California Academy of Sciences Bryophyte dataset (CAS-BOT-BC)

The herbarium of the California Academy of Sciences (CAS) is the largest collection of vascular plants in the western U.S. It is the sixth largest collection in the United States. The bryophytes comprise less than 5% of the collection, about 150,000 specimens. Together with the Herbarium of the University of California at Berkeley (UC) the San Francisco Bay area is regarded as a National Resource Center for systematic botany. These two major collections have an informal agreement to avoid duplication, thus providing botanists with a rich and varied resource for research.

Contacts: Emily Magnaghi,
Collection Type: Preserved Specimens
Management: Data snapshot of local collection database
Last Update: 17 May 2024
IPT / DwC-A Source:
Digital Metadata: EML File
California Academy of Sciences
Herbarium, Department of Botany
55 Music Concourse Drive
San Francisco, California   94118-4503
Collection Statistics
  • 91,047 specimen records
  • 59,131 (65%) georeferenced
  • 55,653 (61%) with images (110,915 total images)
  • 88,653 (97%) identified to species
  • 141 families
  • 591 genera
  • 2,816 species
  • 3,055 total taxa (including subsp. and var.)
Extra Statistics
Geographic Distribution
Click on the specimen record counts within the parenthesis to return the records for that term