#rhizoid  any of various slender filaments that function as roots in mosses and ferns and fungi etc
  supertype:  fibril__filament__strand  a very slender natural or synthetic fiber
  subtype:  leak_fungus__ring_rot_fungus__Rhizopus_stolonifer  fungus causing soft watery rot in fruits and vegetables and rings of dry rot around roots of sweet potatoes

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