Verbatim text: Weller, S. G. and M. F. Denton. 1976. Cytogeographic evidence for the evolution of distyly from tristyly in the North American species of Oxalis section Ionoxalis. Amer. J. Bot. 63: 120–125.
Author: Weller, S.G., Denton, M.F.
Year: 1976
Title: Cytogeographic evidence for the evolution of distyly from tristyly in the North American species of Oxalis section Ionoxalis
Journal: Amer. J. Bot
Volume: 63
Pages: 120–125