| Ephedraceae | |
Ephedra distachya fo. caspia
| Fomin | Acad. Sci. Ukraine, Mém. Cl. Sci. Phys. Math. 11: 54 | 1928 |
| Ephedraceae | |
Ephedra distachya var. caspia
| (Fomin) Grossh. | Fl. Kavkaza (ed. 2) 2(1): 71 | 1939 |
| Ephedraceae | |
Ephedra distachya fo. circinnata
| Stapf | Denkschr. Kaiserl. Akad. Wiss., Wien. Math.-Naturwiss. Kl. 56(2): 72 | 1889 |
| Ephedraceae | |
Ephedra distachya subsp. distachya
| | | |
| Ephedraceae | |
Ephedra distachya subsp. helvetica
| | | |
| Ephedraceae | |
Ephedra distachya subsp. helvetica
| (C.A. Mey.) Asch. & Graebn. | Syn. Mitteleur. Fl. 1: 260 | 1897 |
| Ephedraceae | ** |
Ephedra distachya subvar. linnaei
| (L.) Stapf | Denkschr. Kaiserl. Akad. Wiss., Wien. Math.-Naturwiss. Kl. 56(2): 67 | 1889 |
| Ephedraceae | |
Ephedra distachya var. media
| (C.A. Mey.) Stapf | Denkschr. Kaiserl. Akad. Wiss., Wien. Math.-Naturwiss. Kl. 56(2): 35 | 1889 |
| Ephedraceae | |
Ephedra distachya subsp. monostachya
| (L.) Riedl | Sci. Pharm. 35: 228 | 1967 |
| Ephedraceae | |
Ephedra distachya subvar. monostachya
| (L.) Stapf | Denkschr. Kaiserl. Akad. Wiss., Wien. Math.-Naturwiss. Kl. 56(2): 67 | 1889 |
| Ephedraceae | |
Ephedra distachya subvar. tristachya
| Stapf | Denkschr. Kaiserl. Akad. Wiss., Wien. Math.-Naturwiss. Kl. 56(2): 67 | 1889 |