University of Michigan (MICH)

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.

Project Manager: Garth Holman,
Collection Type: Preserved Specimens
Management: Data snapshot of local collection database
Last Update: 27 October 2022
IPT / DwC-A Source:
Digital Metadata: EML File
Cite this collection:
University of Michigan. Occurrence dataset (ID: 878f8fda-6f5b-4da1-acaa-5cab58230fe2) accessed via the PteridoPortal Portal, /portal, 2023-01-29).
Collection Statistics
  • 89,882 specimen records
  • 14,426 (16%) georeferenced
  • 83,237 (93%) with images (89,429 total images)
  • 84,242 (94%) identified to species
  • 50 families
  • 356 genera
  • 5,612 species
  • 5,943 total taxa (including subsp. and var.)
Extra Statistics