Maps
Locality Map
Locality map for Anaxyrus americanus (American Toad).
Map created 28 February 2018.
County Map
County map for Anaxyrus americanus (American Toad).
Map created 28 February 2018.
Currently unavailable: 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 28 February 2018.
Currently unavailable: 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 28 February 2018.
Ecological Drainage Locality Map
Ecological Drainage Units locality map for Anaxyrus americanus (American Toad).
Map created 28 February 2018.
Natural Divisions Locality Map
Natural Divisions and Sections locality map for Anaxyrus americanus (American Toad).
Map created 28 February 2018.
Major Watersheds Locality Map
Major Watersheds locality map for Anaxyrus americanus (American Toad).
Map created 28 February 2018.
Level I Ecoregion Locality Map
Level I Ecoregion locality map for Anaxyrus americanus (American Toad).
Map created 28 February 2018.
Level II Ecoregion Locality Map
Level II Ecoregion locality map for Anaxyrus americanus (American Toad).
Map created 28 February 2018.
Level III Ecoregion Locality Map
Level III Ecoregion locality map for Anaxyrus americanus (American Toad).
Map created 28 February 2018.
Level IV Ecoregion Locality Map
Level IV Ecoregion locality map for Anaxyrus americanus (American Toad).
Map created 28 February 2018.
Native Status
Anaxyrus americanus (American Toad) is native to Missouri.
Collection Summary
Anaxyrus americanus (American Toad) has a total of 621 valid, non-duplicated collections representing 107 counties and 360 localities. There are a total of 165 collectors and 342 collection dates for the species. This results in a total of 372 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 2017. 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 | 3 | 3 | 2 | 3 | 3 | 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 | 4 | 4 | 5 | 4 | 4 | 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 | 5 | 5 | 5 | 4 | 4 | 1967 | 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 | 4 | 4 | 5 | 4 | 4 | 2008 | 2012 |
| Crawford | 5 | 5 | 5 | 5 | 5 | 1903 | 2010 |
| Dade | 3 | 3 | 2 | 3 | 3 | 1982 | 2017 |
| 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 | 12 | 14 | 7 | 12 | 12 | 1959 | 2017 |
| 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 | 4 | 4 | 4 | 4 | 4 | 1899 | 2012 |
| 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 | 1 | 1 | 2 | 1 | 1 | 2000 | 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 | 5 | 7 | 5 | 5 | 5 | 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 | 2 | 7 | 3 | 3 | 3 | 1924 | 1958 |
| 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 | Missouri Alluvial Plain |
| 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 | Saint Francis Lowlands |
 | 6 | Saline | Same Level IV ecoregion, within 20 miles | Wooded Osage Plains |
| 6 | Saline | Same Level IV ecoregion, within 20 miles | Missouri Alluvial Plain |
| 6 | Saline | Same Level IV ecoregion, within 20 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 americanus (Holbrook, 1836) - American Toad
Recent Taxonomic Synonyms
- Bufo americanus