University of Michigan Herbarium (MICH)

Specialty: Worldwide, especially temperate North America and the Great Lakes region. Specific strengths include marine algae of eastern North America, West Indies, Alaska, and Pacific Islands; bryophytes of tropical America; Agaricaceae and Hymenogastraceae of western North America; vascular plants of Mexico, Iran, Himalayas, southwestern Pacific Region, and southeastern Asia; Cyperaceae, Malpighiaceae, and Myrtaceae of the New World.
Date Founded: 1837.

Collection Manager: Brad Ruhfel, umherb-data@umich.edu
Collection Manager: Aly Baumgartner, umherb-data@umich.edu
Technical Support: Garth Holman, gholman@umich.edu
Technical Support: Matthew Cruz, mcruz@umich.edu
Collection Type: Preserved Specimens
Management: Data snapshot of local collection database
Last Update: 4 March 2024
IPT / DwC-A Source:
Digital Metadata: EML File
Address:
University of Michigan Herbarium
3600 Varsity Drive
Ann Arbor, MI   48108-2228
U.S.A.
734-615-6200
Collection Statistics
  • 568,115 specimen records
  • 179,924 (32%) georeferenced
  • 480,069 (85%) with images (665,002 total images)
  • 10 GenBank genetic references
  • 534,972 (94%) identified to species
  • 362 families
  • 5,446 genera
  • 41,710 species
  • 46,173 total taxa (including subsp. and var.)
Extra Statistics
Taxon Distribution
Taxon Distribution
  • Acanthocereus (31)
  • Aporocactus (7)
  • Ariocarpus (5)
  • Armatocereus (4)
  • Astrophytum (1)
  • Bergerocactus (1)
  • Borzicactus (9)
  • Brasiliopuntia (1)
  • Browningia (7)
  • Calymmanthium (1)
  • Carnegiea (1)
  • Cephalocereus (9)
  • Cereus (5)
  • Cleistocactus (5)
  • Consolea (11)
  • Corryocactus (3)
  • Corynopuntia (2)
  • Coryphantha (24)
  • Cumulopuntia (1)
  • Cylindropuntia (121)
  • Deamia (1)
  • Dendrocereus (4)
  • Disocactus (49)
  • Eccremocactus (1)
  • Echinocactus (13)
  • Echinocereus (269)
  • Echinofossulocactus (1)
  • Echinopsis (8)
  • Epiphyllum (37)
  • Eriosyce (3)
  • Escobaria (19)
  • Espostoa (4)
  • Eulychnia (1)
  • Ferocactus (26)
  • Grusonia (23)
  • Haageocereus (4)
  • Harrisia (10)
  • Hatiora (1)
  • Heliocereus (17)
  • Hylocereus (4)
  • Lepismium (8)
  • Leptocereus (1)
  • Leucostele (1)
  • Leuenbergeria (18)
  • Lobivia (2)
  • Lophocereus (4)
  • Lymanbensonia (1)
  • Mammillaria (186)
  • Mammilloydia (2)
  • Matucana (3)
  • Melocactus (6)
  • Mitrocereus (1)
  • Myrtillocactus (9)
  • Neolloydia (4)
  • Nopalea (4)
  • Nyctocereus (4)
  • Opuntia (589)
  • Oreocereus (1)
  • Pachycereus (9)
  • Parodia (1)
  • Pediocactus (2)
  • Peniocereus (5)
  • Pereskia (13)
  • Pereskiopsis (14)
  • Pfeiffera (2)
  • Pilosocereus (19)
  • Polaskia (1)
  • Praecereus (1)
  • Pseudorhipsalis (8)
  • Pterocereus (3)
  • Rhipsalis (107)
  • Schlumbergera (2)
  • Sclerocactus (12)
  • Selenicereus (74)
  • Stenocactus (2)
  • Stenocereus (43)
  • Thelocactus (9)
  • Trichocereus (1)
  • Weberbauerocereus (4)
  • Weberocereus (5)
  • Weingartia (1)
  • Wittia (1)