| Name | Hydrogonium taylorii W. A. Weber | 
| Authorship | W. A. Weber | 
| Rank | Species | 
| Placed in | Hydrogonium | 
| Remarks | Replaced: *Barbula taylorii E.B. Bartram & Steere | 
| Citation | 1975 Lindbergia 3: 81 | 
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Hydrogonium taylorii W. A. Weber | 
| Identification made in | 2012 (1) |