Maps
Locality Map
Locality map for Lampropeltis triangulum (Eastern Milksnake).
Map created 3 August 2022.
County Map
County map for Lampropeltis triangulum (Eastern Milksnake).
Map created 3 August 2022.
Historical Locality Map
Historical locality map for Lampropeltis triangulum (Eastern Milksnake). 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 Lampropeltis triangulum (Eastern Milksnake). 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 Lampropeltis triangulum (Eastern Milksnake).
Map created 3 August 2022.
Natural Divisions Locality Map
Natural Divisions and Sections locality map for Lampropeltis triangulum (Eastern Milksnake).
Map created 3 August 2022.
Major Watersheds Locality Map
Major Watersheds locality map for Lampropeltis triangulum (Eastern Milksnake).
Map created 3 August 2022.
Level I Ecoregion Locality Map
Level I Ecoregion locality map for Lampropeltis triangulum (Eastern Milksnake).
Map created 3 August 2022.
Level II Ecoregion Locality Map
Level II Ecoregion locality map for Lampropeltis triangulum (Eastern Milksnake).
Map created 3 August 2022.
Level III Ecoregion Locality Map
Level III Ecoregion locality map for Lampropeltis triangulum (Eastern Milksnake).
Map created 3 August 2022.
Level IV Ecoregion Locality Map
Level IV Ecoregion locality map for Lampropeltis triangulum (Eastern Milksnake).
Map created 3 August 2022.
Native Status
Lampropeltis triangulum (Eastern Milksnake) is native to Missouri.
Collection Summary
Lampropeltis triangulum (Eastern Milksnake) has a total of 318 valid, non-duplicated collections representing 94 counties and 238 localities. There are a total of 120 collectors and 216 collection dates for the species. This results in a total of 235 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 2021. The earliest and latest collection dates (independent of earliest and most recent collection years) are January 9 and November 11, 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 | |
---|---|---|---|---|---|---|---|---|
Adair | 2 | 2 | 2 | 2 | 2 | 2018 | 2021 | |
Andrew | 1 | 1 | 2 | 1 | 1 | 1992 | 1992 | |
Barry | 4 | 6 | 4 | 6 | 6 | 1939 | 1969 | |
Barton | 1 | 1 | 1 | 1 | 1 | 1983 | 1983 | |
Bates | 2 | 2 | 1 | 2 | 2 | 1950 | 1958 | |
Benton | 1 | 1 | 1 | 1 | 1 | 1994 | 1994 | |
Bollinger | 2 | 2 | 3 | 2 | 2 | 1950 | 2020 | |
Boone | 14 | 18 | 9 | 15 | 16 | 1909 | 2017 | |
Buchanan | 1 | 1 | 1 | 1 | 1 | 1957 | 1957 | |
Butler | 2 | 2 | 5 | 2 | 2 | 2003 | 2014 | |
Callaway | 3 | 3 | 4 | 3 | 3 | 2003 | 2017 | |
Camden | 3 | 3 | 6 | 3 | 3 | 1978 | 2013 | |
Cape Girardeau | 2 | 2 | 2 | 2 | 2 | 1976 | 1996 | |
Carroll | 2 | 2 | 2 | 2 | 2 | 1957 | 2020 | |
Carter | 2 | 2 | 2 | 2 | 2 | 1949 | 1949 | |
Cass | 1 | 1 | 1 | 1 | 1 | 1941 | 1941 | |
Cedar | 1 | 1 | 2 | 1 | 1 | 2000 | 2000 | |
Christian | 1 | 1 | 1 | 1 | 1 | 1974 | 1974 | |
Clark | 1 | 1 | 1 | 1 | 1 | 1990 | 1990 | |
