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Clark County, Missouri

Collection Summary

Clark County has a total of 147 valid, non-duplicated collections representing 45 species and 65 localities. There are a total of 39 collectors and 73 collection dates for the county. This results in a total of 78 expeditions for the county, a measure of unique date / collector(s) combinations. The county's earliest collection year is 1910 and its most recent collection year is 2025. The earliest and latest collection dates (independent of earliest and most recent collection years) are April 12 and October 20, respectively. If you have a new record to report for Clark County, read the New Records section of the FAQ.

Collection Summary by Species

Collection summary for Clark 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 3 8 3 3 1981 2007
Agkistrodon contortrix Eastern Copperhead 1 1 1 1 1 1957 1957
Ambystoma texanum Small-mouthed Salamander 1 1 2 1 1 2019 2019
Ambystoma tigrinum Eastern Tiger Salamander 2 2 3 2 2 1993 2008
Anaxyrus americanus American Toad 1 2 1 1 1 1990 1990
Anaxyrus fowleri Fowler's Toad 1 1 4 1 1 2006 2006
Apalone mutica Midland Smooth Softshell 1 2 1 1 1 1916 1916
Apalone spinifera Northern Spiny Softshell 1 1 1 1 1 2013 2013
Aspidoscelis sexlineatus Prairie Racerunner 2 2 6 2 2 2006 2018
Chelydra serpentina North American Snapping Turtle 1 1 1 1 1 1960 1960
Chrysemys picta Western Painted Turtle 4 5 3 3 5 1983 1996
Clonophis kirtlandii Kirtland's Snake 1 3 1 2 2 2006 2006
Coluber constrictor North American Racer 1 1 2 1 1 2011 2011
Crotalus horridus Timber Rattlesnake 1 1 1 1 1
Diadophis punctatus Ring-necked Snake 1 1 1 1 1 2010 2010
Dryophytes versicolor Gray Treefrog 1 1 3 1 1 2021 2021
Emydoidea blandingii Blanding's Turtle 7 8 3 6 6 1941 1981
Graptemys geographica Northern Map Turtle 1 2 1 1 1 1960 1960
Graptemys pseudogeographica False Map Turtle 1 2 1 1 1 2013 2013
Heterodon platirhinos Eastern Hog-nosed Snake 3 3 3 3 3 1979 2025
Kinosternon flavescens Yellow Mud Turtle 3 32 4 22 22 1978 1990
Lampropeltis calligaster Prairie Kingsnake 2 2 2 2 2 1971 2004
Lampropeltis triangulum Eastern Milksnake 1 1 1 1 1 1990 1990
Lithobates blairi Plains Leopard Frog 6 16 2 2 4 1995 1996
Lithobates catesbeianus North American Bullfrog 2 2 1 2 2 1960 1961
Lithobates clamitans North American Green Frog 2 2 2 1 2 1995 1995
Lithobates sphenocephalus Coastal Plains Leopard Frog 1 1 3 1 1 2006 2006
Nerodia rhombifer Northern Diamond-backed Watersnake 2 4 2 2 2 2013 2013
Nerodia sipedon Common Watersnake 3 3 4 3 3 1979 2011
Ophisaurus attenuatus Western Slender Glass Lizard 1 1 1 1 1 1982 1982
Pantherophis obsoletus Western Ratsnake 2 2 2 2 2 1979 2005
Pantherophis vulpinus Eastern Foxsnake 1 1 1 1 1 1980 1980
Pituophis catenifer Bullsnake 2 2 2 2 2 2013 2025
Plestiodon fasciatus Common Five-lined Skink 1 2 1 2 2 1910 2002
Pseudacris crucifer Spring Peeper 1 3 1 1 1 1990 1990
Regina grahamii Graham's Crawfish Snake 5 8 2 5 5 1979 1990
Sternotherus odoratus Eastern Musk Turtle 1 1 1 1 1 2013 2013
Storeria dekayi DeKay's Brownsnake 3 3 1 1 1 2013 2013
Storeria occipitomaculata Red-bellied Snake 1 1 1 1 1 2010 2010
Terrapene ornata Ornate Box Turtle 3 3 3 3 3 1934 2018
Terrapene triunguis Three-toed Box Turtle 1 1 1 1 1 1960 1960
Thamnophis proximus Orange-striped Ribbonsnake 3 5 3 2 3 1995 2007
Thamnophis sirtalis Common Gartersnake 2 2 2 2 2 2013 2013
Trachemys scripta Red-eared Slider 5 5 5 4 5 1960 2012
Tropidoclonion lineatum Lined Snake 1 1 2 1 1 1995 1995