- Acrostichum aureum, Swamp fern;Golden leatherfern
- Acrostichum danaeifolium, Giant leather fern;Inland leatherfern
- Acrostichum speciosum, Mangrove Fern;Mangrove fern;Swamp Fern;Acrostichum aureum var speciosum Willd TMoore;Acrostichum fraxinifolium RBr
- Actinostachys pennula, Ray fern;Actinostachys penicillata;Schizaea pennula
- Adiantum, Maidenhair fern
- Adiantum aethiopicum, Common Maidenhair;Common Maidenhair Fern;Adiantum assimile Sw;Adiantum trigonum Labill
- Adiantum diaphanum, Threefrond Maidenhair fern;Threefront Maidenhair Fern;Filmy Maidenhair;Adiantum setulosum JSm;Adiantum polymorphum Colenso;Adiantum hispidulum var fitzalanii FMBailey;Adiantum tenue var commutatum Domin
- Adiantum formosum, Giant Maidenhair;Maidenhair Ferns;Black Stem
- Adiantum hispidulum, Maidenhair Fern;Rough Maidenhair;Rough Maidenhair Fern;Five-finger Maidenhair;Rough maidenhair
- Anemia adiantifolia, Pineland fern
- Anemia hirsuta, Hairy flowering fern
- Anemia hirta, Streambank flowering fern
- Anemia mexicana, Mexican fern;Pteridophyta
- Anemia wrightii, Wrights flowering fern;Pteridophyta
- Anetium citrifolium, Treetrunk fern;Acrostichum citrifolium;Pteridanetium citrifolium
- Angiopteris, Angiopteris fern
- Angiopteris evecta, Giant Fern;Angiopteris elongata Hieron;Polypodium evectum GForst;Oriental vessel fern
- Anogramma leptophylla, Annual Fern;Delicate Rue Fern;Gymnogramma leptophylla L Desv;Polypodium leptophyllum L;Asplenium leptophyllum L Sw;Acrostichum leptophyllum L Lam & Dc;Grammitis leptophylla L Sw;Pityrogramma leptophylla L Domin;Gymnogramma novae-zelandiae Colenso;Riccia tuberosa Taylor
- Antrophyum, Lineleaf fern
- Antrophyum cajenense, Forked lineleaf fern;Hemionitis cajenensis;Polytaenium cajenense
- Antrophyum callifolium, Ox-tongue Fern;Antrophyum reticulatum f apicilobatum Watts
- Antrophyum intramarginale, Tufted lineleaf fern
- Antrophyum lanceolatum, Straight lineleaf fern;Hemionitis lanceolata
- Antrophyum lineatum, Narrow lineleaf fern
- Antrophyum urbanii, Urbans lineleaf fern
- Arachniodes aristata, Prickly Shield fern;Prickly Shieldfern;Aspidium aristatum GForst Sw;Polystichum aristatum GForst CPresl;Polypodium aristatum GForst
- Arachniodes simplicior, Variegated shield fern;Simpler hollyfern
- Argyrochosma dealbata, Powdery false cloak fern
- Argyrochosma fendleri, Fendlers false cloak fern;Pteridophyta
- Argyrochosma incana, Hairy false cloak fern
- Argyrochosma jonesii, Jones false cloak fern
- Argyrochosma limitanea, Southwestern false cloak fern
- Argyrochosma microphylla, Small-leaf false cloak fern
- Arthropteris tenella, Climbing Fern;Polypodium tenellum GForst
- Asparagus aethiopicus, Asparagus Fern;Protasparagus aethiopicus L Oberm;Asparagus sprengeri Regel;Asparagus densiflorus Meyers sensu National Herbarium of New South Wales 2005
- Asparagus asparagoides, Smilax Asparagus;Bridal Creeper;Myrsiphyllum asparagoides L Willd;Medeola asparagoides L;Dracaena medeoloides Lf;Asparagus medeoloides Lf Thunb;Elachanthera sewelliae FMuell;Luzuriaga sewelliae FMuell KKrause;African asparagus fern
- Asparagus densiflorus, Sprengers asparagus fern;Sprenger Asparagus-Fern;Emerald-Fern;Asparagus aethiopicus
- Asparagus plumosus, Asparagus Fern;Protasparagus plumosus Baker Oberm
- Asparagus setaceus, Protasparagus setaceus Kunth Oberm;Asparagopsis setacea Kunth;Common asparagus fern;Climbing Asparagus-Fern;Lace-Fern
- Asparagus virgatus, Asparagus Fern;Protasparagus virgatus Baker Oberm
- Aspidotis densa, Indians dream fern;Indians dream;Asplenium densum
- Asplenium abscissum, Cutleaf spleenwort fern;Cutleaf spleenwort
- Asplenium adiantum-nigrum, Black spleenwort fern;Black spleenwort
- Asplenium adulterinum, Corrupt spleenwort fern
- Asplenium australasicum, Birds Nest Fern;Dock;Asplenium robinsonii FMuell;Asplenium squamulatum smithii Hook;Neottopteris australasica JSm;Thamnopteris australasica JSm TMoore
- Asplenium cristatum, Crested spleenwort fern;Parsley spleenwort;Asplenium cicutarium
- Asplenium dalhousiae, Countess dalhousies spleenwort fern;Pteridophyta
- Asplenium difforme, Coastal Asplenium;Coastal Fern;Asplenium obtusatum var difforme RBr Hook;Asplenium marinum var difforme FMBailey;Asplenium obtusatum var;Asplenium obtusatum var difforme RBr Benth sensu Bentham, G 1878
- Asplenium dimorphum, Lace Fern;Two-frond Fern;Two-leaf Fern;Asplenium diversifolium ACunn ex Endl;Asplenium diversifolium ACunn ex Loudon;Darea heterophylla Sm
- Asplenium exiguum, Little spleenwort fern;Little spleenwort
- Asplenium flabellifolium, Necklace fern;Necklace Fern;Fan-leaved Spleenwort;Fan-leaved Fern;Chamaefilix flabellifolia Cav Farw
- Asplenium heterochroum, Long spleenwort fern;Bicolored spleenwort
- Asplenium monanthes, Single-sorus fern;Singlesorus spleenwort
- Asplenium montanum, Mountain spleenwort fern;Mountain spleenwort
