Reference:Walters1964a
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Verbatim text: Walters, S. M. 1964. Portulaca. In: T. G. Tutin et al., eds. 1964–1980. Flora Europaea. 5 vols. Cambridge. Vol. 1, p. 114.
Author: Walters, S.M.
Year: 1964
Title: Portulaca
Editor: Tutin, T.G.
Book year: 1964–1980
Book title: Flora Europaea
Book volume: 5 vols
Volume: 1
Pages: 114