Verbatim text: Winkler, H. 1904. Betulaceae. In: H. G. A. Engler, ed. 1900--1953. Das Pflanzenreich.... 107 vols. Berlin. Vol. 19[IV,61], pp. 1--149.
Author: Winkler, H.
Year: 1904
Title: Betulaceae
Editor: Engler, H.G.A.
Book year: 1900--1953
Book title: Das Pflanzenreich
Book volume: 107 vols
Volume: 19
Pages: 1–149