| Geocarpon carolinianum (Walter) E.E.Schill. | |
| Geocarpon cumberlandense (Wofford & R.Kral) E.E.Schill. | |
| Geocarpon groenlandicum (Retz.) E.E.Schill. |
| Geocarpon carolinianum (Walter) E.E.Schill. | |
| Geocarpon cumberlandense (Wofford & R.Kral) E.E.Schill. | |
| Geocarpon groenlandicum (Retz.) E.E.Schill. |