Asteraceae Tridax boliviensis (Wedd.) R.E.Fr. - Bolivia G. Beck 7984 image_info.php?img=images/collections/gbeck_007984_01_p.jpg&id=106235#image106235 Asteraceae Tridax procumbens - Bolivia G. Beck 14242 image_info.php?img=images/collections/gbeck_014242_01_p.jpg&id=106236#image106236