Verbatim text: Morgan, D. R. and B. B. Simpson. 1992. A systematic study of Machaeranthera (Asteraceae) and related groups using restriction site analysis of chloroplast DNA. Syst. Bot. 17: 511–531.
Author: Morgan, D.R., Simpson, B.B.
Year: 1992
Title: A systematic study of Machaeranthera (Asteraceae) and related groups using restriction site analysis of chloroplast DNA
Journal: Syst. Bot
Volume: 17
Pages: 511–531