Maps
Locality Map

Locality map for Aspidoscelis sexlineatus (Prairie Racerunner).
Map created 15 April 2026.
County Map

County map for Aspidoscelis sexlineatus (Prairie Racerunner).
Map created 15 April 2026.
Historical Locality Map

Historical locality map for Aspidoscelis sexlineatus (Prairie Racerunner). 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 15 April 2026.
Historical County Map

Historical county map for Aspidoscelis sexlineatus (Prairie Racerunner). 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 15 April 2026.
Ecological Drainage Locality Map

Ecological Drainage Units locality map for Aspidoscelis sexlineatus (Prairie Racerunner).
Map created 15 April 2026.
Natural Divisions Locality Map

Natural Divisions and Sections locality map for Aspidoscelis sexlineatus (Prairie Racerunner).
Map created 15 April 2026.
Major Watersheds Locality Map

Major Watersheds locality map for Aspidoscelis sexlineatus (Prairie Racerunner).
Map created 15 April 2026.
Level I Ecoregion Locality Map

Level I Ecoregion locality map for Aspidoscelis sexlineatus (Prairie Racerunner).
Map created 15 April 2026.
Level II Ecoregion Locality Map

Level II Ecoregion locality map for Aspidoscelis sexlineatus (Prairie Racerunner).
Map created 15 April 2026.
Level III Ecoregion Locality Map

Level III Ecoregion locality map for Aspidoscelis sexlineatus (Prairie Racerunner).
Map created 15 April 2026.
Level IV Ecoregion Locality Map

