As classified in WFO snapshot
December 2023
Warning: older classification
variety
Dryopteris strigilosa var. cookii
Maxon
This variety name was first published in Kongel. Danske Vidensk. Selsk. Skr., Naturvidensk. Math. Afd. ser. 7, 10(2): 105 (1913)
This variety name has been reclassified since this snapshot. Its current preferred usage is a synonym .