Harry D. Thiers Herbarium at San Francisco State University (SFSU)

The Harry D. Thiers Herbarium at San Francisco State University maintains over 113,ooo specimens. Its primary research focus is mycological. Most of the early collections were made by Harry Thiers and his students, and later by Dennis Desjardin and his students. Specialties include fleshy fungi of North America, Hawai'i, Indonesia, and southeast Asia; California lichens, bryophytes, and flowering plants, with an exceptionally large collection of Arctostaphylos.
Contacts: Dennis Desjardin, Director (ded@sfsu.edu)
Collection Type: Preserved Specimens
Management: Data snapshot of local collection database
Last Update:
Digital Metadata: EML File
Collection Statistics
  • 4,416 specimen records
  • 241 (5%) georeferenced
  • 4,359 (99%) with images (5,441 total images)
  • 3,602 (82%) identified to species
  • 37 families
  • 78 genera
  • 444 species
  • 477 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