marsh fern

noun

Definition of marsh fern

1 : a shield fern (Dryopteris thelypteris) of the north temperate zone that has pinnatifid fronds with pinnae of uniform size

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“Marsh fern.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/marsh%20fern. Accessed 22 Jan. 2021.

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