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sword fern


Definition of sword fern

  1. :  any of several ferns with long narrow more or less sword-shaped fronds: asa :  a tropical fern (Nephrolepis exaltata) from which the Boston fern has been developedb :  a fern (Polystichum munitum) of western North America with a large fleshy rhizome

Circa 1829

First Known Use of sword fern

circa 1829

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