@article {277,
	title = {Linnaea; Ein Journal f{\"u}r die Botanik in ihrem ganzen Umfange. Berlin},
	volume = {43(2)},
	year = {1881},
	author = {Hoffmann}
}
@article {95,
	title = {Boletin de la Academia Nacional de Ciencias. Cordoba (Argentina)},
	volume = {4(1)},
	year = {1881},
	author = {G. Hieronymus}
}
@article {51,
	title = {Abh. Naturf. Ges. Halle},
	volume = {15},
	year = {1881},
	author = {Klatt}
}
