| Name | Monoon elongatum (Merrill) B. Xue & R. M. K. Saunders |
| Authorship | (Merrill) B. Xue & R. M. K. Saunders |
| Rank | Species |
| Placed in | Monoon |
| Citation | 2012 Taxon 61(5): 1031 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Monoon elongatum (Merrill) B. Xue & R. M. K. Saunders |
| Identification made in | [no date] (1), 2025 (2) |