| Name | Aptychopsis pycnodonta Herzog |
| Authorship | Herzog |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Aptychopsis |
| Citation | 1934 Hedwigia 74: 113 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Aptychopsis pycnodonta Herzog |
| Identification made in | [no date] (1), 1990 (1) |