| Name | Pterostylis laxa Blackmore |
| Authorship | Blackmore |
| Rank | Species |
| Placed in | Pterostylis |
| Citation | 1968 Orchadian 3: 2. |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Pterostylis laxa Blackmore |
| Identification made in | [no date] (1) |