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Collection Profile for:
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, Myrtaceae, and Podostemaceae of the New World.
Date Founded: 1837.

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Contacts:

Address:

University of Michigan Herbarium
3600 Varsity Drive
Ann Arbor, MI   48108-2228
U.S.A.
734-615-6200

Collection Statistics

  • 615,133 specimen records
  • 185,416 (30%) georeferenced
  • 525,526 (85%) with media (711,914 total media)
  • 10 GenBank genetic references
  • 574,849 (93%) identified to species
  • 375 families
  • 5,800 genera
  • 45,587 species
  • 50,267 total taxa (including subsp. and var.)

Extra Statistics

Show Geographic Distribution
Show Family Distribution
Collection Type: Preserved Specimens
Management: Data snapshot of local collection database
Last Update: 5 June 2025
DwC-Archive Access Point
Digital Metadata: EML File
IPT / DwC-A Source: Import map from MICH IPT
Usage Rights:
Taxon Distribution
Taxon Distribution
  • Aconogonon (5)
  • Antenoron (11)
  • Antigonon (14)
  • Atraphaxis (13)
  • Bistorta (292)
  • Calligonum (11)
  • Chorizanthe (9)
  • Coccoloba (28)
  • Dedeckera (1)
  • Eriogonum (98)
  • Fagopyrum (61)
  • Fallopia (530)
  • Gymnopodium (1)
  • Johanneshowellia (1)
  • Koenigia (18)
  • Muehlenbeckia (5)
  • Nemacaulis (1)
  • Oxyria (27)
  • Oxytheca (1)
  • Persicaria (2471)
  • Polygonella (2)
  • Polygonum (1515)
  • Pteropyrum (1)
  • Pterostegia (1)
  • Rheum (19)
  • Rumex (1260)
  • Ruprechtia (5)
  • Triplaris (4)