Bibiography:  Reference Listing
for the Hydrangeaceae


Hu, S.Y. 1954-1956. A monograph of the genus Philadelphus J. Arnold Arbor. 35:275-333; 36:52-109, 326-368; 37:15-90.

Small, J.K. and P.A. Rydberg. 1905b. Hydrangeaceae N. Amer. Fl. 22:159-178.