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Anaxyrus cognatus (Say, 1822) - Great Plains Toad


Maps

Locality Map

Locality map for Anaxyrus cognatus (Great Plains Toad)
Locality map for Anaxyrus cognatus (Great Plains Toad).
Map created 3 August 2022.

County Map

County map for Anaxyrus cognatus (Great Plains Toad)
County map for Anaxyrus cognatus (Great Plains Toad).
Map created 3 August 2022.

Historical Locality Map

Historical locality map for Anaxyrus cognatus (Great Plains Toad)
Historical locality map for Anaxyrus cognatus (Great Plains Toad). Black circles ( ) represent records after 1986, blue squares ( ) represent records between 1966 and 1986, orange triangles ( ) represent records prior to 1966. Note that more recent records might conceal underlying older records.
Map created 3 August 2022.

Historical County Map

Historical county map for Anaxyrus cognatus (Great Plains Toad)
Historical county map for Anaxyrus cognatus (Great Plains Toad). Black circles ( ) represent records after 1986, blue squares ( ) represent records between 1966 and 1986, orange triangles ( ) represent records prior to 1966. Note that only the most recent county record for each county is shown.
Map created 3 August 2022.

Ecological Drainage Locality Map

Ecological Drainage Units map for Anaxyrus cognatus (Great Plains Toad)
Ecological Drainage Units locality map for Anaxyrus cognatus (Great Plains Toad).
Map created 3 August 2022.

Natural Divisions Locality Map

Natural Divisions locality map for Anaxyrus cognatus (Great Plains Toad)
Natural Divisions and Sections locality map for Anaxyrus cognatus (Great Plains Toad).
Map created 3 August 2022.

Major Watersheds Locality Map

Major watersheds map for Anaxyrus cognatus (Great Plains Toad)
Major Watersheds locality map for Anaxyrus cognatus (Great Plains Toad).
Map created 3 August 2022.

Level I Ecoregion Locality Map

Level I Ecoregions map for Anaxyrus cognatus (Great Plains Toad)
Level I Ecoregion locality map for Anaxyrus cognatus (Great Plains Toad).
Map created 3 August 2022.

Level II Ecoregion Locality Map

Level II Ecoregions map for Anaxyrus cognatus (Great Plains Toad)
Level II Ecoregion locality map for Anaxyrus cognatus (Great Plains Toad).
Map created 3 August 2022.

Level III Ecoregion Locality Map

Level III Ecoregions map for Anaxyrus cognatus (Great Plains Toad)
Level III Ecoregion locality map for Anaxyrus cognatus (Great Plains Toad).
Map created 3 August 2022.

Level IV Ecoregion Locality Map

Level IV Ecoregions map for Anaxyrus cognatus (Great Plains Toad)
Level IV Ecoregion locality map for Anaxyrus cognatus (Great Plains Toad).
Map created 3 August 2022.

Native Status

Anaxyrus cognatus (Great Plains Toad) is native to Missouri.

Collection Summary

Anaxyrus cognatus (Great Plains Toad) has a total of 100 valid, non-duplicated collections representing 17 counties and 44 localities. There are a total of 19 collectors and 37 collection dates for the species. This results in a total of 37 expeditions for the species, a measure of unique date / collector(s) combinations. The earliest collection year for the species in Missouri is 1948 and its most recent collection year is 2020. The earliest and latest collection dates (independent of earliest and most recent collection years) are April 12 and October 17, respectively. If you have a new record to report, read the New Records section of the FAQ.

Collection Summary by County

Collection summary for Anaxyrus cognatus (Great Plains Toad) by county. Some values are unavailable since some records are represented solely by historical literature reports, which sometimes lack complete collecting data. Click on a county name to view more information about that county. Click on column headings to sort by that column.
County Localities Collections Collectors Dates Expeditions Earliest Year Latest Year
Andrew 5 10 2 4 4 1970 2020
Atchison 1 1 1 1 1 1977 1977
Boone 1 1 1 1 1 2010 2010
Buchanan 1 1 1 1 1 1986 1986
Callaway 4 18 2 7 7 1969 1975
Carroll 2 2 2 2 2 1977 2015
Clay 2 2 1 1 1 1980 1980
Cole 1 1 2 1 1 2019 2019
Cooper 1 2 1 1 1 1976 1976
Holt 12 19 4 7 7 1965 1976
Howard 6 28 5 6 6 1969 2009
Jackson 2 4 1 2 2 1948 1951
Lafayette 1 1 2 1 1 1992 1992
Moniteau 1 4 2 1 1 2019 2019
Platte 2 2 2 2 2 2015 2020
Ray 1 3 1 1 1 2019 2019
Saline 1 1 2 1 1 2019 2019

Potential County Records

Potential counties for Anaxyrus cognatus (Great Plains Toad). Counties are listed in descending order of their likelihood of having this species. Click on a county to view more information about that county. Click on column headings to sort by that column.
Likelihood County Rationale Ecoregion / Watershed
2 Osage Same Level IV ecoregion, within 5 miles River Hills
4 Chariton Same Level IV ecoregion, within 10 miles Missouri Alluvial Plain
6 Clinton Same Level IV ecoregion, within 20 miles Rolling Loess Prairies
6 Johnson Same Level IV ecoregion, within 20 miles Rolling Loess Prairies
6 Miller Same Level IV ecoregion, within 20 miles River Hills
6 Nodaway Same Level IV ecoregion, within 20 miles Rolling Loess Prairies
6 Nodaway Same Level IV ecoregion, within 20 miles Steeply Rolling Loess Prairies
6 Pettis Same Level IV ecoregion, within 20 miles River Hills
6 Pettis Same Level IV ecoregion, within 20 miles Rolling Loess Prairies
7 De Kalb Same Level III ecoregion, within 20 miles Western Corn Belt Plains
8 Audrain Same Level IV ecoregion, within 30 miles River Hills
8 Gasconade Same Level IV ecoregion, within 30 miles River Hills
8 Monroe Same Level IV ecoregion, within 30 miles River Hills
8 Montgomery Same Level IV ecoregion, within 30 miles River Hills
8 Randolph Same Level IV ecoregion, within 30 miles River Hills

Linnaean Classification

Kingdom:
Animalia - Animals
Phylum:
Chordata - Chordates
Subphylum:
Vertebrata - Vertebrates
Class:
Amphibia Gray, 1825 - Amphibians
Order:
Anura Fischer von Waldheim, 1813 - Frogs
Family:
Bufonidae Gray, 1825 - True Toads
Genus:
Anaxyrus Tschudi, 1845 - North American Toads
Species:
Anaxyrus cognatus (Say, 1822) - Great Plains Toad

Recent Taxonomic Synonyms