| Name | Hymenophyllum australe Willdenow |
| Authorship | Willdenow |
| Rank | Species |
| Placed in | Hymenophyllum Smith |
| Citation | 1810 Sp. Pl., ed. 4 [Willd.]. 5: 527 |
| Holdings | 22 Specimens held in the Harvard University Herbaria identified as Hymenophyllum australe Willdenow |
| Identification made in | [no date] (13), 1927 (1), 1931 (6), 1936 (2) |