#genus_Osmunda  type genus of the Osmundaceae
  supertype:  fern_genus  genera of ferns and fern allies
  member of:  family_Osmundaceae
  member:  osmund__flowering_fern__floweringfern  any fern of the genus Osmunda: large ferns with creeping rhizomes; naked sporangia are on modified fronds that resemble flower clusters

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