SDSU Santa Margarita Ecological Reserve Vascular Plant Checklist
Authors: Michael G. Simpson

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Families: 85
Genera: 263
Species: 400
Total Taxa (details): 407

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Blitum californicum S. Wats. - California Goosefoot
Note: A relatively recent name change from Chenopodium californicum.; Simpson, Michael G. 2068 [SDSU], George R. Johnstone s.n. [RSA]
Note: Taxonomy of this species, which often includes infraspecies, is in need of study.; Miller, W. 1972-00-00 [SDSU]
Asparagus officinalis L. - Garden Asparagus
Bidens pilosa L. - Common Beggar’s Tick, Spanish Needles
Solidago velutina DC. - Velvety Goldenrod
Sonchus asper (L.) Hill - Prickly Sow-Thistle
Stephanomeria exigua - Small Wreath-Plant
Cryptantha clevelandii Greene - Cleveland's Cryptantha
Cryptantha micromeres (A. Gray) Greene - Minute-Flower Cryptantha
Note: Most recent study (Simpson et al. 2017. Taxon 66: 1406–1420) indicates this species belongs in Cryptantha, not Johnstonella; needs confirmation.; Russell, Adrienne D. 120 [SDSU], Simpson, Michael G. 2099 [SDSU]
Lepidium virginicum L. - Virginia Peppercress
Silene laciniata Cav. - Southern Pink
Note: The subspecies of Calystegia macrostegia are not recognized in a recent thesis, Namoff, S. M. 2017. Hybridization processes, biogeographic patterns and taxonomic rearrangements within Calystegia (Convolvulaceae). PhD. Claremont Graduate University, Claremont, California, USA, which we follow here. In addition, that work recommends transfer of all Calystegia taxa to the genus Convolvulus; Mass, Jeremy 10 [SDSU], Dong, Dang 7 [SDSU], Austin, Jonathan S. 13 [SDSU], Dice, James C. 740 [SDSU], more...
Cuscuta californica Hook. & Arn. - California/Chaparral Dodder
Equisetum hyemale L. - Western Scouringrush
Arctostaphylos glandulosa Eastw. - Eastwood's manzanita
Acmispon americanus (Nutt.) Rydb. - American Lotus, Spanish-Clover
Vicia villosa Roth - Hairy Vetch, Winter Vetch
Quercus wislizeni A. DC. - interior live oak
Calochortus weedii Alph.Wood - Weed's Mariposa Lily
Abronia villosa S. Watson - desert sand verbena
Epilobium canum (Greene) P.H. Raven - California Fuchsia, Hummingbird Trumpet
Oenothera elata Kunth - Tall Evening-Primrose
Hordeum murinum L. - Wall Barley
Polygala cornuta Kellogg - Sierra milkwort
Chorizanthe fimbriata Nutt. - Fringed Spineflower
Eriogonum fasciculatum Benth. - California Buckwheat
Eriogonum gracile Benth. - Slender Buckwheat
Galium nuttallii A. Gray - San Diego Bedstraw
Galium porrigens Dempster - Climbing/Oval-Leaf Bedstraw
Populus fremontii S. Watson - Western Cottonwood
Salix lasiandra Benth. - Pacific willow
Urtica dioica L. - Tall Nettle