Verbatim text: Small, J. K. and P. A. Rydberg. 1905. Hydrangeaceae. In: N. L. Britton et al., eds. North American Flora.... 1905+. New York. 47+ vols. Vol. 22, pp. 159–178.
Author: Small, J.K., Rydberg, P.A.
Year: 1905
Title: Hydrangeaceae
Editor: Britton, N.L.
Book year: 1905+
Book volume: 47+ vols
Volume: 22
Pages: 159–178