#order_Chlorococcales__Chlorococcales  unicellular green algae that reproduce by spores
  supertype:  protoctist_order  the order of protoctista
  member of:  class_Chlorophyceae
  member:  genus_Chlorococcum__Chlorococcum  type genus of Chlorococcales; unicellular green algae occurring singly or in a layer on soil or damp rock
  member:  genus_Chlorella  nonmotile unicellular green algae potentially important as source of high-grade protein and B-complex vitamins
     member:  chlorella  any alga of the genus Chlorella

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