Maps
Landmark Map
Landmark locality map for Knox County, Missouri
Map created 8 April 2021.
![]() | Interstate Highway | ![]() | Railroad | ![]() | US Army Corps of Engineers |
![]() | US Highway | ![]() | Department of Conservation | ![]() | US Fish and Wildlife Service |
![]() | State Highway | ![]() | Department of Natural Resources | ![]() | National Park Service |
![]() | County Highway | ![]() | US Forest Service | ![]() | US Department of Defense |
Locator Map
Locator map for Knox County, Missouri
Map created 8 April 2021.
Natural Divisions Locality Map
Natural Divisions locality map for Knox County, Missouri
Map created 8 April 2021.
Ecological Drainage Unit Locality Map
Ecological Drainage Units locality map for Knox County, Missouri
Map created 8 April 2021.
Major Watersheds Locality Map
Major Watersheds locality map for Knox County, Missouri
Map created 8 April 2021.
Major Rivers Locality Map
Major Rivers locality map for Knox County, Missouri
Map created 8 April 2021.
Level I Ecoregion Locality Map
Level I Ecoregion locality map for Knox County, Missouri
Map created 8 April 2021.
Level II Ecoregion Locality Map
Level II Ecoregion locality map for Knox County, Missouri
Map created 8 April 2021.
Level III Ecoregion Locality Map
Level III Ecoregion locality map for Knox County, Missouri
Map created 8 April 2021.
Level IV Ecoregion Locality Map
Level IV Ecoregion locality map for Knox County, Missouri
Map created 8 April 2021.
Presettlement Prairie Locality Map
Presettlement Prairie locality map for Knox County, Missouri
Map created 8 April 2021.
Historical Vegetation Map
Historical Vegetation map for Knox County, Missouri
Map created 8 April 2021.
![]() | Water | ![]() | Prairie | ![]() | Barrens / Scrub |
![]() | Forest | ![]() | Woodland | ![]() | Open Woodland |
Geology Locality Map
Geology locality map for Knox County, Missouri
Map created 8 April 2021.
![]() | Alluvium | ![]() | Sandstone | ![]() | Dolomite | ![]() | Limestone |
![]() | Clay | ![]() | Sandstone / Limestone | ![]() | Dolomite / Limestone | ![]() | Limestone / Sandstone |
![]() | Igneous | ![]() | Sandstone / Dolomite | ![]() | Dolomite / Shale | ![]() | Limestone / Shale |
![]() | Limestone / Sandstone / Shale |
Species List
Salamanders (Caudata)
-
(none)
Frogs (Anura)
- Anaxyrus americanus (Holbrook, 1836) - American Toad
- Acris blanchardi Harper, 1947 - Blanchard's Cricket Frog
- Lithobates blairi (Mecham, Littlejohn, Oldham, Brown, and Brown, 1973) - Plains Leopard Frog
- Lithobates catesbeianus (Shaw, 1802) - American Bullfrog
- Lithobates clamitans (Latreille, 1801) - Green Frog
- Lithobates palustris (LeConte, 1825) - Pickerel Frog
- Lithobates sphenocephalus (Cope, 1886) - Southern Leopard Frog
Lizards (Lacertilia)
- Plestiodon fasciatus (Linnaeus, 1758) - Common Five-lined Skink
Snakes (Serpentes)
- Coluber constrictor Linnaeus, 1758 - North American Racer
- Lampropeltis calligaster (Harlan, 1827) - Prairie Kingsnake
- Pantherophis obsoletus (Say, 1823) - Western Ratsnake
- Diadophis punctatus (Linnaeus, 1766) - Ring-necked Snake
- Heterodon platirhinos Latreille, 1801 - Eastern Hog-nosed Snake
- Nerodia sipedon (Linnaeus, 1758) - Common Watersnake
- Regina grahamii Baird and Girard, 1853 - Graham's Crawfish Snake
- Storeria dekayi (Holbrook, 1836) - DeKay's Brownsnake
- Storeria occipitomaculata (Storer, 1839) - Northern Red-bellied Snake
- Thamnophis proximus (Say, 1823) - Orange-striped Ribbonsnake
- Thamnophis sirtalis (Linnaeus, 1758) - Common Gartersnake
Turtles (Testudines)
- Chelydra serpentina (Linnaeus, 1758) - Snapping Turtle
- Chrysemys picta (Schneider, 1783) - Western Painted Turtle
- Apalone spinifera (LeSueur, 1827) - Eastern Spiny Softshell
Collection Summary
Knox County has a total of 45 valid, non-duplicated collections representing 22 species and 36 localities. There are a total of 10 collectors and 24 collection dates for the county. This results in a total of 25 expeditions for the county, a measure of unique date / collector(s) combinations. The county's earliest collection year is 1941 and its most recent collection year is 2013. The earliest and latest collection dates (independent of earliest and most recent collection years) are March 18 and October 9, respectively. If you have a new record to report for Knox County, read the New Records section of the FAQ.
Collection Summary by Species
Potential Species Records
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 | 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 |
![]() | 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 | Lithobates sylvaticus | Wood Frog | 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 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 |
![]() | 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 | Loess Flats and Till Plains |
![]() | 6 | Ambystoma tigrinum | Eastern Tiger Salamander | 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 | 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 | Loess Flats and Till Plains |
![]() | 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 chrysoscelis | Cope's 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 | Plestiodon laticeps | Broad-headed 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 | 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 |
![]() | 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 | Loess Flats and Till Plains |
![]() | 10 | Pituophis catenifer | Bullsnake | Same Level IV ecoregion, adjacent county | Claypan Prairie |
![]() | 10 | Pituophis catenifer | Bullsnake | Same Level IV ecoregion, adjacent county | Loess Flats and Till Plains |
Checklist
All MOHAP publications are released in portable document format (PDF), an ISO standard. You must download and install a reader (click icon below) to view these documents. A state checklist, including all counties, is available on the publications page.
Daniel, R.E., B.S. Edmond, and J.T. Briggler. 2020. Checklist of Knox County Missouri Amphibians and Reptiles for 2019. <http://atlas.moherp.org/county/Knox>
Daniel, R.E., B.S. Edmond, and J.T. Briggler. 2020. Checklist of Knox County Missouri Amphibians and Reptiles for 2019. <http://atlas.moherp.org/county/Knox> (with common names)