Verbatim text: Wherry, E. T. 1935. Distribution of the North American pitcherplants. In: M. V. Walcott. 1935. Illustrations of North American Pitcherplants. Washington. Pp. 1–23.
Author: Wherry, E.T.
Year: 1935
Title: Distribution of the North American pitcherplants
Editor: Walcott, M.V.
Book year: 1935.
Book title: Illustrations of North American Pitcherplants
Pages: 1–23