Verbatim text: Roberts, R. P. 2002. Phylogeny of Ericameria, Chrysothamnus and Related Genera (Asteraceae: Astereae) Based on Nuclear Ribosomal DNA Sequence Data. Ph.D. dissertation. Louisiana State University.
Author: Roberts, R.P.
Year: 2002
Title: Phylogeny of Ericameria, Chrysothamnus and Related Genera (Asteraceae: Astereae) Based on Nuclear Ribosomal DNA Sequence Data