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Linn County, Missouri


Species List

Salamanders (Caudata)

Frogs (Anura)

Lizards (Lacertilia)

Snakes (Serpentes)

Turtles (Testudines)

Collection Summary

Linn County has a total of 96 valid, non-duplicated collections representing 33 species and 31 localities. There are a total of 24 collectors and 39 collection dates for the county. This results in a total of 42 expeditions for the county, a measure of unique date / collector(s) combinations. The county's earliest collection year is 1933 and its most recent collection year is 2015. The earliest and latest collection dates (independent of earliest and most recent collection years) are March 11 and November 28, respectively. If you have a new record to report for Linn County, read the New Records section of the FAQ.

Collection Summary by Species

Collection summary for Linn 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 2 12 2 3 3 1933 1983
Ambystoma texanum Small-mouthed Salamander 2 3 4 2 2 1980 1984
Ambystoma tigrinum Eastern Tiger Salamander 1 1 1 1 1 2006 2006
Anaxyrus americanus American Toad 3 3 3 3 3 1963 1982
Carphophis vermis Western Wormsnake 1 1 1 1 1 2007 2007
Chelydra serpentina Snapping Turtle 2 2 2 2 2 1982 2015
Chrysemys picta Western Painted Turtle 2 2 2 2 2 1985 2012
Coluber constrictor North American Racer 4 6 6 4 4 1941 2005
Diadophis punctatus Ring-necked Snake 2 4 4 2 2 1984 1984
Hyla versicolor Gray Treefrog 1 1 1 1 1 2005 2005
Lampropeltis calligaster Prairie Kingsnake 2 2 2 2 2 2003 2003
Lampropeltis holbrooki Speckled Kingsnake 1 1 2 1 1 2004 2004
Lithobates blairi Plains Leopard Frog 2 3 4 3 3 1964 1984
Lithobates catesbeianus American Bullfrog 2 2 2 2 2 1980 1980
Lithobates clamitans Green Frog 1 1 3 1 1 2003 2003
Lithobates sphenocephalus Southern Leopard Frog 3 6 4 3 3 1933 1984
Nerodia erythrogaster Plain-bellied Watersnake 1 2 1 1 1
Nerodia rhombifer Diamond-backed Watersnake 1 1 1 1 1 1960 1960
Nerodia sipedon Common Watersnake 2 2 2 2 2 2005 2007
Ophisaurus attenuatus Western Slender Glass Lizard 1 1 1 1 1 1996 1996
Pantherophis obsoletus Western Ratsnake 3 4 3 4 4 1980 2005
Plestiodon fasciatus Common Five-lined Skink 1 1 3 1 1 2003 2003
Pseudacris crucifer Spring Peeper 1 1 2 1 1 2004 2004
Pseudacris maculata Boreal Chorus Frog 1 1 3 1 1 2003 2003
Regina grahamii Graham's Crawfish Snake 1 2 1 2 2 1980 1984
Scincella lateralis Little Brown Skink 1 1 3 1 1 2004 2004
Sistrurus tergeminus Prairie Massasauga 1 4 2 1 2
Storeria dekayi DeKay's Brownsnake 3 4 3 3 3 1984 2012
Terrapene ornata Ornate Box Turtle 3 3 2 3 3 1986 2013
Thamnophis proximus Orange-striped Ribbonsnake 5 12 4 4 5 1933 2011
Thamnophis radix Plains Gartersnake 2 3 4 2 2 1933 1984
Thamnophis sirtalis Common Gartersnake 2 3 3 2 3 1984 1984
Trachemys scripta Red-eared Slider 1 1 1 1 1 2005 2005

Potential Species Records

Potential species for Linn County. Species are listed in descending order of their likelihood of occurrence within the county. Click on a species or common name to view more information about that species. Click on column headings to sort by that column.
Likelihood Species Common Name Rationale Ecoregion / Watershed
2 Agkistrodon contortrix Copperhead Same Level IV ecoregion, within 5 miles Loess Flats and Till Plains
2 Crotalus horridus Timber Rattlesnake Same Level IV ecoregion, within 5 miles Loess Flats and Till Plains
2 Hyla chrysoscelis Cope's Gray Treefrog Same Level IV ecoregion, within 5 miles Loess Flats and Till Plains
4 Apalone spinifera Eastern Spiny Softshell Same watershed, within 10 miles Lower Grand
4 Heterodon platirhinos Eastern Hog-nosed Snake Same Level IV ecoregion, within 10 miles Loess Flats and Till Plains
4 Tropidoclonion lineatum Lined Snake Same Level IV ecoregion, within 10 miles Loess Flats and Till Plains
5 Lithobates areolatus Northern Crawfish Frog Same Level III ecoregion, within 10 miles Central Irregular Plains
6 Lampropeltis triangulum Eastern Milksnake Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Lithobates sylvaticus Wood Frog 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 Storeria occipitomaculata Northern Red-bellied Snake 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 Virginia valeriae Western Smooth Earthsnake Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
8 Opheodrys aestivus Northern Rough Greensnake Same Level IV ecoregion, within 30 miles 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.