Maps
Locality Map
Locality map for Pantherophis emoryi (Great Plains Ratsnake).
Map created 3 August 2022.
County Map
County map for Pantherophis emoryi (Great Plains Ratsnake).
Map created 3 August 2022.
Historical Locality Map
Historical locality map for Pantherophis emoryi (Great Plains Ratsnake). 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 Pantherophis emoryi (Great Plains Ratsnake). 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 locality map for Pantherophis emoryi (Great Plains Ratsnake).
Map created 3 August 2022.
Natural Divisions Locality Map
Natural Divisions and Sections locality map for Pantherophis emoryi (Great Plains Ratsnake).
Map created 3 August 2022.
Major Watersheds Locality Map
Major Watersheds locality map for Pantherophis emoryi (Great Plains Ratsnake).
Map created 3 August 2022.
Level I Ecoregion Locality Map
Level I Ecoregion locality map for Pantherophis emoryi (Great Plains Ratsnake).
Map created 3 August 2022.
Level II Ecoregion Locality Map
Level II Ecoregion locality map for Pantherophis emoryi (Great Plains Ratsnake).
Map created 3 August 2022.
Level III Ecoregion Locality Map
Level III Ecoregion locality map for Pantherophis emoryi (Great Plains Ratsnake).
Map created 3 August 2022.
Level IV Ecoregion Locality Map
Level IV Ecoregion locality map for Pantherophis emoryi (Great Plains Ratsnake).
Map created 3 August 2022.
Native Status
Pantherophis emoryi (Great Plains Ratsnake) is native to Missouri.
Collection Summary
Pantherophis emoryi (Great Plains Ratsnake) has a total of 98 valid, non-duplicated collections representing 38 counties and 79 localities. There are a total of 43 collectors and 61 collection dates for the species. This results in a total of 67 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 2021. The earliest and latest collection dates (independent of earliest and most recent collection years) are January 5 and October 14, 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 | |
---|---|---|---|---|---|---|---|---|
![]() | Atchison | 1 | 1 | 1 | 1 | 1 | 1943 | 1943 |
![]() | Barry | 1 | 1 | 1 | 1 | 1 | 1939 | 1939 |
![]() | Barton | 1 | 1 | 2 | 1 | 1 | 2009 | 2009 |
![]() | Bates | 1 | 1 | 1 | 1 | 1 | 1945 | 1945 |
![]() | Boone | 3 | 6 | 3 | 5 | 5 | 1960 | 2001 |
![]() | Butler | 1 | 1 | 1 | 1 | 1 | 1966 | 1966 |
![]() | Camden | 2 | 2 | 4 | 2 | 2 | 2008 | 2019 |
![]() | Carter | 3 | 3 | 4 | 3 | 3 | 1941 | 1989 |
![]() | Cass | 1 | 1 | 1 | 1 | 1 | 1945 | 1945 |
![]() | Cedar | 2 | 2 | 2 | 2 | 2 | 1944 | 1944 |
![]() | Christian | 1 | 1 | 2 | 1 | 1 | 1970 | 1970 |
![]() | Crawford | 1 | 1 | 1 | 1 | 1 | ||
![]() | Dallas | 1 | 1 | 2 | 1 | 1 | 2000 | 2000 |
![]() | Dent | 1 | 1 | 2 | 1 | 1 | 2003 | 2003 |
![]() | Greene | 1 | 1 | 1 | 1 | 1 | 2001 | 2001 |
![]() | Hickory | 2 | 2 | 2 | 2 | 2 | 1940 | 1940 |
![]() | Iron | 1 | 1 | 2 | 1 | 1 | 2009 | 2009 |
![]() | Jackson | 1 | 1 | 1 | 1 | 1 | 1962 | 1962 |
![]() | Jefferson | 13 | 22 | 4 | 5 | 7 | 1899 | 1938 |
