| Name | Plagiomnium rhynchophorum (Harvey) T. J. Koponen | 
| Authorship | (Harvey) T. J. Koponen | 
| Rank | Species | 
| Placed in | Plagiomnium | 
| Contains | Plagiomnium rhynchophorum var. carolinianum (L. E. Anderson) T. J. Koponen | 
| Citation | 1971 Hikobia 6: 57. | 
| Holdings | 9 Specimens held in the Harvard University Herbaria identified as Plagiomnium rhynchophorum (Harvey) T. J. Koponen | 
| Identification made in | [no date] (9) |