the root (no rank)
Eukaryota (domain)
Viridiplantae (kingdom)
Embryophyta (phylum)
Gnetophyta (subphylum)
Ephedrales (order)
Ephedra (genus)
[hide inferior taxa]
Ephedra equisetina (species)
Ephedra gerardiana (species)
Ephedra intermedia (species)
Ephedra sinica (species)
Ephedra sp. (species)