- Asplenium myriophyllum, Limestone spleenwort;Modest spleenwort fern;Asplenium verecundum
- Asplenium nidus, Birds Nest Fern;Birds-nest Fern;Thamnopteris nidus L CPresl;Neottopteris vulgaris JSm;Neottopteris nidus L Hook;Pteridophyta;HawaiI birdnest fern
- Asplenium palmeri, Palmers spleenwort fern;Palmers spleenwort
- Asplenium platyneuron, Ebony spleenwort fern;Ebony spleenwort
- Asplenium plenum, Ruffled spleenwort fern;Ruffled spleenwort
- Asplenium polyodon, Sickle Asplenium;Sicklefern;Sickle Spleenwort;Mares Tail Fern;Tarachia polyodon GForst CPresl;Asplenium adiantoides var polyodon GForst CChr;Trichomanes adiantoides L;Asplenium adiantoides L CChr;Asplenium adiantoides var normale Domin;Tarachia adiantoides L Nakai ex Tuyama;Asplenium cultratum Gaudich;Asplenium falcatum Lam;Tarachia falcata Lam CPresl;Asplenium falcatum var whittlei FMBailey;Asplenium adiantoides var whittlei FMBailey Domin;Asplenium adiantoides var fibrillosum Domin;Asplenium adiantoides var macrurum Domin;Sickle speenwort
- Asplenium resiliens, Black-stemmed spleenwort fern;Blackstem spleenwort
- Asplenium rhizophyllum, Walking fern
- Asplenium ruta-muraria, Wall-rue fern;Wallrue
- Asplenium septentrionale, Forked spleenwort fern;Forked spleenwort
- Asplenium serratum, Wild birdnest fern
- Asplenium trichomanes-dentatum, Toothed spleenwort fern;Toothed spleenwort
- Asplenium vespertinum, Western spleenwort fern;Western spleenwort
- Asplenium viviparum, Mother fern
- Asplenium xebenoides, Scotts spleenwort fern;Asplenium x ebenoides
- Athyrium alpestre, American alpine lady fern
- Athyrium filix-femina, Lady fern;Common ladyfern;Athyrium dombeyi;Athyrium filix-femina var dombeyi
- Athyrium goeringianum, Japanese painted fern
- Azolla caroliniana, Carolina mosquito fern;Eastern mosquito fern;Azolla cristata;Carolina mosquitofern
- Azolla filiculoides, Azolla;Red Azolla;Pacific Azolla;Azolla rubra RBr;Azolla magellanica Willd;Large mosquito fern;Pacific mosquitofern
- Azolla pinnata, Feathered mosquitofern;Mosquito Fern;Azolla Fern;Ferny Azolla;Water Velvet
- Belvisia mucronata, Tail Fern;Needletail Fern;Needle Fern;Hymenolepis mucronata Fee;Hymenolepis formosana
- Blechnum, Midsorus fern
- Blechnum appendiculatum, Palm fern
- Blechnum cartilagineum, Gristle Fern;Gristle-fern;Gristly;Blechnopsis cartilaginea Sw CPresl;Salpichlaena cartilaginea Sw Trevis;Spicanta cartilaginea Sw Kunze
- Blechnum divergens, Ravine midsorus fern;Lomaria divergens;Lomaria exaltata;Blechnum exaltatum
- Blechnum fluviatile, Ray Water Fern;Ray Water-fern;Spicanta fluviatilis RBr Kuntze;Stegania fluviatilis RBr;Lomaria fluviatilis RBr Spreng
- Blechnum fragile, Fragile midsorus fern
- Blechnum indicum, Swamp Water Fern;Blechnum striatum RBr;Blechnopsis striata RBr CPresl
- Blechnum insularum, Graceful midsorus fern
- Blechnum lineatum, Rockbank midsorus fern
- Blechnum minus, Soft Water Fern;Soft Water-fern;Stegania minor RBr;Lomaria minor RBr Desv;Lomaria minor RBr Spreng;Blechnum capense var minus RBr Domin;Lomaria procera var paludosa Rodway;Lomaria procera var minor RBr Hookf
- Blechnum norfolkianum, Norfolk Island Water Fern;Lomaria norfolkiana Heward;Blechnum lanceolatum var norfolkianum Heward Laing;Lomaria acuminata Baker;Spicanta acuminata Kuntze;Blechnum acuminatum Maiden
- Blechnum nudum, Fishbone Water Fern;Fishbone Water-fern;Onoclea nuda Labill;Stegania nuda Labill RBr;Lomaria nuda Labill Willd;Stegania falcata RBr;Lomaria discolor var bipinnatisecta FMuell;Lomaria discolor var bipinnatifida FMuell;Blechnum discolor var bipinnatifidum FMuell Domin;Blechnum discolor var nudum Labill Domin;Blechnum discolor var normale Domin
- Blechnum occidentale, Swamp fern;Hammock fern
- Blechnum patersonii, Strap Water Fern;Strap Water-fern;Stegania patersonii RBr;Lomaria patersonii RBr Spreng;Spicanta patersonii RBr Kuntze
- Blechnum pennamarina, Alpine Water Fern;Alpine Water-fern;Alpine water-fern;Polypodium penna-marina Poir;Struthiopteris penna-marina Poir Maxon & CVMorton;Lomaria penna-marina Trevis;Spicanta penna-marina Poir Kuntze
- Blechnum polypodioides, Narrowleaf midsorus fern;Asplenium blechnoides;Blechnum blechnoides;Blechnum unilaterale
- Blechnum serrulatum, Toothed midsorus fern;Blechnum indicum
- Blechnum wattsii, Hard Water-Fern;Hard Water Fern;Blechnum capense var vestitum Blume Domin;Blechnum capense subsp eucapense Domin;Lomaria vestita Blume;Blechnum vestitum Blume Kuhn
- Bommeria hispida, Copper fern
- Botrychium acuminatum, Pointed moonwort fern;Tailed grapefern
- Botrychium ascendens, Unswept moonwort fern;Trianglelobe moonwort
- Botrychium australe, Parsley Fern;Austral Moonwort;Botrychium ternatum var australe RBr Domin
- Botrychium biternatum, Southern grape fern;Sparselobe grapefern
- Botrychium boreale, Northern moonwort fern
- Botrychium campestre, Prairie moonwort fern;Iowa moonwort
