| Name | Hygroamblystegium orthocladon (P. Beauvois) Loeske |
| Authorship | (P. Beauvois) Loeske |
| Rank | Species |
| Placed in | Hygroamblystegium |
| Citation | 1910 Stud. Morph. Syst. Laubm. 192 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Hygroamblystegium orthocladon (P. Beauvois) Loeske |
| Identification made in | [no date] (3) |