Noun genus groenlandia has 1 sense
  1. Groenlandia, genus Groenlandia - a monocotyledonous genus of the family Potamogetonaceae
    --1 is a kind of monocot genus, liliopsid genus
    --1 is a member of Potamogetonaceae, family Potamogetonaceae, pondweed family
    --1 has members: frog's lettuce
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