Pteridophyta Selaginella geniculata (C. Presl) Spring - Peru J. G. Graham 4644 image_info.php?img=images/collections/jggraham_004644_01_p.jpg&id=83098#image83098 Pteridophyta Selaginella geniculata (C. Presl) Spring - Peru J. G. Graham 4644 image_info.php?img=images/collections/jggraham_004644_02_p.jpg&id=92609#image92609