138 Quercus berberidifoliascrub oak2
 
GentianaceaeGentian Family
139 Centaurium venustumcanchalagua1
 
GeraniaceaeGeranium Family
140 Erodium botrys*long-beaked filaree1
141 Erodium cicutarium*redstem filaree1
142 Erodium moschatum*white-stemmed filaree1
143 Geranium carolinianumCarolina geranium1
 
GrossulariaceaeGooseberry Family
144 Ribes indecorumwhite-flowering currant1
145 Ribes speciosumfuchsia-flowered gooseberry1
 
HydrophyllaceaePhacelia Family
146sspEriodictyon crassifoliumthick-leaved yerba santa1
147 Eucrypta chrysanthemifolia var. chrysanthemifoliaeucrypta91
148 Nemophila maculatafive-spot1
149sspNemophila menziesiibaby blue eyes1
150 Phacelia cicutaria var. hispidacaterpillar phacelia1
151 Phacelia grandifloragiant-flowered phacelia1
152 Phacelia minorwild canterbury bells1
153 Phacelia parryiParry's phacelia1
154 Pholistoma auritum var. auritumfiesta flower91
155 Pholistoma racemosumSan Diego fiesta flower1
 
LamiaceaeMint Family
156 Marrubium vulgare*horehound1
157 Salvia apianawhite sage1
158 Salvia columbariaechia1
159 Salvia melliferablack sage1
160 Scutellaria tuberosacommon skullcap1
161 Stachys ajugoides var. rigidarigid hedge-nettle2
162 Trichostema lanceolatumvinegar weed1
 
LinaceaeFlax Family
163 Hesperolinon micranthumsmall-flower western flax1
 
MalvaceaeMallow Family
164 Malacothamnus fasciculatuschaparral bush mallow1
165 Malva parviflora*cheeseweed1
166 Sidalcea malvaeflora ssp. sparsifoliacheckerbloom91
 
MyrtaceaeMyrtle Family
167 Eucalyptus globulus*blue gum1
 
NyctaginaceaeFour-O'Clock Family
168 Mirabilis californicaCalifornia four o'clock2
 
OnagraceaeEvening Primrose Family
169 Camissonia bistortaCalifornia suncup1
170 Camissonia californicaCalifornia suncup1
171?Camissonia hirtellahairy sun-cups8
172?Camissonia ignotaJurupa Hills sun-cups8
173 Clarkia purpurea ssp. quadrivulnerapurple clarkia1
174 Clarkia unguiculataelegant clarkia1
175sspEpilobium ciliatum ssp. ciliatumwillowherb9
176sspOenothera elataevening-primrose1
 
OxalidaceaeOxalis Family
177 Oxalis albicans ssp. californicaCalifornia oxalis2
 
PaeoniaceaePeony Family
178 Paeonia californicaCalifornia peony1
 
PapaveraceaePoppy Family
179 Dicentra chrysanthaear drops1
180 Eschscholzia californicaCalifornia poppy1
181 Papaver californicumwestern poppy1
182 Platystemon californicuscream cups1
 
PlantaginaceaePlantain Family
183 Plantago erectaCalifornia plantain2
184 Plantago lanceolata*English plantain1
 
PolemoniaceaePhlox Family
185 Allophyllum glutinosumsticky false-gilia1
186 Eriastrum filifoliumlavender woolly-star1
187 Gilia angelensisangel's gilia1
188 Gilia capitata ssp. abrotanifoliaglobe gilia1
189 Linanthus dianthiflorusground pink1
190sspNavarretia hamatahooked skunkweed1
 
PolygonaceaeBuckwheat Family
191sspChorizanthe fimbriatafringed spineflower1
192 Eriogonum fasciculatum var. foliolosumCalifornia buckwheat91
193 Pterostegia drymarioidesthreadstem1
194 Rumex crispus*curly dock1
 
PortulacaceaePurslane Family
195 Calandrinia ciliatared maids1
196 Claytonia parviflora ssp. parvifloranarrow-leaved miner's lettuce92
 
PrimulaceaePrimrose Family
197 Anagallis arvensis*scarlet pimpernel1
198 Anagallis linifolia*blue pimpernel1
199 Dodecatheon clevelandii ssp. clevelandiishooting star91
 
RanunculaceaeButtercup Family
200spClematis paucifloravirgin's bower1
201 Delphinium cardinalescarlet larkspur1
 
RhamnaceaeBuckthorn Family
202 Ceanothus tomentosus var. olivaceusRamona lilac1
203 Rhamnus crocearedberry1
 
RosaceaeRose Family
204 Adenostoma fasciculatumchamise1
205 Cercocarpus minutiflorusSan Diego mountain mahogany1
206 Heteromeles arbutifoliatoyon1
 
RubiaceaeBedstraw Family
207 Galium aparinecommon bedstraw1
208 Galium nuttallii ssp. nuttalliiclimbing bedstraw2
 
