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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
Homepage: https://lsa.umich.edu/herbarium
Collection Type: Preserved Specimens
Management: Data snapshot of local collection database
Last Update: 19 January 2024
Digital Metadata: EML File
Usage Rights: CC BY-NC (Attribution-Non-Commercial)
Cite this collection:
University of Michigan Herbarium. Occurrence dataset (ID: 878f8fda-6f5b-4da1-acaa-5cab58230fe2) accessed via the PteridoPortal Portal, /portal, 2024-04-24).
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
  • Acrosorus (21)
  • Adenophorus (309)
  • Aglaomorpha (21)
  • Arthromeris (63)
  • Ascogrammitis (1)
  • Belvisia (96)
  • Bosmania (59)
  • Calymmodon (133)
  • Campyloneurum (31)
  • Ceradenia (1)
  • Christopteris (3)
  • Chrysogrammitis (2)
  • Cochlidium (5)
  • Colysis (28)
  • Crypsinus (14)
  • Ctenopterella (1)
  • Ctenopteris (26)
  • Dicranoglossum (2)
  • Dictymia (1)
  • Drynaria (424)
  • Goniophlebium (9)
  • Grammitis (269)
  • Gymnogrammitis (2)
  • Holcosorus (1)
  • Hovenkampia (2)
  • Lecanopteris (128)
  • Lellingeria (2)
  • Lemmaphyllum (13)
  • Lepidogrammitis (1)
  • Lepisorus (709)
  • Leptochilus (12)
  • Leucotrichum (5)
  • Loxogramme (57)
  • Microgramma (7)
  • Micropolypodium (1)
  • Microsorum (130)
  • Neocheiropteris (1)
  • Niphidium (4)
  • Oreogrammitis (80)
  • Pecluma (71)
  • Phlebodium (9)
  • Phymatosorus (23)
  • Platycerium (7)
  • Pleopeltis (420)
  • Polypodiopteris (3)
  • Polypodium (1181)
  • Prosaptia (29)
  • Pyrrosia (109)
  • Radiogrammitis (4)
  • Scleroglossum (8)
  • Selliguea (39)
  • Stenogrammitis (36)
  • Terpsichore (2)
  • Themelium (2)
  • Thylacopteris (1)
  • Tomophyllum (3)
  • Xiphopteris (23)