| Onocleaceae | ! |
Matteuccia struthiopteris var. acutiloba
| Ching | Fl. Tsinling. 2: 221 | 1974 |
| Onocleaceae | |
Matteuccia struthiopteris subsp. pensylvanica
| (Willd.) Á. Löve & D. Löve | Taxon 26(2/3): 326 | 1977 |
| Onocleaceae | |
Matteuccia struthiopteris var. pensylvanica
| (Willd.) C.V. Morton | Amer. Fern J. 40: 247 | 1950 |
| Onocleaceae | |
Matteuccia struthiopteris fo. pubescens
| (Terry) Clute | Fern Bull. 16: 48 | 1908 |
| Onocleaceae | |
Matteuccia struthiopteris var. pubescens
| (Terry) Clute | Fern Bull. 16: 48 | 1908 |
| Onocleaceae | |
Matteuccia struthiopteris subsp. sinuata
| (Thunb.) Á. Löve & D. Löve | Taxon 26(2–3): 326 | 1977 |
| Onocleaceae | ! |
Matteuccia struthiopteris var. struthiopteris
| | | |