University of Wyoming Rocky Mountain Herbarium (RM)

Founded in 1893 by Aven Nelson, the Rocky Mountain Herbarium (RM) contains the largest collection of Rocky Mountain plants and fungi in existence with additional representation of the floras of other parts of the Northern Hemisphere. It ranks 17th in the nation with 825,000 specimens and is the largest facility of its kind between St. Louis, Missouri, and Berkeley, California.
Contacts: Dr. Ron Hartman, Curator,
Collection Type: Preserved Specimens
Management: Data snapshot of local collection database
Last Update:
Digital Metadata: EML File
Collection Statistics
  • 5,613 specimen records
  • 1,874 (33%) georeferenced
  • 5,612 (100%) with images (6,530 total images)
  • 5,499 (98%) identified to species
  • 94 families
  • 299 genera
  • 807 species
  • 864 total taxa (including subsp. and var.)
Extra Statistics
Taxon Distribution
Taxon Distribution