× Apseudathyrium reichsteinii (Rasbach, Reichst. & Schneller) X.Wan & Li Bing Zhang, comb. nov.

Basionym: Athyrium × reichsteinii Schneller & Rasbach (1984: 93) ≡ “× Schnellerathyrium reichsteinii (Rasbach, Reichst. & Schneller) Hong M.Liu, Schuettp. & H.Schneid. ” (2020: 1000), nom. inval.

Type:— GERMANY. Baden-Württemberg: Stuttgart, Black Forest, 1320 m, 20 August 1981, Nr.Sch-367 (=TR-5515) (holotype Z) .

Notes: The hybrids produced by Athyrium filix-femina (Linnaeus 1753: 1090) Roth (1800: 65) and Athyrium distentifolium Tausch ex Opiz (1820: 14) include diploid, triploid, which normally occur as clones of very different size, and the nothospecies published is a diploid. The hybrids occur in shady places of deciduous and coniferous mountain forests, at elevations of 840 m to ca. 1650 m (Schneller & Rasbach 1984, Rasbach et al. 1991).

Distribution: Central Europe.