| Arctostaphylos viscida |
Whiteleaf manzanita |
No |
| Arctostaphylos White Lanterns |
'White Lanterns' Manzanita |
No |
| Arctostaphylos x media Garcia River |
'Garcia River' hybrid manzanita |
Yes |
| Arctostaphylos x media Peter Ehrlich |
'Peter Ehrlich' hybrid manzanita |
No |
| Arctostaphylos x media Point Arena Forms |
'Point Arena Forms' hybrid manzanita |
Yes |
| Aristida purpurea |
Purple three awn |
No |
| Aristolochia californica |
California pipevine |
Yes |
| Armeria maritima |
Sea Pink |
No |
| Artemisia californica |
California Sagebrush |
No |
| Artemisia californica Canyon Gray |
California Sagebrush 'Canyon Gray' |
Yes |
| Artemisia californica Montara |
California Sagebrush 'Montara' |
No |
| Artemisia californica Santa Clara County |
California Sagebrush Santa Clara County |
No |
| Artemisia douglasiana |
Douglas' mugwort |
Yes |
| Artemisia nesiotica |
Island Sagebrush |
No |
| Artemisia pycnocephala ‘David’s Choice’ |
'David's Choice' sand hill sage |
Yes |
| Artemisia tridentata |
Big Sagebrush |
No |
| Asarum caudatum |
Ginger Root |
No |
| Asclepias californica |
California milkweed |
No |
| Asclepias cordifolia |
Heartleaf milkweed |
No |
| Asclepias eriocarpa |
Kotolo milkweed |
Yes |
| Asclepias fascicularis |
Narrow leaf milkweed |
Yes |
| Asclepias speciosa |
Showy milkweed |
Yes |
| Asclepias speciosa Davis |
Showy milkweed 'Davis' |
No |
| Aster chilensis ‘Pt. St. George’ |
See Symphyotrichum chilensis 'Pt. St. George' California aster |
Yes |
| Aster chilensis ‘Purple haze’ |
See Symphyotrichum chilensis 'Purple haze' California aster |
Yes |
| Athyrium filix-femina |
Lady Fern |
Yes |
| Athyrium filix-femina ‘Minutissimum’ |
'Minutissimum' Dwarf Lady Fern |
No |
| Atriplex canescens |
Four Wing Salt Bush |
Yes |
| Atriplex lentiformis ‘Compact Island form’ |
'Compact Island form' Big Salt Bush |
No |
| Atriplex lentiformis ssp. breweri |
Quail Bush |
Yes |
| Atriplex leucophylla |
Seascale |
Yes |
| Baccharis glutinosa |
Douglas's Baccharis |
Yes |
| Baccharis pilularis Pigeon Point |
'Pigeon Point' Dwarf coyote bush |
No |
| Baccharis pilularis ssp. consanguinea |
Coyote Bush |
Yes |
| Baccharis pilularis ssp. consanguinea – Male Form |
Coyote Bush - Male Form |
No |
| Baccharis pilularis Twin Peaks |
'Twin Peaks' Dwarf coyote bush |
No |
| Baccharis pilularis Twin Peaks II |
'Twin Peaks II' Dwarf coyote bush |
Yes |
| Baccharis salicifolia |
Mule Fat |
Yes |
| Baccharis salicina |
Emory's Baccharis |
Yes |
| Baccharis sarothroides |
Desert Broom |
No |
| Bahiopsis laciniata |
San Diego County Viguiera |
No |
| Baileya multiradiata |
Desert marigold |
Yes |
| Berberis aquifolium |
Oregon grape |
No |
| Berberis aquifolium var dictyota |
Shining Netvein Barberry |
Yes |
| Berberis aquifolium var repens |
Creeping oregon grape |
Yes |
| Berberis fremontii |
Fremont Barberry |
No |
| Berberis Golden Abundance |
Barberry 'Golden Abundance' |
No |
| Berberis haematocarpa |
Red Fruited Mahonia |
Yes |
| Berberis nervosa |
Cascade Oregon Grape |
No |
| Berberis nevinii |
Nevin's barberry |
No |