- Botrychium echo, Echo moonwort fern;Reflected grapefern
- Botrychium gallicomontanum, Frenchmans bluff moonwort fern;Pteridophyta
- Botrychium hesperium, Western moonwort fern;Western moonwort
- Botrychium lunaria, Moonwort;Osmunda lunaria L;Common moonwort fern;Common moonwort
- Botrychium matricariifolium, Matricary grapefern;Daisy-leaf moonwort fern
- Botrychium minganense, Mingan moonwort fern;Pteridophyta
- Botrychium mormo, Goblin fern;Little goblin moonwort
- Botrychium oneidense, Oneida grape fern;Bluntlobe grapefern
- Botrychium pallidum, Pale moonwort fern;Pale botrychium
- Botrychium pedunculosum, Stalked moonwort fern;Stalked moonwort
- Botrychium pseudopinnatum, False northwestern moonwort fern;False daisyleaf moonwort
- Botrychium pumicola, Pumice moonwort fern;Pteridophyta
- Botrychium rugulosum, Rugulose grape fern;Ternate grapefern
- Botrychium spathulatum, Spatulate moonwort fern;Spathulate botrychium
- Botrychium virginianum, Rattlesnake fern;Botrychium virginianum var mexicanum
- Bowenia serrulata, Byfield Fern;Bowenia spectabilis var serrulata WBull;Bowenia spectabilis var serrata FMBailey
- Bowenia spectabilis, Zamia Fern
- Calochlaena dubia, Rainbow Fern;Common Ground-fern;Common Ground Fern;Davallia dubia RBr;Davallia dubia RBr var dubia;Trichomanes dubia RBr Poir;Dicksonia dubia RBr Gaudich;Sitobolium dubium RBr Brack;Balantium dubium RBr Copel;Culcita dubia RBr Maxon;Davallia cristatella Gand;Davallia muelleri Gand;Davallia tasmanica Gand;Hemitelia godeffroyi Luerss;Balantium brownianum CPresl;Culcita blepharodes Maxon
- Campyloneurum angustifolium, Narrow strap fern;Narrow strapfern;Polypodium angustifolium
- Campyloneurum costatum, Tailed strap fern;Tailed strapfern;Polypodium costatum
- Campyloneurum latum, Wide strap fern;Birdwing fern
- Campyloneurum phyllitidis, Long strap fern;Long strapfern;Polypodium phyllitidis;Campyloneurum costatum
- Cephalomanes bauerianum, Large Filmy Fern;Trichomanes bauerianum Endl;Trichomanes meifolium var bauerianum Endl Hook;Callistopteris baueriana Endl Copel;Callistopteris baldwinii Eaton Copel
- Ceratopteris pteridoides, Floating water fern;Floating antlerfern;Ceratopteris lockhartii;Parkeria pteridoides
- Ceratopteris thalictroides, Water Fern;Acrostichum thalictroides L;Indian fern;Watersprite;Acrostichum thalictroides
- Cheilanthes aemula, Texas lip fern;Rival lipfern
- Cheilanthes arizonica, Arizona lip fern;Pteridophyta
- Cheilanthes bonariensis, Bonaire lip fern;Golden lipfern
- Cheilanthes brownii, Woolly Cloak Fern;Gymnogramma brownii Kuhn;Notholaena vellea RBr;Notholaena brownii Desv
- Cheilanthes cooperae, Mrs coopers lip fern;Coopers lipfern
- Cheilanthes covillei, Covilles lip fern;Covilles lipfern
- Cheilanthes distans, Bristly Cloakfern;Bristly Cloak fern;Bristly Cloak Fern;Bristly Cloak-fern;Notholaena distans RBr;Eriochasma distans RBr Hereman;Acrostichum distans RBr Sm;Nothochlaena distans orth var FMuell sensu Mueller, FJH von 1853
- Cheilanthes eatonii, Eatons lip fern;Pteridophyta
- Cheilanthes feei, Slender lip fern;Slender lipfern
- Cheilanthes fendleri, Fendlers lip fern;Pteridophyta
- Cheilanthes lasiophylla, Wooly Cloak Fern;Woolly Cloak-fern;Woolly Cloak Fern;Notholaena canescens Kunze;Cheilanthes canescens Kunze Mett;Notholaena lasiopteris FMuell
- Cheilanthes pumilio, Dwarf Fern;Pteris pumilio Banks & Sol Ms sensu Quirk, HM, Chambers, TC & Regan, M 1983;Notholaena pumilio RBr;Cheilanthes paucijuga Baker;Cheilanthes cavernicola DLJones;Cheilanthes dunlopii DLJones;Notholaena paucijuga Baker
- Cheilanthes sieberi, Mulga Fern;Narrow Rock-fern;Rock Fern;Cheilanthes tenuifolia f gracilior Domin
- Cheilanthes tenuifolia, Rock Fern;Curly Fern;Trichomanes tenuifolia Burmf;Pteris humilis GForst;Cheilanthes humilis GForst PSGreen;Cheilanthes sciadioides Domin;Notholaena sciadioides Domin FMBailey;Cheilanthes queenslandica orth var Domin sensu Domin, K 1914;Cheilanthes shirleyana orth var Domin sensu Domin, K 1915;Cheilanthes shirleyana Domin HMQuirk & TCChambers
- Cheiroglossa palmata, Hand fern;Ophioglossum palmatum
- Christella dentata, Binung;Binung Soft Fern;Polypodium dentatum Forssk;Thelypteris dentata Forssk HStJohn;Cyclosorus dentatus Forssk Ching;Polypodium nymphale GForst;Cyclosorus nymphalis GForst Ching;Aspidium nymphale GForst Schkuhr;Polypodium molle Jacq;Aspidium molle Sw;Nephrodium molle Sw RBr;Nephrodium remotum Heward
- Cnemidaria horrida, Deepwoods fern
- Cnemidaria petiolata, Tree fern
- Comptonia peregrina, Sweet fern;Sweetfern
- Crepidomanes endlicherianum, Middle Filmy Fern;Trichomanes endlicherianum CPresl;Crepidophyllum endlicheranum CPresl CFReed;Crepidopteris endlicheriana CPresl Copel;Reediella endlicheriana CPresl PicSerm;Trichomanes humile var beta Baker
- Crepidomanes saxifragoides, Small Filmy Fern;Trichomanes saxifragoides CPresl;Gonocormus saxifragoides CPresl Bosch
