#genus_Erwinia  a genus of bacteria
  supertype:  bacteria_genus  a genus of bacteria
  member:  erwinia
  member of:  family_Enterobacteriaceae__Enterobacteriaceae  a large family of gram-negative rod-shaped bacteria of the order Eubacteriales
     member of:  order_Eubacteriales__Eubacteriales  one of two usually recognized orders of true bacteria; gram-positive spherical or rod-shaped forms; some are motile; in some classifications considered an order of Schizomycetes
        member of:  division_Eubacteria  one-celled monerans having simple cells with rigid walls and (in motile types) flagella
           member of:  kingdom_Monera__Monera  prokaryotic bacteria and blue-green algae and various primitive pathogens; because of lack of consensus on how to divide the organisms into phyla informal names are used for the major divisions

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