| Name | Juncus balticus var. vallicola Rydberg |
| Authorship | Rydberg |
| Rank | Variety |
| Placed in | Juncus balticus Willdenow |
| Citation | 1904 Bull. Torrey Bot. Club 31: 399 |
| Holdings | 34 Specimens held in the Harvard University Herbaria identified as Juncus balticus var. vallicola Rydberg |
| Identification made in | [no date] (34) |
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