@book {799,
	title = {Flora of North America: north of Mexico. 7: Magnoliophyta. Salicaceae to Brassicaceae},
	year = {2010},
	publisher = {Oxford University Press},
	organization = {Oxford University Press},
	isbn = {0195318226},
	author = {Al-Shebaz, Ihsan A and Alongi, Barbara and Flora of North America Editorial Committee}
}
