San Francisco Bay Area
- Adenium obesum “Chubby Tubby”
- Adenium obesum “Picotee”
- Adenium socotranum
- Adenium somalense
- Adenium swazicum
- Adiantum capillus-veneris
- Adiantum hispidulum
- Adiantum x tracyi
- Adromischus cristatus
- Adromischus filicaulis
- Adromischus hummels
- Adromischus maculatus
- Adromischus marianae fa. herrei
- Adromischus rupicola
- Aechmea cylindrata
- Aechmea fasciata
- Aechmea nudicaulis “Burle Marx”
- Aechmea recurvata
- Aechmea recurvata v. benrathii
- Aeonium albovariegatum
- Aeonium arboreum
- Aeonium arboreum v. atropurpureum
- Aeonium “Ballerina”
- Aeonium balsamiferum
- Aeonium “Berry Nice”
- Aeonium “Blackbeard”
- Aeonium “Blushing Beauty”
- Aeonium “Cabernet”
- Aeonium canariense
- Aeonium canariense v. virgineum