[Dryopteris amambayensis Christ, moreDryopteris diplazioides var. amambayensis (H. Christ) Rosenst. ex Hassl., Dryopteris diplazioides var. brevisora Rosenst., Dryopteris dutrae C. Chr. ex Dutra, Lastrea dutrae (C. Chr. ex Dutra) Brade, Thelypteris amambayensis (Christ) Ponce, Thelypteris brevisora (Rosenst.) Ponce, Thelypteris dutrae (C. Chr. ex Dutra) Ponce]