| Name | Syngramma grandis (Copeland) C. Christensen |
| Authorship | (Copeland) C. Christensen |
| Rank | Species |
| Placed in | Syngramma J. Smith |
| Citation | 1913 Index Filic., Suppl. 1906-1912 71 |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Syngramma grandis (Copeland) C. Christensen |
| Identification made in | [no date] (7) |