FIGURE 2 in Towards rectifying limitations on species delineation in dusky salamanders (Desmognathus: Plethodontidae): An ecoregion-drainage sampling grid reveals additional cryptic clades

FIGURE 2. Color-coded profile of the Level IV Ecoregions present in the Pee Dee and Santee River drainages; the number of dusky salamander species present in each level IV ecoregion X drainage sample unit (based on current distribution maps) is shown.