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Saint Charles County, Missouri

Collection Summary

Saint Charles County has a total of 482 valid, non-duplicated collections representing 65 species and 115 localities. There are a total of 64 collectors and 152 collection dates for the county. This results in a total of 163 expeditions for the county, a measure of unique date / collector(s) combinations. The county's earliest collection year is 1889 and its most recent collection year is 2015. The earliest and latest collection dates (independent of earliest and most recent collection years) are February 4 and November 27, respectively. If you have a new record to report for Saint Charles County, read the New Records section of the FAQ.

Collection Summary by Species

Collection summary for Saint Charles 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 13 5 3 4 1929 1995
Agkistrodon contortrix Copperhead 2 2 2 2 2 1975 1999
Ambystoma annulatum Ringed Salamander 1 2 3 1 2 1995 1995
Ambystoma maculatum Spotted Salamander 1 4 3 1 2 1995 1995
Ambystoma opacum Marbled Salamander 1 1 1 1 1 2013 2013
Ambystoma texanum Small-mouthed Salamander 2 7 4 5 6 1900 1934
Ambystoma tigrinum Eastern Tiger Salamander 2 5 3 3 3 1940 1974
Anaxyrus americanus American Toad 2 2 2 2 2 1940 1981
Anaxyrus fowleri Fowler's Toad 3 8 3 3 3 1962 1993
Apalone spinifera Eastern Spiny Softshell 1 6 1 1 1 1931 1931
Aspidoscelis sexlineata Six-lined Racerunner 1 1 2 1 1 2008 2008
Carphophis vermis Western Wormsnake 1 2 2 2 2 1898 1898
Chelydra serpentina Snapping Turtle 1 1 1 1 1 1985 1985
Chrysemys picta Western Painted Turtle 5 10 5 3 4 1929 1931
Coluber constrictor North American Racer 7 7 5 7 7 1939 2010
Crotalus horridus Timber Rattlesnake 1 1 1 1 1 2003 2003
Diadophis punctatus Ring-necked Snake 2 2 2 2 2 1940 1971
Emydoidea blandingii Blanding's Turtle 1 1 2 1 1 1990 1990
Gastrophryne carolinensis Eastern Narrow-mouthed Toad 1 1 1 1 1 2015 2015
Graptemys geographica Northern Map Turtle 1 1 1 1 1
Graptemys ouachitensis Ouachita Map Turtle 1 1 1 1 1 1993 1993
Graptemys pseudogeographica False Map Turtle 1 2 1 1 1 1922 1922
Heterodon platirhinos Eastern Hog-nosed Snake 3 7 2 5 5 1889 1985
Hyla chrysoscelis Cope's Gray Treefrog 1 1 1 1 1 1989 1989
Lampropeltis calligaster Prairie Kingsnake 7 10 6 10 10 1900 2010
Lampropeltis holbrooki Speckled Kingsnake 6 8 5 7 7 1906 1989
Lampropeltis triangulum Eastern Milksnake 2 2 2 2 2 2010 2010
Lithobates areolatus Northern Crawfish Frog 2 4 2 3 3 1938 1938
Lithobates blairi Plains Leopard Frog 4 42 4 3 3 1900 1989
Lithobates catesbeianus American Bullfrog 4 7 6 6 7 1962 1998
Lithobates clamitans Green Frog 1 1 1 1 1 1903 1903
Lithobates palustris Pickerel Frog 2 2 3 2 2 2003 2003
Lithobates sphenocephalus Southern Leopard Frog 7 23 6 7 7 1903 1989
Lithobates sylvaticus Wood Frog 1 4 3 1 2 1995 1995
Nerodia erythrogaster Plain-bellied Watersnake 4 4 4 4 4 1983 2010
Nerodia rhombifer Diamond-backed Watersnake 2 4 3 3 3 1906 1990
Nerodia sipedon Common Watersnake 4 5 6 5 5 1906 1990
Notophthalmus viridescens Central Newt 3 18 5 3 4 1985 1995
Opheodrys aestivus Northern Rough Greensnake 1 1 1 1 1 2009 2009
Opheodrys vernalis Smooth Greensnake 2 2 2 2 2 1899 1899
Pantherophis obsoletus Western Ratsnake 7 9 5 8 8 1958 2010
Pantherophis vulpinus Eastern Foxsnake 9 10 5 8 8 1900 2010
Pituophis catenifer Bullsnake 2 2 2 2 2 1935 1935
Plestiodon fasciatus Common Five-lined Skink 2 3 3 3 3 1940 1985
Plestiodon laticeps Broad-headed Skink 2 2 2 2 2 1975 1989
Plethodon albagula Western Slimy Salamander 1 1 1 1 1
Pseudacris crucifer Spring Peeper 1 2 2 1 1 2003 2003
Pseudacris maculata Boreal Chorus Frog 4 14 7 5 6 1900 1995
Pseudemys concinna River Cooter 2 2 4 2 2 2000 2010
Regina grahamii Graham's Crawfish Snake 4 6 6 6 6 1900 2010
Sceloporus consobrinus Prairie Lizard 3 5 4 4 4 1940 2008
Scincella lateralis Little Brown Skink 2 2 2 2 2 1982 2007
Siren intermedia Western Lesser Siren 1 1 1 1 1 1986 1986
Sistrurus catenatus Eastern Massasauga 8 32 6 9 9 1899 1941
Spea bombifrons Plains Spadefoot 5 16 2 5 5 1975 2010
Sternotherus odoratus Eastern Musk Turtle 1 1 1 1 1 1992 1992
Storeria dekayi DeKay's Brownsnake 3 3 5 3 3 1989 1993
Storeria occipitomaculata Northern Red-bellied Snake 2 2 1 2 2 2010 2013
Terrapene carolina Three-toed Box Turtle 4 5 5 3 5 1973 1989
Terrapene ornata Ornate Box Turtle 2 2 2 2 2 2013 2013
Thamnophis proximus Orange-striped Ribbonsnake 5 19 4 9 10 1905 1989
Thamnophis radix Plains Gartersnake 11 78 5 10 11 1900 1939
Thamnophis sirtalis Common Gartersnake 24 29 12 24 25 1929 1993
Trachemys scripta Red-eared Slider 5 7 6 5 5 1909 1994
Virginia valeriae Western Smooth Earthsnake 1 1 1 1 1 1965 1965