| Name | Pterygoneurum ovatum f. incanum (Nees & Hornschuch) C. E. O. Jensen |
| Authorship | (Nees & Hornschuch) C. E. O. Jensen |
| Rank | Forma |
| Placed in | Pterygoneurum ovatum (Hedwig) Dixon |
| Citation | 1939 Skand. Bladmossfl. 203 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Pterygoneurum ovatum f. incanum (Nees & Hornschuch) C. E. O. Jensen |
| Identification made in | [no date] (1) |