| plethodon fourchensis | | USA: Arkansas: Polk County: Fourche Mountains, Buck Knob | | 119709971 |
| plethodon fourchensis | | USA: Arkansas: Polk County: Fourche Mountains, Buck Knob | | 125380662 |
| plethodon fourchensis | | USA: Arkansas: Polk County: Ouachita National Forest, Buck Knob tower, north slope below tower and road | | 125380832 |
| plethodon fourchensis | | USA: Arkansas: Polk County: Ouachita National Forest, Buck Knob tower, north slope below tower and road | | 125380994 |
| plethodon fourchensis | | USA: Arkansas: Polk County: Fourche Mountains, Foran Gap | | 125380996 |
| plethodon fourchensis | | USA: Arkansas | | 68144169 |
| plethodon fourchensis | | USA: Scott Co., AR | | 60499374 |
| plethodon fourchensis | | USA: Scott Co., AR | | 60499372 |
| plethodon fourchensis | | USA: Arkansas, Polk County, Irons Fork Mt. | | 1028662093 |
| plethodon fourchensis | | USA: Arkansas: Polk County: Fourche Mountains, Foran Gap | | 125380660 |
| plethodon fourchensis | | USA: Arkansas: Polk County: Ouachita National Forest, Buck Knob tower, north slope below tower and road | | 125380658 |