California Greenbrier
Smilax californica
Calscape.org
Calscape.org
American Black Nightshade
Solanum americanum
Calscape.org
Douglas' Nightshade
Solanum douglasii
Calscape.org
Brenda Butner Baja Nightshade
Solanum hindsianum 'Brenda Butner'
Calscape.org
Parish's Nightshade
Solanum parishii
Calscape.org
Bluewitch Nightshade
Solanum umbelliferum
Calscape.org
Indian's Grey Blue Witch
Solanum umbelliferum 'Indian's Grey'
Calscape.org
Mt Diablo Blue Witch Nightshade
Solanum umbelliferum 'Mt Diablo'
Calscape.org
Spring Frost Blue Witch
Solanum umbelliferum 'Spring Frost'
Calscape.org
Purple Nightshade
Solanum xanti
Calscape.org
Mountain Pride Blue Witch
Solanum xanti 'Mountain Pride'
Calscape.org
Navajo Creek Blue Witch
Solanum xanti 'Navajo Creek'
Calscape.org
Otay Mountain Blue Witch
Solanum xanti 'Otay Mountain'
Calscape.org
Canadian Goldenrod
Solidago elongata
Calscape.org
Canada Goldenrod
Solidago lepida
Calscape.org
Rocky Mountain Goldenrod
Solidago multiradiata
Calscape.org
Coast Goldenrod
Solidago spathulata
Calscape.org
Showy Goldenrod
Solidago spectabilis
Calscape.org
California Goldenrod
Solidago velutina ssp. californica
Calscape.org
Great Basin Goldenrod
Solidago velutina ssp. sparsiflora
Calscape.org
Mountain Ash
Sorbus scopulina
Calscape.org
Dwarf
Sorbus sitchensis var. grayi
Calscape.org
Narrowleaf Bur Reed
Sparganium angustifolium
Calscape.org
Emersed Bur Reed
Sparganium emersum
Calscape.org
Broadfruit Bur-reed
Sparganium eurycarpum
Calscape.org
Bur Reed
Sparganium eurycarpum var. eurycarpum
Calscape.org
Simplestem Bur Reed
Sparganium eurycarpum var. greenei
Calscape.org
Alkali Cord Grass
Spartina gracilis
Calscape.org
Large Flowered Sand Spurry
Spergularia macrotheca
Calscape.org
Desert Globemallow
Sphaeralcea ambigua
Calscape.org
Louis Hamilton Desert Mallow
Sphaeralcea ambigua 'Louis Hamilton'
Calscape.org
Mountain Apricot Mallow
Sphaeralcea ambigua var. ambigua
Calscape.org
Copper Globe Mallow
Sphaeralcea angustifolia
Calscape.org
Coulter's Globemallow
Sphaeralcea coulteri
Calscape.org
La Luna Desert Mallow
Sphaeralcea fulva 'La Luna'
Calscape.org
Gooseberryleaf Globemallow
Sphaeralcea grossulariifolia
Calscape.org
Munro's Globemallow
Sphaeralcea munroana
Calscape.org
Rusby's Globemallow
Sphaeralcea rusbyi
Calscape.org
Woollyhead Parsnip
Sphenosciadium capitellatum
Calscape.org
Douglas's Spirea
Spiraea douglasii
Calscape.org
Alkali Sacaton
Sporobolus airoides
Calscape.org
Spike Dropseed
Sporobolus contractus
Calscape.org
Sand Dropseed
Sporobolus cryptandrus
Calscape.org
Big Sacaton
Sporobolus wrightii
Calscape.org
Ajuga Hedge Nettle
Stachys ajugoides
Calscape.org
White Hedge Nettle
Stachys albens
Calscape.org
Marsh Hedgenettle
Stachys palustris
Calscape.org
Rigid Hedge Nettle
Stachys rigida var. rigida
Calscape.org
Prince's Plume
Stanleya pinnata
Calscape.org
Western Featherbells
Stenanthium occidentale
Calscape.org
Stemless Mock Goldenweed
Stenotus acaulis
Calscape.org
Chicory Leaved Stephanomeria
Stephanomeria cichoriacea
Calscape.org
Parry's Rock Pink
Stephanomeria parryi
Calscape.org
Parish's Wire Lettuce
Stephanomeria pauciflora
Calscape.org
Rod Wirelettuce
Stephanomeria virgata
Calscape.org
Mojave Toothleaf
Stillingia paucidentata
Calscape.org
Nodding Needle Grass
Stipa cernua
Calscape.org
Needle & Thread Grass
Stipa comata var. comata
Calscape.org
Giant Stipa
Stipa coronata
Calscape.org
San Diego County Needle Grass
Stipa diegoensis