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
  • Achyranthes (16)
  • Acroglochin (2)
  • Aerva (14)
  • Allenrolfea (1)
  • Allmania (1)
  • Alternanthera (10)
  • Amaranthus (938)
  • Anthochlamys (1)
  • Arthrophytum (2)
  • Atriplex (107)
  • Axyris (7)
  • Bassia (23)
  • Beta (1)
  • Celosia (6)
  • Chamissoa (1)
  • Charpentiera (1)
  • Chenopodium (886)
  • Climacoptera (1)
  • Corispermum (53)
  • Cyathula (7)
  • Cycloloma (67)
  • Deeringia (10)
  • Digera (3)
  • Dysphania (211)
  • Froelichia (8)
  • Gomphrena (6)
  • Guilleminea (1)
  • Halogeton (3)
  • Haloxylon (1)
  • Iresine (26)
  • Kochia (13)
  • Krascheninnikovia (11)
  • Lagrezia (3)
  • Monolepis (1)
  • Noaea (2)
  • Nototrichium (1)
  • Pfaffia (1)
  • Pupalia (1)
  • Salicornia (11)
  • Salsola (68)
  • Sarcocornia (13)
  • Spinacia (1)
  • Suaeda (18)