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Collection Profile for:
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, Myrtaceae, and Podostemaceae of the New World.
Date Founded: 1837.

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Contacts:

Address:

University of Michigan Herbarium
3600 Varsity Drive
Ann Arbor, MI   48108-2228
U.S.A.
734-615-6200

Collection Statistics

  • 615,133 specimen records
  • 185,416 (30%) georeferenced
  • 525,526 (85%) with media (711,914 total media)
  • 10 GenBank genetic references
  • 574,849 (93%) identified to species
  • 375 families
  • 5,800 genera
  • 45,587 species
  • 50,267 total taxa (including subsp. and var.)

Extra Statistics

Show Geographic Distribution
Show Family Distribution
Collection Type: Preserved Specimens
Management: Data snapshot of local collection database
Last Update: 5 June 2025
DwC-Archive Access Point
Digital Metadata: EML File
IPT / DwC-A Source: Import map from MICH IPT
Usage Rights:
Taxon Distribution
Taxon Distribution
  • Acalypha (2109)
  • Acidocroton (8)
  • Acidoton (4)
  • Actinostemon (18)
  • Adelia (85)
  • Adenopeltis (2)
  • Adenophaedra (1)
  • Adriana (1)
  • Agrostistachys (2)
  • Alchornea (172)
  • Alchorneopsis (3)
  • Aleurites (39)
  • Algernonia (1)
  • Amperea (10)
  • Amyrea (1)
  • Anthostema (8)
  • Aparisthmium (24)
  • Aporosella (2)
  • Argomuellera (1)
  • Argythamnia (197)
  • Astraea (96)
  • Balakata (19)
  • Baliospermum (16)
  • Baloghia (13)
  • Benoistia (1)
  • Bernardia (202)
  • Bertya (2)
  • Beyeria (4)
  • Bia (5)
  • Blachia (7)
  • Blumeodendron (6)
  • Bonania (12)
  • Botryophora (6)
  • Brasiliocroton (4)
  • Caperonia (86)
  • Caryodendron (2)
  • Cephalocroton (1)
  • Cephalomappa (1)
  • Chamaesyce (1)
  • Chiropetalum (11)
  • Chrozophora (14)
  • Cladogynos (1)
  • Claoxylon (112)
  • Cleidion (42)
  • Cnesmone (7)
  • Cnidoscolus (441)
  • Codiaeum (28)
  • Colliguaja (13)
  • Conceveiba (35)
  • Conosapium (1)
  • Croton (5178)
  • Crotonogyne (3)
  • Crotonopsis (1)
  • Dalechampia (188)
  • Dalembertia (51)
  • Dendrocousinsia (6)
  • Dendrothrix (1)
  • Deutzianthus (2)
  • Dichostemma (1)
  • Dimorphocalyx (18)
  • Discocleidion (2)
  • Ditaxis (76)
  • Ditrysinia (33)
  • Ditta (6)
  • Dodecastigma (7)
  • Doryxylon (1)
  • Dysopsis (4)
  • Elateriospermum (6)
  • Endospermum (11)
  • Enriquebeltrania (4)
  • Epiprinus (4)
  • Erismanthus (1)
  • Erythrococca (6)
  • Euphorbia (8902)
  • Excoecaria (45)
  • Falconeria (5)
  • Fontainea (2)
  • Garcia (36)
  • Garciadelia (2)
  • Geiseleria (1)
  • Gelonium (2)
  • Gitara (5)
  • Glycydendron (2)
  • Grimmeodendron (7)
  • Grossera (1)
  • Gymnanthes (99)
  • Hancea (15)
  • Hevea (47)
  • Hieronyma (25)
  • Hippomane (32)
  • Homalanthus (49)
  • Homonoia (21)
  • Hura (30)
  • Jatropha (526)
  • Julocroton (5)
  • Koilodepas (6)
  • Lasiococca (1)
  • Lasiocroton (14)
  • Leucocroton (30)
  • Lobanilia (3)
  • Mabea (119)
  • Macaranga (245)
  • Mallotus (398)
  • Manihot (346)
  • Manihotoides (1)
  • Maprounea (26)
  • Megistostigma (6)
  • Melanolepis (19)
  • Mercurialis (67)
  • Micrandra (44)
  • Microstachys (51)
  • Mildbraedia (2)
  • Monotaxis (2)
  • Nealchornea (7)
  • Neoboutonia (2)
  • Neoscortechinia (8)
  • Neoshirakia (19)
  • Omphalea (14)
  • Ophellantha (8)
  • Ostodes (25)
  • Pachystroma (3)
  • Paracroton (6)
  • Pausandra (19)
  • Pedilanthus (3)
  • Philyra (5)
  • Pimelodendron (8)
  • Plagiostyles (1)
  • Platygyna (5)
  • Pleradenophora (38)
  • Plukenetia (33)
  • Podadenia (1)
  • Poinsettia (3)
  • Pseudosenefeldera (4)
  • Ptychopyxis (2)
  • Pycnocoma (3)
  • Reutealis (1)
  • Rhodothyrsus (6)
  • Ricinocarpus (14)
  • Ricinodendron (3)
  • Ricinus (81)
  • Rockinghamia (1)
  • Sagotia (9)
  • Saipania (1)
  • Sandwithia (2)
  • Sapium (132)
  • Sebastiania (109)
  • Senefeldera (3)
  • Shirakiopsis (3)
  • Spathiostemon (10)
  • Speranskia (1)
  • Spirostachys (1)
  • Stillingia (224)
  • Strophioblachia (2)
  • Sumbaviopsis (5)
  • Suregada (39)
  • Tetrorchidium (17)
  • Tragia (303)
  • Triadica (46)
  • Trigonostemon (28)
  • Vaupesia (3)
  • Vernicia (22)
  • Wetria (1)