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CCDB → Angiosperms → Plantaginaceae → Plantago → Plantago japonica Franch. & Sav.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Plantago japonica Franch. & Sav. | Plantago japonica Franch. & Sav. | 12 | IPCN online | Matsuo, K. & J. Noguchi. 1989. Karyotype analysis of several Plantago species in Japan, with special reference to the taxonomic status of Plantago japonica. J. Phytogeogr. Taxon. 37: 27–35. | |||
| Plantago japonica Franch. & Sav. | Plantago japonica Franch. & Sav. | 12 | IPCN online | Probatova, N. S. & A. P. Sokolovskaya. 1995. Chromosome numbers in some species of vascular plants from the Russian Far East. Bot. Žhurn. (Moscow & Leningrad) 80(3): 85–88. | |||
| ! | Plantago japonica Franch. & Sav. | Plantago japonica Franch. & Sav. | 36 | Darlington, 1955 | Ono 1953 |