| Name | Hypnum polypterum var. robustum E. B. Bartram |
| Authorship | E. B. Bartram |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Hypnum polypterum (Mitten) Brotherus |
| Citation | 1928 Contr. U.S. Natl. Herb. 26(3): 110 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Hypnum polypterum var. robustum E. B. Bartram |
| Identification made in | [no date] (2), 2013 (1) |
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