- Cryptogramma crispa, Parsley fern
- Ctenopteris heterophylla, Gypsy Fern;Gipsy Fern;Polypodium grammitidis RBr;Grammitis heterophylla Labill;Xiphopteris heterophylla Labill Spreng;Polypodium billardierei Fee;Grammitis grammitidis RBr Keyserl;Ctenopteris grammitidis RBr JSm;Gymnogramma billardierei Kaulf
- Cyathea australis, Rough Tree Fern;Rough Tree-fern;Rough Treefern;Alsophila australis RBr;Alsophila australis var glauca FMBailey;Alsophila loddigesii Kunze;Cyathea loddigesii Kunze Domin;Rough tree fern
- Cyathea baileyana, Wig Tree Fern;Alsophila rebeccae var commutata FMBailey;Alsophila baileyana Domin
- Cyathea brownii, Farn;Norfolk Tree fern;Alsophila excelsa RBr ex Endl;Alsophila excelsa RBr ex Endl var excelsa;Sphaeropteris excelsa RBr ex Endl RMTryon;Alsophila robusta var norfolkiana RMLaing
- Cyathea cooperi, Rough Tree fern;Straw Treefern;Rough Tree Fern;Alsophila cooperi Hook ex FMuell;Alsophila excelsa var cooperi FMuell Domin;Sphaeropteris cooperi Hook ex FMuell RMTryon;Alsophila hilliana FMuell;Alsophila australis var cervicalis FMBailey;Cyathea australis var cervicalis FMBailey Domin;Cyathea australis var pallida FMBailey Domin;Alsophila australis var pallida FMBailey;Alsophila australis var excelsa FMBailey;Alsophila cooperi Hook & Baker;Cyathea brownii var cooperi FMuell Domin;Coopers cyathea;Sphaeropteris cooperi
- Cyathea cunninghamii, Slender Tree Fern;Slender Treefern;Slender Tree-fern;Alsophila cunninghamii Hookf RMTryon;Cyathea boylei FMuell ex French
- Cyathea leichhardtiana, Prickly Tree Fern;Prickly Treefern;Prickly Tree-fern;Alsophila leichhardtiana FMuell;Alsophila leichhardtiana FMuell var leichhardtiana;Hemitelia australis CPresl;Amphicosmia australis CPresl TMoore;Sphaeropteris australis CPresl RMTryon;Cyathea australis RBr Domin;Alsophila moorei JSm;Alsophila macarthurii Hook
- Cyathea x marcescens, Skirted Tree-fern;Skirted Tree fern;Alsophila marcescens NAWakef RMTryon
- Cyatheaceae, Tree ferns
- Cyclopeltis semicordata, Lime fern;Polypodium semicordatum
- Cyrtomium falcatum, Holly Fern;Polypodium falcatum Lf;Phanerophlebia falcata Lf Copel;Japanese netvein hollyfern
- Cystopteris tasmanica, Brittle Bladder Fern;Brittle Bladder-fern;Cystopteris fragilis var tasmanica Hook Hookf
- Davallia fejeensis, Rabbits foot fern
- Dennstaedtia, Hayscented fern
- Dennstaedtia bipinnata, Cuplet fern
- Dennstaedtia cicutaria, Tropical hayscented fern
- Dennstaedtia davallioides, Lacy Ground Fern;Lacy Ground-fern;Dicksonia davallioides RBr;Sitobolium davallioides RBr JSm;Dicksonia nitidula Kunze;Dennstaedtia nitidula Kunze TMoore;Davallia dicksonioides FMuell
- Dennstaedtia globulifera, Southern hayscented fern
- Dennstaedtia obtusifolia, Bluntleaf hayscented fern
- Dennstaedtia punctilobula, Eastern hayscented fern
- Deparia kaalaana, Serpent fern
- Dicksonia, Tree fern
- Dicksonia antarctica, Soft Tree Fern;Soft Treefern;Soft Tree-fern;The Common Tree Fern;Woolly Fern-tree;Balantium antarcticum Labill CPresl;Cibotium billardierei Kaulf;Cibotium billardieri orth var Kaulf;Dicksonia billardierei Kaulf FMuell;Pteridophyta
- Diplazium, Twinsorus fern
- Diplazium assimile, Upside-down Fern;Upside-Down Fern;Asplenium assimile Endl;Athyrium assimile Endl CPresl;Asplenium umbrosum var assimile Endl Hook & Baker;Diplazium umbrosum var assimile Endl Bedd;Asplenium umbrosum var tenerum FMBailey
- Diplazium australe, Austral Lady Fern;Large Upside-Down Fern;Allantodia australis RBr;Asplenium australe RBr Brack;Athyrium australe RBr CPresl;Asplenium brownii JSm;Athyrium umbrosum var australe RBr Domin;Diplazium umbrosum var australe RBr Bedd
- Diplazium centripetale, Royal twinsorus fern;Asplenium centripetale
- Diplazium cristatum, Crested twinsorus fern;Diplazium arboreum;Diplazium shepherdii;Meniscium cristatum;Asplenium arboreum
- Diplazium esculentum, Hemionitis esculenta Retz;Asplenium esculentum Retz CPresl;Anisogonium esculentum Retz CPresl;Microstegia esculenta Retz CPresl;Callipteris esculenta Retz JSm;Digrammaria esculenta Retz Fee;Athyrium esculentum Retz Copel;Diagrammaria esculenta orth var DLJones sensu Jones, DL 1998;Vegetable fern
- Diplazium expansum, Great fern
- Diplazium grandifolium, Largeleaf twinsorus fern;Asplenium grandifolium
- Diplazium hymenodes, Peacock fern
- Diplazium lonchophyllum, Lanceleaf twinsorus fern
- Diplazium molokaiense, Pteridophyta;Molokai twinsorus fern
- Diplazium plantaginifolium, Plantainleaf twinsorus fern;Asplenium plantaginifolium
- Diplazium pycnocarpon, Glade fern
- Diplazium riedelianum, Pteridophyta;Riedels twinsorus fern
- Diplazium sandwichianum, Pteridophyta;Hawaii twinsorus fern
- Diplazium striatum, Striped twinsorus fern
- Diplazium unilobum, Singlelobe twinsorus fern
- Diplopterygium pinnatum, Scrambling fern
- Doodia aspera, Prickly Rasp fern;Prickly Rasp-fern;Rasp Fern;Rough Doodia;Woodwardia aspera RBr Mett
