Collection Summary
Lithobates catesbeianus (American Bullfrog) has a total of 534 valid, non-duplicated collections representing 114 counties and 311 localities. There are a total of 190 collectors and 327 collection dates for the species. This results in a total of 357 expeditions for the species, a measure of unique date / collector(s) combinations. The earliest collection year for the species in Missouri is 1885 and its most recent collection year is 2018. The earliest and latest collection dates (independent of earliest and most recent collection years) are January 13 and December 7, 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 | 2 | 1 | 1 | 1941 | 1941 |
| Andrew | 1 | 1 | 1 | 1 | 1 | 1967 | 1967 |
| Atchison | 3 | 3 | 4 | 3 | 3 | 1985 | 1991 |
| Audrain | 5 | 6 | 4 | 5 | 5 | 1941 | 2010 |
| Barry | 2 | 5 | 2 | 3 | 3 | 1930 | 1959 |
| Barton | 5 | 6 | 5 | 5 | 5 | 1967 | 2018 |
| Bates | 2 | 2 | 3 | 2 | 2 | 1988 | 1991 |
| Benton | 1 | 1 | 1 | 1 | 1 | 1991 | 1991 |
| Bollinger | 3 | 5 | 4 | 4 | 4 | 1909 | 1989 |
| Boone | 7 | 25 | 7 | 8 | 8 | 1945 | 2013 |
| Buchanan | 1 | 1 | 1 | 1 | 1 | 1986 | 1986 |
| Butler | 6 | 18 | 7 | 11 | 12 | 1899 | 1995 |
| Caldwell | 1 | 1 | 1 | 1 | 1 | 1986 | 1986 |
| Callaway | 5 | 5 | 4 | 5 | 5 | 1941 | 2018 |
| Camden | 4 | 5 | 5 | 4 | 5 | 1955 | 1985 |
| Cape Girardeau | 4 | 7 | 4 | 5 | 5 | 1941 | 1996 |
| Carroll | 1 | 1 | 1 | 1 | 1 | 1982 | 1982 |
| Carter | 5 | 13 | 10 | 7 | 8 | 1930 | 1963 |
| Cass | 1 | 1 | 1 | 1 | 1 | 1983 | 1983 |
| Cedar | 1 | 2 | 1 | 1 | 1 | 1982 | 1982 |
| Chariton | 2 | 2 | 3 | 2 | 2 | 1992 | 2016 |
| Christian | 1 | 1 | 1 | 1 | 1 | 1973 | 1973 |
| Clark | 2 | 2 | 1 | 2 | 2 | 1960 | 1961 |
| Clay | 10 | 12 | 10 | 12 | 12 | 1909 | 1982 |
| Clinton | 2 | 2 | 2 | 2 | 2 | 1960 | 1962 |
| Cole | 1 | 1 | 1 | 1 | 1 | 1997 | 1997 |
| Cooper | 2 | 3 | 4 | 2 | 2 | 1929 | 1956 |
| Crawford | 4 | 4 | 3 | 4 | 4 | 1965 | 1971 |
| Dade | 2 | 2 | 2 | 2 | 2 | 1982 | 2015 |
| Dallas | 1 | 2 | 2 | 1 | 1 | 2000 | 2000 |
| Daviess | 1 | 1 | 1 | 1 | 1 | 1982 | 1982 |
| De Kalb | 1 | 1 | 2 | 1 | 1 | 1941 | 1941 |
| Dent | 3 | 30 | 5 | 5 | 6 | 1909 | 1941 |
| Douglas | 1 | 1 | 2 | 1 | 1 | 2007 | 2007 |
| Dunklin | 1 | 1 | 2 | 1 | 1 | 1995 | 1995 |
| Franklin | 6 | 10 | 7 | 6 | 6 | 1932 | 1972 |
| Gasconade | 2 | 2 | 4 | 2 | 2 | 1941 | 1989 |
| Gentry | 1 | 1 | 3 | 1 | 1 | 1992 | 1992 |
| Greene | 3 | 3 | 3 | 3 | 3 | 1930 | 2018 |
| Grundy | 2 | 2 | 4 | 2 | 2 | 1941 | 1964 |
| Harrison | 3 | 3 | 4 | 3 | 3 | 1992 | 2014 |
| Henry | 2 | 2 | 3 | 2 | 2 | 1991 | 2007 |
| Hickory | 1 | 1 | 2 | 1 | 1 | 1992 | 1992 |
| Holt | 2 | 2 | 2 | 2 | 2 | 1953 | 2017 |
| Howard | 4 | 7 | 6 | 4 | 7 | 1967 | 2002 |
| Howell | 1 | 2 | 1 | 2 | 2 | 1932 | 1932 |
| Iron | 3 | 3 | 3 | 3 | 3 | 1941 | 1963 |
| Jackson | 16 | 48 | 6 | 17 | 17 | 1909 | 1978 |
| Jasper | 3 | 5 | 4 | 4 | 4 | 1931 | 2012 |
| Jefferson | 3 | 3 | 1 | 1 | 1 | ||
