Verbatim text: Levin, G. A. and T. W. Mulroy. 1985. Floral morphology, nectar production, and breeding systems in Dudleya subgenus Dudleya (Crassulaceae). Trans. San Diego Soc. Nat. Hist. 21: 57–70.
Author: Levin, G.A., Mulroy, T.W.
Year: 1985
Title: Floral morphology, nectar production, and breeding systems in Dudleya subgenus Dudleya (Crassulaceae)
Journal: Trans. San Diego Soc. Nat. Hist
Volume: 21
Pages: 57–70