Template:Woodson et al., 1939
- Woodson, R.E., Seibert, R.J. & Allen, P.H. 1939. Contributions Toward a Flora of Panama. III. Collections During the Summer of 1938, Chiefly by R. E. Woodson, Jr., P. H. Allen, and R. J. Seibert. Annals of the Missouri Botanical Garden 26(4): 265–324. DOI: 10.2307/2394296 BHL