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CCDB → Angiosperms → Plantaginaceae → Plantago → Plantago firma Kunze ex Walp.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Plantago firma Kunze ex Walp. | Plantago firma Kunze ex Walp. | 24 | IPCN66 | Rahn 1966 | |||
| Plantago firma Kunze ex Walp. | Plantago firma Kunze ex Walp. | 24 | IPCN73-74 | RAHN, K. 1974. Plantago section Virginica. Dansk. Bot. Ark. 30, 2: 1-180. |