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The Flora of the Santa Monica Mountains

             --Alphabetical Order

Flora of the Santa Monica Mountains - by Family, page1

Flora of the Santa Monica Mountains - by Family, page2

 

The flora of the Santa Monica Mountions and adjacent habitats includes the following vascular plant species that are native, naturalized, and introduced, listed in alphabetical order.

  1. Abronia maritima S. Watson. Sand verbena. Nyctaginaceae
  2. Abronia umbellata Lam. ssp. umbellata. Nyctaginaceae
  3. Acer macrophyllum Pursh. Big-leaf maple. Aceraceae
  4. Acer negundo L. var. californicum (Torrey & A. Gray) Sarg. Box elder. Aceraceae
  5. Achillea millefolium L. Yarrow. Asteraceae
  6. Achnatherum coronatum (Thurber) Barkworth. Poaceae
  7. Achyrachaena mollis Schauer. Blow-wives. Asteraceae
  8. Acourtia microcephala DC. Asteraceae
  9. Acroptilon repens (L.) DC. Russian knapweed. Asteraceae
  10. Adenostoma fasciculatum Hook. & Arn. Chamise. Rosaceae
  11. Adenostoma sparsifolium Torrey. Red shank. Rosaceae
  12. Adiantum capillus-veneris L. Southern maidenhair fern. Pteridaceae
  13. Adiantum jordanii C. Mueller. California maidenhair fern. Pteridaceae
  14. Ageratina adenophora (Sprengel) R. King & H. Robinson. Asteraceae
  15. Agoseris grandiflora (Nutt.) E. Greene. Mountain-dandelion. Asteraceae
  16. Agrostis exarata Trin. Poaceae
  17. Agrostis pallens Trin. Poaceae
  18. Agrostis stolonifera L. Creeping bent. Poaceae
  19. Agrostis viridis Gouan. Poaceae
  20. Ailanthus altissima (Miller) Swingle. Tree-of-heaven, stink tree. Simaroubaceae
  21. Alisma plantago-aquatica L. Water plantain. Alismataceae
  22. Allium haematochiton S. Watson. Alliaceae
  23. Allium peninsulare Lemmon. Alliaceae
  24. Allophyllum glutinosum (Benth.) A. D. Grant & V. Grant. Polemoniaceae
  25. Alnus rhombifolia Nutt. White alder. Betulaceae
  26. Amaranthus albus L. Tumbleweed. Amaranthaceae
  27. Amaranthus blitoides S. Watson. Amaranthaceae
  28. Amaranthus californicus (Moq.) S. Watson. Amaranthaceae
  29. Amaranthus deflexus L. Amaranthaceae
  30. Amaranthus retroflexus L. Amaranthaceae
  31. Amblyopappus pusillus Hook. & Arn. Asteraceae
  32. Ambrosia acanthicarpa Hook. Annual bursage, sand-bur. Asteraceae
  33. Ambrosia chamissonis (Less.) E. Greene. Beach-bur. Asteraceae
  34. Ambrosia confertiflora DC. Asteraceae
  35. Ambrosia psilostachya DC. Western ragweed. Asteraceae
  36. Ammannia coccinea Rottb. Lythraceae
  37. Ammophila arenaria (L.) Link. European beachgrass. Poaceae
  38. Amorpha californica Nutt. var. californica. False indigo. Fabaceae
  39. Amsinckia menziesii (Lehm.) Nelson & J. F. Macbr. var. intermedia (Fischer & C. Meyer) Ganders. Common fiddleneck. Boraginaceae
  40. Amsinckia menziesii (Lehm.) Nelson & J. F. Macbr. var. menziesii. Rancher's fireweed. Boraginaceae
  41. Anagallis arvensis L. Scarlet pimpernel, poor-man's weatherglass. Primulaceae
  42. Ancistrocarphus filagineus A. Gray. Woolly fishhooks. Asteraceae
  43. Andropogon glomeratus (Walter) Britton, Sterns & Pogg. var. scabriglumis C. S. Campbell. Bushy bluestem. Poaceae
  44. Anemopsis californica (Nutt.) Hook. & Arn. Yerba mansa. Saururaceae
  45. Anthemis cotula L. Mayweed, stinkweed, dog-fennel. Asteraceae
  46. Antirrhinum coulterianum Benth. Scrophulariaceae
  47. Antirrhinum kelloggii E. Greene. Scrophulariaceae
  48. Antirrhinum multiflorum Pennell. Scrophulariaceae
  49. Antirrhinum nuttallianum Benth. ssp. subsessile (A. Gray) D. Thompson. Scrophulariaceae
  50. Aphanes occidentalis (Nutt.) Rydb. Rosaceae
  51. Apiastrum angustifolium Nutt. Wild-celery. Apiaceae
  52. Apium graveolens L. Celery. Apiaceae
  53. Apocynum cannabinum L. Indian hemp, dogbane. Apocynaceae
  54. Aptenia cordifolia (L. f.) N. E. Brown. Baby sun rose. Aizoaceae
  55. Arabis glabra (L.) Benth. var. glabra. Tower-mustard. Brassicaceae
  56. Arabis sparsiflora Torrey & A. Gray var. californica Rollins. Brassicaceae
  57. Arctostaphylos glandulosa Eastw. ssp. glandulosa. Ericaceae
  58. Arctostaphylos glauca Lindley. Ericaceae
  59. Aristida adscensionis L. Six-weeks three-awn. Poaceae
  60. Artemisia biennis Willd. Asteraceae
  61. Artemisia californica Less. California sagebrush. Asteraceae
  62. Artemisia douglasiana Besser. Mugwort. Asteraceae
  63. Artemisia dracunculus L. Tarragon. Asteraceae
  64. Arundo donax L. Giant reed, reed cane. Poaceae
  65. Asclepias californica E. Greene. California milkweed, round-hooded milkweed. Asclepiadaceae
  66. Asclepias eriocarpa Benth. Kotolo milkweed, Indian milkweed. Asclepiadaceae
  67. Asclepias fascicularis Decne. in A. DC. Narrow-leaf milkweed. Asclepiadaceae
  68. Aspidotis californica (Nutt.) Copel. California lace fern. Pteridaceae
  69. Asplenium vespertinum Maxon. Aspleniaceae
  70. Aster lanceolatus Willd. ssp. hesperius (A. Gray) Semple & J. Chmielewski. Asteraceae
  71. Aster subulatus Michaux var. ligulatus Shinners. Asteraceae
  72. Astragalus brauntonii Parish. Fabaceae
  73. Astragalus didymocarpus Hook. & Arn. var. didymocarpus. Fabaceae
  74. Astragalus gambelianus E. Sheldon. Fabaceae
  75. Astragalus pycnostachys A. Gray var. lanosissimus (Rydb.) Munz. Fabaceae
  76. Astragalus tener A. Gray var. titi (Eastw.) Barneby. Fabaceae
  77. Astragalus trichopodus (Nutt.) A. Gray var. lonchus (M. E. Jones) Barneby. Fabaceae
  78. Astragalus trichopodus (Nutt.) A. Gray var. phoxus (M. E. Jones) Barneby. Fabaceae
  79. Athysanus pusillus (Hook.) E. Greene. Brassicaceae
  80. Atriplex californica Moq. Chenopodiaceae
  81. Atriplex coulteri (Moq.) D. Dietr. Coulter's saltbush. Chenopodiaceae
  82. Atriplex lentiformis (Torrey) S. Watson ssp. lentiformis. Big saltbush. Chenopodiaceae
  83. Atriplex leucophylla (Moq.) D. Dietr. Chenopodiaceae
  84. Atriplex polycarpa (Torrey) S. Watson. Chenopodiaceae
  85. Atriplex rosea L. Tumbling oracle, redscale. Chenopodiaceae
  86. Atriplex semibaccata R. Brown. Australian saltbush. Chenopodiaceae
  87. Atriplex serenana Nelson. Bractscale. Chenopodiaceae
  88. Atriplex triangularis Willd. Spearscale. Chenopodiaceae
  89. Atriplex watsonii Nelson. Chenopodiaceae
  90. Avena barbata Link. Poaceae
  91. Avena fatua L. Wild oat. Poaceae
  92. Avena sativa L. Cultivated oat. Poaceae
  93. Azolla filiculoides Lam. Azollaceae
  94. Baccharis douglasii DC. Marsh baccharis. Asteraceae
  95. Baccharis malibuensis R. M. Beauchamp & Henrickson. Asteraceae
  96. Baccharis pilularis DC. Chaparral broom, coyote brush. Asteraceae
  97. Baccharis plummerae A. Gray. Asteraceae
  98. Baccharis salicifolia (Ruiz L÷pez & Pavon) Pers. Seep-willow, water-wally, mule fat. Asteraceae
  99. Barbarea othoceras Ledeb. Winter-cress. Brassicaceae
  100. Bassia hyssopifolia (Pallas) Kuntze. Chenopodiaceae
  101. Batis maritima L. Saltwort, beachwort. Bataceae
  102. Berberis pinnata Lagasca ssp. pinnata. Oregon-grape. Berberidaceae
  103. Berula erecta (Hudson) Cov. Cutleaf water-parsnip. Apiaceae
  104. Beta vulgaris L. Beet. Chenopodiaceae
  105. Bidens frondosa L. Stick-tight. Asteraceae
  106. Bidens laevis (L.) Britton, Sterns & Pogg. Asteraceae
  107. Bidens pilosa L. Beggar-ticks. Asteraceae
  108. Bloomeria crocea (Torrey) Cov. Common goldenstars. Alliaceae
