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CCDB → Angiosperms → Orchidaceae → Platanthera → Platanthera metabifolia F. Maek.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Platanthera metabifolia F. Maek. | Platanthera bifolia subsp. extremiorientalis (Nevski) Soó | 21 | Cave1956 | Ono & Hashimoto | ||
| ! | Platanthera metabifolia F. Maek. | Platanthera bifolia subsp. extremiorientalis (Nevski) Soó | 42 | IPCN65 | Tanaka 1965a | ||
| Platanthera metabifolia F. Maek. | Platanthera bifolia subsp. extremiorientalis (Nevski) Soó | 42 | IPCN online | Yokota, M. 1990. Karyomorphological studies on Habenaria, Orchidaceae, and allied genera from Japan. J. Sci. Hiroshima Univ., Ser. B, Div. 2, Bot. 23: 53–161. | |||
| Platanthera metabifolia F. Maek. | Platanthera bifolia subsp. extremiorientalis (Nevski) Soó | 42 | IPCN online | Yokota, M. 1987. Karyotypes and phylogeny in Orchidinae and allied subtribes. Pp. 70--79 in. In Proc. 12th World Orchid Conference 1987. 12th World Orchid Conference Organizing Committee, Tokyo. |