Verbatim text: Morse, L. E. 1979. Systematics and Ecological Biogeography of the Genus Hudsonia (Cistaceae), the Sand Heaths. Ph.D. dissertation. Harvard University.
Author: Morse, L.E.
Year: 1979
Title: Systematics and Ecological Biogeography of the Genus Hudsonia (Cistaceae), the Sand Heaths