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
  • Aglaonema (55)
  • Alocasia (27)
  • Ambrosinia (1)
  • Amorphophallus (32)
  • Amydrium (10)
  • Anadendrum (13)
  • Anaphyllum (1)
  • Anchomanes (1)
  • Anthurium (284)
  • Apoballis (4)
  • Arisaema (577)
  • Arisarum (8)
  • Arum (18)
  • Biarum (1)
  • Caladium (3)
  • Calla (150)
  • Colocasia (15)
  • Cryptocoryne (3)
  • Culcasia (1)
  • Cyrtosperma (3)
  • Dieffenbachia (13)
  • Dracontium (2)
  • Dracunculus (3)
  • Eminium (4)
  • Epipremnum (4)
  • Gonatanthus (7)
  • Gymnostachys (6)
  • Heteropsis (3)
  • Holochlamys (2)
  • Homalomena (55)
  • Lagenandra (4)
  • Lasia (7)
  • Lemna (657)
  • Leucocasia (2)
  • Lysichiton (9)
  • Monstera (45)
  • Montrichardia (6)
  • Orontium (33)
  • Peltandra (82)
  • Philodendron (111)
  • Pinellia (7)
  • Pistia (56)
  • Podolasia (11)
  • Pothoidium (7)
  • Pothos (60)
  • Remusatia (13)
  • Rhaphidophora (54)
  • Rhynchopyle (1)
  • Sauromatum (5)
  • Schismatoglottis (3)
  • Scindapsus (11)
  • Spathantheum (1)
  • Spathicarpa (3)
  • Spathiphyllum (35)
  • Spirodela (216)
  • Stenospermation (6)
  • Steudnera (3)
  • Symplocarpus (104)
  • Syngonium (57)
  • Typhonium (4)
  • Urospatha (2)
  • Wolffia (225)
  • Wolffiella (46)
  • Xanthosoma (66)
  • Zantedeschia (6)
  • Zomicarpa (1)