| Name | Sphenopholis pallens subsp. longiflora (Vasey) Scribner |
| Authorship | (Vasey) Scribner |
| Rank | Subspecies |
| Placed in | Sphenopholis ×pallens (Biehler) Scribner |
| Citation | 1906 Rhodora 8: 145 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Sphenopholis pallens subsp. longiflora (Vasey) Scribner |
| Identification made in | [no date] (1) |
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