Poaceae Aristida oligantha Michx. - United States of America D. Demaree 56912 image_info.php?img=images/collections/ddemaree_056912_01_p.jpg&id=108225#image108225 Poaceae Aristida oligantha Michx. - United States of America H. E. Ahles 78607 image_info.php?img=images/collections/heahles_078607_01_p.jpg&id=108226#image108226