Level IV Ecoregion locality map for Aspidoscelis sexlineatus (Prairie Racerunner).
Map created 15 April 2026.
Native Status
Aspidoscelis sexlineatus (Prairie Racerunner) is native to Missouri.
Collection Summary
Aspidoscelis sexlineatus (Prairie Racerunner) has a total of 382 valid, non-duplicated collections representing 70 counties and 188 localities. There are a total of 106 collectors and 173 collection dates for the species. This results in a total of 186 expeditions for the species, a measure of unique date / collector(s) combinations. The earliest collection year for the species in Missouri is 1890 and its most recent collection year is 2024. The earliest and latest collection dates (independent of earliest and most recent collection years) are February 14 and December 27, 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 | 2 | 4 | 2 | 3 | 4 | 1969 | 1969 |
![]() | Barry | 2 | 3 | 3 | 2 | 2 | 1930 | 1991 |
![]() | Barton | 7 | 7 | 5 | 7 | 7 | 1935 | 2024 |
![]() | Benton | 3 | 9 | 2 | 3 | 3 | 1959 | 1968 |
![]() | Bollinger | 1 | 1 | 1 | 1 | 1 | 1975 | 1975 |
![]() | Butler | 3 | 3 | 4 | 3 | 3 | 1932 | 1995 |
![]() | Camden | 10 | 13 | 9 | 9 | 10 | 1948 | 2023 |
![]() | Carter | 5 | 6 | 7 | 5 | 6 | 1930 | 1989 |
![]() | Cedar | 1 | 2 | 1 | 1 | 1 | 1966 | 1966 |
![]() | Christian | 3 | 6 | 7 | 3 | 3 | 1961 | 1976 |
![]() | Clark | 2 | 2 | 6 | 2 | 2 | 2006 | 2018 |
![]() | Clay | 1 | 1 | 1 | 1 | 1 | 1950 | 1950 |
![]() | Clinton | 1 | 1 | 1 | 1 | 1 | 1962 | 1962 |
![]() | Cole | 1 | 1 | 1 | 1 | 1 | 2012 | 2012 |
![]() | Crawford | 1 | 1 | 1 | 1 | 1 | 1975 | 1975 |
![]() | Dade | 1 | 1 | 1 | 1 | 1 | 2003 | 2003 |
![]() | Dallas | 2 | 2 | 2 | 1 | 1 | 2000 | 2000 |
![]() | Dent | 2 | 2 | 2 | 2 | 2 | 1909 | 1964 |
![]() | Douglas | 1 | 1 | 1 | 1 | 1 | 1974 | 1974 |
![]() | Dunklin | 2 | 5 | 1 | 3 | 3 | 1962 | 1962 |
![]() | Franklin | 1 | 1 | 1 | 1 | 1 | 1933 | 1933 |
![]() | Gasconade | 1 | 1 | 2 | 1 | 1 | 2002 | 2002 |
![]() | Greene | 9 | 21 | 6 | 7 | 7 | 1959 | 2023 |
![]() | Hickory | 1 | 1 | 1 | 1 | 1 | 1938 | 1938 |
![]() | Holt | 2 | 40 | 2 | 2 | 2 | 1968 | 1968 |
![]() | Howell | 1 | 1 | 1 | 1 | 1 | 1975 | 1975 |
![]() | Iron | 1 | 1 | 2 | 1 | 1 | 1991 | 1991 |
![]() | Jackson | 4 | 5 | 2 | 3 | 3 | 1962 | 1982 |
![]() | Jasper | 1 | 1 | 1 | 1 | 1 | 1975 | 1975 |
![]() | Jefferson | 12 | 24 | 7 | 8 | 9 | 1895 | 1938 |
![]() | Johnson | 2 | 3 | 2 | 2 | 2 | 1976 | 1976 |
![]() | Laclede | 1 | 1 | 1 | 1 | 1 | 1931 | 1931 |
![]() | Lawrence | 1 | 1 | 1 | 1 | 1 | 1975 | 1975 |
![]() | Madison | 3 | 12 | 2 | 4 | 4 | 1976 | 1997 |
![]() | Maries | 1 | 1 | 1 | 1 | 1 | 2000 | 2000 |
![]() | McDonald | 1 | 1 | 1 | 1 | 1 | 1975 | 1975 |
![]() | Miller | 5 | 7 | 5 | 5 | 5 | 1970 | 2006 |
![]() | Montgomery | 1 | 2 | 4 | 2 | 2 | 1994 | 1997 |
![]() | Morgan | 2 | 2 | 3 | 2 | 2 | 1962 | 2002 |
![]() | New Madrid | 1 | 1 | 2 | 1 | 1 | 2020 | 2020 |
![]() | Newton | 3 | 3 | 2 | 3 | 3 | 1934 | 1990 |
![]() | Oregon | 1 | 1 | 1 | 1 | 1 | 1975 | 1975 |
![]() | Osage | 1 | 1 | 1 | 1 | 1 | 1991 | 1991 |
![]() | Ozark | 5 | 18 | 5 | 5 | 5 | 1961 | 2020 |
![]() | Perry | 1 | 1 | 1 | 1 | 1 | 1941 | 1941 |
![]() | Pettis | 3 | 3 | 2 | 2 | 2 | 1968 | 1975 |
![]() | Phelps | 3 | 4 | 8 | 3 | 4 | 1981 | 1998 |
![]() | Pike | 2 | 3 | 2 | 2 | 2 | 2021 | 2021 |
![]() | Polk | 1 | 5 | 1 | 1 | 1 | 1961 | 1961 |
![]() | Pulaski | 1 | 6 | 1 | 2 | 2 | 1972 | 1975 |
![]() | Randolph | 1 | 2 | 1 | 1 | 1 | ||
![]() | Reynolds | 2 | 2 | 2 | 2 | 2 | 1939 | 1939 |
![]() | Ripley | 1 | 1 | 1 | 1 | 1 | 1975 | 1975 |
![]() | Saint Charles | 1 | 1 | 2 | 1 | 1 | 2008 | 2008 |
![]() | Saint Clair | 8 | 15 | 8 | 7 | 8 | 1938 | 2016 |
![]() | Sainte Genevieve | 2 | 2 | 3 | 2 | 2 | 2010 | 2010 |
![]() | Saint Francois | 2 | 2 | 2 | 2 | 2 | 1929 | 2007 |
![]() | Saint Louis | 2 | 8 | 2 | 2 | 3 | 1890 | 1890 |
![]() | Scott | 2 | 3 | 4 | 2 | 2 | 1956 | 2011 |
![]() | Shannon | 3 | 3 | 2 | 3 | 3 | 1941 | 1992 |
![]() | Stoddard | 1 | 1 | 2 | 1 | 1 | 1987 | 1987 |
![]() | Stone | 6 | 10 | 5 | 5 | 5 | 1892 | 1973 |
![]() | Taney | 19 | 60 | 21 | 28 | 32 | 1906 | 2020 |
![]() | Texas | 2 | 2 | 2 | 2 | 2 | 2003 | 2006 |
