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Mercer County, Missouri


Collection Summary

Mercer County has a total of 32 valid, non-duplicated collections representing 18 species and 13 localities. There are a total of 14 collectors and 11 collection dates for the county. This results in a total of 11 expeditions for the county, a measure of unique date / collector(s) combinations. The county's earliest collection year is 1938 and its most recent collection year is 2018. The earliest and latest collection dates (independent of earliest and most recent collection years) are April 3 and September 13, respectively. If you have a new record to report for Mercer County, read the New Records section of the FAQ.

Collection Summary by Species

Collection summary for Mercer 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 1 3 1 1 1 1985 1985
Ambystoma tigrinum Eastern Tiger Salamander 1 6 1 1 1
Anaxyrus americanus American Toad 2 4 2 2 2 1938 1983
Chelydra serpentina Snapping Turtle 2 2 3 2 2 2010 2011
Chrysemys picta Western Painted Turtle 1 1 1 1 1 2011 2011
Coluber constrictor North American Racer 1 1 1 1 1 1950 1950
Crotalus horridus Timber Rattlesnake 1 1 2 1 1 2018 2018
Diadophis punctatus Ring-necked Snake 2 2 1 1 1 1983 1983
Lampropeltis calligaster Prairie Kingsnake 2 2 2 2 2 1983 2011
Lithobates blairi Plains Leopard Frog 1 1 1 1 1 1983 1983
Lithobates catesbeianus American Bullfrog 1 1 1 1 1 1983 1983
Lithobates pipiens Northern Leopard Frog 1 1 2 1 1 2009 2009
Lithobates sphenocephalus Southern Leopard Frog 1 1 1 1 1 2018 2018
Nerodia sipedon Common Watersnake 1 1 1 1 1 1983 1983
Pantherophis obsoletus Western Ratsnake 1 1 1 1 1 1983 1983
Pseudacris crucifer Spring Peeper 1 1 2 1 1 2009 2009
Thamnophis proximus Orange-striped Ribbonsnake 1 1 1 1 1 1983 1983
Thamnophis sirtalis Common Gartersnake 1 1 1 1 1 1983 1983