| Sphaeralcea sulphurea |
Guadalupe Island Globemallow bush |
Yes |
| Spiraea douglasii |
Rose Spirea |
Yes |
| Spiraea splendens |
Rose Meadowsweet |
Yes |
| Sporobolus airoides |
Sacaton |
Yes |
| Stachys albens |
White Hedgenettle |
Yes |
| Stachys bullata |
Hedgenettle |
No |
| Stachys chamissonis |
Coastal Hedgenettle |
No |
| Stanleya pinnata |
Prince's Plume |
No |
| Stipa cernua |
Nodding needle grass |
Yes |
| Stipa lemmonii |
Lemmon's Needle Grass |
Yes |
| Stipa lepida |
Foothill needle grass |
Yes |
| Stipa pulchra |
Purple needle grass |
Yes |
| Streptanthus polygaloides |
Milkwort jewelflower |
No |
| Styrax redivivus |
Snow Drop Bush |
Yes |
| Symphoricarpos albus |
snowberry |
Yes |
| Symphoricarpos albus ‘Tilden Park’ |
'Tilden Park' snowberry |
Yes |
| Symphoricarpos mollis |
Creeping snowberry |
Yes |
| Symphyotrichum ascendens |
Western Aster |
Yes |
| Symphyotrichum chilensis ‘Pt. St. George’ |
'Pt. St. George' California aster |
Yes |
| Symphyotrichum chilensis ‘Purple haze’ |
'Puple haze' California aster |
No |
| Tanacetum bipinnatum |
Dune Tansy |
No |
| Tellima grandiflora |
Fringe Cups |
No |
| Tetraneuris acaulis |
Angelita Daisy |
No |
| Teucrium glandulosum |
Desert Gemander |
Yes |
| Thalictrum fendleri var. polycarpum |
Meadow Rue |
Yes |
| Thalictrum fendleri var. polycarpum Female Plant |
Meadow Rue Female Plant |
No |
| Thalictrum fendleri var. polycarpum Male Plant |
Meadow Rue Male Plant |
No |
| Thuja plicata |
Western Red Cedar |
No |
| Thymophylla pentachaeta |
Fiveneedle pricklyleaf |
No |
| Tiarella trifoliata |
Sugar Scoop |
No |
| Tolmiea menziesii |
Piggyback Plant |
No |
| Torreya californica |
California nutmeg |
No |
| Toxicoscordion fremontii |
Fremont's star lily |
No |
| Toxicoscordion paniculatum |
Foothill Death Camas |
No |
| Trichostema lanatum |
Woolly Blue Curls |
Yes |
| Trichostema lanatum X purpusii |
Hybrid Woolly Blue Curls |
No |
| Trillium albidum |
White Trillium |
Yes |
| Triteleia hyacinthina |
White Brodiaea |
No |
| Triteleia ixioides |
Pretty face |
No |
| Triteleia laxa ‘Queen Fabiola’ |
'Queen Fabiola' Ithuriel's Spear |
No |
| Triteleia peduncularis |
Long Rayed Brodiaea |
No |
| Umbellularia californica |
Caifornia Bay Laurel |
No |
| Umbellularia californica Santa Clara County |
Caifornia Bay Laurel Santa Clara County |
No |
| Vaccinium ovatum |
California huckleberry |
Yes |
| Vancouveria hexandra |
White insideout flower |
No |
| Venegasia carpesioides |
Canyon Sunflower |
No |
| Veratrum fimbriatum |
Fringed Corn Lily |
Yes |
| Verbena lasiostachys |
Western vervain |
No |
| Verbena lilacina ‘de la mina’ |
Purple Cedros Island verbena 'de la mina' |
Yes |
| Verbena lilacina ‘Paseo Rancho’ |
Purple Cedros Island Verbena 'Paseo Rancho' |
Yes |