Asteraceae Stevia pennellii B.L.Rob. - Peru C. Vargas 1923 image_info.php?img=images/collections/cvargas_001923_01_p.jpg&id=105655#image105655 Asteraceae Stevia pennellii B.L.Rob. - Peru C. Vargas 23664 image_info.php?img=images/collections/cvargas_023664_01_p.jpg&id=69275#image69275 Asteraceae Stevia pennellii B.L.Rob. - Peru C. Vargas 23664 image_info.php?img=images/collections/cvargas_023664_02_p.jpg&id=105656#image105656