| Name | Plagiomnium rhynchophorum var. carolinianum (L. E. Anderson) T. J. Koponen |
| Authorship | (L. E. Anderson) T. J. Koponen |
| Rank | Variety |
| Placed in | Plagiomnium rhynchophorum (Harvey) T. J. Koponen |
| Citation | 1981 Ann. Bot. Fenn. 18: 110 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Plagiomnium rhynchophorum var. carolinianum (L. E. Anderson) T. J. Koponen |
| Identification made in | [no date] (1) |