Noun isoetes has 1 sense
  1. Isoetes, genus Isoetes - type and genus of the Isoetaceae and sole extant genus of the order Isoetales
    --1 is a kind of fern genus
    --1 is a member of Isoetaceae, family Isoetaceae, quillwort family
    --1 has members: quillwort
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