Maps
Locality Map
Locality map for Anaxyrus americanus (American Toad).
Map created 25 February 2020.
County Map
County map for Anaxyrus americanus (American Toad).
Map created 25 February 2020.
Historical Locality Map
Historical locality map for Anaxyrus americanus (American 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 americanus (American 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 locality map for Anaxyrus americanus (American Toad).
Map created 25 February 2020.
Natural Divisions Locality Map
Natural Divisions and Sections locality map for Anaxyrus americanus (American Toad).
Map created 25 February 2020.
Major Watersheds Locality Map
Major Watersheds locality map for Anaxyrus americanus (American Toad).
Map created 25 February 2020.
Level I Ecoregion Locality Map
Level I Ecoregion locality map for Anaxyrus americanus (American Toad).
Map created 25 February 2020.
Level II Ecoregion Locality Map
Level II Ecoregion locality map for Anaxyrus americanus (American Toad).
Map created 25 February 2020.
Level III Ecoregion Locality Map
Level III Ecoregion locality map for Anaxyrus americanus (American Toad).
Map created 25 February 2020.
Level IV Ecoregion Locality Map
Level IV Ecoregion locality map for Anaxyrus americanus (American Toad).
Map created 25 February 2020.
Native Status
Anaxyrus americanus (American Toad) is native to Missouri.
Collection Summary
Anaxyrus americanus (American Toad) has a total of 638 valid, non-duplicated collections representing 107 counties and 374 localities. There are a total of 179 collectors and 357 collection dates for the species. This results in a total of 388 expeditions for the species, a measure of unique date / collector(s) combinations. The earliest collection year for the species in Missouri is 1886 and its most recent collection year is 2019. The earliest and latest collection dates (independent of earliest and most recent collection years) are January 6 and November 12, 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 | |
|---|---|---|---|---|---|---|---|---|
 | Adair | 1 | 1 | 1 | 1 | 1 | 2017 | 2017 |
| Andrew | 1 | 2 | 1 | 2 | 2 | 1967 | 1967 |
| Atchison | 2 | 2 | 2 | 2 | 2 | 1962 | 1992 |
| Audrain | 1 | 1 | 1 | 1 | 1 | 1997 | 1997 |
| Barry | 9 | 13 | 13 | 11 | 11 | 1930 | 1999 |
| Barton | 4 | 4 | 3 | 4 | 4 | 1990 | 2017 |
| Bates | 2 | 2 | 1 | 1 | 1 | 1950 | 1950 |
| Benton | 4 | 10 | 4 | 4 | 4 | 1959 | 1997 |
| Bollinger | 3 | 3 | 3 | 3 | 3 | 1967 | 1987 |
| Boone | 15 | 53 | 8 | 18 | 21 | 1911 | 2005 |
| Buchanan | 1 | 1 | 1 | 1 | 1 | 1986 | 1986 |
| Butler | 7 | 15 | 6 | 8 | 8 | 1898 | 1994 |
