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Pettis County, Missouri

Maps

Landmark Map

Landmark locality map for Pettis County, Missouri
Landmark locality map for Pettis County, Missouri
Map created 15 April 2026.

Interstate HighwayRailroadUS Army Corps of Engineers
US HighwayDepartment of ConservationUS Fish and Wildlife Service
State HighwayDepartment of Natural ResourcesNational Park Service
County HighwayUS Forest ServiceUS Department of Defense

Locator Map

Locator map for Pettis County, Missouri
Locator map for Pettis County, Missouri
Map created 15 April 2026.

Natural Divisions Locality Map

Natural divisions and sections locality map for Pettis County, Missouri
Natural Divisions locality map for Pettis County, Missouri
Map created 15 April 2026.

Ecological Drainage Unit Locality Map

Ecological drainage unit locality map for Pettis County, Missouri
Ecological Drainage Units locality map for Pettis County, Missouri
Map created 15 April 2026.

Major Watersheds Locality Map

Major watersheds locality map for Pettis County, Missouri
Major Watersheds locality map for Pettis County, Missouri
Map created 15 April 2026.

Major Rivers Locality Map

Major rivers locality map for Pettis County, Missouri
Major Rivers locality map for Pettis County, Missouri
Map created 15 April 2026.

Level I Ecoregion Locality Map

Level I Ecoregion locality map for Pettis County, Missouri
Level I Ecoregion locality map for Pettis County, Missouri
Map created 15 April 2026.

Level II Ecoregion Locality Map

Level II Ecoregion locality map for Pettis County, Missouri
Level II Ecoregion locality map for Pettis County, Missouri
Map created 15 April 2026.

Level III Ecoregion Locality Map

Level III Ecoregion locality map for Pettis County, Missouri
Level III Ecoregion locality map for Pettis County, Missouri
Map created 15 April 2026.

Level IV Ecoregion Locality Map

Level IV Ecoregion locality map for Pettis County, Missouri
Level IV Ecoregion locality map for Pettis County, Missouri
Map created 15 April 2026.

Presettlement Prairie Locality Map

Presettlement prairie locality map for Pettis County, Missouri
Presettlement Prairie locality map for Pettis County, Missouri
Map created 15 April 2026.

Historical Vegetation Map

Historical vegetation map for Pettis County, Missouri
Historical Vegetation map for Pettis County, Missouri
Map created 15 April 2026.

WaterPrairieBarrens / Scrub
ForestWoodlandOpen Woodland

Geology Locality Map

Geology locality map for Pettis County, Missouri
Geology locality map for Pettis County, Missouri
Map created 15 April 2026.

AlluviumSandstoneDolomiteLimestone
ClaySandstone / LimestoneDolomite / LimestoneLimestone / Sandstone
IgneousSandstone / DolomiteDolomite / ShaleLimestone / Shale
Limestone / Sandstone / Shale

Species List

Salamanders (Caudata)

Frogs (Anura)

Lizards (Squamata, "Lizards")

Snakes (Squamata, "Snakes")

Turtles (Testudines)

Collection Summary

Pettis County has a total of 259 valid, non-duplicated collections representing 45 species and 116 localities. There are a total of 40 collectors and 88 collection dates for the county. This results in a total of 95 expeditions for the county, a measure of unique date / collector(s) combinations. The county's earliest collection year is 1899 and its most recent collection year is 2024. The earliest and latest collection dates (independent of earliest and most recent collection years) are March 7 and November 28, respectively. If you have a new record to report for Pettis County, read the New Records section of the FAQ.

