'Parathelypteris novae-boracensis' definitions:
Definition of 'Parathelypteris novae-boracensis'
(from WordNet)
noun
Slender shield fern of moist woods of eastern North America; sometimes placed in genus Dryopteris [syn: New York fern, Parathelypteris novae-boracensis, Dryopteris noveboracensis]