@article {20271,
	title = {Studies of American plants - II},
	journal = {Wrightia},
	volume = {4},
	year = {1970},
	month = {08/1970},
	pages = {129-152},
	chapter = {129},
	url = {http://www.biodiversitylibrary.org/item/15466$\#$page/140/mode/1up},
	author = {Lundell, Cyrus L.}
}