| Caldwell | 1 | 1 | 1 | 1 | 1 | 2003 | 2003 |
| Callaway | 5 | 5 | 2 | 3 | 3 | 1975 | 1998 |
| Camden | 3 | 3 | 2 | 3 | 3 | 1937 | 1966 |
| Cape Girardeau | 2 | 2 | 1 | 2 | 2 | 2007 | 2007 |
| Carter | 5 | 5 | 6 | 5 | 5 | 1931 | 1993 |
| Cass | 2 | 2 | 1 | 2 | 2 | 1964 | 1965 |
| Cedar | 2 | 4 | 6 | 2 | 2 | 1962 | 1998 |
| Chariton | 2 | 3 | 3 | 3 | 3 | 1938 | 1941 |
| Christian | 6 | 6 | 6 | 5 | 5 | 1963 | 2013 |
| Clark | 1 | 2 | 1 | 1 | 1 | 1990 | 1990 |
| Clay | 9 | 12 | 8 | 9 | 10 | 1958 | 1967 |
| Clinton | 1 | 1 | 1 | 1 | 1 | 1958 | 1958 |
| Cole | 5 | 5 | 6 | 5 | 5 | 2008 | 2019 |
| Crawford | 5 | 5 | 5 | 5 | 5 | 1903 | 2010 |
| Dade | 4 | 4 | 2 | 4 | 4 | 1982 | 2018 |
| Dallas | 2 | 2 | 4 | 2 | 2 | 2014 | 2014 |
| Daviess | 1 | 1 | 1 | 1 | 1 | ||
| Dent | 2 | 2 | 2 | 2 | 2 | 1909 | 1964 |
| Douglas | 1 | 1 | 3 | 1 | 1 | 2003 | 2003 |
| Dunklin | 4 | 4 | 3 | 4 | 4 | 1904 | 1958 |
| Franklin | 1 | 1 | 1 | 1 | 1 | 1971 | 1971 |
| Gasconade | 1 | 1 | 2 | 1 | 1 | 2009 | 2009 |
| Gentry | 1 | 1 | 3 | 1 | 1 | 1992 | 1992 |
| Greene | 16 | 18 | 8 | 16 | 16 | 1959 | 2019 |
| Grundy | 3 | 3 | 6 | 3 | 3 | 1964 | 2010 |
| Harrison | 2 | 2 | 2 | 2 | 2 | 1993 | 1993 |
| Henry | 2 | 6 | 1 | 2 | 2 | 1938 | 1938 |
| Hickory | 2 | 2 | 6 | 2 | 2 | 1986 | 1998 |
| Howard | 2 | 3 | 4 | 2 | 2 | 2001 | 2009 |
| Howell | 1 | 1 | 1 | 1 | 1 | 1973 | 1973 |
| Iron | 5 | 7 | 9 | 6 | 6 | 1950 | 2009 |
| Jackson | 36 | 132 | 6 | 43 | 44 | 1908 | 1978 |
| Jasper | 5 | 7 | 7 | 7 | 7 | 1899 | 2013 |
| Jefferson | 12 | 12 | 12 | 6 | 6 | 1969 | 2015 |
| Johnson | 10 | 20 | 12 | 15 | 15 | 1908 | 1993 |
| Knox | 1 | 1 | 1 | 1 | 1 | 1994 | 1994 |
| Laclede | 2 | 3 | 4 | 2 | 3 | 1964 | 2000 |
| Lafayette | 2 | 3 | 1 | 2 | 2 | 1962 | 1962 |
| Lawrence | 2 | 2 | 2 | 2 | 2 | 1958 | 2009 |
| Lewis | 1 | 1 | 1 | 1 | 1 | 1996 | 1996 |
| Lincoln | 3 | 6 | 3 | 5 | 5 | 1964 | 2013 |
| Linn | 3 | 3 | 3 | 3 | 3 | 1963 | 1982 |
| Livingston | 1 | 1 | 1 | 1 | 1 | 1982 | 1982 |
| Macon | 2 | 2 | 2 | 2 | 2 | 1992 | 1996 |
| Madison | 5 | 6 | 8 | 5 | 5 | 1935 | 2007 |
| Maries | 2 | 2 | 2 | 2 | 2 | 1967 | 1982 |
| Marion | 1 | 1 | 1 | 1 | 1 | 1947 | 1947 |
| McDonald | 7 | 9 | 8 | 7 | 7 | 1906 | 2009 |
| Mercer | 2 | 4 | 2 | 2 | 2 | 1938 | 1983 |
| Miller | 3 | 3 | 3 | 3 | 3 | 1938 | 1972 |
| Mississippi | 3 | 5 | 3 | 3 | 3 | 1962 | 1988 |
| Moniteau | 2 | 2 | 3 | 2 | 2 | 1991 | 1992 |
| Monroe | 1 | 1 | 1 | 1 | 1 | 2008 | 2008 |
| Montgomery | 1 | 1 | 1 | 1 | 1 | 1905 | 1905 |
| Morgan | 2 | 2 | 2 | 2 | 2 | 1969 | 1969 |
| New Madrid | 1 | 1 | 1 | 1 | 1 | 1986 | 1986 |
| Newton | 3 | 8 | 6 | 4 | 4 | 1924 | 2018 |
| Oregon | 4 | 8 | 6 | 4 | 4 | 1900 | 1953 |
