Robert F. Hoover Herbarium, Cal Poly State University (OBI)

The Hoover Herbarium houses 85,000+ specimens of vascular plants, algae, lichens, and bryophytes. The geographic focus is San Luis Obispo County, California. The collection also includes many specimens from other areas of California, other states of the US, particularly Arizona, and some from other regions of the world, especially Mexico. Emphasis areas in the collection include Asteraceae, Lupinus, and cultivated Eucalyptus. Major collections include Robert F. Hoover (1946–1969), David J. Keil (1966–present), Rhonda Riggins (1970s–2000), Tracy Call (mostly Apiaceae—late 1940s–1960s), and Robert J. Rodin (1940s–1977). The collection is used extensively in undergraduate teaching and training.

Important Collections: Robert F. Hoover (1946–1969), David J. Keil (1966–present), Rhonda Riggins (1970s–2000), Tracy Call (mostly Apiaceae—late 1940s–1960s), and Robert J. Rodin (1940s–1977)
Contact: Jenn Yost, Director and Assistant Professor o (jyost@calpoly.edu)
Collection Type: Preserved Specimens
Management: Data snapshot of local collection database
Last Update: 13 December 2019
IPT / DwC-A Source:
Digital Metadata: EML File
Collection Statistics
  • 77,367 specimen records
  • 32,819 (42%) georeferenced
  • 64,704 (84%) with images
  • 56,381 (73%) identified to species
  • 264 families
  • 1,400 genera
  • 5,372 species
  • 6,869 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