Maps
Locality Map
Locality map for Anaxyrus cognatus (Great Plains Toad).
Map created 6 March 2024.
County Map
County map for Anaxyrus cognatus (Great Plains Toad).
Map created 6 March 2024.
Historical Locality Map
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 6 March 2024.
Historical County Map
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 6 March 2024.
Ecological Drainage Locality Map
Ecological Drainage Units locality map for Anaxyrus cognatus (Great Plains Toad).
Map created 6 March 2024.
Natural Divisions Locality Map
Natural Divisions and Sections locality map for Anaxyrus cognatus (Great Plains Toad).
Map created 6 March 2024.
Major Watersheds Locality Map
Major Watersheds locality map for Anaxyrus cognatus (Great Plains Toad).
Map created 6 March 2024.
Level I Ecoregion Locality Map
Level I Ecoregion locality map for Anaxyrus cognatus (Great Plains Toad).
Map created 6 March 2024.
Level II Ecoregion Locality Map
Level II Ecoregion locality map for Anaxyrus cognatus (Great Plains Toad).
Map created 6 March 2024.
Level III Ecoregion Locality Map
Level III Ecoregion locality map for Anaxyrus cognatus (Great Plains Toad).
Map created 6 March 2024.
Level IV Ecoregion Locality Map
Level IV Ecoregion locality map for Anaxyrus cognatus (Great Plains Toad).
Map created 6 March 2024.
Native Status
Anaxyrus cognatus (Great Plains Toad) is native to Missouri.
Collection Summary
Anaxyrus cognatus (Great Plains Toad) has a total of 101 valid, non-duplicated collections representing 17 counties and 45 localities. There are a total of 19 collectors and 38 collection dates for the species. This results in a total of 38 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 2022. 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
| 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 | 2 | 2 | 1 | 2 | 2 | 2010 | 2022 |
| 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
| 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
- Bufo cognatus