Flora van Nederland Haeckel (1866) - plants
   Division Spermatophyta Goebel (1882) see Phylum Spermatophyta Goebel (1882)
     Subdivision Angiospermae J. Lindley (1830) see Infraphylum Angiospermae auct.
       Class Dicotyledones see Class Magnoliopsida Brongn. (1843)
         Order Campanulales Juss. ex Bercht. & J.Presl (1820) see Order Asterales Link (1829)
           Family Compositae Giseke (1792), nom. cons.
             Genus Petasites Mill. (1754)
               1 Petasites japonicus (Siebold & Zucc.) Maxim. (1866) - Japanese sweet coltsfoot
               2 Petasites hybridus (L.) G.Gaertn., B.Mey. & Scherb. - pestilence wort
               3 Petasites albus (L.) Gaertner