@article {CarpenterStandley:1926p692,
	title = {Trees and Shrubs of Mexico, {\&}c‎},
	year = {1926},
	month = {Jan},
	pages = {1721},
	url = {http://books.google.com/books?id=9O5PQQAACAAJ\&printsec=frontcover},
	author = {Paul Carpenter Standley}
}
