Ephedra

• 

  534486

  Ephedra distachya
• 

  534485

  Ephedra distachya
• 

  473177

  Ephedra major
• 

  473176

  Ephedra major
• 

  473175

  Ephedra major
• 

  508278

  Mormon tea (Ephedra viridis)
• 

  508277

  Mormon tea (Ephedra viridis), Arches National Park, Utah, USA