The information in this site comes from the following sources:
Jepson eFlora is used as the definitive source for species, subspecies and variety names, and as one of the tools to determine whether uncommon species are found in the East Bay.
Calflora and iNaturalist are used to verify that species occur in the East Bay and determine how common they are.
The CNPS Rare Plant Inventory is used to help determine which rare plants are found in the East Bay.
The CNPS East Bay Chapter Rare and Unusual Plant Database is used to help determine which uncommon plants are found in the East Bay.