| Name | Sphagnum robustum var. patulum J. Röll |
| Authorship | J. Röll |
| Rank | Variety |
| Placed in | Sphagnum robustum (Warnstorf) J. Röll |
| Citation | 1915 Hedwigia 56: 61 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Sphagnum robustum var. patulum J. Röll |
| Identification made in | [no date] (1) |
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