- Doodia australis, Common Rasp Fern;Doodia media subsp australis Parris
- Doodia caudata, Small Raspfern;Small Rasp Fern;Woodwardia caudata Cav;Doodia aspera var caudata Cav FMBailey;Doodia rupestris Kaulf ex Link;Doodia media var moorei Baker;Doodia media var caudata Cav GMThomson
- Doodia kunthiana, Kunths hacksaw fern
- Doodia lyonii, Pteridophyta;Lyons hacksaw fern
- Doodia maxima, Giant Rasp Fern;Doodia blechnoides ACunn;Woodwardia blechnoides ACunn Mett;Doodia aspera var blechnoides FMBailey
- Doodia media, Common Rasp Fern;Woodwardia media RBr Fee;Doodia caudata var media RBr Benth;Doodia caudata var triloba FMuell;Doodia caudata f triloba FMuell Domin
- Doryopteris angelica, Kauai digit fern
- Doryopteris decora, Lance fern;Cheilanthes decora
- Doryopteris pedata, Digit fern
- Drynaria quercifolia, Oakleaf Fern;Oak-leaf Fern;Polypodium quercifolium L;Polypodium quercifolium var normale FMBailey;Polypodium quercifolium L var quercifolium;Phymatodes quercifolia L CPresl
- Drynaria rigidula, Oakleaf fern;Basket Fern;Drynaria diversifolia RBr JSm;Polypodium diversifolium RBr;Polypodium rigidulum var vidgenii FMBailey;Polypodium rigidulum var cristatum FMBailey;Polypodium rigidulum var diversipinnae FMBailey;Polypodium rigidulum var whitei FMBailey;Polypodium rigidulum Sw
- Dryopteris celsa, Log fern
- Dryopteris erythrosora, Autumn fern;Japanese wood fern;Japanese shield fern
- Dryopteris filix-mas, Male fern
- Eriosorus hispidulus, Chestnuthair fern;Eriosorus schomburgkianus;Gymnogramma ottonis;Jamesonia hispidula;Eriosorus ottonis;Gymnogramma schomburgkiana;Gymnogramma hispidula
- Fadyenia hookeri, Dotted fern
- Gleichenia dicarpa, Wiry Coral Fern;Pouched Coral-fern;Mertensia dicarpa RBr Poir;Platyzoma dicarpum RBr Desv;Calymella dicarpa RBr CPresl;Calymella major Nakai
- Goniophlebium subauriculatum, White Grub Fern;Caterpillar Fern;Polypodium subauriculatum Blume;Schellolepis subauriculata Blume JSm
- Grammitis billardierei, Finger Fern;Common Finger-fern;Polypodium billardierei Willd CChr;Polypodium scandens Labill;Grammitis australis RBr;Polypodium australe RBr Mett;Polypodium australe RBr Poir;Grammitis meridionalis Parris
- Hecistopteris pumila, Moss fern;Gymnogramme pumila
- Helminthostachys zeylanica, Flowering Fern;Osmunda zeylanica L;Kamraj
- Histiopteris incisa, Oak fern;Bat-Wing Fern;Bats Wing Fern;Bats-wing Fern;Pteris incisa Thunb;Litobrochia incisa Thunb CPresl;Phegopteris incisa Thunb Keyserl;Pteris vespertilionis Labill;Litobrochia vespertilionis Labill CPresl;Histiopteris vespertilionis Labill JSm;Pteris australasica Desv;Pteris brunoniana Endl;Batwing fern;Pteris incisa
- Huperzia carinata, Keeled tassel Fern;Tassel ferns;Lycopodium carinatum Desv ex Poir
- Huperzia filiformis, RatsTail Tassel Fern;Lycopodium filiforme Sw;Lycopodium polytrichoides Kaulf;Stringleaf clubmoss;Lycopodium tortile
- Huperzia phlegmaria, Common Tassel Fern;Coarse Tassel Fern;Lycopodium phlegmaria L;Lycopodium phlegmaria L var phlegmaria;Lycopodium phlegmaria var longibracteatum Domin
- Huperzia phlegmarioides, Layered Tassel Fern;Lycopodium phlegmarioides Gaudich;Lycopodium tetrapterygium FMBailey
- Huperzia prolifera, Square Tassel Fern;Lycopodium proliferum Blume
- Huperzia squarrosa, Water Tassel Fern;Lycopodium squarrosum GForst;Lycopodium squarrosum GForst f squarrosum;Lycopodium squarrosum f hippuroides Alderw
- Hymenophyllum, Filmy fern
- Hymenophyllum asplenioides, Pteridophyta;Caribbean filmy fern;Mecodium asplenioides;Trichomanes asplenioides
- Hymenophyllum axillare, Axillary filmy fern
- Hymenophyllum brevifrons, Pteridophyta;Antilles filmy fern
- Hymenophyllum cupressiforme, Common Filmy Fern;Common Filmy-fern;Hymenophyllum tunbridgense var cupressiforme Labill Hookf;Hymenophyllum antarcticum CPresl
- Hymenophyllum decurrens, Pteridophyta;Sierra de Luquillo filmy fern;Hymenophyllum schomburgkii
- Hymenophyllum fendlerianum, Twisted filmy fern;Hymenophyllum undulatum var fendlerianum;Hymenophyllum amoenum;Sphaerocionium crispum var amoenum;Mecodium fendlerianum
- Hymenophyllum flabellatum, Shiny Filmy Fern;Shiny Filmy-fern;Mecodium flabellatum Labill Copel;Hymenophyllum nitens RBr;Trichomanes nitens RBr Poir
- Hymenophyllum fragile, Fragile filmy fern
- Hymenophyllum fucoides, Graceful filmy fern;Trichomanes fucoides
- Hymenophyllum hirsutum, Hairy filmy fern;Hymenophyllum surinamense;Hymenophyllum ciliatum var ornifolium;Hymenophyllum ciliatum;Trichomanes ciliatum;Trichomanes hirsutum;Sphaerocionium hirsutum
- Hymenophyllum lanatum, Woolly filmy fern
- Hymenophyllum lineare, Longtom filmy fern
- Hymenophyllum macrothecum, Mountain filmy fern
- Hymenophyllum marginatum, Bordered Filmy Fern;Pachyloma marginatum Hook & Grev ADChapm;Craspedophyllum marginatum Hook & Grev Copel
- Hymenophyllum microcarpum, Creeping filmy fern;Mecodium microcarpum;Sphaerocionium microcarpum
