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Heterodon nasicus Baird and Girard, 1852 - Plains Hog-nosed Snake

Maps

Locality Map

Locality map for Heterodon nasicus (Plains Hog-nosed Snake)
Locality map for Heterodon nasicus (Plains Hog-nosed Snake).
Map created 5 February 2019.

County Map

County map for Heterodon nasicus (Plains Hog-nosed Snake)
County map for Heterodon nasicus (Plains Hog-nosed Snake).
Map created 5 February 2019.

Historical Locality Map

Historical locality map for Heterodon nasicus (Plains Hog-nosed Snake)
Historical locality map for Heterodon nasicus (Plains Hog-nosed Snake). 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 5 February 2019.

Historical County Map

Historical county map for Heterodon nasicus (Plains Hog-nosed Snake)
Historical county map for Heterodon nasicus (Plains Hog-nosed Snake). 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 5 February 2019.

Ecological Drainage Locality Map

Ecological Drainage Units map for Heterodon nasicus (Plains Hog-nosed Snake)
Ecological Drainage Units locality map for Heterodon nasicus (Plains Hog-nosed Snake).
Map created 5 February 2019.

Natural Divisions Locality Map

Natural Divisions locality map for Heterodon nasicus (Plains Hog-nosed Snake)
Natural Divisions and Sections locality map for Heterodon nasicus (Plains Hog-nosed Snake).
Map created 5 February 2019.

Major Watersheds Locality Map

Major watersheds map for Heterodon nasicus (Plains Hog-nosed Snake)
Major Watersheds locality map for Heterodon nasicus (Plains Hog-nosed Snake).
Map created 5 February 2019.

Level I Ecoregion Locality Map

Level I Ecoregions map for Heterodon nasicus (Plains Hog-nosed Snake)
Level I Ecoregion locality map for Heterodon nasicus (Plains Hog-nosed Snake).
Map created 5 February 2019.

Level II Ecoregion Locality Map

Level II Ecoregions map for Heterodon nasicus (Plains Hog-nosed Snake)
Level II Ecoregion locality map for Heterodon nasicus (Plains Hog-nosed Snake).
Map created 5 February 2019.

Level III Ecoregion Locality Map

Level III Ecoregions map for Heterodon nasicus (Plains Hog-nosed Snake)
Level III Ecoregion locality map for Heterodon nasicus (Plains Hog-nosed Snake).
Map created 5 February 2019.

Level IV Ecoregion Locality Map

Level IV Ecoregions map for Heterodon nasicus (Plains Hog-nosed Snake)
Level IV Ecoregion locality map for Heterodon nasicus (Plains Hog-nosed Snake).
Map created 5 February 2019.

Native Status

Heterodon nasicus (Plains Hog-nosed Snake) is native to Missouri.

Collection Summary

Heterodon nasicus (Plains Hog-nosed Snake) has a total of 5 valid, non-duplicated collections representing 1 counties and 3 localities. There are a total of 2 collectors and 3 collection dates for the species. This results in a total of 3 expeditions for the species, a measure of unique date / collector(s) combinations. The earliest collection year for the species in Missouri is 1942 and its most recent collection year is 1969. The earliest and latest collection dates (independent of earliest and most recent collection years) are September 26 and October 11, respectively. If you have a new record to report, read the New Records section of the FAQ.

Collection Summary by County

Collection summary for Heterodon nasicus (Plains Hog-nosed Snake) 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
Holt 3 5 2 3 3 1942 1969

Potential County Records

Potential counties for Heterodon nasicus (Plains Hog-nosed Snake). 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 Atchison Same Level IV ecoregion, within 5 miles Missouri Alluvial Plain
2 Atchison Same Level IV ecoregion, within 5 miles Missouri Alluvial Plain
6 Andrew Same Level IV ecoregion, within 20 miles Missouri Alluvial Plain
6 Andrew Same Level IV ecoregion, within 20 miles Missouri Alluvial Plain
7 Nodaway Same Level III ecoregion, within 20 miles Western Corn Belt Plains
7 Nodaway Same Level III ecoregion, within 20 miles Western Corn Belt Plains
8 Buchanan Same Level IV ecoregion, within 30 miles Missouri Alluvial Plain
8 Buchanan Same Level IV ecoregion, within 30 miles Missouri Alluvial Plain

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:
Heterodon Latreille, 1801 - North American Hog-nosed Snakes
Species:
Heterodon nasicus Baird and Girard, 1852 - Plains Hog-nosed Snake

Recent Taxonomic Synonyms

(none)