Verbatim text: Morgan, D. R. and R. L. Hartman. 2003. A synopsis of Machaeranthera (Asteraceae: Astereae), with recognition of segregate genera. Sida 20: 1837–1416.
Author: Morgan, D.R., Hartman, R.L.
Year: 2003
Title: A synopsis of Machaeranthera (Asteraceae: Astereae), with recognition of segregate genera
Journal: Sida
Volume: 20
Pages: 1837–1416