| Name | Pterygoneurum arcticum Steere |
| Authorship | Steere |
| Rank | Species |
| Placed in | Pterygoneurum |
| Citation | 1960 Bryologist 62: 217 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Pterygoneurum arcticum Steere |
| Identification made in | [no date] (1) |
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