Noun family isoetaceae has 1 sense
  1. Isoetaceae, family Isoetaceae, quillwort family - quillworts; coextensive with the genus Isoetes
    --1 is a kind of fern family
    --1 is a member of Isoetales, order Isoetales
    --1 has members: Isoetes, genus Isoetes
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