| Name | Timmia megapolitana Hedwig |
| Authorship | Hedwig |
| Rank | Species |
| Placed in | Timmia |
| Contains | Timmia megapolitana var. bavarica (Hessler) Bridel Timmia megapolitana f. cucullata (Michaux) Sayre |
| Citation | 1801 Sp. Musc. Frond. 176 |
| Holdings | 71 Specimens held in the Harvard University Herbaria identified as Timmia megapolitana Hedwig |
| Identification made in | [no date] (71) |