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CCDB → Gymnosperms → Ephedraceae → Ephedra → Ephedra fragilis subsp. fragilis
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| 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. |