  109. Bothriochloa barbinodis (Lagasca) Herter. Cane bluestem. Poaceae
  110. Bowlesia incana Ruiz L÷pez & Pavon. Apiaceae
  111. Boykinia occidentalis Torrey & A. Gray. Saxifragaceae
  112. Boykinia rotundifolia C. Parry. Round-leaved boykinia. Saxifragaceae
  113. Brassica nigra (L.) Koch. Black mustard. Brassicaceae
  114. Brassica rapa L. Turnip, field mustard. Brassicaceae
  115. Brickellia californica (Torrey & A. Gray) A. Gray. Asteraceae
  116. Brickellia nevinii A. Gray. Nevin's brickellbush. Asteraceae
  117. Briza minor L. Poaceae
  118. Brodiaea jolonensis Eastw. Alliaceae
  119. Bromus arizonicus (Shear) Stebb. Poaceae
  120. Bromus carinatus Hook. & Arn. var. carinatus. Poaceae
  121. Bromus carinatus Hook. & Arn. var. maritimus. Poaceae
  122. Bromus catharticus Vahl. Rescue grass. Poaceae
  123. Bromus diandrus Roth. Ripgut grass. Poaceae
  124. Bromus hordaceus L. ssp. hordaceus. Poaceae
  125. Bromus laevipus Shear. Poaceae
  126. Bromus madritensis L. ssp. rubens (L.) Husnot. Foxtail chess. Poaceae
  127. Bromus tectorum L. Cheat grass, downy brome. Poaceae
  128. Bromus trinii Desv. Chilean chess. Poaceae
  129. Buddleya davidii Franchet. Butterfly bush. Buddlejaceae
  130. Buddleya saligna Willd. Buddlejaceae
  131. Calandrinia breweri S. Watson. Portulacaceae
  132. Calandrinia ciliata (Ruiz L÷pez & Pavon) DC. Red maids. Portulacaceae
  133. Calandrinia maritima Nutt. Seaside calandrinia. Portulacaceae
  134. Calochortus albus Benth. White globe lily, fairy lantern. Calochortaceae
  135. Calochortus catalinae S. Watson. Catalina mariposa lily. Calochortaceae
  136. Calochortus clavatus S. Watson ssp. pallidus (Hoover) Munz. Calochortaceae
  137. Calochortus plummerae E. Greene. Plummer's mariposa lily. Calochortaceae
  138. Calochortus splendens Benth. Calochortaceae
  139. Calochortus venustus Benth. Calochortaceae
  140. Calyptridium monandrum Nutt. Portulacaceae
  141. Calystegia macrostegia (E. Greene) Brummitt ssp. cyclostegia (House) Brummitt. Convolvulaceae
  142. Calystegia macrostegia (E. Greene) Brummitt ssp. intermedia (Abrams) Brummitt. Convolvulaceae
  143. Calystegia purpurata (E. Greene) Brummitt ssp. purpurata. Convolvulaceae
  144. Calystegia soldanella (L.) R. Br. Beach morning-glory. Convolvulaceae
  145. Cakile maritima Scop. Sea-rocket. Brassicaceae
  146. Callitriche marginata Torrey. Callitrichaceae
  147. Camissonia bistorta (Torrey & A. Gray) Raven. California sun cup. Onagraceae
  148. Camissonia boothii (Douglas) Raven ssp. decorticans (Hook. & Arn.) Raven. Onagraceae
  149. Camissonia californica (Torrey & A. Gray) Raven. Onagraceae
  150. Camissonia cheiranthifolia (Sprengel) Raven ssp. suffruticosa (S. Watson) Raven. Beach evening primrose. Onagraceae
  151. Camissonia hirtella (E. Greene) Raven. Onagraceae
  152. Camissonia ignota (Jepson) Raven. Onagraceae
  153. Camissonia intermedia Raven. Onagraceae
  154. Camissonia lewisii Raven. Lewis' evening primrose. Onagraceae
  155. Camissonia micrantha (Sprengel) Raven. Onagraceae
  156. Camissonia strigulosa (Fischer & C. Meyer) Raven. Onagraceae
  157. Capsella bursa-pastoris (L.) Medic. Shepherd's purse. Brassicaceae
  158. Cardamine californica (Torrey & A. Gray) E. Greene. Milk maids, toothwort. Brassicaceae
  159. Cardamine oligosperma Torrey & A. Gray. Brassicaceae
  160. Cardaria draba (L.) Desv. Heart-podded hoary cress. Brassicaceae
  161. Cardaria pubescens (C. Meyer) Jarmol. White top. Brassicaceae
  162. Cardionema ramosissimum (J. A. Weinm.) Nelson & J. F. Macbr. Caryophyllaceae
  163. Carex barbarae Dewey. Cyperaceae
  164. Carex praegracilis W. Boott. Cyperaceae
  165. Carex senta W. Boott. Cyperaceae
  166. Carex spissa L. Bailey. Cyperaceae
  167. Carex triquetra W. Boott. Cyperaceae
  168. Carpobrotus chilensis (Molina) N. E. Brown. Sea-fig. Aizoaceae
  169. Carpobrotus edulis (L.) N. E. Brown. Hottentot-fig, fig-marigold. Aizoaceae
  170. Castilleja affinis Hook. & Arn. Scrophulariaceae
  171. Castilleja applegatei Fern. ssp. martinii (Abrams) Chuang & Heckard. Scrophulariaceae
  172. Castilleja densiflora (Benth.) Chuang & Heckard. Scrophulariaceae
  173. Castilleja exserta (A. A. Heller) Chuang & Heckard ssp. exserta. Purple owl's-clover. Scrophulariaceae
  174. Castilleja foliolosa Hook. & Arn. Scrophulariaceae
  175. Castilleja minor (A. Gray) A. Gray ssp. spiralis (Jepson) Chuang & Heckard. Scrophulariaceae
  176. Caulanthus heterophyllus (Nutt.) Payson. Brassicaceae
  177. Ceanothus crassifolius Torrey. Hoaryleaf ceanothus. Rhamnaceae
  178. Ceanothus cuneatus (Hook.) Nutt. Rhamnaceae
  179. Ceanothus leucodermis E. Greene. Chaparral whitethorn. Rhamnaceae
  180. Ceanothus megacarpus Nutt. Big-pod ceanothus. Rhamnaceae
  181. Ceanothus oliganthus Nutt. var. oliganthus. Rhamnaceae
  182. Ceanothus spinosus Torrey & A. Gray. Red-heart, greenbark ceanothus. Rhamnaceae
  183. Centaurea melitensis L. Tocalote. Asteraceae
  184. Centaurea solstitialis L. Barneby's thistle, yellow starthistle. Asteraceae
  185. Centaurium venustum (A. Gray) Robinson. Canchalagua. Gentianaceae
  186. Centranthus ruber (L.) DC. Red valerian. Valerianaceae
  187. Cerastium glomeratum Thuill. Mouse-ear chickweed. Caryophyllaceae
  188. Cercocarpus betuloides Torrey & A. Gray var. betuloides. Mountain-mahogany. Rosaceae
  189. Chaenactis artemisiifolia (A. Gray) A. Gray. Asteraceae
  190. Chaenactis glabriuscula DC. var. glabriuscula. Yellow pincushion. Asteraceae
  191. Chamaebatia australis (Brandeg.) Abrams. Rosaceae
  192. Chamaesyce albomarginata (Torrey & A. Gray) Small. Euphorbiaceae
  193. Chamaesyce maculata (L.) Small. Euphorbiaceae
  194. Chamaesyce melanadenia (Torrey) Millsp. Euphorbiaceae
  195. Chamaesyce polycarpa (Benth.) Millsp. Euphorbiaceae
  196. Chamaesyce serpyllifolia (Pers.) Small. Euphorbiaceae
  197. Chamomilla suaveolens (Pursh) Rydb. Pineapple weed, rayless chamomile. Asteraceae
  198. Cheilanthes covillei Maxon. Pteridaceae
  199. Cheilanthes newberryi (D. Eaton) Domin. Cotton fern. Pteridaceae
  200. Chenopodium ambrosioides L. Mexican tea. Chenopodiaceae
  201. Chenopodium berlandieri Moq. Chenopodiaceae
  202. Chenopodium californicum (S. Watson) S. Watson. Chenopodiaceae
  203. Chenopodium macrospermum Hook f. var. halophilum (Philippi) Standley. Chenopodiaceae
  204. Chenopodium multifidum L. Chenopodiaceae
  205. Chenopodium murale L. Chenopodiaceae
  206. Chenopodium pumilio R. Brown. Chenopodiaceae
  207. Chenopodium strictum Roth var. glaucophyllum (Aellen) Wahl. Chenopodiaceae
  208. Chloris gayana Kunth. Rhodes grass. Poaceae
  209. Chlorogalum pomeridianum (DC.) Kunth var. pomeridianum. Soap plant. Hyacinthaceae
  210. Chorizanthe parryi S. Watson. Polygonaceae
  211. Chorizanthe staticoides Benth. Turkish rugging. Polygonaceae
  212. Chorizanthe wheeleri S. Watson. Polygonaceae
  213. Chrysanthemum coronarium L. Garland daisy, crown daisy. Asteraceae
  214. Chrysothamnus nauseosus (Pallas) Britton ssp. mohavensis (E. Greene) H. M. Hall & Clements. Rubber rabbitbrush. Astereaceae
  215. Cichorium intybus L. Chicory. Asteraceae
  216. Ciclospermum leptophyllum (Pers.) Britton & E. Wilson. Apiaceae
  217. Cirsium occidentale (Nutt.) Jepson var. californicum (A. Gray) Keil & C. Turner. California thistle. Asteraceae
