@book{22859,
	author = {Fernald, Merritt L.},
	title = {Gray's manual of botany :},
	publisher = {Van Nostrand Reinhold Company ,},
	year = {c1950.},
	address = {New York :},
	edition = {8th (centennial) ed.,},
	note = {First ed. published in 1848 under title: A manual of the botany of the northern United States.}
}