| Name | Plagiobryum demissum (Hooker) Lindberg | 
| Authorship | (Hooker) Lindberg | 
| Rank | Species | 
| Placed in | Plagiobryum | 
| Citation | 1862 [1863] Kongl. Svenska Vetensk. Acad. Handl. 19(10): 606 | 
| Holdings | 14 Specimens held in the Harvard University Herbaria identified as Plagiobryum demissum (Hooker) Lindberg | 
| Identification made in | [no date] (2), 1956 (1), 2004 (2), 2007 (4), 2015 (5) |