Verbatim text: Palmer, E. J. 1950. Crataegus. In: M. L. Fernald. 1950. Gray’s Manual of Botany, ed. 8. New York. Pp. 767–801.
Author: Palmer, E.J.
Year: 1950
Title: Crataegus
Editor: Fernald, M.L.
Book year: 1950
Book title: Gray’s Manual of Botany, ed. 8
Pages: 767–801