  218. Cirsium occidentale (Nutt.) Jepson var. occidentale. Cobwebby thistle. Asteraceae
  219. Cirsium vulgare (Savi) Ten. Bull thistle. Asteraceae
  220. Clarkia bottae (Spach.) H. Lewis & M. Lewis. Punchbowl godetia. Onagraceae
  221. Clarkia cylindrica (Jepson) H. Lewis & M. Lewis. Onagraceae
  222. Clarkia epilobioides (Nutt.) Nelson & J. F. Macbr. Onagraceae
  223. Clarkia purpurea (Curtis) Nelson & J. F. Macbr. ssp. quadrivulnera (Douglas) H. Lewis & M. Lewis. Onagraceae
  224. Clarkia unguiculata Lindley. Onagraceae
  225. Claytonia perfoliata Willd. ssp. perfoliata. Miner's lettuce. Portulacaceae
  226. Clematis lasiantha Nutt. Pipestems. Ranunculaceae
  227. Clematis ligusticifolia Nutt. Virgin's bower, verba de chiva. Ranunculaceae
  228. Collinsia heterophylla Buist. Chinese houses. Scrophulariaceae
  229. Collinsia parryi A. Gray. Scrophulariaceae
  230. Comarostaphylis diversifolia (C. Parry) E. Greene ssp. planifolia (Jepson) G. D. Wallace. Ericaceae
  231. Conium maculatum L. Poison hemlock. Apiaceae
  232. Convolvulus arvensis L. Bindweed. Convolvulaceae
  233. Convolvulus simulans Perry. Convolvulaceae
  234. Conyza bonariensis (L.) Cronq. Asteraceae
  235. Conzya canadensis (L.) Cronq. Asteraceae
  236. Conzya coulteri A. Gray. Asteraceae
  237. Cordylanthus maritimus Benth. ssp. maritimus. Salt marsh bird's-beak. Scrophulariaceae
  238. Cordylanthus rigidus (Benth.) Jepson ssp. setigerus Chuang & Heckard. Scrophulariaceae
  239. Coreopsis bigelovii (A. Gray) H. M. Hall. Asteraceae
  240. Coreopsis calliopsidea (DC.) A. Gray. Asteraceae
  241. Coreopsis gigantea (Kellogg) H. M. Hall. Sea-dahlia. Asteraceae
  242. Cornus glabrata Benth. Brown dogwood. Cornaceae
  243. Coronopus didymus (L.) Smith. Wart cress. Brassicaceae
  244. Cortaderia jubata (Lemoine) Stapf. Poaceae
  245. Cortaderia selloana (Schultes) Asch. & Graebner. Pampus grass. Poaceae
  246. Cotula australis (Sieber) Hook. f. Asteraceae
  247. Cotula coronopifolia L. Brass-buttons. Asteraceae
  248. Crassula connata (Ruiz L÷pez & Pavon) A. Berger. Pygmy weed. Crassulaceae
  249. Cressa truxillensis Kunth. Alkali weed. Convolvulaceae
  250. Croton californicus Muell. Euphorbiaceae
  251. Crypsis vaginiflora (Forsskal) Opiz. Poaceae
  252. Cryptantha clevelandii E. Greene. Boraginaceae
  253. Cryptantha intermedia (A. Gray) E. Greene. Boraginaceae
  254. Cryptantha micromeres (A. Gray) E. Greene. Boraginaceae
  255. Cryptantha microstachys (A. Gray) E. Greene. Boraginaceae
  256. Cryptantha muricata (Hook. & Arn.) Nelson & J. F. Macbr. Boraginaceae
  257. Cucurbita foetidissima Kunth. Calabazilla. Cucurbitaceae
  258. Cuscuta californica Hook. & Arn. var. breviflora Engelm. Cuscutaceae
  259. Cuscuta californica Hook. & Arn. var. californica. Cuscutaceae
  260. Cuscuta californica Hook. & Arn. var. papillosa Yuncker. Cuscutaceae
  261. Cuscuta pentagona Engelm. Cuscutaceae
  262. Cuscuta salina Engelm. var. major Yuncker. Cuscutaceae
  263. Cynara cardunculus L. Cardoon, artichoke thistle. Asteraceae
  264. Cynodon dactylon (L.) Pers. Bermuda grass. Poaceae
  265. Cyperus eragrostis Lam. Cyperaceae
  266. Cyperus erythrorhizos Muhlenb. Cyperaceae
  267. Cyperus esculentus L. Yellow nut-grass. Cyperaceae
  268. Cyperus involucratus Rottb. Umbrella plant. Cyperaceae
  269. Cyperus niger Ruiz L÷pez & Pavon. Cyperaceae
  270. Cyperus odoratus L. Cyperaceae
  271. Cyperus rotundus L. Purple nutsedge. Cyperaceae
  272. Dactylis glomerata L. Orchard grass. Poaceae
  273. Datisca glomerata (C. Presl.) Baillon. Durango root. Datiscaceae
  274. Datura stramonium L. Jimson weed. Solanaceae
  275. Datura wrightii Regel. Solanaceae
  276. Daucus pusillus Michaux. Apiaceae
  277. Delphinium cardinale Hook. Cardinal larkspur, scarlet larkspur. Ranunculaceae
  278. Delphinium parryi A. Gray ssp. parryi. Ranunculaceae
  279. Delphinium patens Benth. ssp. hepaticoideum. Ewan. Ranunculaceae
  280. Dendromecon rigida Benth. Bush poppy. Papaveraceae
  281. Descurainia pinnata (Walter) Britton ssp. menziesii (DC.) Detl. Brassicaceae
  282. Descurainia sophia (L.) Webb. Brassicaceae
  283. Dicentra ochroleuca Engelm. Papaveraceae
  284. Dichelostemma capitatum Alph. Wood ssp. capitatum. Blue dicks. Alliaceae
  285. Dichondra occidentalis House. Western dichondra. Convolvulaceae
  286. Digitaria ischaemum (Schreber) Muhlenb. Poaceae
  287. Digitaria sanguinalis (L.) Scop. Poaceae
  288. Dimorphotheca sinuata DC. Cape-marigold. Asteraceae
  289. Diplotaxis tenuifolia (L.) DC. Wall-rocket. Brassicaceae
  290. Distichlis spicata (L.) E. Greene. Saltgrass. Poaceae
  291. Dithyrea maritima (A. Davidson) A. Davidson. Beach spectacle-pod. Brassicaceae
  292. Dodecatheon clevelandii E. Greene ssp. clevelandii. Primulaceae
  293. Dryopteris arguta (Kaulf.) Maxon. Coastal wood fern. Dryopteridaceae
  294. Dudleya abramsii Rose ssp. parva (Rose & A. Davidson) J. Bartel. Conejo dudleya. Crassulaceae
  295. Dudleya blochmaniae (Eastw.) Moran ssp. blochmaniae. Blochman's dudleya. Crassulaceae
  296. Dudleya caespitosa (Haworth) Britton & Rose. Crassulaceae
  297. Dudleya cymosa (Lemaire) Britton & Rose ssp. marcescens Moran. Marcescent dudleya. Crassulaceae
  298. Dudleya cymosa (Lemaire) Britton & Rose ssp. ovatifolia (Britton) Moran. Santa Monica Mountains dudleya. Crassulaceae
  299. Dudleya lanceolata (Nutt.) Britton & Rose. Crassulaceae
  300. Dudleya multicaulis (Rose) Moran. Many-stemmed dudleya. Crassulaceae
  301. Dudleya pulverulenta (Nutt.) Britton & Rose ssp. pulverulenta. Crassulaceae
  302. Dudleya verityi K. Nakai. Verity's dudleya. Crassulaceae
  303. Echinochloa colona (L.) Link. Poaceae
  304. Echinochloa crus-galli (L.) P. Beauv. Barnyard grass. Poaceae
  305. Echinodorus berteroi (Sprengel) Fassett. Alismataceae
  306. Ehrharta erecta Lam. Poaceae
  307. Elatine californica A. Gray. Elatinaceae
  308. Eleocharis macrostachya Britton. Cyperaceae
  309. Eleocharis montevidensis Kunth. Cyperaceae
  310. Eleocharis radicans (Poiret) Kunth. Cyperaceae
  311. Elymus glaucus Buckley ssp. glaucus. Blue wildrye. Poaceae
  312. Elymus multisetus (J. G. Smith) Burtt Davy. Big squirreltail. Poaceae
  313. Elymus stebbinsii Gould. Poaceae
  314. Emmenanthe penduliflora Benth. Whispering bells. Hydrophyllaceae
  315. Encelia californica Nutt. Asteraceae
  316. Epilobium brachycarpum C. Presl. Onagraceae
  317. Epilobium canum (E. Greene) Raven ssp. canum. California fuchsia, zauschneria. Onagraceae
  318. Epilobium ciliatum Raf. ssp. ciliatum. Onagraceae
  319. Epilobium pygmaeum (Speg.) P. Hoch & Raven. Onagraceae
  320. Epipactis gigantea Hook. Stream orchid. Orchidaceae
  321. Equisetum hyemale L. ssp. affine (Engelm.) Calder & R. H. Taylor. Common scouring rush. Equisetaceae
  322. Equisetum laevigatum A. Braun. Smooth scouring rush. Equisetaceae
  323. Equisetum telmateia Ehrh. ssp. braunii (Milde) R. L. Hauke. Giant horsetail. Equisetaceae
  324. Eragrostis barrelieri Daveau. Poaceae
  325. Eragrostis cilianensis (All.) Janchen. Stinkgrass. Poaceae
  326. Eragrostis hypnoides (Lam.) Britton, Sterns & Pogg. Teal lovegrass. Poaceae
  327. Eragrostis mexicana (Hornem.) Link ssp. virescens (C. Presl.) Koch & E. S½nchez. Poaceae
  328. Eremocarpus setigerus (Hook.) Benth. Turkey-mullein. Euphorbiaceae
