Description originale
Fraser-Jenkins, C.R. 2007. The species and subspecies in the Dryopteris affinis group. Fern Gaz., 18(1): 1-26 : 5

 

Holotype : Holotype, here designated: Switzerland, Kt. Zürich, above Hutten [N. side of Hohen Rohn mountain], c. 950 m. alt., Leg. E. Oberholzer, 3 Oct. 1962; frond pressed by T. Reichstein 740, 12 Aug. 1974, in BM! (sheet with the lower half of the frond is here designated holotype), isotypes: in BM! Z! ZT! NY! GRU! DUB! Fronds collected by the present author from the type-plant cult. by T. Reichstein in Basel: in BM! FR! BR! G! NMW!
     Références : Fraser-jenkins (2007)