Template:Aymard & Howard, 2004
- Aymard C., G.A. & Howard, R.A. (†). 2004. Polygonaceae. Pp. 347–370 in Steyermark, J.A. (†), Berry, P.E., Yatskievych, K. & Holst, B.K. (eds.), Flora of the Venezuelan Guayana, Vol. 8, Poaceae–Rubiaceae. Missouri Botanical Garden Press, St. Louis. ISBN 1-930723-36-9.