@article {8323,
	title = {Phylogenetic Analysis of Chloroplast DNA in North American Gutierrezia and Related Genera (Asteraceae: Astereae)},
	journal = {Syst. Bot},
	volume = {15},
	year = {1990},
	month = {1990///},
	pages = {660 - 670},
	author = {Y. Suh and B.B. Simpson}
}
