Maps
Locality Map
Locality map for Gastrophryne carolinensis (Eastern Narrow-mouthed Toad).
Map created 15 April 2026.
County Map
County map for Gastrophryne carolinensis (Eastern Narrow-mouthed Toad).
Map created 15 April 2026.
Historical Locality Map
Historical locality map for Gastrophryne carolinensis (Eastern Narrow-mouthed 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 15 April 2026.
Historical County Map
Historical county map for Gastrophryne carolinensis (Eastern Narrow-mouthed 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 15 April 2026.
Ecological Drainage Locality Map
Ecological Drainage Units locality map for Gastrophryne carolinensis (Eastern Narrow-mouthed Toad).
Map created 15 April 2026.
Natural Divisions Locality Map
Natural Divisions and Sections locality map for Gastrophryne carolinensis (Eastern Narrow-mouthed Toad).
Map created 15 April 2026.
Major Watersheds Locality Map
Major Watersheds locality map for Gastrophryne carolinensis (Eastern Narrow-mouthed Toad).
Map created 15 April 2026.
Level I Ecoregion Locality Map
Level I Ecoregion locality map for Gastrophryne carolinensis (Eastern Narrow-mouthed Toad).
Map created 15 April 2026.
Level II Ecoregion Locality Map
Level II Ecoregion locality map for Gastrophryne carolinensis (Eastern Narrow-mouthed Toad).
Map created 15 April 2026.
Level III Ecoregion Locality Map
Level III Ecoregion locality map for Gastrophryne carolinensis (Eastern Narrow-mouthed Toad).
Map created 15 April 2026.
Level IV Ecoregion Locality Map
Level IV Ecoregion locality map for Gastrophryne carolinensis (Eastern Narrow-mouthed Toad).
Map created 15 April 2026.
Native Status
Gastrophryne carolinensis (Eastern Narrow-mouthed Toad) is native to Missouri.
Collection Summary
Gastrophryne carolinensis (Eastern Narrow-mouthed Toad) has a total of 180 valid, non-duplicated collections representing 50 counties and 100 localities. There are a total of 78 collectors and 103 collection dates for the species. This results in a total of 107 expeditions for the species, a measure of unique date / collector(s) combinations. The earliest collection year for the species in Missouri is 1891 and its most recent collection year is 2025. The earliest and latest collection dates (independent of earliest and most recent collection years) are March 17 and November 22, 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 | |
|---|---|---|---|---|---|---|---|---|
 | Barry | 2 | 2 | 3 | 2 | 2 | 1937 | 1965 |
| Benton | 3 | 3 | 3 | 3 | 3 | 1968 | 1982 |
| Bollinger | 1 | 2 | 1 | 1 | 1 | 1967 | 1967 |
| Butler | 4 | 17 | 5 | 8 | 8 | 1898 | 1995 |
| Callaway | 3 | 3 | 7 | 3 | 3 | 1975 | 2020 |
| Camden | 3 | 22 | 4 | 4 | 4 | 1966 | 1999 |
| Cape Girardeau | 1 | 1 | 1 | 1 | 1 | 2017 | 2017 |
| Carter | 1 | 1 | 1 | 1 | 1 | 2009 | 2009 |
| Christian | 1 | 2 | 1 | 1 | 1 | 1967 | 1967 |
| Cole | 1 | 1 | 1 | 1 | 1 | 1983 | 1983 |
| Cooper | 1 | 1 | 1 | 1 | 1 | 1962 | 1962 |
| Dade | 2 | 2 | 5 | 2 | 2 | 2007 | 2011 |
| Dallas | 1 | 1 | 2 | 1 | 1 | 1992 | 1992 |
| Dent | 1 | 1 | 5 | 1 | 1 | 2007 | 2007 |
| Douglas | 1 | 1 | 3 | 1 | 1 | 2008 | 2008 |
| Dunklin | 1 | 1 | 1 | 1 | 1 | 1957 | 1957 |
| Greene | 6 | 15 | 6 | 7 | 7 | 1961 | 2002 |
| Henry | 2 | 2 | 2 | 1 | 2 | 1972 | 1972 |
| Howell | 2 | 2 | 2 | 1 | 2 | 2008 | 2008 |
| Jasper | 1 | 1 | 1 | 1 | 1 | 1979 | 1979 |
| Jefferson | 1 | 1 | 1 | 1 | 1 | 1994 | 1994 |
| Laclede | 1 | 1 | 1 | 1 | 1 | 2007 | 2007 |
| Lawrence | 1 | 1 | 1 | 1 | 1 | 1985 | 1985 |
| McDonald | 1 | 1 | 2 | 1 | 1 | 1991 | 1991 |
| Miller | 4 | 8 | 6 | 5 | 5 | 1962 | 2010 |
| Montgomery | 1 | 1 | 2 | 1 | 1 | 2015 | 2015 |
| Morgan | 1 | 1 | 1 | 1 | 1 | 1981 | 1981 |
| New Madrid | 2 | 3 | 2 | 2 | 2 | 1957 | 1957 |
