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Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Halvaria
Heterokonta
Oomycetes (Oomycota (descriptive name))

Peronosporea (22952614)

Children (4 direct children, 2076 direct and indirect children):

Olpidiopsidales (tree size 71)

Saprolegniidae (tree size 374)

Albuginidae

Peronosporidae (tree size 1627)