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CCDB → Angiosperms → Boraginaceae → Echium → Echium giganteum L.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Echium giganteum L. | Echium giganteum L. | 16 | IPCN67-71 | BORGEN L. 1970. Chromosome numbers of Macaronesian flowering plants. Nytt Mag. Bot. 17: 145-161. | ||
| ! | Echium giganteum L. | Echium giganteum L. | 16 | IPCN73-74 | BRAMWELL, D., C.J. HUMPHRIES, B.G. MURRAY, I S.J. OWENS. 1971. Chromosome numbers in plants from the Canary Islands. Bot. Notiser 12/ 376-382. i | ||
| ! | Echium giganteum L. | Echium giganteum L. | 16 | Fedorov, 1974 | Michaelis G. 1964 |