Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade "neomura" Cavalier-Smith 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade neokaryotes Cavalier-Smith 1993 - mitochondrial eukaryotes
                 Clade neozoa Cavalier-Smith 1993
                   Superkingdom Corticata Lankester, 1878
                     Kingdom Chromista Caval.-Sm. (1981) - chromists
                       Subkingdom Harosa Cavalier-Smith, 2010
                         Infrakingdom Halvaria Cavalier-Smith, 2010
                           Superphylum Heterokonta Caval.-Sm. (1981)
                             Phylum Oomycota Arx (1967)
                               Class Peronosporea
                                 Subclass Peronosporidaeᵀ
                                   Order Peronosporalesᵀ
                                     Family Peronosporaceaeᵀ
                                       Genus Phytophthora de Bary (1876)
                                         Phytophthora cactorum (Lebert & Cohn) J.Schröt. (1886)
                                         Phytophthora cinnamomi Rands (1922)
                                         Phytophthora coryptogeen
                                         Phytophthora fragariae Hickman (1940)
                                         Phytophthora infestans (Mont.) de Bary (1876)
                                         Phytophthora megasperma Drechsler (1931)
                                         Phytophthora palmivora (E.J. Butler) E.J. Butler (1919)
                                         Phytophthora parasitica Dastur (1913)
                                         Phytophthora porri Foister (1931)
                                         1 Phytophthora boehmeriae Sawada (1927)
                                         1 Phytophthora ramorum Werres, de Cock & Man, in 't Veld (2001)