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: 21 December 2023
Digital Metadata: EML File
Sweeney Granite Mountains Desert Research Center
UC Natural Reserve System
HC1 Box 101
Kelso, CALIFORNIA   92309
UPS and FEDEX: 909 Armory Rd. #118, Barstow, CA 92311
Collection Statistics
  • 16,189 specimen records
  • 704 (4%) georeferenced
  • 16,074 (99%) identified to species
  • 127 families
  • 831 genera
  • 2,538 species
  • 3,772 total taxa (including subsp. and var.)
Extra Statistics