osmunda regalis

Noun
  1. Large deeply rooted fern of worldwide distribution with upright bipinnate compound tufted fronds (synset 112974244)
    is a type of: flowering fern, osmund - any fern of the genus Osmunda: large ferns with creeping rhizomes; naked sporangia are on modified fronds that resemble flower clusters
    same as: ditch fern, french bracken, king fern, royal fern, royal osmund

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