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
  • Aconogonon (5)
  • Antigonon (8)
  • Bistorta (259)
  • Chorizanthe (9)
  • Coccoloba (28)
  • Dedeckera (1)
  • Eriogonum (98)
  • Fagopyrum (33)
  • Fallopia (469)
  • Gymnopodium (1)
  • Johanneshowellia (1)
  • Koenigia (12)
  • Nemacaulis (1)
  • Oxyria (13)
  • Oxytheca (1)
  • Persicaria (2232)
  • Polygonella (4)
  • Polygonum (1321)
  • Pteropyrum (1)
  • Pterostegia (1)
  • Rheum (12)
  • Rumex (1157)
  • Ruprechtia (5)
  • Triplaris (4)