Verbatim text: Barkley, T. M. 1980. Taxonomic notes on Senecio tomentosus and its allies (Asteraceae). Brittonia 32: 291–308.
Author: Barkley, T.M.
Year: 1980
Title: Taxonomic notes on Senecio tomentosus and its allies (Asteraceae)
Journal: Brittonia
Volume: 32
Pages: 291–308