| Name | Pterostylis decurva R. S. Rogers |
| Authorship | R. S. Rogers |
| Rank | Species |
| Placed in | Pterostylis |
| Citation | 1923 Trans. & Proc. Roy. Soc. South Australia 47: 339. |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Pterostylis decurva R. S. Rogers |
| Identification made in | [no date] (1), 1999 (3) |