| Name | Gymnadenia ×densiflora (Wahlenberg) A. Dietrich |
| Authorship | (Wahlenberg) A. Dietrich |
| Rank | Species |
| Placed in | Gymnadenia |
| Citation | 1839 Allg. Gartenzeitung [Otto & Dietrich] 7: 170 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Gymnadenia ×densiflora (Wahlenberg) A. Dietrich |
| Identification made in | [no date] (1) |