@article {20253, title = {Studies of Central American plants - V}, journal = {Field Museum of Natural History, Botanical series}, volume = {23}, year = {1944}, month = {03/1944}, pages = {113-150}, chapter = {113}, url = {http://www.biodiversitylibrary.org/item/19682$\#$page/11/mode/1up}, author = {Standley, Paul C. and Steyermark, Julian A.} }