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University of Michigan Herbarium

Specimen Records: 1,251,389
Media Records: 1,191,933
iDigBio Last Ingested Date: 2026-04-23

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  i1200774
95.955
dwc_datasetid_added  i1115702
89.157
dwc_parentnameusageid_added  i1115702
89.157
dwc_taxonid_added  i1115702
89.157
dwc_taxonomicstatus_added  i1115702
89.157
gbif_canonicalname_added  i1115702
89.157
gbif_genericname_added  i1115702
89.157
gbif_taxon_corrected  i1115702
89.157
gbif_reference_added  i920729
73.577
gbif_vernacularname_added  i809994
64.728
dwc_multimedia_added  i717348
57.324
dwc_taxonrank_replaced  i652403
52.134
dwc_phylum_added  i634715
50.721
dwc_country_replaced  i634611
50.713
dwc_scientificnameauthorship_replaced  i629773
50.326
taxon_match_failed  i394700
31.541
dwc_scientificnameauthorship_added  i383798
30.67
dwc_originalnameusageid_added  i321249
25.671
geopoint_datum_missing  i308900
24.685
dwc_class_replaced  i228046
18.223
dwc_specificepithet_replaced  i151820
12.132
dwc_family_replaced  i140200
11.204
dwc_taxonremarks_added  i105164
8.404
dwc_order_replaced  i86688
6.927
dwc_genus_replaced  i76847
6.141
dwc_class_added  i54673
4.369
dwc_family_added  i54515
4.356
dwc_order_added  i53897
4.307
rev_geocode_eez  i43882
3.507
dwc_kingdom_suspect  i31413
2.51
dwc_infraspecificepithet_added  i21009
1.679
dwc_continent_replaced  i20004
1.599
dwc_phylum_replaced  i18514
1.479
geopoint_datum_error  i3779
0.302
rev_geocode_mismatch  i3174
0.254
dwc_genus_added  i733
0.059
rev_geocode_corrected  i677
0.054
rev_geocode_lon_sign  i428
0.034
dwc_acceptednameusageid_added  i274
0.022
rev_geocode_failure  i266
0.021
dwc_infraspecificepithet_replaced  i232
0.019
rev_geocode_lat_sign  i91
0.007
rev_geocode_flip  i79
0.006
rev_geocode_flip_both_sign  i70
0.006
rev_geocode_eez_corrected  i66
0.005
dwc_stateprovince_replaced  i17
0.001
geopoint_similar_coord  i16
0.001
datecollected_bounds  i7
0.001
rev_geocode_both_sign  i7
0.001
geopoint_0_coord  i4
0
dwc_specificepithet_added  i2
0
rev_geocode_flip_lat_sign  i2
0