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CCDB → Angiosperms → Poaceae → Sphenopholis → Sphenopholis longiflora (Vasey) Hitchc.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Sphenopholis longiflora (Vasey) Hitchc. | Sphenopholis intermedia (Rydb.) Rydb. | 14 | Fedorov, 1974 | Gould 1958 | |||
| Sphenopholis longiflora (Vasey) Hitchc. | Sphenopholis intermedia (Rydb.) Rydb. | 7 | Cave1958 | Gould 1958 |