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CCDB → Angiosperms → Orchidaceae → Cephalantheropsis → Calanthe gracilis Lindl.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Calanthe gracilis Lindl. | Cephalantheropsis obcordata (Lindl.) Ormerod | 40 | IPCN online | Ishida, G. 1990. Karyomorphological studies in Calanthe, Orchidaceae. Bull. Hiroshima Bot. Gard. 12: 1–69. | |||
| Calanthe gracilis Lindl. | Cephalantheropsis obcordata (Lindl.) Ormerod | 20 | IPCN67-71 | MEHRA, P.N., & S.P. VIJ. 1970. In IOPB chromosome number reports XXV. Taxon 19: 102-113. | |||
| Calanthe gracilis Lindl. | Cephalantheropsis obcordata (Lindl.) Ormerod | 40 | Kumar, 1987 | Mehra, P.N. & Vij, S.P. 1970; Vij, S.P. & Mehra, P.N. 1976 |