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Knox County, Missouri


Potential Species Records

Potential species for Knox 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 Loess Flats and Till Plains
2 Lampropeltis triangulum Eastern Milksnake Same Level IV ecoregion, within 5 miles Loess Flats and Till Plains
2 Lampropeltis triangulum Eastern Milksnake Same Level IV ecoregion, within 5 miles Loess Flats and Till Plains
2 Lithobates areolatus Northern Crawfish Frog Same Level IV ecoregion, within 5 miles Claypan Prairie
2 Terrapene ornata Ornate Box Turtle Same Level IV ecoregion, within 5 miles Claypan Prairie
2 Terrapene ornata Ornate Box Turtle Same Level IV ecoregion, within 5 miles Claypan Prairie
4 Carphophis vermis Western Wormsnake Same Level IV ecoregion, within 10 miles Loess Flats and Till Plains
4 Carphophis vermis Western Wormsnake Same Level IV ecoregion, within 10 miles Loess Flats and Till Plains
4 Lampropeltis holbrooki Speckled Kingsnake Same Level IV ecoregion, within 10 miles Claypan Prairie
4 Lampropeltis holbrooki Speckled Kingsnake Same Level IV ecoregion, within 10 miles Claypan Prairie
4 Ophisaurus attenuatus Western Slender Glass Lizard Same Level IV ecoregion, within 10 miles Claypan Prairie
4 Ophisaurus attenuatus Western Slender Glass Lizard Same Level IV ecoregion, within 10 miles Claypan Prairie
4 Pseudacris crucifer Spring Peeper Same Level IV ecoregion, within 10 miles Loess Flats and Till Plains
4 Pseudacris crucifer Spring Peeper Same Level IV ecoregion, within 10 miles Claypan Prairie
4 Pseudacris crucifer Spring Peeper Same Level IV ecoregion, within 10 miles Loess Flats and Till Plains
4 Pseudacris crucifer Spring Peeper Same Level IV ecoregion, within 10 miles Claypan Prairie
4 Pseudacris maculata Boreal Chorus Frog Same Level IV ecoregion, within 10 miles Loess Flats and Till Plains
4 Pseudacris maculata Boreal Chorus Frog Same Level IV ecoregion, within 10 miles Loess Flats and Till Plains
4 Trachemys scripta Red-eared Slider Same Level IV ecoregion, within 10 miles Loess Flats and Till Plains
4 Trachemys scripta Red-eared Slider Same Level IV ecoregion, within 10 miles Loess Flats and Till Plains
6 Agkistrodon contortrix Copperhead Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Agkistrodon contortrix Copperhead Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Ambystoma tigrinum Eastern Tiger Salamander Same Level IV ecoregion, within 20 miles Claypan Prairie
6 Ambystoma tigrinum Eastern Tiger Salamander Same Level IV ecoregion, within 20 miles Claypan Prairie
6 Ambystoma tigrinum Eastern Tiger Salamander Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Ambystoma tigrinum Eastern Tiger Salamander Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Anaxyrus fowleri Fowler's Toad Same Level IV ecoregion, within 20 miles Claypan Prairie
6 Anaxyrus fowleri Fowler's Toad Same Level IV ecoregion, within 20 miles Claypan Prairie
6 Anaxyrus fowleri Fowler's Toad Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Anaxyrus fowleri Fowler's Toad Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Crotalus horridus Timber Rattlesnake Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Crotalus horridus Timber Rattlesnake Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Crotalus horridus Timber Rattlesnake Same Level IV ecoregion, within 20 miles Claypan Prairie
6 Crotalus horridus Timber Rattlesnake Same Level IV ecoregion, within 20 miles Claypan Prairie
6 Emydoidea blandingii Blanding's Turtle Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Graptemys geographica Northern Map Turtle Same watershed, within 20 miles South Fabius
6 Graptemys ouachitensis Ouachita Map Turtle Same watershed, within 20 miles North Fork Salt
6 Hyla versicolor Gray Treefrog Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Hyla versicolor Gray Treefrog Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Kinosternon flavescens Yellow Mud Turtle Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Lithobates sylvaticus Wood Frog Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Lithobates sylvaticus Wood Frog Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Scincella lateralis Little Brown Skink Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Scincella lateralis Little Brown Skink Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Terrapene carolina Three-toed Box Turtle Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Terrapene carolina Three-toed Box Turtle Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Tropidoclonion lineatum Lined Snake Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Virginia valeriae Western Smooth Earthsnake Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
8 Apalone mutica Midland Smooth Softshell Same watershed, within 30 miles South Fabius
8 Nerodia rhombifer Diamond-backed Watersnake Same Level IV ecoregion, within 30 miles Loess Flats and Till Plains
8 Pantherophis vulpinus Eastern Foxsnake Same Level IV ecoregion, within 30 miles Loess Flats and Till Plains
8 Pantherophis vulpinus Eastern Foxsnake Same Level IV ecoregion, within 30 miles Loess Flats and Till Plains
8 Plestiodon laticeps Broad-headed Skink Same Level IV ecoregion, within 30 miles Loess Flats and Till Plains
10 Aspidoscelis sexlineata Six-lined Racerunner Same Level IV ecoregion, adjacent county Loess Flats and Till Plains
10 Graptemys pseudogeographica False Map Turtle Adjacent county, same watershed The Sny
10 Necturus maculosus Mudpuppy Adjacent county, same watershed The Sny
10 Opheodrys aestivus Northern Rough Greensnake Same Level IV ecoregion, adjacent county Claypan Prairie
10 Opheodrys aestivus Northern Rough Greensnake Same Level IV ecoregion, adjacent county Claypan Prairie
10 Opheodrys aestivus Northern Rough Greensnake Same Level IV ecoregion, adjacent county Loess Flats and Till Plains
10 Opheodrys aestivus Northern Rough Greensnake Same Level IV ecoregion, adjacent county Loess Flats and Till Plains
10 Pituophis catenifer Bullsnake Same Level IV ecoregion, adjacent county Loess Flats and Till Plains
10 Pituophis catenifer Bullsnake Same Level IV ecoregion, adjacent county Claypan Prairie