Britton 1902 - An Enumeration of the Plants Collected by Dr. H. H. Rusby in South America, 1885-1886. XXIII. (Continued) (1893) An Enumeration of the Plants Collected by Dr. H. H. Rusby in South America, 1885-1886. XXIII. (Continued). Bulletin of The Torrey Botanical Club 20: 137-140. doi: 10.2307/2476893.
No known synonyms