organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Eukaryota Chatton, 1925 - eukaryotes
     Kingdom Fungi R.T.Moore (1980) - fungi
       Phylum Basidiomycota R.T.Moore (1980) - basidiomycetes
         Class Basidiomycetes G.Winter (1880)
           Subclass Agaricomycetidae Locq. ex Parmasto (1986)
             Order Agaricales Underw. (1899)
               Family Hydnangiaceae Gäum. & C.W.Dodge (1928)
                 1 Genus Hydnangium Wallr. (1839)
                 2 Genus Laccaria Berk. & Broome (1883)
                 3 Genus Maccagnia Mattir. (1922)
                 4 Genus Podohydnangium G.W. Beaton, Pegler & T.W.K. Young (1984)