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Jefferson County, Missouri

Collection Summary

Jefferson County has a total of 915 valid, non-duplicated collections representing 66 species and 159 localities. There are a total of 100 collectors and 191 collection dates for the county. This results in a total of 244 expeditions for the county, a measure of unique date / collector(s) combinations. The county's earliest collection year is 1893 and its most recent collection year is 2023. The earliest and latest collection dates (independent of earliest and most recent collection years) are February 2 and November 27, respectively. If you have a new record to report for Jefferson County, read the New Records section of the FAQ.

Collection Summary by Species

Collection summary for Jefferson 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 19 36 9 13 13 1895 1994
Agkistrodon contortrix Copperhead 15 18 11 11 11 1927 2015
Agkistrodon piscivorus Western Cottonmouth 1 1 1 1 1
Ambystoma maculatum Spotted Salamander 1 1 1 1 1
Ambystoma opacum Marbled Salamander 2 7 5 4 5 1932 2023
Ambystoma texanum Small-mouthed Salamander 3 6 5 4 4 1903 2018
Ambystoma tigrinum Eastern Tiger Salamander 5 5 1 1 1
Anaxyrus americanus American Toad 12 12 12 6 6 1969 2015
Anaxyrus fowleri Fowler's Toad 10 26 6 5 5 1932 1958
Apalone mutica Midland Smooth Softshell 4 8 6 6 6 1933 2021
Apalone spinifera Eastern Spiny Softshell 4 4 3 3 3 1932 2006
Aspidoscelis sexlineata Six-lined Racerunner 12 24 7 8 9 1895 1938
Carphophis vermis Western Wormsnake 13 44 11 15 16 1899 1971
Chelydra serpentina Snapping Turtle 7 7 3 2 2 1971 1971
Chrysemys picta Western Painted Turtle 2 2 2 2 2 1932 1932
Coluber constrictor North American Racer 28 33 12 12 14 1897 1971
Coluber flagellum Eastern Coachwhip 6 8 5 6 6 1896 2016
Crotalus horridus Timber Rattlesnake 4 6 3 3 3 1898 2009
Crotaphytus collaris Eastern Collared Lizard 9 18 4 9 9 1895 1952
Cryptobranchus alleganiensis Hellbender 1 1 1 1 1
Diadophis punctatus Ring-necked Snake 21 38 22 20 21 1899 2019
Eurycea longicauda Long-tailed Salamander 16 41 17 18 20 1898 1971
Eurycea lucifuga Cave Salamander 20 45 21 22 24 1902 2015
Gastrophryne carolinensis Eastern Narrow-mouthed Toad 1 1 1 1 1 1994 1994
Graptemys ouachitensis Ouachita Map Turtle 1 1 2 1 1 2008 2008
Haldea striatula Rough Earthsnake 4 21 4 5 5 1897 1938
Hemidactylium scutatum Four-toed Salamander 1 1 1 1 1 2014 2014
Heterodon platirhinos Eastern Hog-nosed Snake 5 6 2 2 2 1905 1905
Hyla versicolor Gray Treefrog 2 2 2 2 2 1992 1994
Lampropeltis calligaster Prairie Kingsnake 11 13 3 4 4 1910 1965
Lampropeltis holbrooki Speckled Kingsnake 11 15 7 6 6 1897 2020
Lampropeltis triangulum Eastern Milksnake 8 17 7 7 9 1895 2003
Lithobates blairi Plains Leopard Frog 1 1 1 1 1 1932 1932
Lithobates catesbeianus American Bullfrog 3 3 1 1 1
Lithobates clamitans Green Frog 6 8 9 4 5 1932 2015
Lithobates palustris Pickerel Frog 2 3 2 2 2 1899 1899
Lithobates sphenocephalus Southern Leopard Frog 6 7 9 6 7 1932 1971
Lithobates sylvaticus Wood Frog 1 1 1 1 1 1980 1980
Necturus maculosus Mudpuppy 4 5 3 4 5 1899 2019
Nerodia rhombifer Diamond-backed Watersnake 2 2 1 1 1
Nerodia sipedon Common Watersnake 7 9 2 3 3 1897 1897
Notophthalmus viridescens Central Newt 4 5 3 2 2 1932 1932
Opheodrys aestivus Northern Rough Greensnake 8 14 4 6 7 1903 1938
Ophisaurus attenuatus Western Slender Glass Lizard 5 8 3 3 3 1897 1932
Pantherophis emoryi Great Plains Ratsnake 13 22 4 5 7 1899 1938
Pantherophis obsoletus Western Ratsnake 11 14 3 6 6 1900 1998
Plestiodon anthracinus Southern Coal Skink 4 5 5 3 3 1907 2015
Plestiodon fasciatus Common Five-lined Skink 14 38 22 21 31 1907 1987
Plethodon albagula Western Slimy Salamander 17 34 18 15 17 1897 2019
Plethodon serratus Southern Red-backed Salamander 19 29 16 18 21 1900 2019
Pseudacris crucifer Spring Peeper 6 7 2 2 2 1932 1932
Pseudacris maculata Boreal Chorus Frog 8 10 6 4 5 1958 1994
Regina grahamii Graham's Crawfish Snake 2 3 1 1 1
Sceloporus consobrinus Prairie Lizard 34 46 19 18 23 1908 1987
Scincella lateralis Little Brown Skink 15 27 19 10 15 1912 2019
Siren intermedia Western Lesser Siren 1 1 1 1 1
Storeria dekayi DeKay's Brownsnake 5 5 2 3 3 1903 1932
Storeria occipitomaculata Northern Red-bellied Snake 3 4 2 2 2 1897 1897
Tantilla gracilis Flat-headed Snake 16 58 26 20 33 1895 1987
Terrapene carolina Three-toed Box Turtle 21 26 8 7 8 1893 2023
Terrapene ornata Ornate Box Turtle 1 1 1 1 1
Thamnophis proximus Orange-striped Ribbonsnake 3 3 1 1 1
Thamnophis sirtalis Common Gartersnake 5 10 6 7 8 1900 1964
Trachemys scripta Red-eared Slider 3 5 2 2 2 1905 1905
Tropidoclonion lineatum Lined Snake 10 17 16 12 12 1936 2023
Virginia valeriae Western Smooth Earthsnake 8 14 6 10 11 1900 1971