Reference:Clausen1975a
Revision as of 23:32, 26 July 2019 by Unknown user (talk)
Verbatim text: Clausen, R. T. 1975. Sedum of North America North of the Mexican Plateau. Ithaca, N.Y.
Author: Clausen, R.T.
Year: 1975
Title: Sedum of North America North of the Mexican Plateau