- Hymenophyllum paucicarpum, Jamaican filmy fern
- Hymenophyllum peltatum, Alpine Filmy Fern;Alpine Filmy-fern;Trichomanes peltatum Baker;Hymenophyllum unilaterale Willd;Hymenophyllum meyeri CPresl
- Hymenophyllum polyanthos, Smooth filmy fern;Trichomanes polyanthos;Mecodium polyanthos;Hymenophyllum costaricanum
- Hymenophyllum rarum, Narrow Filmy Fern;Narrow Filmy-fern;Mecodium rarum RBr Copel;Hymenophyllum gunnii Hook & Baker;Trichomanes rarum RBr Poir
- Hymenophyllum tegularis, Elegant filmy fern;Hymenophyllum elegantulum
- Hymenophyllum undulatum, Wavy filmy fern
- Hypoderris brownii, Hairvein fern
| - Hypolepis amaurorachis, Austral Ground Fern;Austral Ground-fern;Cheilanthes amaurorhachis Kunze;Hypolepis australis NAWakef
- Hypolepis dicksonioides, Brake Fern;Ground Fern;Cheilanthes dicksonioides Endl;Hypolepis endlicheriana CPresl
- Hypolepis rugosula, Ruddy Ground Fern;Ruddy Ground-fern;Polypodium rugosulum Labill;Polypodium punctatum var rugosulum Labill Hook & Baker;Dryopteris punctata subsp rugosula Labill CChr;Dryopteris punctata var rugosula Labill Domin
- Lastreopsis acuminata, Glossy Shield Fern;Shiny Shield Fern;Shiny Shield-fern;Lastrea acuminata Houlston;Aspidium shepherdii Kunze ex Mett;Dryopteris shepherdii Mett CChr;Lastreopsis shepherdii Kunze ex Mett Tindale;Nephrodium shepherdii Mett Fee;Lastrea atrovirens JSm;Dryopteris acuminata var cristata Watts;Aspidium acuminatum EJLowe;Dryopteris acuminata EJLowe Watts
- Lastreopsis decomposita, Trim Shield Fern;Nephrodium decompositum RBr;Aspidium decompositum RBr Spreng;Lastrea decomposita RBr JSm;Dryopteris decomposita RBr Kuntze;Parapolystichum decompositum RBr Ching;Ctenitis decomposita RBr Copel;Nephrodium lancilobum Baker;Lastrea lanciloba Baker JSm;Dryopteris lanciloba Baker Kuntze;Dryopteris decomposita var angustiloba Domin;Dryopteris decomposita RBr Kuntze var decomposita;Dryopteris decomposita var latiloba Domin;Dryopteris decomposita var leiorhachis Domin;Aspidium decompositum var angustilobum Domin FMBailey;Aspidium decompositum RBr Spreng var decompositum;Aspidium decompositum var latilobum Domin FMBailey
- Lastreopsis hispida, Bristly Shield Fern;Bristly Shield-fern;Aspidium hispidum Sw;Polystichum hispidum Sw JSm;Lastrea hispida Sw TMoore & Houlston;Nephrodium hispidum Sw Hook;Dryopteris hispida Sw Kuntze;Rumohra hispida Sw Copel
- Lastreopsis marginans, Glossy Shield fern;Bordered Shield Fern;Aspidium decompositum var marginans FMuell
- Lastreopsis microsora, Creeping Shield Fern;Creeping Shield-fern;Nephrodium microsorum Endl;Lastrea microsora Endl CPresl
- Lastreopsis munita, Naked Shield Fern;Phegopteris munita Mett;Polypodium aspidioides FMBailey;Polypodium aspidioides FMBailey var aspidioides;Dryopteris queenslandica Domin;Dryopteris baileyi Maiden & Betche
- Lastreopsis silvestris, Mountain Shield Fern;Davallia dubia var hirsuta FMBailey
- Lastreopsis tenera, Broad Shield Fern;Nephrodium tenerum RBr;Aspidium tenerum RBr Spreng;Aspidium decompositum var tenerum RBr FMuell;Dryopteris tenera RBr CChr;Ctenitis tenera RBr Copel
- Lecanopteris sinuosa, Ant Fern;Polypodium sinuosum Wall ex Hook;Phymatodes sinuosa Wall ex Hook JSm;Myrmecopteris sinuosa Wall ex Hook PicSerm
- Lepisorus thunbergianus, Weeping fern
- Lindsaea, Necklace fern
- Lindsaea ensifolia, Schizoloma ensifolium Sw JSm;Schizolegnia ensifolia Sw Alston;Graceful necklace fern
- Lindsaea lancea, Woodland necklace fern;Lindsaea nitidissima;Lindsaea falcata var lancea;Lindsaea trapeziformis;Adiantum lancea
- Lindsaea linearis, Screw Fern;Adiantum lineare Sw Poir;Lindsaea trilobata Colenso;Lindsaea lunata Willd
- Lindsaea microphylla, Lacy Wedge Fern;Lacy Wedge-fern;Adiantum microphyllum Sw Poir;Odontosoria microphylla Sw JSm;Schizoloma microphyllum Sw Kuhn;Sphenomeris microphylla Sw Tardieu;Lindsaya microphylla var gracilescens orth var Domin;Stenoloma lindsayoides Fee
- Lindsaea portoricensis, Pteridophyta;Puerto Rico necklace fern;Lindsaea rufescens;Lindsaea crenata
- Lindsaea quadrangularis, Mountain necklace fern
- Lindsaea repens, Lindsaea sessilis Copel;Dicksonia repens Bory;Creeping necklace fern
- Lindsaea stricta, Smallstalk necklace fern;Adiantum strictum;Lindsaea raddiana;Lindsaea rigescens
- Lindsaea trichomanoides, Oval Wedge Fern;Oval Wedge-fern;Adiantum trichomanoides Dryand Poir;Schizoloma trichomanioides Dryand Kuhn;Adiantum cuneatum GForst;Lindsaea cuneata GForst CChr;Lindsaea lessonii Bory;Lindsaea cuneata var lessonii Bory Crookes
- Lomagramma guianensis, Pteridophyta;Guiana fern;Leptochilus guianensis;Polypodium guianense;Bolbitis guianensis
- Lonchitis hirsuta, Tomato fern
- Lophosoria quadripinnata, Diamondleaf fern
- Lycopodiella cernua, Club Moss;Scrambling Clubmoss;Coral Fern;Lycopodium cernuum L;Staghorn clubmoss;Lycopodium cernuum;Lepidotis cernua;Palhinhaea cernua;Palhinhaea capillacea;Lycopodium cernuum var capillaceum;Lycopodium capillaceum;Lycopodium cernuum L var cernuum
