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CCDB → Angiosperms → Cistaceae → Cistus → Cistus × florentinus Lam.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Cistus × florentinus | Cistus × florentinus Lam. | 18 | Flora Iberica | Chromosome atlas of flowering plants. Darlintong, C. D. & A. P. Wylie.*(1955). | ||
| ! | Cistus × florentinus L. (X) | Cistus × florentinus Lam. | 9 | IPCN73-74 | RATTER, J.A., & c. MILNE. 1973. Some Angiosperm chromosome numbers. Notes Roy. Bot. Gard. Edinburgh 32: 429-438. | ||
| ! | Cistus × florentinus | Cistus × florentinus Lam. | 18 | Darlington, 1955 | Snoad unp. |