Ephedraceae Ephedra americana Humb. and Bonpl. ex Willd. - Peru W. Galiano 5773 image_info.php?img=images/collections/wgaliano_005773_01_p.jpg&id=114585#image114585 Ephedraceae Ephedra rupestris Benth. - Peru W. Galiano 5342 image_info.php?img=images/collections/wgaliano_005342_01_p.jpg&id=114920#image114920 - Peru G. Calatayud 1475 image_info.php?img=images/collections/gcalatayud_001475_01_p.jpg&id=113426#image113426 Ephedraceae - Peru T. D. Pennington 17465 image_info.php?img=images/collections/tdpennington_017465_01_p.jpg&id=91593#image91593 Ephedraceae - Peru J. Rios T. 2755 image_info.php?img=images/collections/jriost_002755_01_p.jpg&id=88735#image88735