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CCDB → Gymnosperms → Ephedraceae → Ephedra → Ephedra fragilis Desf.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Ephedra fragilis Desf. | Ephedra fragilis Desf. | 14 | Flora Iberica | Chromosome atlas of flowering plants. Darlintong, C. D. & A. P. Wylie.*(1955). | |||
| Ephedra fragilis Desf. | Ephedra fragilis Desf. | 14 | IPCN online | Chouhdry, A. S. 1984. Karyomorphological and cytological studies in Ephedra. J. Sci. Hiroshima Univ., Ser. B,. 19: 57–109. | |||
| Ephedra fragilis subsp. fragilis | Ephedra fragilis Desf. | 28 | IPCN online | Colombo, P. & C. Marceno. 1990. Números cromosomáticos de plantas occidentales, 539--550. Anales Jard. Bot. Madrid 47: 167–174. | |||
| Ephedra fragilis subsp. fragilis | Ephedra fragilis Desf. | 28 | IPCN online | Leitch, I. J., L. Hanson, M. Winfield, J. Parker & M. D. Bennett. 2001. Nuclear DNA C-values complete familial representation in gymnosperms. Ann. Bot. (Oxford) 88: 843–849. | |||
| ! | Ephedra fragilis Desf. | Ephedra fragilis Desf. | 14 | Darlington, 1955 | Geitler 1929a | ||
| Ephedra fragilis Desf. | Ephedra fragilis Desf. | 14 | CromoCat 2015 | Chouhdry, A. S. (1984). Karyomorphological and cytological studies in Ephedra. J. Sci. Hiroshima Univ., Ser. B. Div. 2(Botany) 19: 57-109 | |||
| ! | Ephedra fragilis Desf. | Ephedra fragilis Desf. | 28 | CromoCat 2015 | Colombo, P. & Marcenó, C. (1990). Números cromosomáticos de plantas occidentales, 539-550. Anales Jard. Bot. Madrid 47: 167-174. |