| Newton | 3 | 6 | 5 | 4 | 4 | 1944 | 2002 |
| Oregon | 1 | 2 | 1 | 1 | 1 | 1941 | 1941 |
| Osage | 2 | 2 | 2 | 2 | 2 | 1983 | 1997 |
| Ozark | 6 | 15 | 8 | 6 | 7 | 1965 | 2017 |
| Pemiscot | 1 | 1 | 1 | 1 | 1 | 1979 | 1979 |
| Perry | 1 | 1 | 5 | 1 | 1 | 2011 | 2011 |
| Polk | 1 | 1 | 1 | 1 | 1 | 2001 | 2001 |
| Pulaski | 1 | 1 | 1 | 1 | 1 | 1954 | 1954 |
| Reynolds | 1 | 1 | 1 | 1 | 1 | 2018 | 2018 |
| Ripley | 3 | 5 | 3 | 3 | 3 | 1941 | 1967 |
| Saint Charles | 1 | 1 | 1 | 1 | 1 | 2015 | 2015 |
| Saint Clair | 7 | 7 | 6 | 6 | 7 | 1968 | 2013 |
| Sainte Genevieve | 1 | 1 | 1 | 1 | 1 | 2013 | 2013 |
| Saint Louis | 5 | 8 | 3 | 4 | 4 | 1891 | 1950 |
| Scott | 3 | 3 | 3 | 3 | 3 | 2001 | 2011 |
| Shannon | 1 | 2 | 1 | 1 | 1 | 1992 | 1992 |
| Stoddard | 4 | 15 | 6 | 7 | 7 | 1965 | 1979 |
| Stone | 1 | 1 | 1 | 1 | 1 | 2000 | 2000 |
| Taney | 4 | 4 | 6 | 4 | 4 | 1961 | 2025 |
| Texas | 1 | 1 | 2 | 1 | 1 | 1998 | 1998 |
| Wayne | 1 | 1 | 1 | 1 | 1 | 1993 | 1993 |
| Wright | 1 | 3 | 1 | 1 | 1 | 1960 | 1960 |
Potential County Records
| Likelihood | County | Rationale | Ecoregion / Watershed | |
|---|---|---|---|---|
 | 2 | Cedar | Same Level IV ecoregion, within 5 miles | Springfield Plateau |
| 2 | Franklin | Same Level IV ecoregion, within 5 miles | River Hills |
| 2 | Gasconade | Same Level IV ecoregion, within 5 miles | River Hills |
| 2 | Hickory | Same Level IV ecoregion, within 5 miles | Springfield Plateau |
| 2 | Hickory | Same Level IV ecoregion, within 5 miles | Osage/Gasconade Hills |
| 2 | Saint Francois | Same Level IV ecoregion, within 5 miles | Eastern Ozark Border |
| 2 | Webster | Same Level IV ecoregion, within 5 miles | Springfield Plateau |
| 4 | Maries | Same Level IV ecoregion, within 10 miles | Osage/Gasconade Hills |
| 4 | Phelps | Same Level IV ecoregion, within 10 miles | Osage/Gasconade Hills |
 | 6 | Barton | Same Level IV ecoregion, within 20 miles | Springfield Plateau |
| 6 | Bates | Same Level IV ecoregion, within 20 miles | Cherokee Plains |
| 6 | Boone | Same Level IV ecoregion, within 20 miles | River Hills |
| 6 | Iron | Same Level IV ecoregion, within 20 miles | Current River Hills |
| 6 | Lincoln | Same Level IV ecoregion, within 20 miles | River Hills |
| 6 | Mississippi | Same Level IV ecoregion, within 20 miles | St. Francis Lowlands |
| 6 | Pettis | Same Level IV ecoregion, within 20 miles | Cherokee Plains |
| 6 | Vernon | Same Level IV ecoregion, within 20 miles | Cherokee Plains |
| 6 | Warren | Same Level IV ecoregion, within 20 miles | River Hills |
| 7 | Johnson | Same Level III ecoregion, within 20 miles | Central Irregular Plains |
| 7 | Moniteau | Same Level III ecoregion, within 20 miles | Ozark Highlands |
| 7 | Washington | Same Level III ecoregion, within 20 miles | Ozark Highlands |
 | 8 | Audrain | Same Level IV ecoregion, within 30 miles | River Hills |
| 8 | Madison | Same Level IV ecoregion, within 30 miles | Eastern Ozark Border |
| 8 | Madison | Same Level IV ecoregion, within 30 miles | Black River Hills Border |
| 9 | Cass | Same Level III ecoregion, within 30 miles | Central Irregular Plains |
| 9 | Crawford | Same Level III ecoregion, within 30 miles | Ozark Highlands |
| 10 | Howard | Same Level IV ecoregion, adjacent county | River Hills |
| 10 | Pike | Same Level IV ecoregion, adjacent county | River Hills |
| 10 | Saline | Same Level IV ecoregion, adjacent county | 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:
- Microhylidae Gunther, 1843 - Microhylid Frogs and Toads
- Genus:
- Gastrophryne Fitzinger, 1843 - North American Narrow-mouthed Toads
- Species:
- Gastrophryne carolinensis (Holbrook, 1835) - Eastern Narrow-mouthed Toad
Recent Taxonomic Synonyms
(none)