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University of Michigan Herbarium

Specimen Records: 1,234,340
Media Records: 1,144,086
iDigBio Last Ingested Date: 2026-02-19

The University of Michigan Herbarium is home to some of the finest botanical collections in the world. The 1.7 million specimens of vascular plants, algae, bryophytes, fungi, and lichens combined with the expertise of the faculty-curators, students, and staff provide a world class facility for teaching and research in systematic biology and biodiversity studies. The organismal and genetic resource collections such as those in the Herbarium provide the best tangible record we have of life on Earth and constitute a crucial resource for use in research and education benefiting science, society, and the university. Working collaboratively within the highly regarded Department of Ecology & Evolutionary Biology, our goal is to make UM a leading center for training and research in studies of the history, the change mechanisms, and the conservation of Earth’s diverse life forms.

Contacts

Name UM Herbarium Data Group
RoleGroup
Emailumherb-data@umich.edu
Name LSA IPT Admin
RoleSystem Administrators
Emaillsa-it-ipt-admins@umich.edu
Name LSA IPT Admin
Rolenone
Emaillsa-it-ipt-admins@umich.edu
Name UM Herbarium Data Group
RoleGroup
Emailumherb-data@umich.edu
This table shows any data corrections that were performed on this recordset to improve the capabilities of iDigBio Search. The first column represents the correction performed. The last two columns represent the number and percentage of records that were corrected. A complete list of the data quality flags and their descriptions can be found here. Clicking on a data flag name will take you to a search for all records with this flag in this recordset.
FlagRecords With This Flag(%) Percent With This Flag
idigbio_isocountrycode_added  i1184706
95.979
dwc_datasetid_added  i1102310
89.304
dwc_parentnameusageid_added  i1102310
89.304
dwc_taxonid_added  i1102310
89.304
dwc_taxonomicstatus_added  i1102310
89.304
gbif_canonicalname_added  i1102310
89.304
gbif_genericname_added  i1102310
89.304
gbif_taxon_corrected  i1102310
89.304
gbif_reference_added  i911746
73.865
gbif_vernacularname_added  i801710
64.95
dwc_multimedia_added  i709897
57.512
dwc_taxonrank_replaced  i645524
52.297
dwc_country_replaced  i633166
51.296
dwc_scientificnameauthorship_replaced  i628191
50.893
dwc_phylum_added  i621410
50.344
taxon_match_failed  i389639
31.567
dwc_scientificnameauthorship_added  i373511
30.26
rev_geocode_failure  i355342
28.788
rev_geocode_mismatch  i353809
28.664
dwc_originalnameusageid_added  i318981
25.842
geopoint_datum_missing  i305132
24.72
dwc_class_replaced  i227531
18.433
dwc_specificepithet_replaced  i149532
12.114
dwc_family_replaced  i140031
11.345
dwc_taxonremarks_added  i103803
8.41
dwc_order_replaced  i86657
7.021
dwc_genus_replaced  i76312
6.182
dwc_class_added  i54669
4.429
dwc_family_added  i54512
4.416
dwc_order_added  i53893
4.366
dwc_kingdom_suspect  i31278
2.534
dwc_infraspecificepithet_added  i20513
1.662
dwc_continent_replaced  i19594
1.587
dwc_phylum_replaced  i18477
1.497
geopoint_datum_error  i3558
0.288
dwc_genus_added  i677
0.055
dwc_acceptednameusageid_added  i266
0.022
dwc_infraspecificepithet_replaced  i232
0.019
datecollected_bounds  i19
0.002
dwc_stateprovince_replaced  i17
0.001
geopoint_similar_coord  i15
0.001
geopoint_0_coord  i4
0
dwc_kingdom_replaced  i2
0
dwc_specificepithet_added  i2
0