Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Hegi, Gustav and Wagenitz, Gerhard","Compositae 1 : Allgemeiner Teil, Eupatorium - Achillea","2., völlig neubearb. Aufl",P. Parey,1979,Illustrierte Flora von Mitteleuropa,,3489840208,,https://cir.nii.ac.jp/crid/1130282272789259520