RutaceaeRue Family
209 Cneoridium dumosumbushrue1
 
SalicaceaeWillow Family
210 Salix lasiolepisarroyo willow1
 
SaxifragaceaeSaxifrage Family
211 Jepsonia parryicoast jepsonia9
212 Lithophragma affinewoodland star1
 
ScrophulariaceaeSnapdragon Family
213 Antirrhinum coulterianumwhite snapdragon1
214sspAntirrhinum nuttallianumpurple snapdragon1
215 Castilleja affinis ssp. affiniscoast Indian paintbrush2
216 Castilleja exserta ssp. exsertapurple owl's clover92
217sspKeckiella antirrhinoideschaparral beard-tongue1
218 Keckiella cordifoliaheartleaf penstemon1
219 Linaria canadensis var. texanarough-seeded blue toad-flax1
220 Mimulus aurantiacusbush monkeyflower2
221 Mimulus brevipeswide-throated yellow monkeyflower1
222 Mimulus fremontiiFremont's monkeyflower1
223 Mimulus pilosusfalse monkeyflower1
224spPenstemon spectabilisshowy penstemon1
225 Scrophularia californica ssp. floribundaCalifornia bee plant91
 
SolanaceaeNightshade Family
226 Datura wrightiisacred datura2
227 Nicotiana glauca*tree tobacco1
228 Solanum douglasiiwhite nightshade1
229 Solanum elaeagnifolium*horse-nettle1
230 Solanum parishiiParish's purple nightshade1
 
UrticaceaeNettle Family
231sspParietaria hesperapellitory2
 
VerbenaceaeVervain Family
232sspPhyla nodifloracommon lippia2
233sspVerbena lasiostachyswestern vervain1
 
ViolaceaeViolet Family
234 Viola pedunculatajohnny jump-up1
 

Monocots

CyperaceaeSedge Family
235 Carex praegracilisclustered field sedge1
236 Cyperus eragrostisumbrella sedge1
237 Eleocharis macrostachyacommon spikerush1
 
IridaceaeIris Family
238 Sisyrinchium bellumblue-eyed grass1
 
LiliaceaeLily Family
239 Allium haematochitonred-skinned onion1
240 Allium praecoxearly onion1
241 Asphodelus fistulosus*onionweed1
242 Bloomeria croceagoldenstar1
243 Brodiaea orcuttiiOrcutt's brodiaea1
244 Calochortus weedii var. weediiyellow mariposa lily1
245 Chlorogalum parviflorumsmall-flowered soap plant1
246 Chlorogalum pomeridianum var. pomeridianumsoap plant91
247 Dichelostemma capitatum ssp. capitatumblue dicks2
248 Fritillaria biflora var. biflorachocolate lily91
249 Muilla maritimamuilla1
250 Yucca whippleichaparral yucca1
251 Zigadenus fremontiiwhite star-lily1
 
PoaceaeGrass Family
252 Avena barbata*slender wild oats1
253 Avena fatua*wild oats1
254spBromus carinatusCalifornia brome1
255 Bromus catharticus*rescue grass1
256 Bromus diandrus*ripgut brome2
257 Bromus hordeaceus*soft chess2
258 Bromus madritensis ssp. rubens*red brome2
259 Cynodon dactylon*bermuda grass1
260 Digitaria sanguinalis*crabgrass1
261 Distichlis spicatasaltgrass1
262spHordeum murinum ssp. glaucum*foxtail barley2
263 Hordeum murinum ssp. leporinum*foxtail barley2
264 Hordeum vulgare var. trifurcatum*cultivated barley1
265 Koeleria macranthaJune grass1
266 Lamarckia aurea*goldentop1
267 Leymus condensatusgiant wild rye2
268 Lolium multiflorum*Italian rye-grass1
269 Melica imperfectasmall-flowered melica1
270 Muhlenbergia microspermalittleseed muhly1
271 Nassella lepidafoothill needlegrass2
272 Nassella pulchrapurple needlegrass2
273 Pennisetum setaceum*fountain grass1
274 Phalaris angustatimothy canarygrass1
275 Phalaris minor*little-seed canarygrass1
276 Poa annua*annual blue grass1
277 Polypogon monspeliensis*rabbits-foot grass1
278 Secale cereale*rye1
279 Sorghum halepense*johnsongrass1
280 Vulpia microstachys var. paucifloraPacific fescue2
281 Vulpia myuros var. hirsuta*hairy rattail fescue2
 
TyphaceaeCat Tail Family
282 Typha latifoliabroadleaf cattail1


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Copyright © 2003 by Wayne Armstrong and Tom Chester
Permission is freely granted to reproduce any or all of this page as long as credit is given to us at this source:
http://tchester.org/sd/plants/floras/san_marcos_hills.html
Comments and feedback: Wayne Armstrong | Tom Chester
Last update: 5 December 2003