As classified in WFO snapshot
June 2025
latest classification for this taxon
subspecies
Dryopteris dilatata subsp. campyloptera
(Clarkson) C.V.Morton
This subspecies name was first published in Rep. Bot. Excurs. Boreal Forest Reg. N. Quebec & Ontario 83 (1962)
This subspecies name has been reclassified since this snapshot. Its current preferred usage is a synonym .