US Counties in which the clubshell, Entire Range; Except where listed as Experimental Populations is known to or is believed to occur:

State County
West Virginia Braxton
West Virginia Clay
West Virginia Doddridge
West Virginia Kanawha
West Virginia Lewis
West Virginia Pleasants
West Virginia Ritchie
Tennessee Hardin
Pennsylvania Armstrong
Pennsylvania Butler
Pennsylvania Clarion
Pennsylvania Crawford
Pennsylvania Erie
Pennsylvania Forest
Pennsylvania Mercer
Pennsylvania Venango
Pennsylvania Warren
Ohio Ashtabula
Ohio Coshocton
Ohio Defiance
Ohio Franklin
Ohio Greene
Ohio Hancock
Ohio Hardin
Ohio Madison
Ohio Pickaway
Ohio Pike
Ohio Ross
Ohio Scioto
Ohio Trumbull
Ohio Union
Ohio Williams
New York Cattaraugus
New York Chautauqua
Michigan Hillsdale
Kentucky Edmonson
Kentucky Green
Kentucky Hart
Kentucky Meade
Kentucky Taylor
Indiana Carroll
Indiana De Kalb
Indiana Fulton
Indiana Kosciusko
Indiana Marshall
Indiana Pulaski
Indiana Starke
Indiana Tippecanoe
Indiana White
Illinois Vermilion

This report contains Counties in which this species is known to or is believed to occur. If you are looking for the Section 7 range (for Section 7 Consultations), please visit the IPaC application.