- Lygodium, Climbing fern
- Lygodium flexuosum, Ophioglossum flexuosum L;Ophioglossum scandens L;Lygodium scandens L Sw;Lygodium semibipinnatum RBr;Hydroglossum scandens L Willd;Climbing Fern
- Lygodium japonicum, Japanese Climbing Fern;Ophioglossum japonicum Thunb;Japanese climbing fern
- Lygodium microphyllum, Climbing Maidenhair;Snake Fern;Climbing Maidenhair Fern;Ugena microphylla Cav;Small-leaf climbing fern
- Lygodium palmatum, Climbing fern;Pteridophyta
- Macrothelypteris polypodioides, Taiwanese Tree fern;Alsophila polypodioides Hook;Lastrea leucolepis CPresl;Dryopteris leucolepis CPresl Maxon
- Macrothelypteris torresiana, Polystichum torresianum Gaudich;Thelypteris torresiana Gaudich Alston;Aspidium uliginosum Kunze;Thelypteris uliginosa Kunze Ching;Swordfern;Mariana Maiden Fern;Thelypteris torresiana
- Marattia, Potato fern
- Marattia douglasii, Pteridophyta;Hawaii potato fern
- Marattia howeana, King Fern;Horse Shoe Fern;Marattia fraxinea var howeana WRBOliv;Ptisana howeana WRBOliv Murdock;Marattia salicina subsp nov
- Marattia laevis, Smooth potato fern;Marattia pittieri
- Marattia salicina, King Fern;Marattia fraxinea var salicina Sm Domin;Ptisana salicina Sm Murdock;Marattia elegans Endl
- Matteuccia, Ostrich fern
- Matteuccia struthiopteris, Ostrich fern
- Microlepia mauiensis, Maui fern
- Microlepia speluncae, Polypodium speluncae L;Aspidium speluncae L Willd;Davallia speluncae L Baker;Davallia flaccida RBr;Trichomanes flaccida RBr Poir;Microlepia flaccida RBr JSm;Dicksonia polypodioides Sw;Limpleaf fern
- Microsorum grossus, Musk fern;Phymatosaurus grossus;Phymatosoros grossus
- Microsorum musifolium, Crocodile fern
- Microsorum pustulatum, Kangaroo Fern;Polypodium pustulatum GForst;Phymatosorus pustulatus GForst Large, Braggins & PSGreen;Phymatosorus pustulatum orth var Large, Braggins & PSGreen;Phymatodes pustulata GForst CPresl;Pleopeltis pustulata GForst TMoore
- Microsorum scandens, Fragrant Fern;Polypodium scandens GForst;Polypodium scandens GForst var scandens;Polypodium pustulatum var scandens GForst Bonap;Phymatodes scandens GForst CPresl;Drynaria scandens GForst Fee;Phymatosorus scandens GForst PicSerm
- Microsorum scolopendria, Phymatosorus scolopendria Burmf PicSerm;Polypodium phymatodes L;Pleopeltis phymatodes L TMoore;Phymatodes scolopendria Burmf Ching;Polypodium scolopendria Burmf;Phymatodes phymatodes L Maxon;Monarch fern;Phymatosaurus scolopendria;Phymatosoros scolopendria
- Microsorum spectrum, Triploid fern;Phymatosaurus spectrum;Phymatosoros spectrum
- Nephelea cuspidata, Tree fern
- Nephrolepis biserrata, Broad Sword Fern;Aspidium biserratum Sw;Aspidium acutum Schkuhr;Nephrolepis acuta Schkuhr CPresl;Aspidium exaltatum var longipinna Benth;Nephrolepis rufescens Schrad Wawra;Nephrodium rufescens Schrad;Nephrolepis hirsutula var rufescens Schrad Bonap;Giant swordfern;Aspidium biserratum
- Nephrolepis cordifolia, Sword Fern;Herringbone Fern;Fishbone Fern;Pop-Rock Fern;Fishbone fern;Aspidium tuberosum Bory ex Willd;Nephrolepis tuberosa Bory ex Willd CPresl sensu Hooker, JD 1864;Nephrolepis radicans var cavernicola Domin;Aspidium volubile var cavernicolum Domin FMBailey;Polypodium cordifolium L;Aspidium cordifolium L Sw;Aspidium cordifolium var tambourinense Domin FMBailey;Nephrolepis auriculata L Trimen;Narrow swordfern;Nephrolepis pendula;Aspidium pendulum
- Nephrolepis flexuosa, Pop Rock fern;Nephrolepis aff cordifolia sensu Webb, CJ , Sykes, WR & Garnock-Jones, PJ 1988
- Nephrolepis multiflora, Scurfy Sword Fern;Davallia multiflora Roxb;Pteridophyta;Asian swordfern
- Neurodium lanceolatum, Ribbon fern;Paltonium lanceolatum
- Niphidium crassifolium, Graceful fern;Polypodium crassifolium;Pessopteris crassifolia
- Notholaena aliena, Foreign cloak fern
- Notholaena aschenborniana, Scaled cloak fern
- Notholaena nealleyi, Nealleys cloak fern
- Notholaena standleyi, Star cloak fern
- Notholaena trichomanoides, Rockslope cloak fern
- Oenotrichia tripinnata, Hairy Lace Fern;Davallia tripinnata Benth;Leptolepia tripinnata Benth Kuhn
- Oleandra, Oleander fern
- Oleandra articulata, Oleander fern;Oleandra nodosa;Aspidium nodosum;Aspidium articulatum
- Onoclea sensibilis, Sensitive fern
- Ophioglossaceae, Adders Tongue;Grape Fern;Moonworts;Moonworts family
- Ophioglossum engelmannii, Limestone adders tongue fern;Limestone adderstongue
- Ophioglossum pendulum, Ribbon Fern;Old Pteridophyta;Ophioderma pendulum;Ophioderma pendula
- Osmunda cinnamomea, Cinnamon fern;Osmundastrum cinnamomeum
- Osmunda claytoniana, Interrupted fern
- Osmunda regalis, Royal fern
- Pecluma consimilis, Montane rockcap fern;Polypodium consimile
- Pecluma dispersa, Widespread rockcap fern
- Pecluma pectinata, Combleaf rockcap fern;Polypodium pectinatum
