Colorado State University, Charles Maurer Herbarium (CS)

The Charles Maurer Herbarium Collection is the third largest collection of vascular plants (> 104,000 specimens) and is the oldest herbarium (began in 1883) in the southern Rocky Mountain region. Important collections include those by J. Ackerfield, J. Cassidy, J. H. Cowen, C.S. Crandall, and H.D. Harrington. The herbarium has an excellent representation of the Colorado flora as well as the flora of the southern Rocky Mountain region. These herbarium specimens were the primary bases for the Colorado floras published by Rydberg (1906), Harrington (1954), and Ackerfield (2015).

Contacts: Jennifer Ackerfield,
Collection Type: Preserved Specimens
Management: Live Data managed directly within data portal
Global Unique Identifier: f5db692d-95c2-4532-a9e0-76a3d2bb675a
Digital Metadata: EML File
Colorado State University
Biology Department
Fort Collins, CO   
United States
Collection Statistics
  • 98,916 specimen records
  • 62,253 (63%) georeferenced
  • 68,280 (69%) with images (73,426 total images)
  • 95,912 (97%) identified to species
  • 222 families
  • 1,625 genera
  • 7,147 species
  • 7,986 total taxa (including subsp. and var.)
Extra Statistics
Taxon Distribution
Taxon Distribution