Maps
Locality Map
Locality map for Sonora semiannulata (Variable Groundsnake).
Map created 25 February 2020.
County Map
County map for Sonora semiannulata (Variable Groundsnake).
Map created 25 February 2020.
Historical Locality Map
Historical locality map for Sonora semiannulata (Variable Groundsnake). 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 25 February 2020.
Historical County Map
Historical county map for Sonora semiannulata (Variable Groundsnake). 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 25 February 2020.
Ecological Drainage Locality Map
Ecological Drainage Units locality map for Sonora semiannulata (Variable Groundsnake).
Map created 25 February 2020.
Natural Divisions Locality Map
Natural Divisions and Sections locality map for Sonora semiannulata (Variable Groundsnake).
Map created 25 February 2020.
Major Watersheds Locality Map
Major Watersheds locality map for Sonora semiannulata (Variable Groundsnake).
Map created 25 February 2020.
Level I Ecoregion Locality Map
Level I Ecoregion locality map for Sonora semiannulata (Variable Groundsnake).
Map created 25 February 2020.
Level II Ecoregion Locality Map
Level II Ecoregion locality map for Sonora semiannulata (Variable Groundsnake).
Map created 25 February 2020.
Level III Ecoregion Locality Map
Level III Ecoregion locality map for Sonora semiannulata (Variable Groundsnake).
Map created 25 February 2020.
Level IV Ecoregion Locality Map
Level IV Ecoregion locality map for Sonora semiannulata (Variable Groundsnake).
Map created 25 February 2020.
Native Status
Sonora semiannulata (Variable Groundsnake) is native to Missouri.
Collection Summary
Sonora semiannulata (Variable Groundsnake) has a total of 280 valid, non-duplicated collections representing 6 counties and 40 localities. There are a total of 28 collectors and 65 collection dates for the species. This results in a total of 74 expeditions for the species, a measure of unique date / collector(s) combinations. The earliest collection year for the species in Missouri is 1937 and its most recent collection year is 2012. The earliest and latest collection dates (independent of earliest and most recent collection years) are March 1 and September 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 | |
---|---|---|---|---|---|---|---|---|
![]() | Christian | 1 | 1 | 1 | 1 | 1 | 1967 | 1967 |
![]() | McDonald | 4 | 29 | 6 | 9 | 9 | 1958 | 1982 |
![]() | Ozark | 8 | 66 | 4 | 12 | 13 | 1961 | 1982 |
![]() | Saint Clair | 9 | 77 | 6 | 17 | 21 | 1937 | 1942 |
![]() | Stone | 2 | 2 | 2 | 2 | 2 | 1946 | 1946 |
![]() | Taney | 16 | 105 | 20 | 28 | 32 | 1946 | 2012 |
Potential County Records
Likelihood | County | Rationale | Ecoregion / Watershed | |
---|---|---|---|---|
![]() | 2 | Benton | Same Level IV ecoregion, within 5 miles | Osage/Gasconade Hills |
![]() | 2 | Greene | Same Level IV ecoregion, within 5 miles | Springfield Plateau |
![]() | 2 | Henry | Same Level IV ecoregion, within 5 miles | Osage/Gasconade Hills |
![]() | 2 | Hickory | Same Level IV ecoregion, within 5 miles | Osage/Gasconade Hills |
![]() | 2 | Jasper | Same Level IV ecoregion, within 5 miles | Springfield Plateau |
![]() | 2 | Newton | Same Level IV ecoregion, within 5 miles | Springfield Plateau |
![]() | 4 | Douglas | Same Level IV ecoregion, within 10 miles | White River Hills |
![]() | 4 | Lawrence | Same Level IV ecoregion, within 10 miles | Springfield Plateau |
![]() | 6 | Barry | Same Level IV ecoregion, within 20 miles | Dissected Springfield Plateau-Elk River Hills |
![]() | 6 | Barry | Same Level IV ecoregion, within 20 miles | Springfield Plateau |
![]() | 6 | Barry | Same Level IV ecoregion, within 20 miles | White River Hills |
![]() | 6 | Barton | Same Level IV ecoregion, within 20 miles | Springfield Plateau |
![]() | 6 | Cedar | Same Level IV ecoregion, within 20 miles | Osage/Gasconade Hills |
![]() | 6 | Dade | Same Level IV ecoregion, within 20 miles | Springfield Plateau |
![]() | 6 | Howell | Same Level IV ecoregion, within 20 miles | White River Hills |
![]() | 6 | Polk | Same Level IV ecoregion, within 20 miles | Osage/Gasconade Hills |
![]() | 8 | Camden | Same Level IV ecoregion, within 30 miles | Osage/Gasconade Hills |
![]() | 8 | Dallas | Same Level IV ecoregion, within 30 miles | Osage/Gasconade Hills |
![]() | 8 | Morgan | Same Level IV ecoregion, within 30 miles | Osage/Gasconade Hills |
![]() | 8 | Texas | Same Level IV ecoregion, within 30 miles | White River Hills |
![]() | 8 | Webster | Same Level IV ecoregion, within 30 miles | Springfield Plateau |
![]() | 8 | Webster | Same Level IV ecoregion, within 30 miles | White River Hills |
![]() | 8 | Wright | Same Level IV ecoregion, within 30 miles | White River Hills |
![]() | 9 | Pettis | Same Level III ecoregion, within 30 miles | Ozark Highlands |
![]() | 11 | Bates | Same Level III ecoregion, adjacent county | Central Irregular Plains |
![]() | 11 | Vernon | 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:
- Colubridae Oppel, 1811 - Typical Harmless Snakes
- Genus:
- Sonora Baird and Girard, 1853 - North American Groundsnakes
- Species:
- Sonora semiannulata Baird and Girard, 1853 - Variable Groundsnake
Recent Taxonomic Synonyms
(none)