Verbatim text: Semple, J. C., C. Leeder, C. Leuty, and L. Gray. 1988. Heterotheca sect. Ammodia (Compositae: Astereae): A multivariate study of H. oregona and specimens of Brewer’s (golden)aster. Syst. Bot. 13: 547–558.
Author: Semple, J.C., Leeder, C., Leuty, C., Gray, L.
Year: 1988
Title: Heterotheca sect. Ammodia (Compositae: Astereae): A multivariate study of H. oregona and specimens of Brewer’s (golden)aster
Journal: Syst. Bot
Volume: 13
Pages: 547–558