"Peronosporales" . . . "Peronosporaceae" . "Oomycota" . "Plasmopara acalyphae (G.W. Wilson) G.W. Wilson 1918" . "Oomycetes" . "(G.W. Wilson) G.W. Wilson 1918" . "Plasmopara" . "Plasmopara acalyphae" . . . "Chromista" . . . . . . .