A contribution to the Guianan flora : Dalechampia, Haematostemon, Omphalea, Pera, Plukenetia, and Tragia (Euphorbiaceae) with notes on subfamily Acalyphoideae - Gillespie, Lynn J.; Armbruster, W. Scott (Washington, DC : Smithsonian Institution Press, 1997)
Includes bibliographical references (p. 45-46) and indexes
Keywords: Euphorbiaceae -- Guiana -- Classification