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Thamnophis radix (Baird and Girard, 1853) - Plains Gartersnake

Maps

Locality Map

Locality map for Thamnophis radix (Plains Gartersnake)
Locality map for Thamnophis radix (Plains Gartersnake).
Map created 8 April 2021.

County Map

County map for Thamnophis radix (Plains Gartersnake)
County map for Thamnophis radix (Plains Gartersnake).
Map created 8 April 2021.

Historical Locality Map

Historical locality map for Thamnophis radix (Plains Gartersnake)
Historical locality map for Thamnophis radix (Plains Gartersnake). 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 8 April 2021.

Historical County Map

Historical county map for Thamnophis radix (Plains Gartersnake)
Historical county map for Thamnophis radix (Plains Gartersnake). 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 8 April 2021.

Ecological Drainage Locality Map

Ecological Drainage Units map for Thamnophis radix (Plains Gartersnake)
Ecological Drainage Units locality map for Thamnophis radix (Plains Gartersnake).
Map created 8 April 2021.

Natural Divisions Locality Map

Natural Divisions locality map for Thamnophis radix (Plains Gartersnake)
Natural Divisions and Sections locality map for Thamnophis radix (Plains Gartersnake).
Map created 8 April 2021.

Major Watersheds Locality Map

Major watersheds map for Thamnophis radix (Plains Gartersnake)
Major Watersheds locality map for Thamnophis radix (Plains Gartersnake).
Map created 8 April 2021.

Level I Ecoregion Locality Map

Level I Ecoregions map for Thamnophis radix (Plains Gartersnake)
Level I Ecoregion locality map for Thamnophis radix (Plains Gartersnake).
Map created 8 April 2021.

Level II Ecoregion Locality Map

Level II Ecoregions map for Thamnophis radix (Plains Gartersnake)
Level II Ecoregion locality map for Thamnophis radix (Plains Gartersnake).
Map created 8 April 2021.

Level III Ecoregion Locality Map

Level III Ecoregions map for Thamnophis radix (Plains Gartersnake)
Level III Ecoregion locality map for Thamnophis radix (Plains Gartersnake).
Map created 8 April 2021.

Level IV Ecoregion Locality Map

Level IV Ecoregions map for Thamnophis radix (Plains Gartersnake)
Level IV Ecoregion locality map for Thamnophis radix (Plains Gartersnake).
Map created 8 April 2021.

Native Status

Thamnophis radix (Plains Gartersnake) is native to Missouri.

Collection Summary

Thamnophis radix (Plains Gartersnake) has a total of 155 valid, non-duplicated collections representing 15 counties and 54 localities. There are a total of 19 collectors and 51 collection dates for the species. This results in a total of 54 expeditions for the species, a measure of unique date / collector(s) combinations. The earliest collection year for the species in Missouri is 1857 and its most recent collection year is 2020. The earliest and latest collection dates (independent of earliest and most recent collection years) are March 2 and October 8, respectively. If you have a new record to report, read the New Records section of the FAQ.

Collection Summary by County

Collection summary for Thamnophis radix (Plains Gartersnake) 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 2 2 2 2 2 1953 1967
Buchanan 2 2 2 2 2 1921 1921
Carroll 1 1 1 1 1 1983 1983
Chariton 2 4 2 2 2 1937 1937
Clay 2 2 2 2 2 1965 1967
Grundy 3 3 1 3 3 1964 1964
Holt 14 26 7 19 19 1953 2020
Jackson 1 1 1 1 1 1857 1857
Linn 2 3 4 2 2 1933 1984
Livingston 2 6 2 2 2 1940 1940
Montgomery 1 1 1 1 1
Nodaway 7 20 3 10 11 1936 1982
Platte 1 1 1 1 1
Saint Charles 11 78 5 10 11 1900 1939
Saint Louis 2 3 2 3 3 1892 1910

Potential County Records

Potential counties for Thamnophis radix (Plains Gartersnake). 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 Atchison Same Level IV ecoregion, within 5 miles Missouri Alluvial Plain
2 Caldwell Same Level IV ecoregion, within 5 miles Loess Flats and Till Plains
2 Daviess Same Level IV ecoregion, within 5 miles Loess Flats and Till Plains
2 Jefferson Same Level IV ecoregion, within 5 miles Eastern Ozark Border
2 Lafayette Same Level IV ecoregion, within 5 miles Missouri Alluvial Plain
2 Lincoln Same Level IV ecoregion, within 5 miles Upper Mississippi Alluvial Plain
2 Saline Same Level IV ecoregion, within 5 miles Missouri Alluvial Plain
4 Audrain Same Level IV ecoregion, within 10 miles Claypan Prairie
4 Callaway Same Level IV ecoregion, within 10 miles Claypan Prairie
4 Clinton Same Level IV ecoregion, within 10 miles Rolling Loess Prairies
4 De Kalb Same Level IV ecoregion, within 10 miles Rolling Loess Prairies
4 Franklin Same Level IV ecoregion, within 10 miles Eastern Ozark Border
4 Franklin Same Level IV ecoregion, within 10 miles River Hills
4 Harrison Same Level IV ecoregion, within 10 miles Loess Flats and Till Plains
4 Mercer Same Level IV ecoregion, within 10 miles Loess Flats and Till Plains
4 Ray Same Level IV ecoregion, within 10 miles Missouri Alluvial Plain
6 Macon Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Pike Same Level IV ecoregion, within 20 miles Claypan Prairie
6 Sullivan Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Warren Same Level IV ecoregion, within 20 miles Claypan Prairie
6 Warren Same Level IV ecoregion, within 20 miles River Hills
6 Worth Same Level IV ecoregion, within 20 miles Rolling Loess Prairies
7 Pettis Same Level III ecoregion, within 20 miles Western Corn Belt Plains
8 Adair Same Level IV ecoregion, within 30 miles Loess Flats and Till Plains
8 Howard Same Level IV ecoregion, within 30 miles Missouri Alluvial Plain
8 Johnson Same Level IV ecoregion, within 30 miles Rolling Loess Prairies
8 Monroe Same Level IV ecoregion, within 30 miles Claypan Prairie
8 Putnam Same Level IV ecoregion, within 30 miles Loess Flats and Till Plains
8 Ralls Same Level IV ecoregion, within 30 miles Claypan Prairie
8 Randolph Same Level IV ecoregion, within 30 miles Loess Flats and Till Plains
9 Cooper Same Level III ecoregion, within 30 miles Western Corn Belt Plains
9 Washington Same Level III ecoregion, within 30 miles Ozark Highlands
10 Gasconade Same Level IV ecoregion, adjacent county River Hills
10 Gentry Same Level IV ecoregion, adjacent county Loess Flats and Till Plains
10 Osage Same Level IV ecoregion, adjacent county River Hills
11 Cass Same Level III ecoregion, adjacent county Central Irregular Plains

Linnaean Classification

Kingdom:
Animalia - Animals
Phylum:
Chordata - Chordates
Subphylum:
Vertebrata - Vertebrates
Class:
Reptilia Laurenti, 1768 - Reptiles
Order:
Squamata Oppel, 1811 - Lizards and Snakes
Suborder:
Serpentes Linnaeus, 1758 - Snakes
Family:
Natricidae Bonaparte, 1838 - Harmless Live-bearing Snakes
Genus:
Thamnophis Fitzinger, 1843 - North American Gartersnakes
Species:
Thamnophis radix (Baird and Girard, 1853) - Plains Gartersnake

Recent Taxonomic Synonyms

(none)