organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Kingdom Protoctista Hogg, 1860 Phylum Plasmodiophoromycota Whittaker (1969), nom. nud. see Phylum Plasmodiophoromycota Doweld (2001) Genus Membranosorus Ostenf. & Petersen, 1930