Verbatim text: Timson, J. 1963. The taxonomy of Polygonum lapathifolium L., P. nodosum Pers., and P. tomentosum Schrank. Watsonia 5: 386–395.
Author: Timson, J.
Year: 1963
Title: The taxonomy of Polygonum lapathifolium L., P. nodosum Pers., and P. tomentosum Schrank
Journal: Watsonia
Volume: 5
Pages: 386–395