  329. Eriastrum densifolium (Benth.) H. Mason ssp. elongatum (Beenth.) H. Mason. Polemoniaceae
  330. Eriastrum filifolium (Nutt.) Wooton & Standley. Polemoniaceae
  331. Eriastrum sapphirinum (Eastw.) H. Mason. Polemoniaceae
  332. Ericameria ericoides (Less.) Jepson. Asteraceae
  333. Ericameria linearifolia (DC.) Urbatch & J. Wussow. Interior goldenbush. Asteraceae
  334. Ericameria palmeri (A. Gray) H. M. Hall var. pachylepis (H. M. Hall) G. Nesom. Asteraceae
  335. Ericameria parishii (E. Greene) H. M. Hall var. parishii. Asteraceae
  336. Erigeron foliosus Nutt. var. foliosus. Asteraceae
  337. Eriodictyon crassifolium Benth. var. crassifolium. Hydrophyllaceae
  338. Eriogonum cinereum Benth. Polygonaceae
  339. Eriogonum citharaeforme S. Watson. Polygonaceae
  340. Eriogonum crocatum A. Davidson. Conejo buckwheat. Polygonaceae
  341. Eriogonum elongatum Benth. var. elongatum. Polygonaceae
  342. Eriogonum fasciculatum Benth. var. fasciculatum. California buckwheat. Polygonaceae
  343. Eriogonum fasciculatum Benth. var. foliolosum (Nutt.) Abrams. Polygonaceae
  344. Eriogonum gracile Benth. var. gracile. Polygonaceae
  345. Eriogonum parvifolium Smith. Polygonaceae
  346. Eriogonum wrightii Benth. var. membranaceum Jepson. Polygonaceae
  347. Eriophyllum confertiflorum (DC.) A. Gray var. confertiflorum. Golden-yarrow. Asteraceae
  348. Erodium botrys (Cav.) Bertol. Geraniaceae
  349. Erodium brachycarpum (Godron) Thellung. Geraniaceae
  350. Erodium cicutarium (L.) L'HÚr. Filaree. Geraniaceae
  351. Erodium macrophyllum Hook. & Arn. Geraniaceae
  352. Erodium moschatum (L.) L'HÚr. Geraniaceae
  353. Erysimum capitatum (Douglas) E. Greene ssp. capitatum. Western wallflower. Brassicaceae
  354. Erysimum insulare E. Greene ssp. suffrutescens (Abrams) R. A. Price. Suffrutescent wallflower. Brassicaceae
  355. Eschscholzia caespitosa Benth. Papaveraceae
  356. Eschscholzia californica Cham. Papaveraceae
  357. Eucalyptus globulus Labill. Blue gum. Myrtaceae
  358. Eucrypta chrysanthemifolia (Benth.) E. Greene var. chrysanthemifolia. Hydrophyllaceae
  359. Euphorbia crenulata Engelm. Chinese caps. Euphorbiaceae
  360. Euphorbia peplus L. Petty spurge. Euphorbiaceae
  361. Euthamia occidentalis Nutt. Western goldenrod. Asteraceae
  362. Festuca arundinacea Schreber. Tall fescue. Poaceae
  363. Festuca elmeri Scribner & Merr. Poaceae
  364. Festuca pratensis Hudson. Meadow fescue. Poaceae
  365. Filago californica Nutt. Asteraceae
  366. Foeniculum vulgare Miller. Fennel. Apiaceae
  367. Frankenia salina (Molina) I. M. Johnston. Alkali heath. Frankeniaceae
  368. Fraxinus dipetala Hook. & Arn. California ash. Oleaceae
  369. Fraxinus velutina Torrey. Velvet ash. Oleaceae
  370. Fritillaria biflora Lindley. Chocolate lily, mission bells. Liliaceae
  371. Galinsoga parviflora Cav. var. parviflora. Asteraceae
  372. Galium andrewsii A. Gray ssp. andrewsii. Phlox-leaved bedstraw. Rubiaceae
  373. Galium angustifolium Nutt. ssp. angustifolium. Narrow-leaved bedstraw. Rubiaceae
  374. Galium aparine L. Goose-grass. Rubiaceae
  375. Galium cliftonsmithii (Dempster) Dempster & Stebb. Santa Barbara bedstraw. Rubiaceae
  376. Galium nuttallii A. Gray. San Diego bedstraw. Rubiaceae
  377. Garrya veatchii Kellogg. Garryaceae
  378. Gastridium ventricosum (Gouan) Schinz & Thell. Nit grass. Poaceae
  379. Geranium carolinianum L. Geraniaceae
  380. Geranium molle L. Geraniaceae
  381. Geranium rotundifolium L. Geraniaceae
  382. Gilia angelensis V. Grant. Polemoniaceae
  383. Gilia australis (H. Mason & A. D. Grant) V. Grant & A. D. Grant. Polemoniaceae
  384. Gilia capitata Sims. ssp. abrotanifolia (E. Greene) V. Grant. Polemoniaceae
  385. Githopsis diffusa A. Gray ssp. diffusa. Campanulaceae
  386. Glycyrrhiza lepidota Pursh. Wild licorice. Fabaceae
  387. Gnaphalium bicolor Bioletti. Asteraceae
  388. Gnaphalium californicum DC. Asteraceae
  389. Gnaphalium canescens DC. ssp. beneolens (Davidson) Stebb. & Keil. Asteraceae
  390. Gnaphalium canescens DC. ssp. microcephalum (Nutt.) Stebb. & Keil. Asteraceae
  391. Gnaphalium leucocephalum A. Gray. Asteraceae
  392. Gnaphalium luteo-album L. Asteraceae
  393. Gnaphalium palustre Nutt. Asteraceae
  394. Gnaphalium ramosissimum Nutt. Asteraceae
  395. Gnaphalium stramineum Kunth. Asteraceae
  396. Grindelia camporum E. Greene var. bracteosum(J. Howell) M. A. Lane. AsteraceaeM
  397. Guillenia lasiophylla (Hook. & Arn.) E. Greene. Brassicaceae
  398. Gutierrezia californica (DC.) Torrey & A. Gray. California matchweed. Asteraceae
  399. Hazardia squarrosa (Hook. & Arn.) E. Greene var. grindelioides (DC.) W. Clark. Saw-toothed goldenbush. Asteraceae
  400. Hedypnois cretica (L.) Dum.-Cours. Asteraceae
  401. Helenium puberulum DC. Asteraceae
  402. Helianthemum scoparium Nutt. Peak rush-rose. Cistaceae
  403. Helianthus annuus L. Asteraceae
  404. Helianthus gracilentus A. Gray. Asteraceae
  405. Heliotropium curassavicum L. Boraginaceae
  406. Hemizonia fasciculata (DC.) Torrey & A. Gray. Asteraceae
  407. Hemizonia minthornii Jepson. Santa Susana tarplant. Asteraceae
  408. Hemizonia pungens (Hook. & Arn.) Torrey & A. Gray. Common spikeweed. Asteraceae
  409. Herniaria hirsuta L. ssp. cinerea (DC.) Cout. Caryophyllaceae
  410. Hesperocnide tenella Torrey. Western nettle. Urticaceae
  411. Hesperolinon micranthum (A. Gray) Small. Linaceae
  412. Heteromeles arbutifolia (Lindley) M. Roemer. Toyon. Rosaceae
  413. Heterotheca grandiflora Nutt. Telegraph weed. Asteraceae
  414. Heterotheca sessiliflora (Nutt.) Shinn. ssp. fastigiata (E. Greene) Semple. Asteraceae
  415. Heterotheca sessiliflora (Nutt.) Shinn. ssp. sessiliflora. Asteraceae
  416. Hieracium argutum Nutt. Asteraceae
  417. Hirschfeldia incana (L.) Lagr.-Fossat. Brassicaceae
  418. Hoita macrostachya (DC.) Rydb. Fabaceae
  419. Holodiscus discolor (Pursh) Maxim. Oceanspray. Rosaceae
  420. Hordeum brachyantherum Nevski ssp. californicum (Covas & Stebb.) V. Bothmer, N. Jacobsen & O. Seberg. Poaceae
  421. Hordeum intercedens Nevski. Poaceae
  422. Hordeum marinum Hudson ssp. gussoneanum (Parl.) Thellung. Mediterranean barley. Poaceae
  423. Hordeum murinum L. ssp. glaucum (Steudel) Tzvelev. Poaceae
  424. Horkelia cuneata Lindley ssp. cuneata. Rosaceae
  425. Hydrocotyle moschata Forster f. Apiaceae
  426. Hydrocotyle umbellata L. Apiaceae
  427. Hypochaeris glabra L. Smooth cat's-ear. Asteraceae
  428. Hypochaeris radicata L. Rough cat's-ear. Asteraceae
  429. Ipomoea purpurea (L.) Roth. Common morning-glory. Convolvulaceae
  430. Isocoma menziesii (Hook. & Arn.) G. Nelson var. sedoides (E. Greene) G. Nelson. Asteraceae
  431. Isocoma menziesii (Hook. & Arn.) G. Nelson var. vernonioides (Nutt.) G. Nelson. Asteraceae
  432. Isomeris arborea Nutt. Bladderpod. Capparaceae
  433. Iva axillaris Pursh ssp. robustior (Hook.) Bassett. Poverty weed. Asteraceae
  434. Jaumea carnosa (Less.) A. Gray. Asteraceae
  435. Juglans californica S. Watson var. californica. Southern California black walnut. Juglandaceae
  436. Juncus acutus L. ssp. leopoldii (Parl.) Snog. Juncaceae
  437. Juncus balticus Willd. Juncaceae
  438. Juncus bufonius L. Toad rush. Juncaceae
  439. Juncus macrophyllus Cov. Juncaceae
  440. Juncus mexicanus Willd. Juncaceae