Clay | 4 | 4 | 2 | 4 | 4 | 1923 | 2001 | |
Clinton | 1 | 1 | 1 | 1 | 1 | 1961 | 1961 | |
Cole | 1 | 1 | 1 | 1 | 1 | 1983 | 1983 | |
Cooper | 1 | 1 | 1 | 1 | 1 | 1966 | 1966 | |
Crawford | 4 | 7 | 7 | 4 | 5 | 1897 | 2008 | |
Dade | 1 | 1 | 1 | 1 | 1 | 2000 | 2000 | |
Dallas | 2 | 5 | 3 | 2 | 2 | 1975 | 2000 | |
Daviess | 2 | 2 | 2 | 2 | 2 | 1940 | 2008 | |
Douglas | 1 | 1 | 3 | 1 | 1 | 2003 | 2003 | |
Dunklin | 3 | 4 | 5 | 3 | 3 | 2007 | 2015 | |
Franklin | 1 | 1 | 1 | 1 | 1 | 1934 | 1934 | |
Gasconade | 2 | 2 | 2 | 2 | 2 | 2019 | 2019 | |
Gentry | 1 | 1 | 2 | 1 | 1 | 2006 | 2006 | |
Greene | 3 | 3 | 4 | 3 | 3 | 1966 | 2009 | |
Grundy | 1 | 1 | 2 | 1 | 1 | 1964 | 1964 | |
Harrison | 1 | 1 | 1 | 1 | 1 | 2001 | 2001 | |
Henry | 3 | 3 | 3 | 2 | 2 | 2018 | 2018 | |
Hickory | 1 | 1 | 1 | 1 | 1 | 1961 | 1961 | |
Holt | 1 | 2 | 2 | 1 | 2 | 1965 | 1965 | |
Howard | 1 | 2 | 1 | 1 | 1 | |||
Howell | 1 | 2 | 2 | 2 | 2 | 1906 | 1906 | |
Iron | 2 | 2 | 2 | 2 | 2 | 1981 | 2009 | |
Jackson | 23 | 44 | 8 | 28 | 29 | 1857 | 2018 | |
Jasper | 1 | 2 | 2 | 2 | 2 | 1906 | 1906 | |
Jefferson | 8 | 17 | 7 | 7 | 9 | 1895 | 2003 | |
Johnson | 8 | 14 | 8 | 11 | 11 | 1946 | 2018 | |
Laclede | 1 | 1 | 3 | 1 | 1 | 2000 | 2000 | |
Lafayette | 2 | 2 | 1 | 1 | 1 | 2006 | 2006 | |
Lewis | 1 | 1 | 1 | 1 | 1 | 2001 | 2001 | |
Lincoln | 3 | 4 | 3 | 4 | 4 | 1964 | 2012 | |
Livingston | 1 | 1 | 1 | 1 | 1 | 1983 | 1983 | |
Madison | 1 | 1 | 1 | 1 | 1 | 2013 | 2013 | |
Maries | 3 | 3 | 2 | 2 | 2 | 2000 | 2010 | |
Marion | 3 | 4 | 2 | 2 | 2 | 2001 | 2013 | |
McDonald | 1 | 1 | 1 | 1 | 1 | |||
Miller | 3 | 3 | 4 | 3 | 3 | 1963 | 2010 | |
Mississippi | 1 | 1 | 1 | 1 | 1 | 2012 | 2012 | |
Moniteau | 3 | 3 | 5 | 3 | 3 | 1982 | 2009 | |
Monroe | 1 | 1 | 1 | 1 | 1 | 2018 | 2018 | |
Montgomery | 3 | 5 | 5 | 5 | 5 | 1905 | 2021 | |
Morgan | 2 | 4 | 1 | 2 | 2 | 1967 | 1969 | |
New Madrid | 2 | 2 | 2 | 2 | 2 | 1961 | 1961 | |
Oregon | 4 | 5 | 4 | 5 | 5 | 1901 | 2005 | |
Osage | 1 | 1 | 1 | 1 | 1 | 1983 | 1983 | |
Ozark | 2 | 2 | 7 | 2 | 2 | 2008 | 2014 | |
Perry | 3 | 3 | 4 | 2 | 3 | 1995 | 2011 | |
Pettis | 5 | 6 | 4 | 6 | 6 | 1940 | 2014 | |
Phelps | 4 | 4 | 7 | 3 | 3 | 1981 | 2012 | |
Pike | 4 | 4 | 4 | 4 | 4 | 1983 | 2002 | |
Platte | 2 | 2 | 3 | 2 | 2 | 1960 | 2018 | |
Polk | 1 | 1 | 1 | 1 | 1 | 2016 | 2016 | |
Pulaski | 1 | 1 | 1 | 1 | 1 | 1986 | 1986 | |
Ralls | 3 | 3 | 2 | 3 | 3 | 1971 | 2018 | |
Randolph | 2 | 2 | 1 | 2 | 2 | 2000 | 2011 | |
Ray | 2 | 2 | 1 | 2 | 2 | 1957 | 1961 | |
Reynolds | 1 | 1 | 1 | 1 | 1 | 1963 | 1963 | |
Ripley | 2 | 2 | 2 | 2 | 2 | 2007 | 2008 | |
Saint Charles | 2 | 2 | 2 | 2 | 2 | 2010 | 2010 | |
Saint Clair | 3 | 4 | 8 | 4 | 4 | 1938 | 2007 | |
Sainte Genevieve | 2 | 2 | 4 | 2 | 2 | 2014 | 2014 | |
Saint Francois | 1 | 1 | 1 | 1 | 1 | 2014 | 2014 | |
Saint Louis | 9 | 22 | 8 | 12 | 13 | 1885 | 2010 | |
Saline | 2 | 2 | 2 | 2 | 2 | 1940 | 2015 | |
