Family Dryopteridaceae Athyrium filix-femina (L.) Roth ex Mert. var. angustum (Willd.) G.Lawson
common lady fern, lady fern, northeastern lady fern, northern lady fern Athyrium: (1) from Greek a, "without," and thurium, "shield" (2) doorless, from the enclosed sori filix-femina:filix for fern; femina for "lady"