Monographs Details: Paepalanthus williamsii Moldenke
Authority: Maguire, Bassett, et al. 1953. The Botany of the Guayana Highland. Mem. New York Bot. Gard. 8 (2): 87-160.
Description:Distribution and Ecology - Occasional herb in moist places around border of Savanna No. Ill, 125 m. alt., Cerro Yapacana, Rio Orinoco, Maguire, Cowan & Wurdack 30806; infrequent in wet places, border of Savanna No. Ill, 125 m. alt., Maguire, Cowan & Wurdack 30463. The species was hitherto known only from the Savanna de San Antonio, also in Amazonas (Williams 15051) and from a recent collection in the state of Amazonas, Brazil.

Distribution:Venezuela South America| Brazil South America|