Verbatim text: Park, C. W. 1986. Nomenclatural typifications in Polygonum section Echinocaulon (Polygonaceae). Brittonia 38: 394–406.
Author: Park, C.W.
Year: 1986
Title: Nomenclatural typifications in Polygonum section Echinocaulon (Polygonaceae)
Journal: Brittonia
Volume: 38
Pages: 394–406