This site will look much better in a browser that supports web standards, but it is accessible to any browser or Internet device.

Gastrophryne olivacea (Hallowell, 1856) - Western Narrow-mouthed Toad

Maps

Locality Map

Locality map for Gastrophryne olivacea (Western Narrow-mouthed Toad)
Locality map for Gastrophryne olivacea (Western Narrow-mouthed Toad).
Map created 3 August 2022.

County Map

County map for Gastrophryne olivacea (Western Narrow-mouthed Toad)
County map for Gastrophryne olivacea (Western Narrow-mouthed Toad).
Map created 3 August 2022.

Historical Locality Map

Historical locality map for Gastrophryne olivacea (Western Narrow-mouthed Toad)
Historical locality map for Gastrophryne olivacea (Western 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 3 August 2022.

Historical County Map

Historical county map for Gastrophryne olivacea (Western Narrow-mouthed Toad)
Historical county map for Gastrophryne olivacea (Western 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 3 August 2022.

Ecological Drainage Locality Map

Ecological Drainage Units map for Gastrophryne olivacea (Western Narrow-mouthed Toad)
Ecological Drainage Units locality map for Gastrophryne olivacea (Western Narrow-mouthed Toad).
Map created 3 August 2022.

Natural Divisions Locality Map

Natural Divisions locality map for Gastrophryne olivacea (Western Narrow-mouthed Toad)
Natural Divisions and Sections locality map for Gastrophryne olivacea (Western Narrow-mouthed Toad).
Map created 3 August 2022.

Major Watersheds Locality Map

Major watersheds map for Gastrophryne olivacea (Western Narrow-mouthed Toad)
Major Watersheds locality map for Gastrophryne olivacea (Western Narrow-mouthed Toad).
Map created 3 August 2022.

Level I Ecoregion Locality Map

Level I Ecoregions map for Gastrophryne olivacea (Western Narrow-mouthed Toad)
Level I Ecoregion locality map for Gastrophryne olivacea (Western Narrow-mouthed Toad).
Map created 3 August 2022.

Level II Ecoregion Locality Map

Level II Ecoregions map for Gastrophryne olivacea (Western Narrow-mouthed Toad)
Level II Ecoregion locality map for Gastrophryne olivacea (Western Narrow-mouthed Toad).
Map created 3 August 2022.

Level III Ecoregion Locality Map

Level III Ecoregions map for Gastrophryne olivacea (Western Narrow-mouthed Toad)
Level III Ecoregion locality map for Gastrophryne olivacea (Western Narrow-mouthed Toad).
Map created 3 August 2022.

Level IV Ecoregion Locality Map

Level IV Ecoregions map for Gastrophryne olivacea (Western Narrow-mouthed Toad)
Level IV Ecoregion locality map for Gastrophryne olivacea (Western Narrow-mouthed Toad).
Map created 3 August 2022.

Native Status

Gastrophryne olivacea (Western Narrow-mouthed Toad) is native to Missouri.

Collection Summary

Gastrophryne olivacea (Western Narrow-mouthed Toad) has a total of 98 valid, non-duplicated collections representing 14 counties and 38 localities. There are a total of 17 collectors and 45 collection dates for the species. This results in a total of 49 expeditions for the species, a measure of unique date / collector(s) combinations. The earliest collection year for the species in Missouri is 1926 and its most recent collection year is 2019. The earliest and latest collection dates (independent of earliest and most recent collection years) are March 31 and October 10, respectively. If you have a new record to report, read the New Records section of the FAQ.

Collection Summary by County

Collection summary for Gastrophryne olivacea (Western Narrow-mouthed Toad) by county. Some values are unavailable since some records are represented solely by historical literature reports, which sometimes lack complete collecting data. Click on a county name to view more information about that county. Click on column headings to sort by that column.
County Localities Collections Collectors Dates Expeditions Earliest Year Latest Year
Andrew 1 1 1 1 1 1967 1967
Bates 1 2 1 1 1 1943 1943
Boone 1 7 2 2 2 1969 1969
Buchanan 2 6 2 2 2 1947 1954
Callaway 1 2 1 1 1 1969 1969
Cass 1 2 2 1 2 1941 1941
Clay 2 7 3 2 2 1965 2015
Clinton 1 1 1 1 1 1950 1950
Holt 1 1 1 1 1 1967 1967
Jackson 19 54 5 25 27 1926 2019
Platte 5 11 5 5 6 1938 1966
Ray 1 2 1 1 1 1965 1965
Saint Clair 1 1 3 1 1 2004 2004
Taney 1 1 1 1 1 1966 1966

Potential County Records

Potential counties for Gastrophryne olivacea (Western Narrow-mouthed Toad). Counties are listed in descending order of their likelihood of having this species. Click on a county to view more information about that county. Click on column headings to sort by that column.
Likelihood County Rationale Ecoregion / Watershed
2 Cole Same Level IV ecoregion, within 5 miles River Hills
2 Johnson Same Level IV ecoregion, within 5 miles Wooded Osage Plains
2 Lafayette Same Level IV ecoregion, within 5 miles Wooded Osage Plains
2 Moniteau Same Level IV ecoregion, within 5 miles River Hills
2 Osage Same Level IV ecoregion, within 5 miles River Hills
4 Benton Same Level IV ecoregion, within 10 miles Osage/Gasconade Hills
4 Caldwell Same Level IV ecoregion, within 10 miles Loess Flats and Till Plains
4 Cooper Same Level IV ecoregion, within 10 miles River Hills
4 Hickory Same Level IV ecoregion, within 10 miles Osage/Gasconade Hills
6 Carroll Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Cedar Same Level IV ecoregion, within 20 miles Osage/Gasconade Hills
6 De Kalb Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 De Kalb Same Level IV ecoregion, within 20 miles Rolling Loess Prairies
6 Henry Same Level IV ecoregion, within 20 miles Osage/Gasconade Hills
6 Howard Same Level IV ecoregion, within 20 miles River Hills
6 Livingston Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Miller Same Level IV ecoregion, within 20 miles River Hills
6 Nodaway Same Level IV ecoregion, within 20 miles Rolling Loess Prairies
6 Polk Same Level IV ecoregion, within 20 miles Osage/Gasconade Hills
6 Vernon Same Level IV ecoregion, within 20 miles Wooded Osage Plains
7 Atchison Same Level III ecoregion, within 20 miles Western Corn Belt Plains
8 Audrain Same Level IV ecoregion, within 30 miles River Hills
8 Dallas Same Level IV ecoregion, within 30 miles Osage/Gasconade Hills
8 Daviess Same Level IV ecoregion, within 30 miles Loess Flats and Till Plains
8 Gasconade Same Level IV ecoregion, within 30 miles River Hills
8 Montgomery Same Level IV ecoregion, within 30 miles River Hills
10 Gentry Same Level IV ecoregion, adjacent county Loess Flats and Till Plains
10 Randolph Same Level IV ecoregion, adjacent county Loess Flats and Till Plains
10 Randolph Same Level IV ecoregion, adjacent county River Hills
11 Christian Same Level III ecoregion, adjacent county Ozark Highlands
11 Douglas Same Level III ecoregion, adjacent county Ozark Highlands
11 Ozark Same Level III ecoregion, adjacent county Ozark Highlands
11 Stone Same Level III ecoregion, adjacent county Ozark Highlands

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 olivacea (Hallowell, 1856) - Western Narrow-mouthed Toad

Recent Taxonomic Synonyms

(none)