Poaceae Guadua chacoensis Londoño and P.M.Peterson - Peru R. Foster 12090 image_info.php?img=images/collections/rfoster_012090_01_p.jpg&id=109308#image109308 Poaceae Guadua chacoensis Londoño and P.M.Peterson - Peru A. Tupayachi 1211 image_info.php?img=images/collections/atupayachi_001211_01_p.jpg&id=109309#image109309 Poaceae Guadua chacoensis Londoño and P.M.Peterson - Peru A. Tupayachi 1211 image_info.php?img=images/collections/atupayachi_001211_02_p.jpg&id=109310#image109310