GMDRC - Sweeney Granite Mountains Desert Research Center (GMDRC)

The University of California’s Sweeney Granite Mountains Desert Research Center Herbarium (GMDRC) houses 14,000 vascular plant specimens, available to researchers and visiting classes at the GMDRC. This regional herbarium holds specimens from the western U.S. with a primary focus on the transmontane bioregions of California, Nevada, Arizona and Utah. Our collection is fully databased (Filemaker Pro) and a digital imaging project is ongoing.
Contacts: Jim André/Tasha La Doux (
Collection Type: Preserved Specimens
Management: Data snapshot of local collection database
Last Update: 10 June 2020
Digital Metadata: EML File
Collection Statistics
  • 12,006 specimen records
  • 9,709 (81%) georeferenced
  • 11,678 (97%) identified to species
  • 131 families
  • 768 genera
  • 2,172 species
  • 3,247 total taxa (including subsp. and var.)
Extra Statistics