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Northern Illinois University Herbarium

Specimen Records: 2,303
Media Records: 2,210
iDigBio Last Ingested Date: 2017-03-12

he herbarium at NIU is an internationally recognized systematic collection, initiated in the 1960s and enlarged significantly during the 1970s to the present. Holdings presently total about 19,000 specimens of vascular plants plus an additional 8000 bryophytes. A very large portion of the bryophytes (about 6000 specimens) is on permanent loan to MO (Missouri Botanic Garden).<hr> Special collections include a definitive collection of the genus Dahlia, which contains holotypes and isotypes plus a thoroughly documented array of hybrids between authenticated wild species. A second important collection is of Arbutus that also includes type material. The troublesome genus Agrimonia is more completely documented at DEK than at any other herbarium in the world. DEK presently maintains exchange relationships with more than 26 domestic and 6 foreign herbaria. As a consequence, coverage, while emphasizing the flora of Illinois, is worldwide.

Contacts

Namenone
Rolenone
Emailegbot@asu.edu
Namenone
Rolenone
Emailegbot@asu.edu
Name Paul Sørensen
Rolenone
Emailpsorensen@niu.edu
Name Edward
Rolenone
Emailnone
Name Paul Sørensen
RoleCollection Manager
Emailpsorensen@niu.edu
  • Data Corrected
  • Data Use
  • Raw
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  i2284
99.175
dwc_continent_added  i2275
98.784
dwc_phylum_replaced  i2273
98.697
dwc_datasetid_added  i1963
85.237
dwc_parentnameusageid_added  i1963
85.237
dwc_taxonid_added  i1963
85.237
dwc_taxonomicstatus_added  i1963
85.237
gbif_canonicalname_added  i1963
85.237
gbif_genericname_added  i1963
85.237
gbif_taxon_corrected  i1963
85.237
dwc_taxonrank_added  i1878
81.546
gbif_vernacularname_added  i1839
79.852
dwc_class_added  i1774
77.03
gbif_reference_added  i1708
74.164
dwc_country_replaced  i1693
73.513
dwc_multimedia_added  i1656
71.906
dwc_scientificnameauthorship_replaced  i1348
58.532
taxon_match_failed  i653
28.354
dwc_specificepithet_replaced  i308
13.374
dwc_originalnameusageid_added  i222
9.64
dwc_taxonremarks_added  i143
6.209
dwc_genus_replaced  i140
6.079
dwc_infraspecificepithet_added  i121
5.254
dwc_taxonrank_replaced  i109
4.733
dwc_family_replaced  i86
3.734
geopoint_low_precision  i35
1.52
dwc_class_replaced  i32
1.389
rev_geocode_eez  i30
1.303
geopoint_datum_missing  i26
1.129
dwc_kingdom_suspect  i18
0.782
dwc_scientificnameauthorship_added  i16
0.695
dwc_family_added  i12
0.521
dwc_kingdom_added  i12
0.521
dwc_order_added  i12
0.521
dwc_phylum_added  i12
0.521
dwc_infraspecificepithet_replaced  i7
0.304
rev_geocode_mismatch  i6
0.261
dwc_genus_added  i4
0.174
dwc_specificepithet_added  i4
0.174
rev_geocode_corrected  i3
0.13
datecollected_bounds  i2
0.087
dwc_stateprovince_replaced  i2
0.087
rev_geocode_failure  i2
0.087
rev_geocode_lon_sign  i2
0.087
dwc_acceptednameusageid_added  i1
0.043
geopoint_datum_error  i1
0.043
rev_geocode_lat_sign  i1
0.043
specimen list