Parapolystichum effusum (Sw.) Ching, Sunyatsenia 5: 239. 1940 sec. Keskiniva, V., H. Tuomisto & S. Lehtonen 2024
- ≡Lastreopsis effusa (Sw.) Tindale, Vict. Naturalist 73: 184. 1957 syn. sec. Mickel & Smith 2004
- ≡Polypodium effusum Sw., Prodr. [O. P. Swartz] 134. 1788 syn. sec. Mickel & Smith 2004