New York fern Parathelypteris novae-boracensis Dryopteris noveboracensis
new_york_fern%1:20:00:: parathelypteris_novae-boracensis%1:20:00:: dryopteris_noveboracensis%1:20:00::
slender shield fern of moist woods of eastern North America; sometimes placed in genus Dryopteris