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Opheodrys vernalis (Harlan, 1827) - Smooth Greensnake

Maps

Locality Map

Locality map for Opheodrys vernalis (Smooth Greensnake)
Locality map for Opheodrys vernalis (Smooth Greensnake).
Map created 6 March 2024.

County Map

County map for Opheodrys vernalis (Smooth Greensnake)
County map for Opheodrys vernalis (Smooth Greensnake).
Map created 6 March 2024.

Historical Locality Map

Historical locality map for Opheodrys vernalis (Smooth Greensnake)
Historical locality map for Opheodrys vernalis (Smooth Greensnake). 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 6 March 2024.

Historical County Map

Historical county map for Opheodrys vernalis (Smooth Greensnake)
Historical county map for Opheodrys vernalis (Smooth Greensnake). 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 6 March 2024.

Ecological Drainage Locality Map

Ecological Drainage Units map for Opheodrys vernalis (Smooth Greensnake)
Ecological Drainage Units locality map for Opheodrys vernalis (Smooth Greensnake).
Map created 6 March 2024.

Natural Divisions Locality Map

Natural Divisions locality map for Opheodrys vernalis (Smooth Greensnake)
Natural Divisions and Sections locality map for Opheodrys vernalis (Smooth Greensnake).
Map created 6 March 2024.

Major Watersheds Locality Map

Major watersheds map for Opheodrys vernalis (Smooth Greensnake)
Major Watersheds locality map for Opheodrys vernalis (Smooth Greensnake).
Map created 6 March 2024.

Level I Ecoregion Locality Map

Level I Ecoregions map for Opheodrys vernalis (Smooth Greensnake)
Level I Ecoregion locality map for Opheodrys vernalis (Smooth Greensnake).
Map created 6 March 2024.

Level II Ecoregion Locality Map

Level II Ecoregions map for Opheodrys vernalis (Smooth Greensnake)
Level II Ecoregion locality map for Opheodrys vernalis (Smooth Greensnake).
Map created 6 March 2024.

Level III Ecoregion Locality Map

Level III Ecoregions map for Opheodrys vernalis (Smooth Greensnake)
Level III Ecoregion locality map for Opheodrys vernalis (Smooth Greensnake).
Map created 6 March 2024.

Level IV Ecoregion Locality Map

Level IV Ecoregions map for Opheodrys vernalis (Smooth Greensnake)
Level IV Ecoregion locality map for Opheodrys vernalis (Smooth Greensnake).
Map created 6 March 2024.

Native Status

Opheodrys vernalis (Smooth Greensnake) is native to Missouri.

Collection Summary

Opheodrys vernalis (Smooth Greensnake) has a total of 27 valid, non-duplicated collections representing 8 counties and 17 localities. There are a total of 5 collectors and 8 collection dates for the species. This results in a total of 8 expeditions for the species, a measure of unique date / collector(s) combinations. The earliest collection year for the species in Missouri is 1899 and its most recent collection year is 1970. The earliest and latest collection dates (independent of earliest and most recent collection years) are April 14 and August 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 Opheodrys vernalis (Smooth Greensnake) 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
Audrain 1 4 2 2 2 1960 1960
Cass 1 1 1 1 1 1957 1957
Harrison 2 3 2 2 2 1970 1970
Jackson 7 8 1 3 3 1909 1933
Johnson 1 3 1 1 1
Montgomery 2 3 1 1 1
Randolph 1 3 1 1 1
Saint Charles 2 2 2 2 2 1899 1899

Potential County Records

Potential counties for Opheodrys vernalis (Smooth Greensnake). 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 Bates Same Level IV ecoregion, within 5 miles Wooded Osage Plains
2 Clay Same Level IV ecoregion, within 5 miles Missouri Alluvial Plain
2 Ray Same Level IV ecoregion, within 5 miles Missouri Alluvial Plain
2 Saint Louis Same Level IV ecoregion, within 5 miles River Hills
4 Callaway Same Level IV ecoregion, within 10 miles Claypan Prairie
6 Franklin Same Level IV ecoregion, within 20 miles River Hills
6 Gentry Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Grundy Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Lafayette Same Level IV ecoregion, within 20 miles Rolling Loess Prairies
6 Lafayette Same Level IV ecoregion, within 20 miles Missouri Alluvial Plain
6 Lincoln Same Level IV ecoregion, within 20 miles River Hills
6 Lincoln Same Level IV ecoregion, within 20 miles Claypan Prairie
6 Mercer Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Monroe Same Level IV ecoregion, within 20 miles Claypan Prairie
6 Pike Same Level IV ecoregion, within 20 miles Claypan Prairie
6 Platte Same Level IV ecoregion, within 20 miles Missouri Alluvial Plain
6 Ralls Same Level IV ecoregion, within 20 miles Claypan Prairie
6 Warren Same Level IV ecoregion, within 20 miles Claypan Prairie
6 Worth Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
7 Clinton Same Level III ecoregion, within 20 miles Western Corn Belt Plains
7 Jefferson Same Level III ecoregion, within 20 miles Interior River Valleys and Hills
8 Boone Same Level IV ecoregion, within 30 miles Claypan Prairie
8 Buchanan Same Level IV ecoregion, within 30 miles Missouri Alluvial Plain
8 Carroll Same Level IV ecoregion, within 30 miles Missouri Alluvial Plain
8 Daviess Same Level IV ecoregion, within 30 miles Loess Flats and Till Plains
8 Henry Same Level IV ecoregion, within 30 miles Wooded Osage Plains
10 Chariton Same Level IV ecoregion, adjacent county Loess Flats and Till Plains
10 Chariton Same Level IV ecoregion, adjacent county Missouri Alluvial Plain
10 Chariton Same Level IV ecoregion, adjacent county Rolling Loess Prairies
10 Gasconade Same Level IV ecoregion, adjacent county River Hills
10 Howard Same Level IV ecoregion, adjacent county Missouri Alluvial Plain
10 Howard Same Level IV ecoregion, adjacent county Rolling Loess Prairies
10 Howard Same Level IV ecoregion, adjacent county Loess Flats and Till Plains
10 Howard Same Level IV ecoregion, adjacent county Claypan Prairie
10 Howard Same Level IV ecoregion, adjacent county River Hills
10 Macon Same Level IV ecoregion, adjacent county Loess Flats and Till Plains
10 Macon Same Level IV ecoregion, adjacent county Claypan Prairie
10 Osage Same Level IV ecoregion, adjacent county River Hills
10 Pettis Same Level IV ecoregion, adjacent county River Hills
10 Pettis Same Level IV ecoregion, adjacent county Rolling Loess Prairies
10 Pettis Same Level IV ecoregion, adjacent county Wooded Osage 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:
Colubridae Oppel, 1811 - Typical Harmless Snakes
Genus:
Opheodrys Fitzinger, 1843 - Greensnakes
Species:
Opheodrys vernalis (Harlan, 1827) - Smooth Greensnake

Recent Taxonomic Synonyms

(none)