Noun whisk fern has 1 sense
  1. whisk fern - chiefly tropical clump-forming plants of skeletal appearance resembling whisk brooms; lacking roots
    --1 is a kind of
    fern ally
    --1 is a member of Psilotum, genus Psilotum
    --1 has particulars: skeleton fork fern, Psilotum nudum
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