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CCDB → Angiosperms → Boraginaceae → Echium → Echium brevirame Sprague & Hutch.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Echium brevirame Sprague & Hutch. | Echium brevirame Sprague & Hutch. | 16, 32 | IPCN online | Febles, R. 1989. Estudios en la flora Macaronesica: algunos números de cromosomas VI. Bot. Macaronés. IV, Cien. 17: 57–76. | |||
| ! | Echium brevirame Sprague & Hutch. | Echium brevirame Sprague & Hutch. | 16 | IPCN online | Suda, J., T. Kyncl & V. Jarolímová. 2005. Genome size variation in Macaronesian angiosperms: forty percent of the Canarian endemic flora completed. Pl. Syst. Evol. 252: 215–238. |