Acrostichum ilvense. Linn. Sp. Pl. ed. 2, p. 1528.
Nephrodium lanosam. Michaux, Amer. 2, p. 198.
Habitat in rupibus Europæ et Americæ borealis. (v. v.) ♃.
2. hyperborea. W. frondibus pinnatis, pinnis triangularibus
oblongisve inciso-pinnatifidis: lobis integerrimis
paucifloris: antico baseos productiore. Tab. 38 (XI).
Polypodium hyperboreum. Swartz, Synop. Fil. 39. Willden. Sp. Pl. 5, p. 197. Eng. Bot. 2023.
Polypodium arvonicum. Smith, Fl. Brit. 3, p. 1115.*
Polypodium ilvense. Withering, Arrang. ed. 3, t. 3, p. 774.
Acrostichum hyperboreum. Liljeblad in Act. Stockholm. 1793, p. 201, t. 8*.
Acrostichum alpinum. Bolton, Fil. Brit. 76, t. 42.
Ceterach alpinum. Lamarck et Decandolle, Fl. Fran. 2, p. 567.
Habitat in Europæ alpibus (v. v.) ♃.
