@article {7796,
	title = {Die Gattung Bidens L. in der Tschechoslowakei},
	journal = {Folia Geobot. Phytotax},
	volume = {3},
	year = {1968},
	month = {1968///},
	pages = {65 - 98},
	author = {M. Lhotsk{\'a}}
}
