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University of Massachusetts Amherst, Herbarium

Specimen Records: 3,975
Media Records: 107,151
iDigBio Last Ingested Date: 2026-04-23

The University of Massachusetts Herbarium, Amherst, is a regional resource with approximately 224,000 mounted vascular plants, algae and bryophtyes as well as a fruit and seed collection. The collection is world wide in scope, but the focus is on Western Massachusetts and New England. It includes three herbaria; the Amherst College Herbarium (AC), started in 1829 by Professor Edward Hitchcock and one of the oldest herbaria in the country, the Massachusetts State Herbarium (MASS) founded in 1867 by W. S. Clark, the third president of the University, and the recently acquired Phippen-LaCroix Herbarium (TUFT).

Contacts

Namenone
Rolenone
Emailpatrick.sweeney@yale.edu
Namenone
Rolenone
Emailpatrick.sweeney@yale.edu
Namenone
Rolenone
Emailtseidler@bio.umass.edu
Name Tristram Seidler
Rolenone
Emailtseidler@bio.umass.edu
Name Tristram Seidler
Rolenone
Emailtseidler@bio.umass.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
dwc_datasetid_added  i3381
85.057
dwc_parentnameusageid_added  i3381
85.057
dwc_taxonomicstatus_added  i3381
85.057
gbif_canonicalname_added  i3381
85.057
gbif_genericname_added  i3381
85.057
gbif_taxon_corrected  i3381
85.057
dwc_phylum_replaced  i3374
84.881
dwc_class_replaced  i3351
84.302
dwc_taxonid_replaced  i3328
83.723
idigbio_isocountrycode_added  i3312
83.321
dwc_continent_added  i3300
83.019
gbif_vernacularname_added  i3223
81.082
dwc_country_replaced  i3064
77.082
gbif_reference_added  i2946
74.113
dwc_multimedia_added  i2800
70.44
dwc_scientificnameauthorship_replaced  i2277
57.283
dwc_taxonrank_replaced  i1994
50.164
taxon_match_failed  i1449
36.453
dwc_originalnameusageid_added  i808
20.327
datecollected_bounds  i487
12.252
geopoint_datum_missing  i470
11.824
dwc_taxonremarks_added  i462
11.623
dwc_specificepithet_replaced  i344
8.654
dwc_family_replaced  i160
4.025
dwc_scientificnameauthorship_added  i123
3.094
dwc_infraspecificepithet_added  i112
2.818
dwc_genus_replaced  i85
2.138
dwc_genus_added  i53
1.333
dwc_specificepithet_added  i53
1.333
dwc_taxonid_added  i53
1.333
dwc_taxonrank_added  i53
1.333
dwc_stateprovince_replaced  i21
0.528
dwc_kingdom_suspect  i15
0.377
dwc_order_replaced  i15
0.377
geopoint_low_precision  i14
0.352
rev_geocode_eez  i8
0.201
dwc_class_added  i7
0.176
dwc_order_added  i7
0.176
dwc_phylum_added  i7
0.176
dwc_acceptednameusageid_added  i4
0.101
rev_geocode_mismatch  i2
0.05
dwc_infraspecificepithet_replaced  i1
0.025
rev_geocode_corrected  i1
0.025
rev_geocode_flip_both_sign  i1
0.025