As classified in WFO snapshot
December 2022
Warning: older classification
variety
Dryopteris tetragona var. guadalupensis
C.Chr.
This variety name was first published in Kongel. Danske Vidensk. Selsk. Skr., Naturvidensk. Math. Afh. , ser. 7, 10(2): 261 (1913)
This variety name has been reclassified since this snapshot. Its current preferred usage is a synonym .