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Ephedra saxatilis Ephedra gerardiana Ephedra rhytidosperma Ephedra pachyclada Ephedra somalensis Ephedra sarcocarpa Ephedra strobilacea Ephedra distachya Ephedra monosperma Ephedra lomatolepis Ephedra intermedia Ephedra sinica Ephedra minuta Ephedra likiangensis Ephedra rupestris Ephedra tweediana Ephedra chilensis Ephedra ochreata Ephedra frustillata Ephedra americana Ephedra nevadensis Ephedra torreyana Ephedra californica Ephedra trifurca Ephedra foliata Ephedra laristanica Ephedra fragilis Ephedra altissima Ephedra foeminea Ephedra aphylla Ephedra alata Ephedra milleri Gnetum ula Gnetum parvifolium Gnetum cuspidatum Gnetum gnemon Gnetum costatum Gnetum nodiflorum Gnetum urens Gnetum africanum Welwitschia mirabilis
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