  441. Juncus patens E. Meyer. Juncaceae
  442. Juncus phaeocephalus Engelm. var. paniculatus Engelm. Juncaceae
  443. Juncus textilis Buchenau. Juncaceae
  444. Juncus torreyi Cov. Juncaceae
  445. Juncus xiphioides E. Meyer. Juncaceae
  446. Juniperus californica Carri¶re. Cupressaceae
  447. Keckiella cordifolia (Benth.) Straw. Scrophulariaceae
  448. Koeleria macrantha (Ledeb.) J. A. Schultes. Junegrass. Poaceae
  449. Lactuca serriola L. Prickly lettuce. Asteraceae
  450. Lagophylla ramosissima Nutt. Asteraceae
  451. Lamarckia aurea (L.) Moench. Goldentop. Poaceae
  452. Lamium amplexicaule L. Lamiaceae
  453. Lastarriaea coriacea (Goodman) Hoover. Polygonaceae
  454. Lasthenia californica Lindley. Asteraceae
  455. Lasthenia coronaria (Nutt.) Ornduff. Asteraceae
  456. Lathyrus vestitus Nutt. var. vestitus. Fabaceae
  457. Lavatera assurgentiflora Kellogg. Malva rosa, island mallow. Malvaceae
  458. Layia platyglossa (Fischer & C. Meyer) A. Gray. Tidy-tips. Asteraceae
  459. Lemna gibba L. Lemnaceae
  460. Lemna minor L. Lemnaceae
  461. Lemna trisulca L. Lemnaceae
  462. Lepechinia fragrans (E. Greene) Epling. Fragrant pitcher sage. Lamiaceae
  463. Lepidium lasiocarpum Torrey & A. Gray var. lasiocarpum. Brassicaceae
  464. Lepidium latifolium L. Brassicaceae
  465. Lepidium latipes Hook. var. latipes. Brassicaceae
  466. Lepidium nitidum Torrey & A. Gray var. nitidum. Brassicaceae
  467. Lepidium oblongum Small. Brassicaceae
  468. Lepidium virginicum L. var. pubescens (E. Greene) Thellung. Brassicaceae
  469. Lepidospartum squamatum (A. Gray) A. Gray. Scale-broom. Asteraceae
  470. Leptochloa fascicularis (Lam.) A. Gray. Bearded sprangletop. Poaceae
  471. Leptochloa uninervia (C. Presl.) A. Hitchc. & Chase. Mexican sprangletop. Poaceae
  472. Leptodactylon californicum Hook. & Arn. ssp. californicum. Prickly phlox. Polemoniaceae
  473. Lessingia filaginifolia (Hook. & Arn.) M. A. Lane var. filaginifolia. California aster. Asteraceae
  474. Lessingia virgata A. Gray. Asteraceae
  475. Lewisia rediviva Pursh. Bitter root. Portulacaceae
  476. Leymus condensatus (C. Presl.) A. Lûve. Poaceae
  477. Leymus triticoides (Buckley) Pilger. Poaceae
  478. Lilium humboldtii Roezl & Leichtlin ssp. ocellatum (Kellogg) Thorne. Ocellated lily. Liliaceae
  479. Limonium californicum (Boiss.) A. A. Heller. Western marsh-rosemary. Plumbaginaceae
  480. Limonium perezii (Stapf) Hubb. Plumbaginaceae
  481. Limonium sinuatum (L.) Miller. Plumbaginaceae
  482. Linanthus androsaceus (Benth.) E. Greene. Polemoniaceae
  483. Linanthus dianthiflorus (Benth.) E. Greene. Polemoniaceae
  484. Linanthus liniflorus (Benth.) E. Greene. Polemoniaceae
  485. Linaria canadensis (L.) Dum.-Cours. Blue toadflax. Scrophulariaceae
  486. Linaria pinifolia (Poiret) Thell. Scrophulariaceae
  487. Linum grandiflorum Desf. Linaceae
  488. Lithophragma affine A. Gray. Saxifragaceae
  489. Lobelia dunnii E. Dunn var. serrata (A. Gray) McVaugh. Campanulaceae
  490. Lobularia maritima (L.) Desv. Sweet alyssum. Brassicaceae
  491. Lolium perenne L. Perennial ryegrass. Poaceae
  492. Lolium temulentum L. Darnel. Poaceae
  493. Lomatium dasycarpum (Torrey & A. Gray) J. Coulter & Rose ssp. dasycarpum. Apiaceae
  494. Lomatium lucidum (Torrey & A. Gray) Jepson. Apiaceae
  495. Lomatium utriculatum (Torrey & A. Gray) J. Coulter & Rose. Apiaceae
  496. Lonicera hispidula Douglas var. vacillans A. Gray. Caprifoliaceae
  497. Lonicera subspicata Hook. & Arn. var. denudata Rehder. Caprifoliaceae
  498. Lotus argophyllus (A. Gray) E. Greene var. argophyllus. Fabaceae
  499. Lotus corniculatus L. Birdfoot trefoil. Fabaceae
  500. Lotus grandiflorus (Benth.) E. Greene. Fabaceae
  501. Lotus hamatus E. Greene. Fabaceae
  502. Lotus micranthus Benth. Fabaceae
  503. Lotus oblongifolius (Benth.) E. Greene var. oblongifolius. Fabaceae
  504. Lotus purshianus (Benth.) Clements & E. G. Clements var. purshianus. Fabaceae
  505. Lotus salsuginosus E. Greene. Fabaceae
  506. Lotus scoparius (Nutt.) Ottley var. scoparius. California broom, deerbush. Fabaceae
  507. Lotus strigosus (Nutt.) Greene. Fabaceae
  508. Lotus wrangelianus Fischer & C. Meyer. Fabaceae
  509. Ludwigia peploides (Kunth) Raven ssp. peploides. Onagraceae
  510. Lupinus bicolor Lindley. Miniature lupine. Fabaceae
  511. Lupinus chamissonis Eschsch. Fabaceae
  512. Lupinus concinnus J. Agardh. Bajada lupine. Fabaceae
  513. Lupinus formosus E. Greene var. formosus. Fabaceae
  514. Lupinus hirsutissimus Benth. Stinging lupine. Fabaceae
  515. Lupinus latifolius J. Agardh. var. latifolius. Fabaceae
  516. Lupinus longifolius (S. Watson) Abrams. Fabaceae
  517. Lupinus microcarpus Sims var. microcarpus. Chick lupine. Fabaceae
  518. Lupinus nanus Benth. Fabaceae
  519. Lupinus sparsiflorus Benth. Coulter's lupine. Fabaceae
  520. Lupinus succulentus Koch. Arroyo lupine. Fabaceae
  521. Lupinus truncatus Hook. & Arn. Fabaceae
  522. Lycium californicum Nutt. Solanaceae
  523. Lycopersicon esculentum L. Tomato. Solanaceae
  524. Lythrum californicum Torrey & A. Gray. California loosestrife. Lythraceae
  525. Lythrum hyssopifolium L. Lythraceae
  526. Madia elegans Lindley ssp. elegans. Common madia. Asteraceae
  527. Madia exigua (Smith) A. Gray. Threadstem madia. Asteraceae
  528. Madia gracilis (Smith) Keck. Slender tarweed. Asteraceae
  529. Malacothamnus fasciculatus (Torrey & A. Gray) E. Greene. Chaparral mallow. Malvaceae
  530. Malacothrix clevelandii A. Gray. Asteraceae
  531. Malacothrix saxatilis (Nutt.) Torrey & A. Gray var. tenuifolia (Nutt.) A. Gray. Asteraceae
  532. Malephora crocea (Jacq.) Schwantes. Aizoaceae
  533. Malosma laurina (Nutt.) Abrams. Laurel sumac. Anacardiaceae
  534. Malva nicaeensis All. Bull mallow. Malvaceae
  535. Malva parviflora L. Cheeseweed, little mallow. Malvaceae
  536. Malvella leprosa (Ortega) Hrapov. Alkali-mallow, whiteweed. Malvaceae
  537. Marah macrocarpus (E. Greene) E. Greene. Cucurbitaceae
  538. Marrubium vulgare L. Horehound. Lamiaceae
  539. Matthiola incana (L.) R. Br. Stock. Brassicaceae
  540. Meconella denticulata E. Greene. Papaveraceae
  541. Medicago lupulina L. Black medick, yellow trefoil. Fabaceae
  542. Medicago polymorpha L. California burclover. Fabaceae
  543. Medicago sativa L. Alfalfa, lucerne. Fabaceae
  544. Melica imperfecta Trin. Poaceae
  545. Melilotus alba Medikus. White sweetclover. Fabaceae
  546. Melilotus indica (L.) All. Sourclover. Fabaceae
  547. Mentha arvensis L. Lamiaceae
  548. Mentha pulegium L. Pennyroyal. Lamiaceae
  549. Mentha spicata L. var. spicata. Spearmint. Lamiaceae
  550. Mentzelia micrantha (Hook. & Arn.) Torrey & A. Gray. Loasaceae
  551. Mesembryanthemum crystallinum L. Crystalline iceplant. Aizoaceae
  552. Mesembryanthemum nodiflorum L. Slender-leaved iceplant. Aizoaceae
  553. Micropus californicus Fischer & C. Meyer. Slender cottonweed. Asteraceae
  554. Microseris douglasii (DC.) Schultz-Bip. ssp. douglasii. Asteraceae
  555. Microseris douglasii (DC.) Schultz-Bip. ssp. tenella (A. Gray) Chambers. Asteraceae
  556. Microseris elegans A. Gray. Asteraceae
  557. Mimulus aurantiacus Curtis. Diplacus, bush monkey flower. Scrophulariaceae
  558. Mimulus brevipes Benth. Scrophulariaceae
  559. Mimulus cardinalis Benth. Scrophulariaceae
