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 Type: Preserved Specimens
Management: Data snapshot of local collection database
Last Update: 27 May 2022
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
  • 435,869 specimen records
  • 166,744 (38%) georeferenced
  • 347,382 (80%) with images (518,199 total images)
  • 3 GenBank genetic references
  • 415,092 (95%) identified to species
  • 300 families
  • 3,324 genera
  • 22,482 species
  • 25,489 total taxa (including subsp. and var.)
Extra Statistics
Geographic Distribution - Iowa
Click on the specimen record counts within the parenthesis to return the records for that term
  • Adams (1)
  • Allamakee (14)
  • Benton (1)
  • Black Hawk (2)
  • Boone (7)
  • Bremer (9)
  • Buchanan (1)
  • Buena Vista (1)
  • Butler (3)
  • Cedar (3)
  • Cerro Gordo (4)
  • Chickasaw (2)
  • Clay (39)
  • Clayton (8)
  • Clinton (5)
  • Crawford (1)
  • Davis (6)
  • Decatur (1)
  • Delaware (1)
  • Des Moines (7)
  • Dickinson (12)
  • Dubuque (4)
  • Emmet (24)
  • Fayette (5)
  • Floyd (1)
  • Franklin (1)
  • Fremont (3)
  • Greene (3)
  • Guthrie (4)
  • Hamilton (5)
  • Hancock (3)
  • Hardin (5)
  • Harrison (3)
  • Henry (4)
  • Humboldt (1)
  • Jasper (1)
  • Johnson (11)
  • Jones (12)
  • Keokuk (1)
  • Kossuth (1)
  • Lee (12)
  • Linn (1)
  • Lucas (1)
  • Lyon (5)
  • Mahaska (2)
  • Marshall (4)
  • Mills (34)
  • Mitchell (1)
  • Monona (5)
  • Monroe (5)
  • Montgomery (15)
  • Muscatine (16)
  • O'Brien (1)
  • Page (32)
  • Palo Alto (21)
  • Plymouth (2)
  • Polk (5)
  • Pottawattamie (4)
  • Poweshiek (33)
  • Ringgold (2)
  • Scott (3)
  • Story (55)
  • Tama (3)
  • Taylor (18)
  • Union (1)
  • Van Buren (34)
  • Wapello (1)
  • Warren (1)
  • Washington (40)
  • Wayne (1)
  • Webster (2)
  • Whiteside (1)
  • Winneshiek (4)
  • Woodbury (5)
  • Worth (1)
  • no data (33)