#pythium  any fungus of the genus Pythium
  supertype:  #fungus  a parasitic plant lacking chlorophyll and leaves and true stems and roots and reproducing by spores
  subtype:  #damping_off_fungus  fungus causing damping off disease in seedlings
  member of:  #genus_Pythium  destructive root-parasitic fungi
     member of:  #family_Pythiaceae__Pythiaceae  fungi having sporangia usually borne successively and singly at the tips of branching sporangiophores
        member of:  #order_Peronosporales__Peronosporales  order of chiefly parasitic lower fungi: Albuginaceae and Peronosporaceae and Pythiaceae
           member of:  #class_Oomycetes__Oomycetes  nonphotosynthetic fungi that resemble algae and that reproduce by forming oospores; sometimes classified as protoctists
              member of:  #subdivision_Mastigomycota__Mastigomycota__Mastigomycotina__subdivision_Mastigomycotina  fungi in which the spores and gametes are motile; in some systems placed in the Phycomycetes group with the Zygomycota
                 member of:  #division_Eumycota__Eumycota  true fungi; eukaryotic heterotrophic walled organisms; distinguished from Myxomycota (funguslike slime molds): comprises subdivisions Mastigomycotina; Zygomycotina; Ascomycotina; Basidiomycotina; Deuteromycotina (imperfect fungi)
                    member of:  #kingdom_Fungi__Fungi__fungus_kingdom  the taxonomic kingdom of lower plants

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