X = Recent collection (1987 or after) Checklist of Polk County Missouri Amphibians and Reptiles for 2020 / = Historical collection (before 1987) Western Lesser Siren Mole Salamander Three-toed Amphiuma Four-toed Salamander Siren intermedia Ambystoma talpoideum Amphiuma tridactylum Hemidactylium scutatum Hellbender Small-mouthed Salamander Long-tailed Salamander Western Slimy Salamander Cryptobranchus alleganiensis X Ambystoma texanum X Eurycea longicauda Plethodon albagula Ringed Salamander Eastern Tiger Salamander Cave Salamander Ozark Zigzag Salamander Ambystoma annulatum Ambystoma tigrinum Eurycea lucifuga Plethodon angusticlavius Spotted Salamander Central Newt Grotto Salamander Southern Red-backed Salamander X Ambystoma maculatum X Notophthalmus viridescens Eurycea spelaea Plethodon serratus Marbled Salamander Mudpuppy Oklahoma Salamander Ambystoma opacum Necturus maculosus Eurycea tynerensis Eastern Spadefoot Cope's Gray Treefrog Boreal Chorus Frog Southern Leopard Frog Scaphiopus holbrookii Hyla chrysoscelis X Pseudacris maculata X Lithobates sphenocephalus Plains Spadefoot Green Treefrog Northern Crawfish Frog Wood Frog Spea bombifrons Hyla cinerea Lithobates areolatus Lithobates sylvaticus American Toad Gray Treefrog Plains Leopard Frog Eastern Narrow-mouthed Toad X Anaxyrus americanus Hyla versicolor Lithobates blairi X Gastrophryne carolinensis Great Plains Toad Spring Peeper American Bullfrog Western Narrow-mouthed Toad Anaxyrus cognatus X Pseudacris crucifer X Lithobates catesbeianus Gastrophryne olivacea Fowler's Toad Upland Chorus Frog Green Frog X Anaxyrus fowleri Pseudacris feriarum Lithobates clamitans Woodhouse's Toad Cajun Chorus Frog Pickerel Frog Anaxyrus woodhousii Pseudacris fouquettei X Lithobates palustris Blanchard's Cricket Frog Illinois Chorus Frog Northern Leopard Frog X Acris blanchardi Pseudacris illinoensis Lithobates pipiens Eastern Collared Lizard Six-lined Racerunner Broad-headed Skink Little Brown Skink Crotaphytus collaris / Aspidoscelis sexlineata Plestiodon laticeps X Scincella lateralis Texas Horned Lizard Southern Coal Skink Great Plains Skink Western Slender Glass Lizard Phrynosoma cornutum Plestiodon anthracinus Plestiodon obsoletus X Ophisaurus attenuatus Prairie Lizard Common Five-lined Skink Prairie Skink X Sceloporus consobrinus X Plestiodon fasciatus Plestiodon septentrionalis Northern Scarletsnake Western Foxsnake Kirtland's Snake Plains Gartersnake Cemophora coccinea Pantherophis ramspotti Clonophis kirtlandii Thamnophis radix North American Racer Eastern Foxsnake Rough Earthsnake Common Gartersnake X Coluber constrictor Pantherophis vulpinus X Haldea striatula X Thamnophis sirtalis Eastern Coachwhip Bullsnake Mississippi Green Watersnake Lined Snake X Coluber flagellum X Pituophis catenifer Nerodia cyclopion X Tropidoclonion lineatum Prairie Kingsnake Variable Groundsnake Plain-bellied Watersnake Western Smooth Earthsnake X Lampropeltis calligaster Sonora semiannulata Nerodia erythrogaster Virginia valeriae Speckled Kingsnake Flat-headed Snake Broad-banded Watersnake Copperhead X Lampropeltis holbrooki Tantilla gracilis Nerodia fasciata X Agkistrodon contortrix Eastern Black Kingsnake Western Wormsnake Diamond-backed Watersnake Western Cottonmouth Lampropeltis nigra X Carphophis vermis Nerodia rhombifer Agkistrodon piscivorus Eastern Milksnake Ring-necked Snake Common Watersnake Timber Rattlesnake X Lampropeltis triangulum X Diadophis punctatus X Nerodia sipedon Crotalus horridus Northern Rough Greensnake Western Mudsnake Graham's Crawfish Snake Eastern Massasauga X Opheodrys aestivus Farancia abacura Regina grahamii Sistrurus catenatus Smooth Greensnake Dusty Hog-nosed Snake DeKay's Brownsnake Western Pygmy Rattlesnake Opheodrys vernalis Heterodon gloydi X Storeria dekayi Sistrurus miliarius Great Plains Ratsnake Plains Hog-nosed Snake Northern Red-bellied Snake Prairie Massasauga Pantherophis emoryi Heterodon nasicus Storeria occipitomaculata Sistrurus tergeminus Western Ratsnake Eastern Hog-nosed Snake Orange-striped Ribbonsnake X Pantherophis obsoletus X Heterodon platirhinos X Thamnophis proximus Snapping Turtle Southern Painted Turtle Ouachita Map Turtle Red-eared Slider X Chelydra serpentina Chrysemys dorsalis Graptemys ouachitensis X Trachemys scripta Alligator Snapping Turtle Western Painted Turtle False Map Turtle Midland Smooth Softshell Macrochelys temminckii X Chrysemys picta Graptemys pseudogeographica Apalone mutica Yellow Mud Turtle Western Chicken Turtle River Cooter Eastern Spiny Softshell Kinosternon flavescens Deirochelys reticularia Pseudemys concinna Apalone spinifera Mississippi Mud Turtle Blanding's Turtle Three-toed Box Turtle Kinosternon subrubrum Emydoidea blandingii X Terrapene carolina Eastern Musk Turtle Northern Map Turtle Ornate Box Turtle / Sternotherus odoratus X Graptemys geographica X Terrapene ornata Daniel, R.E., B.S. Edmond, and J.T. Briggler. 2021. Checklist of Polk County Missouri Amphibians and Reptiles for 2020.