Reference:Mitchell1968a
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Verbatim text: Mitchell, R. S. 1968. Variation in the Polygonum amphibium complex and its taxonomic significance. Univ. Calif. Publ. Bot. 45: 1–65.
Author: Mitchell, R.S.
Year: 1968
Title: Variation in the Polygonum amphibium complex and its taxonomic significance
Journal: Univ. Calif. Publ. Bot
Volume: 45
Pages: 1–65