![]() | Maries | 1 | 1 | 1 | 1 | 1 | 2013 | 2013 |
![]() | McDonald | 2 | 3 | 2 | 2 | 2 | 1930 | 1947 |
![]() | Miller | 3 | 3 | 2 | 2 | 2 | 1971 | 1971 |
![]() | Montgomery | 1 | 1 | 4 | 1 | 1 | 1999 | 1999 |
![]() | Morgan | 1 | 1 | 1 | 1 | 1 | ||
![]() | Oregon | 1 | 1 | 1 | 1 | 1 | 2002 | 2002 |
![]() | Osage | 2 | 2 | 3 | 2 | 2 | 1993 | 2006 |
![]() | Ozark | 2 | 2 | 2 | 2 | 2 | 1968 | 1968 |
![]() | Phelps | 1 | 1 | 2 | 1 | 1 | 2002 | 2002 |
![]() | Platte | 1 | 2 | 2 | 1 | 2 | 1970 | 1970 |
![]() | Pulaski | 2 | 2 | 2 | 2 | 2 | 1951 | 1966 |
![]() | Saint Clair | 2 | 3 | 2 | 2 | 2 | 2006 | 2009 |
![]() | Shannon | 1 | 1 | 1 | 1 | 1 | 1950 | 1950 |
![]() | Stone | 4 | 4 | 5 | 4 | 4 | 1906 | 2005 |
![]() | Taney | 8 | 9 | 8 | 8 | 9 | 1934 | 2021 |
![]() | Texas | 1 | 1 | 1 | 1 | 1 | 1976 | 1976 |
![]() | Washington | 2 | 2 | 1 | 2 | 2 | 1909 | 1909 |
![]() | Wayne | 2 | 3 | 4 | 3 | 3 | 1939 | 1999 |
![]() | Wright | 3 | 4 | 3 | 3 | 4 | 1932 | 1971 |
Potential County Records
Likelihood | County | Rationale | Ecoregion / Watershed | |
---|---|---|---|---|
![]() | 2 | Benton | Same Level IV ecoregion, within 5 miles | Central Plateau |
![]() | 2 | Cole | Same Level IV ecoregion, within 5 miles | River Hills |
![]() | 2 | Cole | Same Level IV ecoregion, within 5 miles | Osage/Gasconade Hills |
![]() | 2 | Gasconade | Same Level IV ecoregion, within 5 miles | Osage/Gasconade Hills |
![]() | 2 | Laclede | Same Level IV ecoregion, within 5 miles | Osage/Gasconade Hills |
![]() | 2 | Lawrence | Same Level IV ecoregion, within 5 miles | Springfield Plateau |
![]() | 2 | Madison | Same Level IV ecoregion, within 5 miles | St. Francois Knobs and Basins |
![]() | 2 | Moniteau | Same Level IV ecoregion, within 5 miles | River Hills |
![]() | 2 | Moniteau | Same Level IV ecoregion, within 5 miles | Prairie Ozark Border |
![]() | 2 | Reynolds | Same Level IV ecoregion, within 5 miles | Current River Hills |
![]() | 2 | Reynolds | Same Level IV ecoregion, within 5 miles | St. Francois Knobs and Basins |
![]() | 2 | Saint Francois | Same Level IV ecoregion, within 5 miles | Meramec River Hills |
![]() | 2 | Saint Louis | Same Level IV ecoregion, within 5 miles | Eastern Ozark Border |
![]() | 2 | Saint Louis | Same Level IV ecoregion, within 5 miles | Middle Mississippi Alluvial Plain |
![]() | 2 | Vernon | Same Level IV ecoregion, within 5 miles | Cherokee Plains |
![]() | 2 | Warren | Same Level IV ecoregion, within 5 miles | River Hills |
![]() | 3 | Douglas | Same Level III ecoregion, within 5 miles | Ozark Highlands |
![]() | 4 | Audrain | Same Level IV ecoregion, within 10 miles | Claypan Prairie |
![]() | 4 | Callaway | Same Level IV ecoregion, within 10 miles | River Hills |
![]() | 4 | Callaway | Same Level IV ecoregion, within 10 miles | Claypan Prairie |
![]() | 4 | Clay | Same Level IV ecoregion, within 10 miles | Rolling Loess Prairies |
![]() | 4 | Cooper | Same Level IV ecoregion, within 10 miles | River Hills |
