@article {ward_keys_1977,
	title = {Keys to the flora of Florida {\textendash} 3, Boraginaceae},
	journal = {Phytologia},
	volume = {36},
	number = {4},
	year = {1977},
	pages = {309{\textendash}323},
	url = {http://www.biodiversitylibrary.org/page/13783811},
	author = {Ward, D. F. and Fantz, P. R.}
}
