Reference:Mertens1965a
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Verbatim text: Mertens, T. R. and P. H. Raven. 1965. Taxonomy of Polygonum, section Polygonum (Avicularia) in North America. Madroño 18: 85–92.
Author: Mertens, T.R., Raven, P.H.
Year: 1965
Title: Taxonomy of Polygonum, section Polygonum (Avicularia) in North America
Journal: Madroño
Volume: 18
Pages: 85–92