| Abutilon palmeri |
Indian mallow |
Yes |
| Acaena pinnatifida var. californica |
Argentinian biddy biddy |
Yes |
| Acer circinatum |
Vine maple |
Yes |
| Acer negundo |
Box elder |
Yes |
| Achillea millefolium |
Yarrow |
No |
| Achillea millefolium ‘Island pink’ |
'Island Pink' Yarrow |
Yes |
| Achillea millefolium Placer County |
Yarrow, Placer County form |
No |
| Achillea millefolium Santa Clara County |
Yarrow, Santa Clara County form |
No |
| Achyrachaena mollis |
Blow Wives |
No |
| Acmispon argophyllus var argenteus |
Channel Island silver lotus |
No |
| Acmispon glaber |
Deer weed |
No |
| Adenostoma fasciculatum |
Chamise |
Yes |
| Adenostoma fasciculatum ‘Nicolas’ |
'Nicolas' Prostrate chamise |
No |
| Adenostoma sparsifolium |
Red shanks |
Yes |
| Adiantum aleuticum |
Five finger fern |
Yes |
| Adiantum capillus-veneris |
Southern maiden hair |
Yes |
| Adiantum x tracyi |
Tracy's maidenhair fern |
Yes |
| Aesculus californica |
California buckeye |
Yes |
| Agave deserti |
Desert agave |
Yes |
| Agave utahensis |
Utah agave |
Yes |
| Allium acuminatum |
Taper Tipped Onion |
No |
| Allium amplectens |
Narrow Leaved Onion |
No |
| Allium fimbriatum |
Fringed onion |
No |
| Allium hyalinum |
Glassy onion |
No |
| Allium unifolium |
One leaf onion |
No |
| Amelanchier alnifolia |
Saskatoon serviceberry |
No |
| Amelanchier pallida |
Pale serviceberry |
Yes |
| Amorpha californica |
California false indigo |
Yes |
| Amorpha fruticosa |
Western false indigo |
Yes |
| Anaphalis margaritacea |
Pearly Everelasting |
Yes |
| Anemopsis californica |
Yerba mansa |
Yes |
| Angelica californica |
California Angelica |
Yes |
| Angelica hendersonii |
Coast Angelica |
Yes |
| Antennaria rosea |
Rosy Pussytoes |
Yes |
| Anthoxanthum occidentale |
Vanilla grass |
Yes |
| Antirrhinum multiflorum |
Chaparral snapdragon |
No |
| Aquilegia formosa |
Western Columbine |
Yes |
| Aquilegia pubescens |
Sierra Columbine |
Yes |
| Aralia californica |
Elk's clover |
No |
| Arbutus menziesii |
Pacific madrone |
No |
| Arctostaphylos andersonii |
Heartleaf manzanita |
No |
| Arctostaphylos auriculata |
Mount Diablo manzanita |
No |
| Arctostaphylos auriculata Knobcone Point |
'Knobcone Point' Mount Diablo manzanita |
No |
| Arctostaphylos Austin Griffiths |
'Austin Griffiths' Manzanita |
Yes |
| Arctostaphylos Baby Bear |
'Baby Bear' Manzanita |
Yes |
| Arctostaphylos bakeri Louis Edmunds |
'Louis Edmunds' Baker's manzanita |
Yes |
| Arctostaphylos catalinae |
Santa Catalina Island Manzanita |
Yes |
| Arctostaphylos crustacea ssp. crustacea |
Brittle leaf manzanita |
No |
| Arctostaphylos cruzensis |
La cruz manzanita |
Yes |
| Arctostaphylos densiflora Harmony |
'Harmony' Vine Hill manzanita |
Yes |