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CCDB → Angiosperms → Boraginaceae → Echium → Echium rubrum Forssk.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Echium setosum Vahl | Echium rubrum Forssk. | 8 | IPCN73-74 | EL-SADEK, L.M., & F.M. ASHOUR. 1972. Chromosome counts of some I Egyptian plants. Bot. Notiser 125: 536. |