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CCDB → Angiosperms → Boraginaceae → Echium → Echium callithyrsum Webb ex Bolle
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Echium callithyrsum Webb ex Bolle | Echium callithyrsum Webb ex Bolle | 16, 32 | IPCN online | Febles, R. 1989. Estudios en la flora Macaronesica: algunos números de cromosomas VI. Bot. Macaronés. IV, Cien. 17: 57–76. |