US Counties within Iowa in which the Spectaclecase (mussel), is known to or is believed to occur:

State County
Iowa Clayton
Iowa Des Moines
Iowa Dubuque
Iowa Lee
Iowa Louisa
Iowa Muscatine
Iowa Scott

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.