Noun pepperwort has 2 senses
  1. clover fern, pepperwort - any of several water ferns of the genus Marsilea having four leaflets
    --1 is a kind of aquatic fern, water fern
    --1 is a member of Marsilea, genus Marsilea
    --1 has particulars:
     nardoo, nardo, common nardoo, Marsilea drummondii; water clover, Marsilea quadrifolia
  2. common garden cress, garden pepper cress, pepper grass, pepperwort, Lepidium sativum - annual herb used as salad green and garnish
    --2 is a kind of cress, cress plant
    --2 is a member of Lepidium, genus Lepidium
    --2 has parts: garden cress
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