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.

Technical Support: Garth Holman, gholman@umich.edu
Collection Manager: Brad Ruhfel, umherb-data@umich.edu
Collection Manager: Aly Baumgartner, umherb-data@umich.edu
Technical Support: Matthew Cruz, mcruz@umich.edu
Collection Type: Preserved Specimens
Management: Data snapshot of local collection database
Last Update: 19 January 2024
Digital Metadata: EML File
Cite this collection:
University of Michigan Herbarium. Occurrence dataset (ID: 878f8fda-6f5b-4da1-acaa-5cab58230fe2) accessed via the PteridoPortal Portal, /portal, 2024-04-25).
Collection Statistics
  • 99,497 specimen records
  • 14,798 (15%) georeferenced
  • 97,707 (98%) with images (104,978 total images)
  • 93,134 (94%) identified to species
  • 52 families
  • 371 genera
  • 6,159 species
  • 6,498 total taxa (including subsp. and var.)
Extra Statistics
Taxon Distribution
Taxon Distribution
  • Adenoderris (1)
  • Arachniodes (83)
  • Aspidium (2)
  • Bolbitis (103)
  • Ctenitis (257)
  • Cyclodium (2)
  • Cyrtomium (55)
  • Dryopteris (4044)
  • Elaphoglossum (1160)
  • Lastreopsis (20)
  • Lomagramma (9)
  • Maxonia (8)
  • Megalastrum (40)
  • Mickelia (37)
  • Nothoperanema (1)
  • Olfersia (19)
  • Papuapteris (1)
  • Parapolystichum (62)
  • Peltapteris (2)
  • Peranema (26)
  • Phanerophlebia (125)
  • Pleocnemia (8)
  • Polybotrya (65)
  • Polystichopsis (18)
  • Polystichum (1377)
  • Psomiocarpa (2)
  • Rumohra (27)
  • Stenolepia (2)
  • Stigmatopteris (36)
  • Tectaridium (1)
  • Teratophyllum (3)