@book {15629,
	title = {Acta Horti Gothoburgensis},
	volume = {9},
	year = {1934},
	author = {Heinrich Handel-Mazzetti}
}
@book {15625,
	title = {Acta Horti Gothoburgensis},
	volume = {13},
	year = {13},
	author = {H.Handel-Mazzetti}
}
@article {15618,
	title = {Plantae Sinenses XXVIII.Labiatae},
	journal = {Acta Horti Gothoburgensis},
	volume = {9},
	year = {1934},
	author = {Heinrich Handel-Mazzetti}
}
@article {15598,
	title = {Plectranthus calcaratus Hemsl.},
	journal = {Hooker{\textquoteright}s Icones Plantarum},
	volume = {7},
	year = {1901},
	author = {Hemsl.}
}
@article {14876,
	title = {中国唇形科植物的新种、新变种、新变型和新命名/New Species,Varieties,Forms and New Names of Chinese Labiatae},
	journal = {Acta Phytotaxonomica Sinica/植物分类学报},
	volume = {11},
	year = {1966},
	author = {Y.Z.Sun \& Chun-hung Hu}
}