  560. Mimulus floribundus Lindley. Scrophulariaceae
  561. Mimulus guttatus DC. Scrophulariaceae
  562. Mimulus pilosus (Benth.) S. Watson. Scrophulariaceae
  563. Minuartia douglasii (Torrey & A. Gray) Mattf. Caryophyllaceae
  564. Mirabilis californica A. Gray. Wishbone bush. Nyctaginaceae
  565. Modiola caroliniana (L.) G. Don. Malvaceae
  566. Monanthochloe littoralis Engelm. Poaceae
  567. Monardella hypoleuca A. Gray. Lamiaceae
  568. Monardella lanceolata A. Gray. Mustang mint. Lamiaceae
  569. Monolopia lanceolata Nutt. Asteraceae
  570. Mucronea californica Benth. California spineflower. Polygonaceae
  571. Muhlenbergia microsperma (DC.) Kunth. Littleseed muhly. Poaceae
  572. Muhlenbergia rigens (Benth.) A. Hitchc. Deergrass. Poaceae
  573. Myrica californica Cham. & Schldt. California wax myrtle. Myricaceae
  574. Najas flexilis (Willd.) Rostkov & Schmidt. Slender water-nymph. Hydrocharitaceae
  575. Nama stenocarpum A. Gray. Hydrophyllaceae
  576. Nassella cernua (Stebb. & Lûve) Barkworth. Nodding needlegrass. Poaceae
  577. Nassella lepida (A. Hitchc.) Barkworth. Foothill needlegrass. Poaceae
  578. Nassella pulchra (A. Hitchc.) Barkworth. Purple needlegrass. Poaceae
  579. Navarretia hamata E. Greene ssp. hamata. Polemoniaceae
  580. Navarretia pubescens (Benth.) Hook. & Arn. Polemoniaceae
  581. Nemacladus ramosissimus Nutt. Campanulaceae
  582. Nemophila menziesii Hook. & Arn. var. integrifolia Parish. Baby blue-eyes. Hydrophyllaceae
  583. Nemophila menziesii Hook. & Arn. var. menziesii. Baby blue-eyes. Hydrophyllaceae
  584. Nemophila pedunculata Benth. Hydrophyllaceae
  585. Nicotiana glauca Graham. Tree tobacco. Solanaceae
  586. Nicotiana quadrivalvis Pursh. Solanaceae
  587. Notholaena californica D. C. Eaton. Pteridaceae
  588. Nuphar luteum (L.) Sibthorp & Sm. ssp. polysepalum (Engelm.) E. O. Beal. Cow-lily, pond-lily. Nymphaeaceae
  589. Oenanthe sarmentosa J. S. Presl. Dropwort. Apiaceae
  590. Oenothera californica (S. Watson) S. Watson ssp. californica. Onagraceae
  591. Oenothera elata Kunth ssp. hirsutissima (S. Watson) W. Dietr. Onagraceae
  592. Oligomeris linifolia (M. Vahl) J. F. Macbr. Resedaceae
  593. Opuntia ficus-indica (L.) Miller. Indian-fig. Cactaceae
  594. Opuntia littoralis (Engelm.) Cockerell. Cactaceae
  595. Opuntia x occidentalis Engelm. Cactaceae
  596. Opuntia prolifera Engelm. Cactaceae
  597. Orobanche bulbosa G. Beck. Orobanchaceae
  598. Orobanche californica Cham. & Schlecht ssp. grandis Heckard. Orobanchaceae
  599. Orobanche fasciculata Nutt. Clustered broomrape. Orobanchaceae
  600. Orobanche uniflora L. Naked broomrape. Orobanchaceae
  601. Orobanche vallicola (Jepson) Heckard. Orobanchaceae
  602. Osmorhiza brachypoda Torrey. Sweet-cleely. Apiaceae
  603. Osteospermum ecklonis (DC.) Norlindh. Trailing African daisy. Asteraceae
  604. Oxalis albicans Kunth ssp. californica (Abrams) Eiten. Oxalidaceae
  605. Oxalis corniculata L. Oxalidaceae
  606. Oxalis pes-caprae L. Bermuda buttercup. Oxalidaceae
  607. Oxalis rubra A. St. Hil. Oxalidaceae
  608. Paeonia californica Torrey & A. Gray. Paeoniaceae
  609. Panicum capillare L. Witch grass. Poaceae
  610. Panicum miliaceum L. Broom corn millet. Poaceae
  611. Papaver californicum A. Gray. Fire poppy. Papaveraceae
  612. Parapholis incurva (L.) C. E. Hubb. Sickle grass. Poaceae
  613. Parietaria hespera B. D. Hinton. Urticaceae
  614. Paspalum dilatatum Poiret. Dallis grass. Poaceae
  615. Paspalum distichum L. Knotgrass. Poaceae
  616. Pectocarya linearis (Ruiz L÷pez & Pavon) DC. ssp. ferocula (I. M. Johnston) Thorne. Boraginaceae
  617. Pectocarya penicillata (Hook. & Arn.) A. DC. Boraginaceae
  618. Pedicularis densiflora Hook. Indian warrior. Scrophulariaceae
  619. Pellaea andromedifolia (Kaulf.) NÚe. Coffee fern. Pteridaceae
  620. Pellaea mucronata (D. Eaton) D. Eaton var. mucronata. Bird's-foot fern. Pteridaceae
  621. Pennisetum cladestinum Chiov. Kikuyu grass. Poaceae
  622. Pennisetum setaceum Forsskal. Poaceae
  623. Penstemon centranthifolius (Benth.) Benth. Scrophulariaceae
  624. Penstemon heterophyllus Lindley var. australis Munz & I. M. Johnston. Scrophulariaceae
  625. Penstemon x parishii A. Gray. Scrophulariaceae
  626. Penstemon spectabilis Thurber var. subviscosus (Keck) McMinn. Scrophulariaceae
  627. Pentachaeta lyonii A. Gray. Lyon's pentachaeta. Asteraceae
  628. Pentagramma triangularis (Kaulf.) G. Yatskievych, M. D. Windham & E. Wollenweber ssp. triangularis. Goldback fern. Pteridaceae
  629. Perityle emoryi Torrey. Asteraceae
  630. Petunia parviflora A. L. Juss. Solanaceae
  631. Phacelia brachyloba (Benth.) A. Gray. Hydrophyllaceae
  632. Phacelia cicutaria E. Greene var. hispida (A. Gray) J. T. Howell. Hydrophyllaceae
  633. Phacelia distans Benth. Hydrophyllaceae
  634. Phacelia douglasii (Benth.) Torrey. Hydrophyllaceae
  635. Phacelia egena (Benth.) J. T. Howell. Hydrophyllaceae
  636. Phacelia grandiflora (Benth.) A. Gray. Hydrophyllaceae
  637. Phacelia imbricata E. Greene. Hydrophyllaceae
  638. Phacelia longipes A. Gray. Hydrophyllaceae
  639. Phacelia minor (Harvey) Thell. Hydrophyllaceae
  640. Phacelia parryi Torrey. Hydrophyllaceae
  641. Phacelia ramosissima Lehm. Hydrophyllaceae
  642. Phacelia tanacetifolia Benth. Hydrophyllaceae
  643. Phacelia viscida (Benth.) Torrey. Hydrophyllaceae
  644. Phalaris aquatica L. Harding grass. Poaceae
  645. Phalaris canariensis L. Canary grass. Poaceae
  646. Phalaris minor Retz. Poaceae
  647. Phalaris paradoxa L. Poaceae
  648. Phlox gracilis E. Greene. Polemoniaceae
  649. Pholisma arenarium Hook. Lennoaceae
  650. Pholistoma auritum (Lindley) Lilja var. auritum. Fiesta flower. Hydrophyllaceae
  651. Pholistoma racemosum (Nutt.) Constance. Hydrophyllaceae
  652. Phoradendron macrophyllum (Engelm.) Cockerell. Big-leaf mistletoe. Viscaceae
  653. Phoradendron villosum (Nutt.) Nutt. Oak mistletoe. Viscaceae
  654. Phragmites australis (Cav.) Steudel. Common reed. Poaceae
  655. Phyla lanceolata (Michaux) E. Greene. Verbenaceae
  656. Phyla nodiflora (L.) E. Greene var. nodiflora
  657. Phyllospadix scouleri Hook. Surf-grass. Zosteraceae
  658. Phyllospadix torreyi S. Watson. Surf-grass. Zosteraceae
  659. Pickeringia montana Nutt. var. montana. Chaparral pea. Fabaceae
  660. Picris echioides L. Bristly ox-tongue. Asteraceae
  661. Piperia unalascensis (Sprengel) Rydb. Orchidaceae
  662. Piptatherum miliaceum (L.) Cosson. Smilo grass. Poaceae
  663. Plagiobothrys acanthocarpus (Piper) I. M. Johnston. Adobe allocarya. Boraginaceae
  664. Plagiobothrys canescens Benth. Boraginaceae
  665. Plagiobothrys nothofulvus (A. Gray) A. Gray. Popcornflower. Boraginaceae
  666. Plantago erecta E. Morris. California plantain. Plantaginaceae
  667. Plantago lanceolata L. English plantain. Plantaginaceae
  668. Plantago major L. Common plantain. Plantaginaceae
  669. Platanus racemosa Nutt. Western sycamore, aliso. Platanaceae
  670. Platystemon californicus Benth. Cream cups. Papaveraceae
  671. Plectritis ciliosa (E. Greene) Jepson ssp. insignis (Suksd.) D. Morey. Valerianaceae
  672. Pluchea odorata (L.) Cass. var. odorata. Salt marsh-fleabane. Asteraceae
  673. Poa annua L. Annual bluegrass. Poaceae
  674. Poa palustris L. Fowl bluegrass. Poaceae