| Osage | 1 | 1 | 3 | 1 | 1 | 2006 | 2006 |
| Ozark | 5 | 9 | 6 | 6 | 6 | 1902 | 1997 |
| Perry | 2 | 2 | 3 | 2 | 2 | 1994 | 1995 |
| Pettis | 3 | 4 | 3 | 3 | 3 | 1982 | 1991 |
| Phelps | 1 | 1 | 2 | 1 | 1 | 1978 | 1978 |
| Pike | 4 | 6 | 4 | 3 | 5 | 1971 | 1995 |
| Platte | 1 | 2 | 1 | 1 | 1 | 1941 | 1941 |
| Polk | 4 | 4 | 2 | 3 | 3 | 1982 | 2016 |
| Pulaski | 3 | 3 | 4 | 3 | 3 | 1929 | 1998 |
| Putnam | 3 | 3 | 3 | 3 | 3 | 1985 | 2015 |
| Ralls | 3 | 5 | 4 | 2 | 4 | 1971 | 1997 |
| Randolph | 4 | 8 | 2 | 3 | 3 | 2001 | 2009 |
| Ray | 1 | 5 | 1 | 1 | 1 | 1956 | 1956 |
| Reynolds | 1 | 1 | 1 | 1 | 1 | 1963 | 1963 |
| Ripley | 3 | 4 | 3 | 3 | 3 | 1984 | 2007 |
| Saint Charles | 2 | 2 | 2 | 2 | 2 | 1940 | 1981 |
| Saint Clair | 6 | 10 | 2 | 6 | 6 | 1938 | 2007 |
| Sainte Genevieve | 3 | 3 | 3 | 3 | 3 | 1956 | 1994 |
| Saint Francois | 2 | 2 | 2 | 2 | 2 | 1929 | 2007 |
| Saint Louis | 3 | 9 | 4 | 5 | 6 | 1886 | 1971 |
| Schuyler | 1 | 3 | 1 | 1 | 1 | 1986 | 1986 |
| Scotland | 1 | 1 | 1 | 1 | 1 | 1985 | 1985 |
| Scott | 2 | 2 | 4 | 2 | 2 | 2007 | 2015 |
| Shannon | 5 | 6 | 10 | 5 | 5 | 1941 | 2017 |
| Shelby | 2 | 2 | 2 | 2 | 2 | 1992 | 1998 |
| Stoddard | 6 | 21 | 12 | 11 | 11 | 1929 | 2009 |
| Stone | 4 | 5 | 5 | 5 | 5 | 1892 | 1966 |
| Sullivan | 2 | 3 | 1 | 3 | 3 | 2005 | 2012 |
| Taney | 7 | 8 | 5 | 6 | 7 | 1906 | 2009 |
| Texas | 1 | 1 | 1 | 1 | 1 | 1976 | 1976 |
| Vernon | 3 | 3 | 4 | 3 | 3 | 1938 | 2015 |
| Warren | 1 | 1 | 1 | 1 | 1 | 1999 | 1999 |
| Washington | 2 | 2 | 2 | 2 | 2 | 1909 | 1971 |
| Wayne | 9 | 15 | 14 | 11 | 11 | 1935 | 2010 |
| Webster | 2 | 4 | 2 | 2 | 2 | 1959 | 1973 |
| Worth | 2 | 2 | 3 | 2 | 2 | 1983 | 1992 |
| Wright | 1 | 1 | 1 | 1 | 1 | 1932 | 1932 |
Potential County Records
| Likelihood | County | Rationale | Ecoregion / Watershed | |
|---|---|---|---|---|
 | 2 | Carroll | Same Level IV ecoregion, within 5 miles | Loess Flats and Till Plains |
| 2 | Cooper | Same Level IV ecoregion, within 5 miles | River Hills |
| 2 | De Kalb | Same Level IV ecoregion, within 5 miles | Loess Flats and Till Plains |
| 2 | Holt | Same Level IV ecoregion, within 5 miles | Missouri Alluvial Plain |
| 4 | Nodaway | Same Level IV ecoregion, within 10 miles | Loess Flats and Till Plains |
| 4 | Pemiscot | Same Level IV ecoregion, within 10 miles | St. Francis Lowlands |
 | 6 | Saline | Same Level IV ecoregion, within 20 miles | River Hills |
| 6 | Saline | Same Level IV ecoregion, within 20 miles | Wooded Osage 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 americanus (Holbrook, 1836) - American Toad
Recent Taxonomic Synonyms
- Bufo americanus