Collection Summary by Species

Collection summary for Pettis County by species. Some values are unavailable since some records are represented solely by historical literature reports, which sometimes lack complete collecting data. Click on a species or common name to view more information about that species. Click on column headings to sort by that column.
Species Common Name Localities Collections Collectors Dates Expeditions Earliest Year Latest Year
Acris blanchardi Blanchard's Cricket Frog 3 4 5 3 4 1930 1997
Agkistrodon contortrix Eastern Copperhead 7 21 5 8 8 1939 2014
Anaxyrus americanus American Toad 3 4 3 3 3 1982 1991
Apalone spinifera Northern Spiny Softshell 1 1 1 1 1 2022 2022
Aspidoscelis sexlineatus Prairie Racerunner 3 3 2 2 2 1968 1975
Carphophis vermis Western Wormsnake 4 34 3 7 7 1939 1969
Chelydra serpentina North American Snapping Turtle 4 4 3 4 4 2005 2014
Chrysemys picta Western Painted Turtle 4 5 2 3 3 2014 2014
Coluber constrictor North American Racer 5 6 4 5 5 1939 2004
Crotalus horridus Timber Rattlesnake 7 11 5 7 8 1939 1976
Diadophis punctatus Ring-necked Snake 13 42 7 10 11 1939 2014
Eurycea longicauda Long-tailed Salamander 1 2 2 1 2 1972 1972
Graptemys pseudogeographica False Map Turtle 1 1 1 1 1 2022 2022
Heterodon platirhinos Eastern Hog-nosed Snake 2 2 3 2 2 1941 1976
Lampropeltis calligaster Prairie Kingsnake 4 4 4 4 4 1939 1997
Lampropeltis holbrooki Speckled Kingsnake 3 3 2 3 3 2013 2020
Lampropeltis triangulum Eastern Milksnake 5 6 4 6 6 1940 2014
Lithobates areolatus Northern Crawfish Frog 1 1 1 1 1 1982 1982
Lithobates blairi Plains Leopard Frog 1 1 1 1 1 2014 2014
Lithobates catesbeianus North American Bullfrog 3 3 4 3 3 1980 2022
Lithobates clamitans North American Green Frog 1 1 2 1 1 2002 2002
Lithobates palustris Pickerel Frog 1 1 1 1 1 1991 1991
Lithobates sphenocephalus Coastal Plains Leopard Frog 5 5 4 5 5 1929 2014
Nerodia erythrogaster Yellow-bellied Watersnake 1 1 1 1 1 1997 1997
Nerodia sipedon Common Watersnake 6 6 7 6 6 1930 2013
Opheodrys aestivus Northern Rough Greensnake 2 2 6 2 2 1997 2021
Ophisaurus attenuatus Western Slender Glass Lizard 2 2 2 2 2 1899 1949
Pantherophis obsoletus Western Ratsnake 6 8 3 5 5 1939 2021
Plestiodon anthracinus Southern Coal Skink 1 1 1 1 1 1991 1991
Plestiodon fasciatus Common Five-lined Skink 2 8 2 3 3 1968 1968
Plestiodon laticeps Broad-headed Skink 3 5 3 3 4 1968 1972
Pseudacris crucifer Spring Peeper 2 2 2 2 2 1962 2015
Pseudacris maculata Boreal Chorus Frog 1 7 1 2 2 1973 1973
Regina grahamii Graham's Crawfish Snake 2 2 2 2 2 1967 2014
Sceloporus consobrinus Prairie Lizard 6 9 5 5 5 1940 1999
Scincella lateralis Little Brown Skink 1 1 1 1 1 2014 2014
Storeria dekayi DeKay's Brownsnake 3 3 2 3 3 1995 2014
Storeria occipitomaculata Red-bellied Snake 2 2 2 2 2 1967 2014
Terrapene ornata Ornate Box Turtle 8 8 3 6 6 1982 2021
Terrapene triunguis Three-toed Box Turtle 8 8 5 8 8 1946 2024
Thamnophis proximus Orange-striped Ribbonsnake 2 2 1 2 2 2015 2022
Thamnophis sirtalis Common Gartersnake 9 9 4 8 8 1939 2015
Trachemys scripta Red-eared Slider 2 4 2 3 3 2022 2022
Tropidoclonion lineatum Lined Snake 3 3 2 2 2 1982 2014
Virginia valeriae Western Smooth Earthsnake 1 1 1 1 1 1995 1995

