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.
Contact: Richard Rabeler, Collections Manager (umherb-data@umich.edu)
Collection Type: Preserved Specimens
Management: Data snapshot of local collection database
Last Update: 14 May 2018
IPT / DwC-A Source:
Digital Metadata: EML File
Collection Statistics
  • 100,383 occurrence
  • 18,033 (18%) georeferenced
  • 92,150 (92%) with images
  • 93,242 (93%) identified to species
  • 32 families
  • 44 genera
  • 1,516 species
  • 1,801 total taxa (including subsp. and var.)
Extra Statistics
Geographic Distribution - California
Click on the occurrence record counts within the parenthesis to return the records for that term
  • Adobe Flats (1)
  • Alameda (15)
  • Alpine (30)
  • Amador (13)
  • Butte (125)
  • Calaveras (4)
  • Colusa (4)
  • Contra Costa (8)
  • Del Norte (65)
  • El Dorado (80)
  • Eldorado (1)
  • Elko (2)
  • Fresno (47)
  • Glenn (3)
  • Humboldt (90)
  • Humboldt or Del Norte (1)
  • Imperial (3)
  • Inyo (49)
  • Kern (17)
  • Kings (1)
  • Lake (19)
  • Lassen (41)
  • Likely Plumas, maybe Lake (1)
  • Los Angeles (149)
  • Los Angeles or San Bernardino (1)
  • Madera (16)
  • Marin (64)
  • Marin-Sonoma Line (1)
  • Mariposa (21)
  • Mateo (1)
  • Mendocino (74)
  • Merced (2)
  • Modoc (26)
  • Mono (95)
  • Monterey (44)
  • Napa (13)
  • Nevada (59)
  • Orange (7)
  • Pasadena (1)
  • Placer (19)
  • Plumas (77)
  • Plumos (1)
  • Riverside (29)
  • Sacramento (1)
  • San Benito (13)
  • San Bernardino (109)
  • San Diego (65)
  • San Francisco (26)
  • San Joaquin (14)
  • San Luis Obispo (26)
  • San Mateo (58)
  • Santa Barbara (35)
  • Santa Clara (52)
  • Santa Cruz (19)
  • Shasta (57)
  • Sierra (22)
  • Siskiyou (192)
  • Solano (8)
  • Sonoma (41)
  • Stanislaus (2)
  • Sutter (3)
  • Tehama (39)
  • Trinity (50)
  • Tulare (153)
  • Tuolumne (44)
  • Ventura (9)
  • Yolo (3)
  • Yuba (7)
  • [no data] (2)
  • unknown (2)