Verbatim text: Holm, T. 1921. Dirca palustris L. A morphological study. Amer. J. Sci., ser. 5, 2: 177–182.
Author: Holm, T.
Year: 1921
Title: Dirca palustris L. A morphological study
Journal: Amer. J. Sci
Volume: 5
Pages: 177–182