• Dryopteris Adanson, 1763 [Family: Dryopteridaceae]
• Dryopteris Grote, 1862 (uncertain) [Family: Lepidoptera (awaiting allocation)]
• Dryopteris acutidens C. Christens.
• Dryopteris algonquinensis D.M. Britt.
• Dryopteris ampla auct. non Kuntze accepted as Ctenitis sloanei (Poepp. ex Spreng.) Morton
• Dryopteris angustifolia (Willd.) Urban accepted as Thelypteris angustifolia (Willd.) Proctor
• Dryopteris arguta (Kaulfuss) Watt
• Dryopteris assimilis S. Walker accepted as Dryopteris expansa (K. Presl) Fraser-Jenkins & Jermy
• Dryopteris atropalustris Small accepted as Dryopteris celsa (Wm. Palmer) Knowlt., Palmer & Pollard ex Small
• Dryopteris augescens (Link) C. Christens. accepted as Thelypteris augescens (Link) Munz & Johnston
• Dryopteris australis (Wherry) Small
• Dryopteris austriaca (Jacq.) Woynar ex Schinz & Thellung accepted as Dryopteris campyloptera Clarkson
• Dryopteris benedictii Wherry
• Dryopteris boottii (Tuckerman) Underwood
• Dryopteris brittonae Slosson ex Maxon accepted as Thelypteris brittonae (Slosson ex Maxon) Alain
• Dryopteris burgessii Boivin
• Dryopteris campyloptera Clarkson
• Dryopteris carthusiana (Vill.) H.P. Fuchs
• Dryopteris celsa (Wm. Palmer) Knowlt., Palmer & Pollard ex Small
• Dryopteris chaerophylloides (Poir.) C. Christens. accepted as Arachniodes chaerophylloides (Poir.) Proctor
• Dryopteris cinnamomea (Cav.) C. Christens.
• Dryopteris clintoniana (D.C. Eat.) Dowell
• Dryopteris crinalis (Hook. & Arn.) C. Christens.
• Dryopteris cristata (L.) Gray
• Dryopteris cyatheoides (Kaulfuss) Kuntze accepted as Thelypteris cyatheoides (Kaulfuss) Fosberg
• Dryopteris dargoensis
• Dryopteris decussata (L.) Urban accepted as Thelypteris decussata (L.) Proctor
• Dryopteris deltoidea (Sw.) Kuntze accepted as Thelypteris deltoidea (Sw.) Proctor
• Dryopteris dentata (Forsk.) C. Christens. accepted as Thelypteris dentata (Forsk.) E. St. John
• Dryopteris dilatata auct. non (Hoffmann) Gray accepted as Dryopteris expansa (K. Presl) Fraser-Jenkins & Jermy
• Dryopteris disjuncta (Rupr.) Morton accepted as Gymnocarpium disjunctum (Rupr.) Ching
• Dryopteris domingensis (Spreng.) Maxon accepted as Thelypteris guadalupensis (Wikstr.) Proctor
• Dryopteris dowellii (Farw.) Wherry
• Dryopteris dryopteris (L.) Britt. accepted as Gymnocarpium dryopteris (L.) Newman
• Dryopteris effusa (Sw.) Urban accepted as Lastreopsis effusa (Sw.) Tindale
• Dryopteris expansa (K. Presl) Fraser-Jenkins & Jermy
• Dryopteris filix-mas (L.) Schott
• Dryopteris fragrans (L.) Schott
• Dryopteris fuscoatra (Hbd.) W.J. Robins.
• Dryopteris germaniana (Fée) C. Christens. accepted as Thelypteris germaniana (Fée) Proctor
• Dryopteris glabra (Brack.) Kuntze
• Dryopteris globulifera (Brack.) Kuntze accepted as Thelypteris globulifera (Brack.) C.F. Reed
• Dryopteris goldiana (Hook. ex Goldie) Gray
• Dryopteris gongylodes (Schkuhr) Kuntze accepted as Thelypteris interrupta (Willd.) K. Iwats.
• Dryopteris guadalupensis (Wikstr.) C. Christens. accepted as Thelypteris guadalupensis (Wikstr.) Proctor
• Dryopteris hastata (Fée) Urban accepted as Thelypteris hastata (Fée) Proctor
• Dryopteris hawaiiensis (Hbd.) W.J. Robins.
