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, pteridoportal.org/portal, 2024-05-06).
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
Geographic Distribution - Mexico
Click on the specimen record counts within the parenthesis to return the records for that term
  • Amanalco (15)
  • Amecameca (28)
  • Atizapan (1)
  • Atlacomulco (1)
  • Chalco (2)
  • Coatepec Harinas (1)
  • Coyoacán (1)
  • Ecatepec de Morelos (1)
  • Huehuetoca (1)
  • Huixquilucan (3)
  • Huixquilucan de Degollado (2)
  • Isidro Fabela (1)
  • Ixtapaluca (3)
  • Ixtapaluca or Texcoco (1)
  • Ixtapan de la Sal (11)
  • Ixtapan del Oro (1)
  • Jilotzingo (1)
  • Lerma (3)
  • Luvianos (3)
  • Malinalco (1)
  • Metepec (1)
  • Miguel Hidalgo (2)
  • Naucalpan de Juárez (2)
  • Nicolás Romero (2)
  • Ozumba (1)
  • San Martín de las Pirámides (4)
  • San Simón de Guerrero (1)
  • Soyaniquilpan (1)
  • Sultepec (3)
  • Tejupilco (7)
  • Temascaltepec (33)
  • Tenancingo (10)
  • Tenango del Aire (2)
  • Teotihuacán (3)
  • Tepetlaoxtoc (1)
  • Tepotzotlán (4)
  • Texcoco (7)
  • Tlalmanalco (17)
  • Toluca (5)
  • Tultitlán de Mariano Escobedo (1)
  • Valle de Bravo (5)
  • Villa Guerrero (3)
  • no data (55)
  • Álvaro Obregón (1)