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CCDB → Angiosperms → Plantaginaceae → Plantago → Plantago elongata Pursh
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Plantago elongata Pursh | Plantago elongata Pursh | 12 | IPCN online | Love, A. & D. Love. 1982. In: A Löve (ed.), IOPB chromosome number reports LXXV. Taxon 31(2): 344–360. | |||
| ! | Plantago elongata subsp. elongata | Plantago elongata Pursh | 12 | IPCN66 | Bassett 1966 |