Potential Species Records

Potential species for Pettis County. Species are listed in descending order of their likelihood of occurrence within the county. Click on a species or common name to view more information about that species. Click on column headings to sort by that column.
Likelihood Species Common Name Rationale Ecoregion / Watershed
2 Ambystoma texanum Small-mouthed Salamander Same Level IV ecoregion, within 5 miles Wooded Osage Plains
2 Apalone mutica Midland Smooth Softshell Same watershed, within 5 miles Blackwater
2 Apalone mutica Midland Smooth Softshell Same watershed, within 5 miles Lamine
2 Graptemys ouachitensis Ouachita Map Turtle Same watershed, within 5 miles Lamine
2 Notophthalmus viridescens Central Newt Same Level IV ecoregion, within 5 miles River Hills
2 Notophthalmus viridescens Central Newt Same Level IV ecoregion, within 5 miles Wooded Osage Plains
2 Sternotherus odoratus Eastern Musk Turtle Same watershed, within 5 miles Lamine
2 Virginia striatula Rough Earthsnake Same Level IV ecoregion, within 5 miles Wooded Osage Plains
4 Dryophytes versicolor Gray Treefrog Same Level IV ecoregion, within 10 miles Prairie Ozark Border
4 Dryophytes versicolor Gray Treefrog Same Level IV ecoregion, within 10 miles Rolling Loess Prairies
5 Eurycea lucifuga Cave Salamander Same Level III ecoregion, within 10 miles Ozark Highlands
6 Agkistrodon piscivorus Northern Cottonmouth Same watershed, within 20 miles South Grand
6 Ambystoma tigrinum Eastern Tiger Salamander Same Level IV ecoregion, within 20 miles Wooded Osage Plains
6 Ambystoma tigrinum Eastern Tiger Salamander Same Level IV ecoregion, within 20 miles Rolling Loess Prairies
6 Anaxyrus cognatus Great Plains Toad Same Level IV ecoregion, within 20 miles Rolling Loess Prairies
6 Anaxyrus cognatus Great Plains Toad Same Level IV ecoregion, within 20 miles River Hills
6 Anaxyrus woodhousii Rocky Mountain Toad Same Level IV ecoregion, within 20 miles River Hills
6 Dryophytes cinereus Green Treefrog Same Level IV ecoregion, within 20 miles Wooded Osage Plains
6 Gastrophryne carolinensis Eastern Narrow-mouthed Toad Same Level IV ecoregion, within 20 miles Cherokee Plains
6 Masticophis flagellum Eastern Coachwhip Same Level IV ecoregion, within 20 miles Cherokee Plains
6 Masticophis flagellum Eastern Coachwhip Same Level IV ecoregion, within 20 miles Wooded Osage Plains
6 Nerodia rhombifer Northern Diamond-backed Watersnake Same Level IV ecoregion, within 20 miles Wooded Osage Plains
6 Plethodon serratus Southern Red-backed Salamander Same Level IV ecoregion, within 20 miles Cherokee Plains
6 Tantilla gracilis Flat-headed Snake Same Level IV ecoregion, within 20 miles Cherokee Plains
7 Ambystoma maculatum Spotted Salamander Same Level III ecoregion, within 20 miles Ozark Highlands
7 Anaxyrus fowleri Fowler's Toad Same Level III ecoregion, within 20 miles Ozark Highlands
7 Hemidactylium scutatum Four-toed Salamander Same Level III ecoregion, within 20 miles Ozark Highlands
7 Plethodon albagula Western Slimy Salamander Same Level III ecoregion, within 20 miles Ozark Highlands
7 Thamnophis radix Plains Gartersnake Same Level III ecoregion, within 20 miles Western Corn Belt Plains
8 Ambystoma opacum Marbled Salamander Same Level IV ecoregion, within 30 miles Cherokee Plains
8 Dryophytes chrysoscelis Cope's Gray Treefrog Same Level IV ecoregion, within 30 miles Wooded Osage Plains
8 Pantherophis emoryi Great Plains Ratsnake Same Level IV ecoregion, within 30 miles Prairie Ozark Border
8 Pituophis catenifer Bullsnake Same Level IV ecoregion, within 30 miles Cherokee Plains
8 Pituophis catenifer Bullsnake Same Level IV ecoregion, within 30 miles Rolling Loess Prairies
8 Sistrurus tergeminus Prairie Massasauga Same Level IV ecoregion, within 30 miles Rolling Loess Prairies
8 Spea bombifrons Plains Spadefoot Same Level IV ecoregion, within 30 miles River Hills
9 Kinosternon flavescens Yellow Mud Turtle Same Level III ecoregion, within 30 miles Western Corn Belt Plains
9 Sonora episcopa Great Plains Groundsnake Same Level III ecoregion, within 30 miles Ozark Highlands
10 Lithobates sylvaticus Wood Frog Same Level IV ecoregion, adjacent county River Hills
10 Opheodrys vernalis Smooth Greensnake Same Level IV ecoregion, adjacent county Rolling Loess Prairies
10 Opheodrys vernalis Smooth Greensnake Same Level IV ecoregion, adjacent county Wooded Osage Plains
10 Opheodrys vernalis Smooth Greensnake Same Level IV ecoregion, adjacent county River Hills

Checklist

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