![]() | 4 | Franklin | Same Level IV ecoregion, within 10 miles | Eastern Ozark Border |
![]() | 4 | Franklin | Same Level IV ecoregion, within 10 miles | Meramec River Hills |
![]() | 4 | Henry | Same Level IV ecoregion, within 10 miles | Osage/Gasconade Hills |
![]() | 4 | Jasper | Same Level IV ecoregion, within 10 miles | Cherokee Plains |
![]() | 4 | Johnson | Same Level IV ecoregion, within 10 miles | Wooded Osage Plains |
![]() | 4 | Lafayette | Same Level IV ecoregion, within 10 miles | Wooded Osage Plains |
![]() | 4 | Polk | Same Level IV ecoregion, within 10 miles | Springfield Plateau |
![]() | 4 | Ripley | Same Level IV ecoregion, within 10 miles | Current River Hills |
![]() | 4 | Sainte Genevieve | Same Level IV ecoregion, within 10 miles | Eastern Ozark Border |
![]() | 4 | Stoddard | Same Level IV ecoregion, within 10 miles | Black River Hills Border |
![]() | 4 | Webster | Same Level IV ecoregion, within 10 miles | Central Plateau |
![]() | 6 | Bollinger | Same Level IV ecoregion, within 20 miles | St. Francois Knobs and Basins |
![]() | 6 | Buchanan | Same Level IV ecoregion, within 20 miles | Rolling Loess Prairies |
![]() | 6 | Clinton | Same Level IV ecoregion, within 20 miles | Rolling Loess Prairies |
![]() | 6 | Dade | Same Level IV ecoregion, within 20 miles | Springfield Plateau |
![]() | 6 | Holt | Same Level IV ecoregion, within 20 miles | Steeply Rolling Loess Prairies |
![]() | 6 | Howard | Same Level IV ecoregion, within 20 miles | Claypan Prairie |
![]() | 6 | Howard | Same Level IV ecoregion, within 20 miles | River Hills |
![]() | 6 | Howell | Same Level IV ecoregion, within 20 miles | Central Plateau |
![]() | 6 | Howell | Same Level IV ecoregion, within 20 miles | White River Hills |
![]() | 6 | Lincoln | Same Level IV ecoregion, within 20 miles | River Hills |
![]() | 6 | Newton | Same Level IV ecoregion, within 20 miles | Dissected Springfield Plateau-Elk River Hills |
![]() | 6 | Nodaway | Same Level IV ecoregion, within 20 miles | Steeply Rolling Loess Prairies |
![]() | 6 | Pike | Same Level IV ecoregion, within 20 miles | River Hills |
![]() | 6 | Randolph | Same Level IV ecoregion, within 20 miles | Claypan Prairie |
![]() | 8 | De Kalb | Same Level IV ecoregion, within 30 miles | Rolling Loess Prairies |
![]() | 8 | Monroe | Same Level IV ecoregion, within 30 miles | Claypan Prairie |
![]() | 8 | Pettis | Same Level IV ecoregion, within 30 miles | Prairie Ozark Border |
![]() | 8 | Saint Charles | Same Level IV ecoregion, within 30 miles | River Hills |
![]() | 8 | Saint Charles | Same Level IV ecoregion, within 30 miles | Middle Mississippi Alluvial Plain |
![]() | 10 | Ray | Same Level IV ecoregion, adjacent county | Rolling Loess Prairies |
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:
- Pantherophis Fitzinger, 1843 - North American Ratsnakes
- Species:
- Pantherophis emoryi (Baird and Girard, 1853) - Great Plains Ratsnake
Recent Taxonomic Synonyms
- Elaphe guttata
- Elaphe emoryi