| Name | Physcomitrium eurystomum f. acuminatum (Bruch & Schimper) Loeske |
| Authorship | (Bruch & Schimper) Loeske |
| Rank | Forma |
| Placed in | Physcomitrium eurystomum Sendtner |
| Citation | 1929 Repert. Spec. Nov. Regni Veg. Sonderbeih. B 2: 32 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Physcomitrium eurystomum f. acuminatum (Bruch & Schimper) Loeske |
| Identification made in | [no date] (3) |