Verbatim text: Barkley, T. M. 1988. Variation among the aureoid senecios of North America: A geohistorical interpretation. Bot. Rev. (Lancaster) 54: 82–106.
Author: Barkley, T.M.
Year: 1988
Title: Variation among the aureoid senecios of North America: A geohistorical interpretation
Journal: Bot. Rev. (Lancaster)
Volume: 54
Pages: 82–106