| Name | Pyrenastrum Eschweiler |
| Authorship | Eschweiler |
| Rank | Genus |
| Placed in | Pyrenulaceae |
| Contains | Pyrenastrum cubanum Müller Arg. Pyrenastrum fuscum Montagne Pyrenastrum gemmeum Tuckerman Pyrenastrum lageniferum (Fée) Müller Arg. Pyrenastrum pupula Tuckerman Pyrenastrum ravenelii Tuckerman Pyrenastrum sp. |
| Remarks | Pyrenastrum lageniferum (Fée) Müller Arg. 1888 (Pyrenodium lageniferum Fée 1837) |
| Citation | 1824 Syst. Lich. 16, 25 |