Reference:Donald1980a
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Verbatim text: Donald, C. B. 1980. A biosystematic study of the Polygonum hydropiperoides (Polygonaceae) complex. Amer. J. Bot. 67: 664–670.
Author: Donald, C.B.
Year: 1980
Title: A biosystematic study of the Polygonum hydropiperoides (Polygonaceae) complex
Journal: Amer. J. Bot
Volume: 67
Pages: 664–670