| Name | Mastigobryum ambiguum Lindenberg |
| Authorship | Lindenberg |
| Rank | Species |
| Placed in | Mastigobryum |
| Citation | 1845 Syn. Hepat. 217 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Mastigobryum ambiguum Lindenberg |
| Identification made in | [no date] (1) |