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, 2024-03-28).
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
  • Abacopteris (66)
  • Amauropelta (600)
  • Amblovenatum (91)
  • Ampelopteris (21)
  • Amphineuron (18)
  • Chingia (51)
  • Christella (687)
  • Coryphopteris (210)
  • Cyclogramma (39)
  • Cyclosorus (145)
  • Glaphyropteridopsis (31)
  • Goniopteris (324)
  • Grypothrix (117)
  • Haplodictyum (4)
  • Hoiokula (68)
  • Leptogramma (83)
  • Macrothelypteris (273)
  • Menisciopsis (125)
  • Meniscium (88)
  • Menisorus (2)
  • Mesophlebion (37)
  • Mesopteris (8)
  • Metathelypteris (40)
  • Oreopteris (52)
  • Pakau (13)
  • Pelazoneuron (351)
  • Phegopteris (603)
  • Plesioneuron (107)
  • Pneumatopteris (45)
  • Pronephrium (147)
  • Pseudocyclosorus (108)
  • Pseudophegopteris (149)
  • Reholttumia (180)
  • Sphaerostephanos (466)
  • Stegnogramma (24)
  • Steiropteris (73)
  • Strophocaulon (93)
  • Thelypteris (643)
  • Trigonospora (37)