I. Fleshy-bracted ephedras – gallery of images
Ephedra americana, Ephedra antisyphilitica (photos taken in Pecos Co., Texas), Ephedra breana, Ephedra compacta, Ephedra coryi, Ephedra ochreata, Ephedra pedunculata, Ephedra triandra, Ephedra tweediana
II. Dry-bracted ephedras (bract with winged margin, papery) – gallery of images
Ephedra boelckei (photos taken in Mendoza province, Argentina), Ephedra californica (photos taken in San Bernardino Co., near Cabezon, California), Ephedra funerea (photos taken in Death Valley National Park, California), Ephedra multiflora (photos taken in the Atacama Desert, Chile), Ephedra torreyana (photos taken near Cameron, Coconino Co., Arizona), Ephedra trifurca.
III. Dry-bracted ephedras (bract lacking wing, coriaceous) – gallery of images
Ephedra aspera, Ephedra cutleri (photos taken at Navajo National Monument, Arizona), Ephedra nevadensis, Ephedra viridis.