| Name | Microtatorchis longissima Mansfeld |
| Authorship | Mansfeld |
| Rank | Species |
| Placed in | Microtatorchis |
| Citation | 15 May 1929 Bot. Jahrb. Syst. 62(5): 465 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Microtatorchis longissima Mansfeld |
| Identification made in | [no date] (1), 1979 (1) |