American shield fern


Definition of American shield fern

: a woodland fern (Dryopteris spinulosa intermedia) of eastern North America with pinnae bearing glandular hairs

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First Known Use of American shield fern

1866, in the meaning defined above

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The first known use of American shield fern was in 1866

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Cite this Entry

“American shield fern.” Dictionary, Merriam-Webster, Accessed 9 Aug. 2020.

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