| Name | Pterygium Nylander |
| Authorship | Nylander |
| Rank | Genus |
| Placed in | Placynthiaceae |
| Contains | Pterygium petersii Nylander Pterygium sp. |
| Remarks | Type Species: Pterygium centrifugum Nylander, nom. illeg. (Parmelia filiformis Garovaglio, Pterygium filiforme (Garovaglio) A. L. Smith) |
| Citation | 1854 Bull. Soc. Bot. France 1: 328 |
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