Synonyms: Amauropelta riopardensis (homotypic); Aspidium helveolum; Aspidium helvolum; Aspidium jenmanii; Aspidium pachyrhachis (homotypic); Aspidium platyrachis; Dryopteris germaniana var. glandulosa; Dryopteris jenmanii; Dryopteris jenmanii var. vincentis; Dryopteris opposita f. major; Dryopteris pachyrachis (homotypic); Dryopteris pachyrachis var. platyrachis; Dryopteris pachyrhachis var. jenmanii; Dryopteris platyrachis; Dryopteris riograndensis (homotypic); Dryopteris riopardensis (homotypic); Lastrea jenmanii; Lastrea pachyrachis (homotypic); Lastrea riopardensis (homotypic); Nephrodium jenmanii; Nephrodium pachyrachis (homotypic); Thelypteris catamarcensis; Thelypteris pachyrachis; Thelypteris pachyrachis var. jenmanii; Thelypteris pachyrhachis var. pachyrhachis; Thelypteris riopardensis