  675. Poa secunda J. S. Presl. ssp. secunda. One-sided bluegrass. Poaceae
  676. Polycarpon depressum Nutt. Caryophyllaceae
  677. Polycarpon tetraphyllum (L.) L. Caryophyllaceae
  678. Polygala cornuta Kellogg var. fishiae (C. Parry) Jepson. Fish's milkwort. Polygalaceae
  679. Polygonum amphibium L. var. emersum Michaux. Kelp. Polygonaceae
  680. Polygonum arenastrum Boreau. Common knotweed, doorweed. Polygonaceae
  681. Polygonum argyrocoleon Kunze. Polygonaceae
  682. Polygonum hydropiperoides Michaux. Waterpeppers. Polygonaceae
  683. Polygonum lapathifolium L. Willow weed. Polgonaceae
  684. Polygonum punctatum Elliott. Water smartweed. Polygonaceae
  685. Polypodium californicum Kaulf. California polypody. Polypodiaceae
  686. Polypogon interruptus Kunth. Ditch beard grass. Poaceae
  687. Polypogon monspeliensis (L.) Desf. Poaceae
  688. Populus balsamifera L. ssp. trichocarpa (Torrey & A. Gray) Brayshaw. Black cottonwood. Salicaceae
  689. Populus fremontii S. Watson ssp. fremontii. Fremont cottonwood. Salicaceae
  690. Portulaca oleracea L. Common purslane. Portulacaceae
  691. Potamogeton crispus L. Crispate-leaved pondweed. Potamogetonaceae
  692. Potamogeton pectinatus L. Fennel-leaved pondweed. Potamogetonaceae
  693. Potentilla anserina L. ssp. pacifica (Howell) Rousi. Rosaceae
  694. Potentilla glandulosa Lindley ssp. glandulosa. Rosaceae
  695. Proboscidea louisianica (Miller) Thell. ssp. louisianica. Common unicorn plant. Martyniaceae
  696. Prunus ilicifolia (Nutt.) Walp. ssp. ilicifolia. Holly-leaved cherry, islay. Rosaceae
  697. Psilocarphus tenellus Nutt. var. tenellus. Asteraceae
  698. Pteridium aquilinum (L.) Kuhn var. pubescens L. Underw. Dennstaedtiaceae
  699. Pterostegia drymarioides Fischer & C. Meyer. Polygonaceae
  700. Quercus agrifolia Nee. Coast live oak. Fagaceae
  701. Quercus berberidifolia Liebm. Scrub oak. Fagaceae
  702. Quercus lobata Nee. Valley oak, roble. Fagaceae
  703. Quercus wislizenii A. DC. var. wislizenii. Interior live oak. Fagaceae
  704. Rafinesquia californica Nutt. California chicory. Asteraceae
  705. Ranunculus californicus Benth. Ranunculaceae
  706. Ranunculus cymbalaria Pursh. ssp. saximontanus Fern. Ranunculaceae
  707. Ranunculus hebecarpus Hook & Arn. Ranunculaceae
  708. Ranunculus repens L. Ranunculaceae
  709. Raphanus raphanistrum L. Jointed charlock. Brassicaceae
  710. Raphanus sativus L. Radish. Brassicaceae
  711. Rhamnus californica ssp. californica Eschsch. California coffeeberry. Rhamnaceae
  712. Rhamnus crocea Nutt. Spiny redberry, buckthorn. Rhamnaceae
  713. Rhamnus ilicifolia Kellogg. Holly-leaf redberry, holly-leaf buckthorn. Rhamnaceae
  714. Rhus integrifolia (Nutt.) Brewer & S. Watson. Lemonadeberry. Anacardiaceae
  715. Rhus ovata S. Watson. Sugar bush. Anacardiaceae
  716. Rhus trilobata Torrey & A. Gray. Skunkbrush, squaw bush. Anacardiaceae
  717. Ribes aureum Pursh var. gracillimum (Cov. & Britton) Jepson. Golden current. Grossulariaceae
  718. Ribes californicum Hook. & Arn. var. hesperium (McClatchie) Jepson. Hillside gooseberry. Grossulariaceae
  719. Ribes indecorum Eas. White-flowered currant. Grossulaceae
  720. Ribes malvaceum Small var. viridifolium Abrams. Chaparral currant. Grossulariaceae
  721. Ribes speciosum Pursh. Fuchsia-flowered gooseberry. Grossulariaceae
  722. Ricinus communis L. Castor bean. Euphorbiaceae
  723. Robinia pseudoacacia L. Black locust. Fabaceae
  724. Romneya coulteri Harvey. Coulter's matilija poppy. Papaveraceae
  725. Rorippa curvisiliqua (Hook.) Britton. Brassicaceae
  726. Rorippa nasturtium-aquaticum (L.) Hayek. Water cress. Brassicaceae
  727. Rosa californica Cham. & Schldl. California rose. Rosaceae
  728. Rubus discolor Weihe & Nees. Himalayan blackberry. Rosaceae
  729. Rubus ursinus Cham. & Schldl. California blackberry. Rosaceae
  730. Rumex acetosella L. Sheep sorrel. Polygonaceae
  731. Rumex conglomeratus Murray. Polygonaceae
  732. Rumex crispus L. Curly dock. Polygonaceae
  733. Rumex kerneri Borbas. Polygonceae
  734. Rumex maritimus L. Golden dock. Polygonaceae
  735. Rumex salicifolius J. A. Weinm. var. crassus (Rech. f.) J. Howell. Polygonaceae
  736. Rumex salicifolius J. A. Weinm. var. salicifolius. Willow dock. Polygonaceae
  737. Rupertia physodes (Hook.) Grimes. Fabaceae
  738. Ruppia maritima L. Ditch-grass. Potamogetonaceae
  739. Ruta chalepensis L. Rutaceae
  740. Salicornia bigelovii Torrey. Chenopodiaceae
  741. Salicornia europaea L. Chenopodiaceae
  742. Salicornia subterminalis Parish. Chenopodiaceae
  743. Salicornia virginica L. Chenopodiaceae
  744. Salix exigua Nutt. Narrow-leaved willow. Salicaceae
  745. Salix laevigata Bebb. Red willow. Salicaceae
  746. Salix lasiolepis Benth. Arroyo willow. Salicaceae
  747. Salix lucida Muhlenb. ssp. lasiandra (Benth.) E. Murray. Salicaceae
  748. Salpichroa origanifolia (Lam.) Baillon. Solanaceae
  749. Salsola tragus L. Russian thistle, tumbleweed. Chenopodiaceae
  750. Salvia apiana Jepson. White sage. Lamiaceae
  751. Salvia columbariae Benth. Chia. Lamiaceae
  752. Salvia leucophylla E. Greene. Lamiaceae
  753. Salvia mellifera E. Greene. Black sage. Lamiaceae
  754. Salvia spathacea E. Greene. Pitcher sage. Lamiaceae
  755. Sambucus mexicana C. Presl. Blue elderberry. Caprifoliaceae
  756. Samolus parviflorus Raf. Water-pimpernel, brookweed. Primulaceae
  757. Sanguisorba minor Scop. ssp. muricata Briq. Garden burnet. Rosaceae
  758. Sanicula arguta J. Coulter & Rose. Apiaceae
  759. Sanicula bipinnata Hook. & Arn. Poison sanicle. Apiaceae
  760. Sanicula crassicaulis DC. Apiaceae
  761. Sanicula tuberosa Torrey. Apiaceae
  762. Satureja douglasii (Benth.) Briq. Verba buena. Lamiaceae
  763. Saxifraga californica E. Greene. Saxifragaceae
  764. Scandix pecten-veneris L. Venus' needle, shepherd's needle. Apiaceae
  765. Schinus molle L. Peruvian pepper tree. Anacardiaceae
  766. Schismus barbatus (L.) Thellung. Poaceae
  767. Scirpus acutus Bigelow var. occidentalis (S. Watson) Beetle. Common tule. Cyperaceae
  768. Scirpus americanus Pers. Cyperaceae
  769. Scirpus californicus (C. Meyer) Steudel. Cyperaceae
  770. Scirpus cernuus Vahl. Cyperaceae
  771. Scirpus maritimus L. Cyperaceae
  772. Scirpus microcarpus C. Presl. Cyperaceae
  773. Scrophularia californica Cham. & Schlecht ssp. californica. California figwort. Scrophulariaceae
  774. Scutellaria tuberosa Benth. Lamiaceae
  775. Sedum spathulifolium Hook. Crassulaceae
  776. Selaginella bigelovii L. Underwood. Selaginellaceae
  777. Senecio aphanactis E. Greene. Asteraceae
  778. Senecio breweri Burtt Davy. Asteraceae
  779. Senecio californicus DC. Asteraceae
  780. Senecio flaccidus Less. var. douglasii (DC.) B. Turner & T. Barkley. Asteraceae
  781. Senecio mikanioides Walp. German-ivy. Asteraceae
  782. Senecio vulgaris L. Common groundsel. Asteraceae
  783. Setaria gracilis Kunth. Poaceae
  784. Setaria pumila (Poiret) Roemer & Schultes. Poaceae
  785. Sherardia arvensis L. Field madder. Rubiaceae
  786. Sidalcea malvaeflora (DC.) Benth. ssp. sparsifolia C. Hitchc. Checker mallow. Malvaceae
  787. Silene antirrhina L. Caryophyllaceae
  788. Silene gallica L. Caryophyllaceae
  789. Silene laciniata Cav. ssp. major C. Hitchc. & Maguire. Caryophyllaceae
