Verbatim text: . Allen, G. A. 1985. The hybrid origin of Aster ascendens (Asteraceae). Amer. J. Bot. 72: 268–277.
Author: Allen, G.A.
Year: 1985
Title: The hybrid origin of Aster ascendens (Asteraceae)
Journal: Amer. J. Bot
Volume: 72
Pages: 268–277