floating fern

noun

1
: any of several aquatic ferns of the genus Ceratopteris (especially C. thalictroides and C. pteridoides) often used in aquariums

called also water sprite

2
: floating moss
also : a related plant (Azolla caroliniana)

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Cite this Entry

“Floating fern.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/floating%20fern. Accessed 19 Dec. 2024.

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