Verbatim text: Datwyler, S. L. and A. D. Wolfe. 2004. Phylogenetic relationships and morphological evolution in Penstemon subg. Dasanthera (Veronicaceae). Syst. Bot. 29: 165–176.
Author: Datwyler, S.L., Wolfe, A.D.
Year: 2004
Title: Phylogenetic relationships and morphological evolution in Penstemon subg. Dasanthera (Veronicaceae)
Journal: Syst. Bot
Volume: 29
Pages: 165–176