floating fern
- n pantropical aquatic fern
- n aquatic fern of tropical America often used in aquariums
- n small free-floating aquatic fern from the eastern United States to tropical America; naturalized in western and southern Europe
floating fern :
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- Caddo Lake suffers as giant salvinia surges
Giant salvinia (Salvinia molesta), a floating fern from southern Brazil, is one of the most problematic aquatic plants in Texas. It damages aquatic ecosystems by outgrowing and replacing native plants that provide food and habitat for native animals and waterfowl.
July 14, 2013 - The Longview News-Journal