| Name | Sphagnum girgensohnii var. koryphaeum Russow |
| Authorship | Russow |
| Rank | Variety |
| Placed in | Sphagnum girgensohnii Russow |
| Citation | 1888 Samml. Eur. Torfm. 1: n. 26-37 |
| Holdings | 17 Specimens held in the Harvard University Herbaria identified as Sphagnum girgensohnii var. koryphaeum Russow |
| Identification made in | [no date] (17) |
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