Carnegie Museum of Natural History Herbarium (CM-Botany)

The Carnegie Museum herbarium (CM) has over 530,000 worldwide vascular plant specimens as well as the best representation in any herbarium of specimens from western Pennsylvania and the Upper Ohio Basin. CM holds the private herbarium of Hannibal and Tyrecca Davis containing 20,000 specimens with a concentration on Rubus (Rosaceae).
Contacts: Bonnie L. Isaac,
Collection Type: Preserved Specimens
Management: Data snapshot of local collection database
Last Update: 19 October 2021
Digital Metadata: EML File
Rights Holder: Carnegie Museum of Natural History
Carnegie Museum of Natural History
Herbarium, Section of Botany
4400 Forbes Ave
Pittsburgh, PA   15213
Collection Statistics
  • 537,800 specimen records
  • 289,481 (54%) georeferenced
  • 172,378 (32%) with images (172,393 total images)
  • 491,979 (91%) identified to species
  • 441 families
  • 6,004 genera
  • 38,685 species
  • 43,684 total taxa (including subsp. and var.)
Extra Statistics
Taxon Distribution
Taxon Distribution
  • Ephedra (111)