| Name | Hymenophyllum dilatatum (G. Forster) Swartz |
| Authorship | (G. Forster) Swartz |
| Rank | Species |
| Placed in | Hymenophyllum Smith |
| Citation | 1801 J. Bot. (Schrader) 1800(2) |
| Holdings | 9 Specimens held in the Harvard University Herbaria identified as Hymenophyllum dilatatum (G. Forster) Swartz |
| Identification made in | [no date] (8), 1938 (1) |