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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 25 February 2020.

County Map

County map for Anaxyrus cognatus (Great Plains Toad)
County map for Anaxyrus cognatus (Great Plains Toad).
Map created 25 February 2020.

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 25 February 2020.

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 25 February 2020.

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 25 February 2020.

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 25 February 2020.

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 25 February 2020.

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 25 February 2020.

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 25 February 2020.

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 25 February 2020.

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 25 February 2020.

Native Status

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

Collection Summary

Anaxyrus cognatus (Great Plains Toad) has a total of 69 valid, non-duplicated collections representing 11 counties and 25 localities. There are a total of 11 collectors and 27 collection dates for the species. This results in a total of 27 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 2015. 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
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
Cooper 1 2 1 1 1 1976 1976
Holt 4 9 3 4 4 1965 1967
Howard 6 28 5 6 6 1969 2009
Jackson 2 4 1 2 2 1948 1951
Lafayette 1 1 2 1 1 1992 1992
Platte 1 1 1 1 1 2015 2015

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 Cole Same Level IV ecoregion, within 5 miles River Hills
2 Moniteau Same Level IV ecoregion, within 5 miles River Hills
2 Osage Same Level IV ecoregion, within 5 miles River Hills
2 Saline Same Level IV ecoregion, within 5 miles Missouri Alluvial Plain
2 Saline Same Level IV ecoregion, within 5 miles Rolling Loess Prairies
4 Andrew Same Level IV ecoregion, within 10 miles Missouri Alluvial Plain
4 Atchison Same Level IV ecoregion, within 10 miles Missouri Alluvial Plain
4 Chariton Same Level IV ecoregion, within 10 miles Missouri Alluvial Plain
4 Ray Same Level IV ecoregion, within 10 miles Rolling Loess Prairies
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 Pettis Same Level IV ecoregion, within 20 miles Rolling Loess Prairies
6 Pettis Same Level IV ecoregion, within 20 miles River Hills
7 Cass Same Level III ecoregion, within 20 miles Central Irregular Plains
7 De Kalb Same Level III ecoregion, within 20 miles Western Corn Belt Plains
7 Nodaway 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
9 Bates Same Level III ecoregion, within 30 miles Central Irregular Plains
11 Caldwell Same Level III ecoregion, adjacent county Central Irregular Plains
11 Livingston Same Level III ecoregion, adjacent county Central Irregular Plains
11 Morgan Same Level III ecoregion, adjacent county Central Irregular Plains

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