@book {15111,
	title = {秦岭植物志/Flora Tsinlingensis},
	volume = {1(2)},
	year = {1974},
	author = {W.T.Wang}
}
@article {14790,
	title = {中国景天属山景天组的修订/Revision of the Section Oreades on Chinese Sedum},
	journal = {Acta Phytotaxonomica Sinica/植物分类学报},
	volume = {12},
	year = {1974},
	author = {Fu Kun-tsun}
}
