Carnegie Museum of Natural History Herbarium (CM)

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).
Contact: Bonnie L. Isaac (
Collection Type: Preserved Specimens
Management: Data snapshot of local collection database
Last Update: 13 June 2017
Usage Rights: CC0 1.0 (Public-domain)
Rights Holder: Carnegie Museum of Natural History
Carnegie Museum of Natural History
Herbarium, Section of Botany
4400 Forbes Ave
Pittsburgh, PA   15213
Collection Statistics:
  • 525,281 specimen records
  • 98,800 (19%) georeferenced
  • 448,528 (85%) identified to species
  • 405 families
  • 4,961 genera
  • 29,534 species
  • 32,653 total taxa (including subsp. and var.)
Extra Statistics