= Matteuccia pensylvanica f. obtusilobata (Clute) F.Seym.; Phytologia Mem. 5: 597 (1982)
= Matteuccia pensylvanica f. pubescens (Terry) F.Seym.; Phytologia Mem. 5: 597 (1982)
= Matteuccia pubescens (Terry) Clute; Fern Bull. 16: 48 (1908)
= Matteuccia struthiopteris f. pubescens (Terry) Clute; Fern Bull. 16: 48 (1908)
= Matteuccia struthiopteris subsp. pensylvanica (Willd.) Á.Löve & D.Löve; Taxon 26(2-3): 326 (1977)
= Matteuccia struthiopteris var. pensylvanica (Willd.) C.V.Morton; Amer. Fern J. 40: 247 (1950)
= Matteuccia struthiopteris var. pubescens (Terry) Clute; Fern Bull. 16: 48 (1908)
= Onoclea pensylvanica (Willd.) Sm.; Cycl. [A.Rees] (London ed.) 26 no. 3 (1813)
= Onoclea struthiopteris f. foliacea (Farw.) B.Boivin; Bull. Soc. Bot. France 108: 414 (1961)
= Onoclea struthiopteris f. obtusilobata (Clute) B.Boivin; Bull. Soc. Bot. France 108: 414 (1961)
= Onoclea struthiopteris f. pubescens (Terry) B.Boivin; Bull. Soc. Bot. France 108: 414 (1961)
= Onoclea struthiopteris var. pensylvanica (Willd.) B.Boivin; Bull. Soc. Bot. France 108: 413 (1961)
= Pteretis nodulosa f. foliacea (Farw.) M.Broun; Index No. Amer. Ferns: 150 (1938)
= Pteretis nodulosa f. obtusilobata Fernald; Rhodora 37: 219 (1935)
= Pteretis nodulosa f. pubescens (Terry) Fernald; Rhodora 37: 219 (1935)
= Pteretis pensylvanica (Willd.) Fernald; Rhodora 47: 123 (1945)
= Pteretis pensylvanica f. foliacea (Farw.) Fernald; Rhodora 47: 124 (1945)
= Pteretis pensylvanica f. obtusilobata (Clute) Fernald; Rhodora 47: 124 (1945)
= Pteretis pensylvanica f. pubescens (Terry) Fernald; Rhodora 47: 124 (1945)
= Pteretis struthiopteris subvar. foliacea Farw.; Amer. Fern J. 27: 15 (1937)
= Pteretis struthiopteris subvar. obtusilobata (Clute) Farw.; Amer. Fern J. 27: 15 (1937)
= Pteretis struthiopteris subvar. pubescens (Terry) Farw.; Amer. Fern J. 27: 15 (1937)
= Pteretis struthiopteris var. pennsylvanica (Willd.) Farw.; Rep. (Annual) Michigan Acad. Sci. 21: 346 (1920)
= Pteris pensylvanica f. obtusilobata (Clute) Fernald
= Pteris struthiopteris subvar. obtusilobata (Clute) Farw.
= Struthiopteris filicastrum f. pennsylvanica (Willd.) Sved., Alm & Örtendahl; Index Sem. (Uppsala) 1932: 1 (1933)
= Struthiopteris germanica f. obtusilobata Clute; Fern Bull. 18: 111 (1910)
= Struthiopteris germanica f. pubescens Terry; Fern Bull. 16: 5, 49 (1908)
= Struthiopteris germanica var. pubescens (Terry) A.A.Eaton; Fern Bull. 16: 47 (1908)
= Struthiopteris pensylvanica f. pubescens (Terry) Clute; Fern Bull. 16: 48 (1908)
= Struthiopteris pensylvanica Willd.; Sp. Pl., ed. 4 [Willdenow] 5(1): 289 (1810)
= Struthiopteris pubescens (Terry) Clute; Fern Bull. 16: 48 (1908)
= Struthiopteris struthiopteris var. pensylvanica (Willd.) Farw.; Amer. Midl. Naturalist 12: 252 (1931)