@article {20291, title = {Contributions toward a Flora of Panama. I. Collections in the Provinces of Chiriqu{\'\i}, Cocl{\'e}, and Panam{\'a}}, journal = {Annals of the Missouri Botanical Garden}, volume = {24}, year = {1937}, pages = {175-210}, chapter = {175}, url = {http://www.biodiversitylibrary.org/item/54436$\#$page/180/mode/1up}, author = {Woodson, Robert E. and Seibert, Russell J.} }