| Salvia Thor |
'Thor' sage |
Yes |
| Salvia vaseyi |
Wand Sage |
No |
| Salvia Whirly Blue |
'Whirly Blue' sage |
Yes |
| Sambucus nigra ssp. caerulea |
Blue elderberry |
Yes |
| Sambucus racemosa |
Red elderberry |
Yes |
| Sanicula crassicaulis |
Pacific Sanicle |
No |
| Scoliopus bigelovii |
Fetid Adder's Tongue |
No |
| Scrophularia atrata |
Black Flowered Figwort |
Yes |
| Scrophularia californica |
Bee Plant |
Yes |
| Scrophularia californica Santa Clara County |
Bee Plant Santa Clara County |
Yes |
| Scutellaria californica |
California skullcap |
Yes |
| Scutellaria mexicana |
Mexican Bladdersage |
No |
| Sedum spathulifolium ‘Tomales Bay’ |
'Tomales Bay' Common Stonecrop |
No |
| Senecio palmeri ‘Silver and Gold’ |
'Silver and Gold' Guadalupe Island Senecio |
Yes |
| Senegalia greggii |
Catclaw |
Yes |
| Sequoia sempervirens |
California redwood |
Yes |
| Sequoia sempervirens |
California redwood Santa Clara County |
Yes |
| Sequoia sempervirens ‘Aptos blue’ |
'Aptos Blue' California redwood |
Yes |
| Sequoiadendron giganteum |
GIant Sequoia |
Yes |
| Sidalcea calycosa ssp. rhizomata |
Pt. Reyes Checker Bloom |
No |
| Sidalcea malviflora |
Checker Bloom |
No |
| Sidalcea malviflora Purpetta |
Checker Bloom 'Purpetta' |
No |
| Sidalcea malviflora ssp. patula |
Siskyou Checker Bloom |
No |
| Sidalcea oregana |
Oregon Checker Bloom |
Yes |
| Silene laciniata ssp. californica |
California Indian Pink |
No |
| Simmondsia chinensis |
Jojoba |
Yes |
| Sisyrinchium bellum |
Blue eyed grass |
Yes |
| Sisyrinchium bellum – white flower |
White flowered form of blue eyed grass (Santa Clara County) |
No |
| Sisyrinchium bellum ‘San Simeon’ |
White flowered form of blue eyed grass 'San Simeon' |
No |
| Sisyrinchium bellum ‘Rocky Point’ |
'Rocky Point' Blue Eyed Grass |
No |
| Sisyrinchium californica |
Yellow eyed grass |
No |
| Solanum americanum |
American Black Nightshade |
Yes |
| Solanum hindsianum |
Baja California Nightshade |
Yes |
| Solanum umbelliferum |
Bluewitch Nightshade |
Yes |
| Solanum umbelliferum Santa Clara County |
Bluewitch Nightshade, Santa Clara County |
Yes |
| Solanum umbelliferum var. incanum |
White-stemmed Nightshade |
Yes |
| Solanum wallacei |
Catalina Nightshade |
Yes |
| Solanum xanti ‘Mountain Pride’ |
'Mountain Pride' Purple Nightshade |
Yes |
| Solidago elongata |
Cascade goldenrod |
No |
| Solidago velutina ssp. californica |
California goldenrod |
Yes |
| Sphaeralcea ambigua |
Desert Mallow |
Yes |
| Sphaeralcea ambigua ‘Louis Hamilton’ |
'Louis Hamilton' Desert Mallow |
Yes |
| Sphaeralcea fulva ‘La Luna’ |
'La Luna' Baja Desert Mallow |
Yes |
| Sphaeralcea grossulariifolia |
Gooseberryleaf Globemallow |
No |
| Sphaeralcea munroana |
Munro's Globemallow |
Yes |
| 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 |