Verbatim text: Ownbey, M. 1950c. Natural hybridization and amphiploidy in the genus Tragopogon. Amer. J. Bot. 37: 487–499.
Author: Ownbey, M.
Year: 1950c
Title: Natural hybridization and amphiploidy in the genus Tragopogon
Journal: Amer. J. Bot
Volume: 37
Pages: 487–499