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

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

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.