Scotland | 1 | 1 | 1 | 1 | 1 | 2011 | 2011 | |
Scott | 1 | 1 | 1 | 1 | 1 | 1965 | 1965 | |
Shannon | 3 | 3 | 9 | 3 | 3 | 1964 | 2003 | |
Stoddard | 3 | 4 | 6 | 4 | 4 | 1936 | 2015 | |
Stone | 1 | 3 | 2 | 2 | 2 | 1906 | 1906 | |
Taney | 3 | 3 | 3 | 3 | 3 | 1971 | 2018 | |
Texas | 1 | 1 | 2 | 1 | 1 | 2006 | 2006 | |
Warren | 1 | 1 | 1 | 1 | 1 | |||
Washington | 3 | 4 | 2 | 3 | 3 | 1909 | 2011 | |
Wayne | 3 | 4 | 3 | 3 | 4 | 1967 | 1967 | |
Webster | 3 | 3 | 3 | 3 | 3 | 1961 | 2005 | |
Wright | 1 | 1 | 2 | 1 | 1 | 2004 | 2004 |
Potential County Records
Likelihood | County | Rationale | Ecoregion / Watershed | |
---|---|---|---|---|
2 | Audrain | Same Level IV ecoregion, within 5 miles | River Hills | |
2 | Audrain | Same Level IV ecoregion, within 5 miles | Claypan Prairie | |
2 | Caldwell | Same Level IV ecoregion, within 5 miles | Loess Flats and Till Plains | |
2 | Chariton | Same Level IV ecoregion, within 5 miles | Missouri Alluvial Plain | |
2 | Dent | Same Level IV ecoregion, within 5 miles | Current River Hills | |
2 | Knox | Same Level IV ecoregion, within 5 miles | Loess Flats and Till Plains | |
2 | Macon | Same Level IV ecoregion, within 5 miles | Loess Flats and Till Plains | |
2 | Vernon | Same Level IV ecoregion, within 5 miles | Cherokee Plains | |
4 | Atchison | Same Level IV ecoregion, within 10 miles | Missouri Alluvial Plain | |
4 | De Kalb | Same Level IV ecoregion, within 10 miles | Loess Flats and Till Plains | |
4 | Lawrence | Same Level IV ecoregion, within 10 miles | Springfield Plateau | |
4 | Mercer | Same Level IV ecoregion, within 10 miles | Loess Flats and Till Plains | |
4 | Shelby | Same Level IV ecoregion, within 10 miles | Loess Flats and Till Plains | |
4 | Worth | Same Level IV ecoregion, within 10 miles | Loess Flats and Till Plains | |
6 | Linn | Same Level IV ecoregion, within 20 miles | Loess Flats and Till Plains | |
6 | Newton | Same Level IV ecoregion, within 20 miles | Dissected Springfield Plateau-Elk River Hills | |
6 | Newton | Same Level IV ecoregion, within 20 miles | Springfield Plateau | |
6 | Nodaway | Same Level IV ecoregion, within 20 miles | Loess Flats and Till Plains | |
6 | Nodaway | Same Level IV ecoregion, within 20 miles | Rolling Loess Prairies | |
6 | Pemiscot | Same Level IV ecoregion, within 20 miles | Northern Holocene Meander Belts | |
6 | Pemiscot | Same Level IV ecoregion, within 20 miles | St. Francis Lowlands | |
6 | Putnam | Same Level IV ecoregion, within 20 miles | Loess Flats and Till Plains | |
6 | Schuyler | Same Level IV ecoregion, within 20 miles | Loess Flats and Till Plains | |
6 | Sullivan | Same Level IV ecoregion, within 20 miles | Loess Flats and Till 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:
- Lampropeltis Fitzinger, 1843 - Kingsnakes and Milksnakes
- Species:
- Lampropeltis triangulum (Lacépède, 1789) - Eastern Milksnake
Recent Taxonomic Synonyms
(none)