| Name | Gymnoconia interstitialis (Schlechtendal) Lagerheim |
| Authorship | (Schlechtendal) Lagerheim |
| Rank | Species |
| Placed in | Gymnoconia |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Gymnoconia interstitialis (Schlechtendal) Lagerheim |
| Identification made in | [no date] (4), 1924 (1) |