![]() | Vernon | 2 | 14 | 1 | 6 | 6 | 1936 | 1937 |
![]() | Warren | 1 | 2 | 1 | 1 | 1 | ||
![]() | Washington | 2 | 2 | 2 | 2 | 2 | 1909 | 2020 |
![]() | Wayne | 5 | 5 | 3 | 4 | 4 | 1940 | 1962 |
![]() | Webster | 1 | 1 | 1 | 1 | 1 | 1959 | 1959 |
![]() | Wright | 2 | 3 | 2 | 3 | 3 | 1932 | 1959 |
Potential County Records
| Likelihood | County | Rationale | Ecoregion / Watershed | |
|---|---|---|---|---|
![]() | 2 | Cape Girardeau | Same Level IV ecoregion, within 5 miles | River Hills |
![]() | 2 | Cooper | Same Level IV ecoregion, within 5 miles | River Hills |
![]() | 2 | Henry | Same Level IV ecoregion, within 5 miles | Cherokee Plains |
![]() | 2 | Henry | Same Level IV ecoregion, within 5 miles | Wooded Osage Plains |
![]() | 2 | Mississippi | Same Level IV ecoregion, within 5 miles | St. Francis Lowlands |
![]() | 2 | Pemiscot | Same Level IV ecoregion, within 5 miles | St. Francis Lowlands |
![]() | 2 | Platte | Same Level IV ecoregion, within 5 miles | Missouri Alluvial Plain |
![]() | 2 | Ray | Same Level IV ecoregion, within 5 miles | Loess Flats and Till Plains |
![]() | 2 | Ray | Same Level IV ecoregion, within 5 miles | Missouri Alluvial Plain |
![]() | 4 | Andrew | Same Level IV ecoregion, within 10 miles | Rolling Loess Prairies |
![]() | 4 | Andrew | Same Level IV ecoregion, within 10 miles | Missouri Alluvial Plain |
![]() | 4 | Caldwell | Same Level IV ecoregion, within 10 miles | Loess Flats and Till Plains |
![]() | 4 | Callaway | Same Level IV ecoregion, within 10 miles | River Hills |
![]() | 4 | Lafayette | Same Level IV ecoregion, within 10 miles | Missouri Alluvial Plain |
![]() | 4 | Saline | Same Level IV ecoregion, within 10 miles | River Hills |
![]() | 5 | Moniteau | Same Level III ecoregion, within 10 miles | Ozark Highlands |
![]() | 6 | Audrain | Same Level IV ecoregion, within 20 miles | River Hills |
![]() | 6 | Bates | Same Level IV ecoregion, within 20 miles | Cherokee Plains |
![]() | 6 | Buchanan | Same Level IV ecoregion, within 20 miles | Missouri Alluvial Plain |
![]() | 6 | Buchanan | Same Level IV ecoregion, within 20 miles | Loess Flats and Till Plains |
![]() | 6 | Buchanan | Same Level IV ecoregion, within 20 miles | Rolling Loess Prairies |
![]() | 6 | Cass | Same Level IV ecoregion, within 20 miles | Wooded Osage Plains |
![]() | 6 | De Kalb | Same Level IV ecoregion, within 20 miles | Loess Flats and Till Plains |
![]() | 6 | Howard | Same Level IV ecoregion, within 20 miles | River Hills |
![]() | 6 | Lewis | Same Level IV ecoregion, within 20 miles | Upper Mississippi Alluvial Plain |
![]() | 6 | Lincoln | Same Level IV ecoregion, within 20 miles | River Hills |
![]() | 6 | Nodaway | Same Level IV ecoregion, within 20 miles | Rolling Loess Prairies |
![]() | 6 | Ralls | Same Level IV ecoregion, within 20 miles | River Hills |
![]() | 8 | Boone | Same Level IV ecoregion, within 30 miles | River Hills |
![]() | 8 | Carroll | Same Level IV ecoregion, within 30 miles | Loess Flats and Till Plains |
![]() | 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 | Livingston | Same Level IV ecoregion, within 30 miles | Loess Flats and Till Plains |
![]() | 8 | Marion | Same Level IV ecoregion, within 30 miles | River Hills |
![]() | 10 | Chariton | Same Level IV ecoregion, adjacent county | Missouri Alluvial Plain |
![]() | 10 | Chariton | Same Level IV ecoregion, adjacent county | Rolling Loess Prairies |
![]() | 10 | Chariton | Same Level IV ecoregion, adjacent county | Loess Flats and Till Plains |
![]() | 10 | Knox | Same Level IV ecoregion, adjacent county | Loess Flats and Till Plains |
![]() | 10 | Macon | Same Level IV ecoregion, adjacent county | Loess Flats and Till Plains |
![]() | 10 | Monroe | Same Level IV ecoregion, adjacent county | River Hills |
![]() | 10 | Scotland | Same Level IV ecoregion, adjacent county | 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
- Family:
- Teiidae Gray, 1827 - Whiptails, Racerunners, and Ameivas
- Genus:
- Aspidoscelis Fitzinger, 1843 - Whiptails
- Species:
- Aspidoscelis sexlineatus (Linnaeus, 1766) - Prairie Racerunner
Recent Taxonomic Synonyms
- Cnemidophorus sexlineatus
- Aspidoscelis sexlineata




