Reference:Thomson1993a
Revision as of 22:33, 26 July 2019 by Unknown user (talk)
Verbatim text: Thomson, P. H. 1993. Dudleya and Hasseanthus Handbook. Bonsall, Calif.
Author: Thomson, P.H.
Year: 1993
Title: Dudleya and Hasseanthus Handbook
Publisher: Calif