| Johnson | 21 | 58 | 29 | 36 | 40 | 1908 | 1997 |
| Knox | 1 | 2 | 2 | 1 | 1 | 1941 | 1941 |
| Laclede | 1 | 1 | 1 | 1 | 1 | 1983 | 1983 |
| Lafayette | 2 | 3 | 2 | 2 | 2 | 1962 | 1973 |
| Lawrence | 5 | 5 | 4 | 5 | 5 | 1935 | 2018 |
| Lewis | 1 | 4 | 1 | 2 | 2 | 1996 | 1996 |
| Lincoln | 2 | 3 | 4 | 2 | 3 | 1941 | 1967 |
| Linn | 2 | 2 | 2 | 2 | 2 | 1980 | 1980 |
| Livingston | 1 | 1 | 1 | 1 | 1 | 1982 | 1982 |
| Macon | 1 | 1 | 1 | 1 | 1 | 1992 | 1992 |
| Madison | 4 | 4 | 8 | 4 | 4 | 1935 | 2009 |
| Maries | 1 | 1 | 1 | 1 | 1 | 1988 | 1988 |
| Marion | 1 | 3 | 1 | 1 | 1 | 1947 | 1947 |
| McDonald | 2 | 3 | 3 | 3 | 3 | 1906 | 1944 |
| Mercer | 1 | 1 | 1 | 1 | 1 | 1983 | 1983 |
| Miller | 6 | 9 | 7 | 6 | 6 | 1941 | 2006 |
| Mississippi | 1 | 1 | 1 | 1 | 1 | 1986 | 1986 |
| Moniteau | 1 | 1 | 2 | 1 | 1 | 1999 | 1999 |
| Monroe | 1 | 1 | 1 | 1 | 1 | 2000 | 2000 |
| Montgomery | 3 | 3 | 5 | 3 | 3 | 1932 | 1991 |
| Morgan | 4 | 5 | 4 | 4 | 4 | 1939 | 1969 |
| New Madrid | 1 | 1 | 1 | 1 | 1 | 1932 | 1932 |
| Newton | 5 | 7 | 5 | 6 | 6 | 1935 | 2016 |
| Nodaway | 1 | 1 | 2 | 1 | 1 | 2006 | 2006 |
| Oregon | 3 | 3 | 3 | 3 | 3 | 1939 | 1973 |
| Osage | 4 | 5 | 3 | 4 | 4 | 1961 | 2017 |
| Ozark | 6 | 9 | 10 | 8 | 8 | 1902 | 2014 |
| Pemiscot | 2 | 3 | 1 | 2 | 2 | 1934 | 1986 |
| Perry | 2 | 2 | 2 | 2 | 2 | 1988 | 1995 |
| Pettis | 2 | 2 | 3 | 2 | 2 | 1980 | 2002 |
| Phelps | 4 | 5 | 4 | 4 | 4 | 1961 | 1995 |
| Pike | 1 | 1 | 2 | 1 | 1 | 2016 | 2016 |
| Platte | 1 | 1 | 1 | 1 | 1 | 2015 | 2015 |
| Polk | 4 | 4 | 2 | 4 | 4 | 1982 | 2015 |
| Pulaski | 2 | 2 | 3 | 2 | 2 | 1981 | 2002 |
| Putnam | 1 | 1 | 1 | 1 | 1 | 1986 | 1986 |
| Ralls | 1 | 1 | 1 | 1 | 1 | 1971 | 1971 |
| Randolph | 1 | 1 | 1 | 1 | 1 | 1994 | 1994 |
| Ray | 3 | 3 | 3 | 3 | 3 | 1959 | 1982 |
| Reynolds | 6 | 9 | 4 | 6 | 6 | 1933 | 1964 |
| Ripley | 2 | 2 | 2 | 2 | 2 | 1941 | 2005 |
| Saint Charles | 4 | 7 | 6 | 6 | 7 | 1962 | 1998 |
| Saint Clair | 2 | 2 | 3 | 2 | 2 | 1991 | 1992 |
| Sainte Genevieve | 1 | 1 | 3 | 1 | 1 | 2004 | 2004 |
| Saint Francois | 1 | 1 | 2 | 1 | 1 | 2007 | 2007 |
| Saint Louis | 3 | 9 | 3 | 5 | 5 | 1885 | 1963 |
| Saline | 1 | 1 | 1 | 1 | 1 | 1929 | 1929 |
| Schuyler | 1 | 1 | 3 | 1 | 1 | 2005 | 2005 |
| Scotland | 1 | 1 | 1 | 1 | 1 | 1986 | 1986 |
| Scott | 2 | 2 | 3 | 2 | 2 | 2007 | 2007 |
| Shannon | 5 | 13 | 7 | 7 | 7 | 1930 | 1963 |
| Shelby | 1 | 1 | 1 | 1 | 1 | 1985 | 1985 |
| Stoddard | 5 | 13 | 9 | 8 | 8 | 1909 | 1973 |
| Stone | 1 | 1 | 1 | 1 | 1 | 1993 | 1993 |
| Sullivan | 1 | 1 | 1 | 1 | 1 | 2005 | 2005 |
| Taney | 3 | 4 | 4 | 3 | 3 | 1947 | 2007 |
| Texas | 2 | 3 | 1 | 2 | 2 | 1941 | 1941 |
| Vernon | 4 | 4 | 10 | 4 | 4 | 1982 | 2002 |
| Warren | 1 | 2 | 2 | 1 | 1 | 1975 | 1975 |
| Washington | 1 | 2 | 2 | 2 | 2 | 1909 | 1942 |
| Wayne | 6 | 12 | 8 | 9 | 9 | 1931 | 1950 |
| Webster | 1 | 3 | 1 | 2 | 2 | 1932 | 1932 |
| Worth | 1 | 2 | 2 | 1 | 1 | 1985 | 1985 |
| Wright | 3 | 4 | 5 | 3 | 3 | 1908 | 1948 |