  790. Silene multinervia S. Watson. Caryophyllaceae
  791. Silene verecunda S. Watson ssp. platyota (S. Watson) C. Hitchc. & Maguire. Caryophyllaceae
  792. Silybum marianum (L.) Gaertner. Milk thistle. Asteraceae
  793. Sinapsis arvensis L. Charlock. Brassicaceae
  794. Sisymbrium altissimum L. Tumble mustard. Brassicaceae
  795. Sisymbrium irio L. London rocket. Brassicaceae
  796. Sisymbrium officinale L. Hedge mustard. Brassicaceae
  797. Sisymbrium orientale L. Brassicaceae
  798. Sisyrinchium bellum S. Watson. Blue-eyed-grass. Iridaceae
  799. Solanum americanum Miller. Solanaceae
  800. Solanum douglasii Dunal. Solanaceae
  801. Solanum elaeagnifolium Cav. White horse-nettle, silverleaf-nettle. Solanaceae
  802. Solanum rostratum Dunal. Buffalo berry. Solanaceae
  803. Solanum sarrachoides Sendtner. Solanaceae
  804. Solanum xanti A. Gray. Solanaceae
  805. Soleirolia soleirolii (Req.) Dandy. Baby's tears. Urticaceae
  806. Solidago californica Nutt. California goldenrod. Asteraceae
  807. Soliva sessilis Ruiz L÷pez & Pavon. Asteraceae
  808. Sonchus asper (L.) Hill. Prickly sow thistle. Asteraceae
  809. Sonchus oleraceus L. Common sow thistle. Asteraceae
  810. Sorghum halepense (L.) Pers. Johnsongrass. Poaceae
  811. Spartium junceum L. Spanish broom. Fabaceae
  812. Spergula arvensis L. Stickwort, starwort. Caryophyllaceae
  813. Spergularia bocconii (Scheele) Merino. Caryophyllaceae
  814. Spergularia macrotheca (Hornem.) Heynh. var. macrotheca. Caryophyllaceae
  815. Spergularia marina (L.) Griseb. Caryophyllaceae
  816. Sporobolus indicus (L.) R. Br. Smutgrass. Poaceae
  817. Stachys ajugoides Benth. var. rigida Jepson & Hoover. Lamiaceae
  818. Stachys albens A. Gray. Lamiaceae
  819. Stachys bullata Benth. Lamiaceae
  820. Stanleya pinnata (Pursh) Britton var. pinnata. Prince's plume. Brassicaceae
  821. Stebbinsoseris heterocarpa (Nutt.) Chambers. Asteraceae
  822. Stellaria media (L.) Villars. Common chickweed. Caryophyllaceae
  823. Stellaria nitens Nutt. Shining chickweed. Caryophyllaceae
  824. Stenotaphrum secundatum (Walter) Kuntze. Saint Augustine grass. Poaceae
  825. Stephanomeria cichoriacea A. Gray. Asteraceae
  826. Stephanomeria diegensis Gottlieb. Asteraceae
  827. Stephanomeria exigua Nutt. ssp. coronaria (E. Greene) Gottlieb. Asteraceae
  828. Stephanomeria virgata Benth. ssp. pleurocarpa (E. Greene) Gottlieb. Asteraceae
  829. Stephanomeria virgata Benth. ssp. virgata . Asteraceae
  830. Stylocline gnaphaloides Nutt. Everlasting nest straw. Asteraceae
  831. Stylomecon heterophylla (Benth.) G. C. Taylor. Wind poppy. Papaveraceae
  832. Suaeda calceoliformis (Hook.) Moquin. Horned sea-blite. Chenopodiaceae
  833. Suaeda californica S. Watson. California sea-blite. Chenopodiaceae
  834. Suaeda esteroa W. Ferren & S. Whitmore. Estuary sea-blite. Chenopodiaceae
  835. Symphoricarpos mollis Nutt. Creeping snowberry, trip vine. Caprifoliaceae
  836. Tamarix ramosissima Ledeb. Tamarisk, saltcedar. Tamaricaceae
  837. Taraxacum officinale Wiggens. Dandelion. Asteraceae
  838. Tauschia arguta (Torrey & A. Gray) J. F. Macbr. Apiaceae
  839. Tauschia hartwegii (A. Gray) J. F. Macbr. Apiaceae
  840. Tetragonia tetragonioides (Pallas) Kuntze. New Zealand spinach. Aizoaceae
  841. Thalictrum fendleri A. Gray var. polycarpum Torrey. Ranunculaceae
  842. Thelypteris puberula (Baker) C. Morton var. sonorensis A. Reed Smith. Thelypteridaceae
  843. Thysanocarpus curvipes Hook. Brassicaceae
  844. Thysanocarpus laciniatus Torrey & A. Gray. Brassicaceae
  845. Torilis nodosa (L.) Gaertner. Apiaceae
  846. Toxicodendron diversilobum (Torrey & A. Gray) E. Greene. Poison oak, poison ivy. Anacardiaceae
  847. Tragopogon porrifolius L. Oyster plant, salsify. Asteraceae
  848. Tribulus terrestris L. Puncture vine. Zygophyllaceae
  849. Trichostema lanatum Benth. Woolly bluecurls. Lamiaceae
  850. Trichostema lanceolatum Benth. Vinegar weed. Lamiaceae
  851. Trifolium albopurpureum Torrey & A. Gray var. albopurpureum. Fabaceae
  852. Trifolium ciliolatum Benth. Fabaceae
  853. Trifolium depauperatum Desv. Fabaceae
  854. Trifolium fucatum Lindley. Fabaceae
  855. Trifolium gracilentum Torrey & A. Gray var. gracilentum. Fabaceae
  856. Trifolium hirtum All. Rose clover. Fabaceae
  857. Trifolium incarnatum L. Crimson clover. Fabaceae
  858. Trifolium microcephalum Pursh. Fabaceae
  859. Trifolium obtusiflorum Hook. & Arn. Fabaceae
  860. Trifolium repens L. White clover. Fabaceae
  861. Trifolium variegatum Nutt. Fabaceae
  862. Trifolium willdenovii Sprengel. Tomcat clover. Fabaceae
  863. Triglochin concinna Burtt Davy var. concinna. Arrow-grass. Juncaginaceae
  864. Triticum aestivum L. Wheat. Poaceae
  865. Tropaeolum majus L. Garden nasturtium. Tropaeolaceae
  866. Tropidocarpum gracile Hook. Brassicaceae
  867. Typha domingensis Pers. Southern cattail. Typhaceae
  868. Typha latifolia L. Soft-flag, broad-leaved cattail. Typhaceae
  869. Umbellularia californica (Hook. & Arn.) Nutt. California bay, California laurel. Lauraceae
  870. Uropappus lindleyi (DC.) Nutt. Silver puffs. Asteraceae
  871. Urtica dioica L. ssp. holosericea (Nutt.) Thorne. Hoary nettle. Urticaceae
  872. Urtica urens L. Dwarf nettle. Urticaceae
  873. Venegasia carpesioides DC. Canyon-sunflower. Asteraceae
  874. Verbena lasiostachys Link var. lasiostachys. Verbenaceae
  875. Verbena lasiostachys Link var. scabrida Moldenke. Verbenaceae
  876. Verbesina encelioides (Cav.) A. Gray ssp. exauriculata (Robinson & Greenman) J. R. Coleman. Golden crownbeard. Asteraceae
  877. Veronica anagallis-aquatica L. Water speedwell. Scrophulariaceae
  878. Veronica persica Poiret. Persian speedwell. Scrophulariaceae
  879. Vicia americana Willd. var. americana. American vetch. Fabaceae
  880. Vicia ludoviciana Nutt. var. ludoviciana. Fabaceae
  881. Vicia sativa L. ssp. sativa. Common vetch, spring vetch. Fabaceae
  882. Vicia villosa Roth ssp. varia (Host) Corbi¶re. Fabaceae
  883. Vicia villosa Roth ssp. villosa. Hairy vetch, winter vetch. Fabaceae
  884. Viola pedunculata Torrey & A. Gray. Johnny jump-up, wild pansy. Violaceae
  885. Vitis girdiana Munson. Desert wild grape. Vitaceae
  886. Vinca major L. Greater periwinkle. Apocynaceae
  887. Vulpia microstachys (Nutt.) Benth. var. ciliata (Beal) Lonard & Gould. Poaceae
  888. Vulpia microstachys (Nutt.) Benth. var. pauciflora (Beal) Lonard & Gould. Poaceae
  889. Vulpia myuros (L.) C. Gmelin var. hirsuta (Hackel) Asch. & Graebner. Poaceae
  890. Vulpia myuros (L.) C. Gmelin var. myuros. Poaceae
  891. Vulpia octoflora (Walter) Rydb. var. octoflora. Poaceae
  892. Wigandia kunthii Choisy. Hydrophyllaceae
  893. Wolfiella lingulata (Hegelm.) Hegelm. Mud-midget. Lemnaceae
  894. Woodwardia fimbriata (L.) Smith. Giant chain fern. Blechnaceae
  895. Xanthium spinosum L. Spiny cocklebur. Asteraceae
  896. Xanthium strumarium L. Cocklebur. Asteraceae
  897. Yabea microcarpa (Hook. & Arn.) Koso-Polj. Apiaceae
  898. Yucca whipplei Torrey ssp. intermedia A. L. Haines. Agavaceae
  899. Zannichellia palustris L. Horned-pondweed, grass-wrack. Zannichelliaceae
  900. Zigadenus fremontii (Torrey) S. Watson. Star-lily. Melanthiaceae
  901. Zostera marina L. Eel-grass. Zosteraceae

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