• Dryopteris hexagonoptera (Michx.) C. Christens. accepted as Phegopteris hexagonoptera (Michx.) Fée
• Dryopteris imitata C. Christens. accepted as Thelypteris cordata (Fée) Proctor
• Dryopteris intermedia (Muhl. ex Willd.) Gray
• Dryopteris leedsii Wherry
• Dryopteris leptocladia (Fée) Maxon accepted as Thelypteris leptocladia (Fée) Proctor
• Dryopteris linkiana (K. Presl) Maxon accepted as Thelypteris linkiana (K. Presl) R. Tryon
• Dryopteris linnaeana C. Christens. accepted as Gymnocarpium dryopteris (L.) Newman
• Dryopteris ludoviciana (Kunze) Small
• Dryopteris macilenta (E. St. John) Correll accepted as Thelypteris hispidula (Dcne.) C.F. Reed
• Dryopteris marginalis (L.) Gray
• Dryopteris megalodus (Schkuhr) Urban accepted as Thelypteris pennata (Poir.) Morton
• Dryopteris nemorosa (Humb. & Bonpl. ex Willd.) Urban accepted as Ctenitis nemorosa (Humb. & Bonpl. ex Willd.) Ching
• Dryopteris neowherryi W.H. Wagner
• Dryopteris nevadensis (Baker) Underwood accepted as Thelypteris nevadensis (Baker) Clute ex Morton
• Dryopteris normalis C. Christens. accepted as Thelypteris kunthii (Desv.) Morton
• Dryopteris noveboracensis (L.) Gray accepted as Thelypteris noveboracensis (L.) Nieuwl.
• Dryopteris nuda Underwood accepted as Dryopteris glabra (Brack.) Kuntze
• Dryopteris oligophylla Maxon accepted as Thelypteris invisa (Sw.) Proctor
• Dryopteris opposita (Vahl) Urban accepted as Thelypteris opposita (Vahl) Ching
• Dryopteris oregana C. Christens. accepted as Thelypteris nevadensis (Baker) Clute ex Morton
• Dryopteris oreopteris auct. non (Ehrh.) Maxon accepted as Thelypteris quelpaertensis (Christ) Ching
• Dryopteris paleacea (D. Don) Hand.-Maz. accepted as Dryopteris wallichiana (Spreng.) Hyl.
• Dryopteris parallelogramma (Kunze) Alston accepted as Dryopteris wallichiana (Spreng.) Hyl.
• Dryopteris parasitica (L.) Kuntze accepted as Thelypteris parasitica (L.) Fosberg
• Dryopteris parvula Robins.
• Dryopteris patens (Sw.) Kuntze accepted as Thelypteris patens (Sw.) Small ex R. St. John
• Dryopteris patula (Sw.) Underw.
• Dryopteris pedata (Desv.) Kuntze accepted as Tectaria pedata (Desv.) R.M. Tryon & A.F. Tryon
• Dryopteris phegopteris (L.) C. Christens. accepted as Phegopteris connectilis (Michx.) Watt
• Dryopteris piedrensis C. Christens. accepted as Thelypteris piedrensis (C. Christens.) Morton
• Dryopteris pittsfordensis Slosson
• Dryopteris podosora W.H. Wagner & T. Flynn
• Dryopteris poiteana (Bory) Urban accepted as Thelypteris poiteana (Bory) Proctor
• Dryopteris poyseri Wherry accepted as Dryopteris clintoniana (D.C. Eat.) Dowell
• Dryopteris reptans (J.F. Gmel.) C. Christens. accepted as Thelypteris reptans (J.F. Gmel.) Morton
• Dryopteris resinifera (Desv.) Weatherby accepted as Thelypteris resinifera (Desv.) Proctor
• Dryopteris reticulata (L.) Urban accepted as Thelypteris reticulata (L.) Proctor
• Dryopteris robertiana (Hoffmann) C. Christens. accepted as Gymnocarpium robertianum (Hoffmann) Newman
• Dryopteris rolandii C. Christens. accepted as Thelypteris rolandii (C. Christens.) R. Tryon
• Dryopteris rossii C. Christens.
• Dryopteris sancta (L.) Kuntze accepted as Thelypteris sancta (L.) Ching
• Dryopteris sandwicensis (Hook. & Arn.) C. Christens.
• Dryopteris saxatilis (R. St. John) Broun accepted as Thelypteris kunthii (Desv.) Morton
• Dryopteris sclerophylla (Poepp. ex Spreng.) C. Christens. accepted as Thelypteris sclerophylla (Poepp. ex Spreng.) Morton
• Dryopteris separabilis Small
• Dryopteris serra (Sw.) Kuntze accepted as Thelypteris serra (Sw.) R. St. John
• Dryopteris serrata (Cav.) C. Christens. accepted as Thelypteris serrata (Cav.) Alston
• Dryopteris setigera auct. non Blume accepted as Macrothelypteris torresiana (Gaud.) Ching
• Dryopteris simulata Davenport accepted as Thelypteris simulata (Davenport) Nieuwl.
• Dryopteris slossoniae Wherry ex Lellinger
• Dryopteris spinulosa (O.F. Muell.) Watt accepted as Dryopteris carthusiana (Vill.) H.P. Fuchs
• Dryopteris sprengelii (Kaulfuss) Kuntze accepted as Thelypteris balbisii (Spreng.) Ching
• Dryopteris stegnogrammoides (Baker) C. Christens. accepted as Pneumatopteris sandwicensis (Brack.) Holttum