US Counties within Pennsylvania in which the Northern riffleshell, Entire is known to or is believed to occur:

State County
Pennsylvania Warren
Pennsylvania Venango
Pennsylvania Mercer
Pennsylvania Forest
Pennsylvania Erie
Pennsylvania Crawford
Pennsylvania Clarion
Pennsylvania Butler
Pennsylvania Armstrong

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.