As classified in WFO snapshot
June 2024
Warning: older classification
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 .