Collection Profile for: Carnegie Museum of Natural History Herbarium (CM-Botany) The Carnegie Museum herbarium (CM) has over 540,000 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).
Collection Statistics
550,041 specimen records
326,477 (59%) georeferenced
228,349 (42%) with media (228,366 total media) 529,347 (96%) identified to species 475 families 7,126 genera 49,113 species 55,398 total taxa (including subsp. and var.)
Collection Type: Preserved Specimens
Management:
Data snapshot of local collection database
Last Update:
30 June 2025
Usage Rights:
Rights Holder:
Carnegie Museum of Natural History
Taxon Distribution
Taxon Distribution
Acanthocereus (2 ) Ariocarpus (1 ) Arrojadoa (1 ) Astrophytum (2 ) Austrocylindropuntia (1 ) Bergerocactus (1 ) Carnegiea (17 ) Cephalocereus (2 ) Cereus (10 ) Cleistocactus (2 ) Coleocephalocereus (1 ) Corryocactus (1 ) Coryphantha (8 ) Cylindropuntia (1 ) Disocactus (2 ) Echinocactus (12 ) Echinocereus (42 ) Echinomastus (2 ) Echinopsis (1 ) Epiphyllum (9 ) Eriosyce (1 ) Espostoa (1 ) Ferocactus (20 ) Gymnocalycium (5 ) Hamatocactus (1 ) Harrisia (1 ) Heliocereus (1 ) Hylocereus (6 ) Lemaireocereus (5 ) Leuchtenbergia (1 ) Lophocereus (3 ) Mammillaria (28 ) Matucana (1 ) Morawetzia (1 ) Myrtillocactus (3 ) Neolloydia (2 ) Notocactus (3 ) Opuntia (194 ) Oreocereus (2 ) Pachgerocereus (1 ) Pachycereus (6 ) Pediocactus (14 ) Pereskia (8 ) Pilosocereus (1 ) Rebutia (1 ) Rhipsalis (25 ) Schlumbergera (5 ) Sclerocactus (8 ) Selenicereus (2 ) Stenocereus (3 ) Thelocactus (3 ) Weberocereus (1 ) Wittia (1 )