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.

Collection Manager: Brad Ruhfel, umherb-data@umich.edu
Collection Type: Preserved Specimens
Management: Data snapshot of local collection database
Last Update: 27 May 2022
IPT / DwC-A Source:
Digital Metadata: EML File
Address:
University of Michigan Herbarium
3600 Varsity Drive
Ann Arbor, MI   48108-2228
U.S.A.
734-615-6200
Collection Statistics
  • 435,869 specimen records
  • 166,744 (38%) georeferenced
  • 347,382 (80%) with images (518,199 total images)
  • 3 GenBank genetic references
  • 415,092 (95%) identified to species
  • 300 families
  • 3,324 genera
  • 22,482 species
  • 25,489 total taxa (including subsp. and var.)
Extra Statistics
Geographic Distribution - California
Click on the specimen record counts within the parenthesis to return the records for that term
  • Alameda (164)
  • Alpine (41)
  • Amador (20)
  • Berkeley (8)
  • Butte (237)
  • Calaveras (13)
  • Colusa (8)
  • Contra Costa (39)
  • Del Norte (105)
  • Del Norte or Humboldt (1)
  • El Dorado (121)
  • Eldorado (7)
  • Fresno (221)
  • Fresno or Tulare (1)
  • Glenn (14)
  • Humboldt (135)
  • Imperial (26)
  • Imperial or San Diego or Riverside or San Bernardino (1)
  • Inyo (157)
  • Kern (73)
  • Kings (3)
  • Lake (52)
  • Lake or Plumas (1)
  • Lassen (74)
  • Los Angeles (550)
  • Los Angeles or San Bernardino (1)
  • Los Angeles or Ventura (1)
  • Madera (39)
  • Marin (238)
  • Marin or Sonoma (1)
  • Mariposa (78)
  • Mendocino (145)
  • Mendocino or Santa Barbara (1)
  • Merced (9)
  • Modoc (50)
  • Mono (234)
  • Monterey (165)
  • Napa (37)
  • Nevada (101)
  • Not evident (1)
  • Orange (23)
  • Placer (37)
  • Plumas (150)
  • Plumas or Sierra (6)
  • Riverside (181)
  • Riverside or San Bernardino (1)
  • Sacramento (9)
  • San Benito (38)
  • San Bernardino (274)
  • San Diego (330)
  • San Francisco (185)
  • San Joaquin (61)
  • San Luis Obispo (68)
  • San Mateo (147)
  • San Mateo, Santa Clara, Santa Cruz, San Benito or Monterey (1)
  • Santa Barbara (143)
  • Santa Clara (244)
  • Santa Cruz (75)
  • Shasta (111)
  • Sierra (50)
  • Siskiyou (399)
  • Siskiyou or Trinity (4)
  • Solano (30)
  • Sonoma (123)
  • Stanislaus (17)
  • Sutter (10)
  • Tehama (57)
  • Trinity (106)
  • Tulare (228)
  • Tuolumne (113)
  • Ventura (69)
  • Yolo (96)
  • Yuba (13)
  • no data (272)