fairy moss

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English[edit]

Noun[edit]

fairy moss (plural fairy mosses)

  1. Any of various species of aquatic fern in the genus Azolla.
    • 2018, Tim Flannery, Europe: A Natural History, page 76:
      If you have ever had a pond you will know Azolla, a.k.a. pondweed, duckweed fern or fairy moss.