@article {3256,
	title = {Revision of Trillium Subgenus Phyllantherum (Liliaceae)},
	journal = {Brittonia},
	volume = {27},
	year = {1975},
	note = {Illustrations, Maps},
	month = {January-March},
	pages = {1-62},
	keywords = {Flora -- Classification and description, Flowering plants, Trillium},
	author = {Freeman, John D}
}
