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CCDB → Angiosperms → Orchidaceae → Cymbidium → Cymbidium dayanum Rchb.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Cymbidium dayanum var. austrojaponicum Tuyama | Cymbidium dayanum Rchb. | 40 | IPCN65 | Tanaka 1965a | ||
| ! | Cymbidium dayanum Rchb. | Cymbidium dayanum Rchb. | 40 | IPCN online | Li, X. l. & R. y. Chen. 1989. Studies on chromosomes of Orchidaceae in China I. Chromosome numbers of some orchids in China. Pp. 301--307 in D. Hong (editor), Plant Chromosome Research 1987. | ||
| ! | Cymbidium dayanum Rchb. | Cymbidium dayanum Rchb. | 40 | IPCN online | Aoyama, M. 1989. Karyomorphological studies in Cymbidium and its allied genera, Orchidaceae. Bull. Hiroshima Bot. Gard. 11: 1–121. | ||
| ! | Cymbidium dayanum Rchb. | Cymbidium dayanum Rchb. | 40 | IPCN online | Li, X., R. Chen & R. Tanaka. 1992. Reports on chromosome numbers of some orchids cultivated in China. Kromosomo 67–68: 2301–2311. | ||
| ! | Cymbidium dayanum Rchb. | Cymbidium dayanum Rchb. | 40 | eFlora | |||
| Cymbidium simonsianum King & Pantl. | Cymbidium dayanum Rchb. | 40 | Cave1957 | Wimber |