| Name | Platanthera sigeyosii Masamune |
| Authorship | Masamune |
| Rank | Species |
| Placed in | Platanthera Richard |
| Remarks | Synonym of Platanthera minor (Miq.) Rchb.f. |
| Citation | 1932 Bot. Mag. (Tokyo) 46: 773 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Platanthera sigeyosii Masamune |
| Identification made in | [no date] (1) |