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Oklahoma State University Herbarium

Specimen Records: 83,405
Media Records: 61,926
iDigBio Last Ingested Date: 2026-02-19

The OSU Herbarium contains approximately 160,000 vascular plant specimens, about two-thirds of which were collected in Oklahoma and surrounding states. The oldest specimen dates from 1843, and the collection contains 300 type specimens. Since its establishment in 1920, it has been curated by Henry Ira Featherly (1925-1937), Robert Stratton (1937-1949), Umalde Theodore (“Ted”) Waterfall (1949-1971), and Ronald Tyrl (1972-2008). Since 2009, Mark Fishbein has been the herbarium director. The herbarium houses a seed/fruit collection, cryptogamic collection, and botanical library.  

Contacts

Namenone
Rolenone
Emailjbest@brit.org
Namenone
Rolenone
Emailjbest@brit.org
Namenone
Rolenone
Emailmark.fishbein@okstate.edu
Name Mark Fishbein
Rolenone
Emailmark.fishbein@okstate.edu
Name Mark Fishbein
Rolenone
Emailmark.fishbein@okstate.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  i82749
99.213
dwc_continent_added  i82743
99.206
dwc_datasetid_added  i72328
86.719
dwc_parentnameusageid_added  i72328
86.719
dwc_taxonomicstatus_added  i72328
86.719
gbif_canonicalname_added  i72328
86.719
gbif_genericname_added  i72328
86.719
gbif_taxon_corrected  i72328
86.719
dwc_phylum_replaced  i72327
86.718
dwc_taxonid_replaced  i72327
86.718
dwc_class_added  i70606
84.654
gbif_vernacularname_added  i68767
82.449
gbif_reference_added  i55833
66.942
dwc_multimedia_added  i54084
64.845
dwc_scientificnameauthorship_replaced  i53595
64.259
dwc_taxonrank_replaced  i46615
55.89
rev_geocode_failure  i29458
35.319
rev_geocode_mismatch  i29419
35.272
taxon_match_failed  i29291
35.119
dwc_originalnameusageid_added  i15796
18.939
geopoint_datum_missing  i12912
15.481
dwc_specificepithet_replaced  i7424
8.901
dwc_taxonremarks_added  i7404
8.877
dwc_scientificnameauthorship_added  i2647
3.174
dwc_genus_replaced  i2236
2.681
dwc_infraspecificepithet_added  i1968
2.36
dwc_kingdom_suspect  i621
0.745
geopoint_low_precision  i496
0.595
dwc_family_replaced  i234
0.281
dwc_infraspecificepithet_replaced  i225
0.27
dwc_class_replaced  i80
0.096
geopoint_datum_error  i54
0.065
dwc_taxonremarks_replaced  i37
0.044
dwc_acceptednameusageid_added  i36
0.043
dwc_order_replaced  i15
0.018
dwc_country_replaced  i4
0.005
datecollected_bounds  i3
0.004
dwc_genus_added  i3
0.004
dwc_specificepithet_added  i2
0.002
dwc_stateprovince_replaced  i2
0.002
dwc_family_added  i1
0.001
dwc_kingdom_added  i1
0.001
dwc_order_added  i1
0.001
dwc_phylum_added  i1
0.001
dwc_taxonid_added  i1
0.001
dwc_taxonrank_added  i1
0.001
geopoint_pre_flip  i1
0.001