- Pecluma plumula, Plumed rockcap fern;Polypodium plumulum;Polypodium plumula
- Pecluma ptilodon, Palmleaf rockcap fern;Pellaea ptilodon
- Pellaea falcata, Sickle Fern;Pteris falcata RBr;Platyloma falcata RBr JSm;Allosorus falcatus RBr Kunze;Platyloma falcata RBr JSm var falcata;Platyloma falcata var caudata EJLowe
- Pellaea nana, Dwarf Sickle Fern;Pellaea falcata var nana Hook;Platyloma falcata var nana Hook FMBailey;Pteris falcata var nana FMBailey
- Pellaea rotundifolia, Pteris rotundifolia GForst;Platyloma rotundifolia GForst JSm;Button fern
- Pentagramma pallida, Pale silverback fern
- Pentagramma triangularis, Goldback fern
- Phymatosorus grossus, Musk fern
- Phymatosorus scolopendria, Monarch fern
- Pilea microphylla, Artillery Plant;Military Fern;Parietaria microphylla L;Pilea serpyllifolia Poir Wedd;Parietaria serpyllifolia Poir;Artillery-plant;Rockweed
- Pityrogramma, Goldback fern
- Pityrogramma austroamericana, Leatherleaf goldback fern
- Pityrogramma calomelanos, Acrostichum calomelanos L;Gymnogramma calomelanos L Kaulf;Pteridophyta;Dixie silverback fern;Ceratopteris calomelanos;Acrostichum calomelanos
- Pityrogramma chrysophylla, Island goldback fern
- Pityrogramma ebenea, Mountain silverback fern
- Pityrogramma sulphurea, Jamaican goldback fern
- Pityrogramma trifoliata, Threeleaf goldback fern
- Platycerium bifurcatum, Elkhorn Fern;Staghorn fern;Elk Horn;Acrostichum bifurcatum Cav;Alcicornium bifurcatum Cav Underw;Platycerium angustatum Desv;Platycerium alcicorne var subrhomboideum Domin FMBailey;Platycerium alcicorne var lanciferum Domin FMBailey;Elkhorn fern
- Platycerium hillii, Northern Elkhorn Fern;Platycerium bifurcatum var hillii TMoore Domin;Platycerium alcicorne var hillii TMoore FMBailey;Alcicornium hillii TMoore Underw
- Platycerium superbum, Staghorn Fern;Staghorn;Platycerium grande var tamburinense Domin;Staghorn fern
- Platyzoma microphyllum, Braid fern;Braid Fern;Gleichenia platyzoma FMuell
- Pleopeltis astrolepis, Starscale fern;Polypodium lanceolatum;Polypodium astrolepis;Pleopeltis revoluta;Grammitis revoluta
- Pleopeltis polypodioides, Resurrection fern;Polypodium polypodioides;Marginaria polypodioides;Acrostichum polypodioides
- Pleurosorus rutifolius, Blanket Fern;Grammitis rutifolia RBr;Gymnogramma rutifolia RBr Desv;Gymnogramma rutifolia var australasica Hook;Ceterach rutaefolium RBr Mett;Gymnogramma pozoi var rutaefolia RBr Baker
- Pleurosorus subglandulosus, Blanket Fern;Clubbed Blanket Fern;Gymnogramma subglandulosa Hook & Grev;Pleurosorus cuneatus Fee
- Pneumatopteris hudsoniana, Pteridophyta;Hudsons air fern
- Pneumatopteris pennigera, Lime Fern;Polypodium pennigerum GForst;Dryopteris pennigera GForst CChr;Cyclosorus penniger GForst Ching;Cyclosorus pennigerus orth var Ching;Thelypteris pennigera GForst Allan
- Pneumatopteris sandwicensis, Pteridophyta;Hawaii air fern
- Polypodiaceae, Polipody Ferns;Polypody
- Polypodium crassifolia, Polypody Fern
- Polypodium glycyrrhiza, Licorice fern
- Polypodium panama_sp_1, Polypody Fern
- Polypodium triseriale, Anglevein fern;Polypodium brasiliense;Goniophlebium triseriale;Polypodium neriifolium
- Polypodium virginianum, Rockcap fern;Rock polypody
- Polystichum acrostichoides, Christmas Fern;Pteridophyta;Christmas fern
- Polystichum proliferum, Mother Shield Fern;Mother shield-fern;Mother Shield-fern;Aspidium proliferum RBr;Hypopeltis prolifera RBr Bory;Polystichum aculeatum var proliferum RBr Domin
- Pseudophegopteris keraudreniana, False beech fern
- Psilotaceae, Whisk Ferns
- Psilotum, Whisk fern
- Psilotum complanatum, Flat Fork Fern;Psilotum flaccidum Wall ex Hook & Grev;Flatfork fern
- Psilotum nudum, Skeleton Fork Fern;Skeleton Forkfern;Skeleton Fork-Fern;Skeleton Fork-fern;Psilotum triquetrum var fallacinum Domin;Bernhardia novae-hollandiae MullBerol;Lycopodium nudum L;Psilotum triquetrum Sw;Psilotum flabellatum Gand;Whisk fern;Psilotum triquetrum;Lycopodium nudum
- Pteris, Brake fern
- Pteris tremula, Tender Brakefern;Tender Brake;Tender Bracken Fern;Pteris arguta var tremula RBr Luerss;Pteridophyta
- Pyrrosia confluens, Felt Fern;Horseshoe Felt Fern;Polypodium confluens RBr;Cyclophorus confluens RBr CChr;Drymoglossum carnosum JSm sensu Smith, J 1841;Drymoglossum cunninghamii TMoore;Niphobolus ovalis CPresl;Craspedaria ovalis CPresl CPresl sensu Presl, CB KB 1851;Niphobolus confluens RBr Spreng
- Pyrrosia rupestris, Rock Felt Fern;Rock Felt-fern;Polypodium rupestre RBr;Niphobolus rupestris RBr Spreng;Cyclophorus rupestris RBr CChr;Cyclophorus serpens var rupestris RBr Domin
- Rumohra adiantiformis, Shield Hares-foot;Leathery Shield-fern;Polypodium adiantiformis GForst;Polystichum adiantiforme GForst JSm;Dryopteris adiantiformis GForst Kuntze;Polystichum coriaceum Schott;Iron fern;Polystichum capense;Polypodium adiantiforme;Polystichum adiantiforme;Lastrea adiantiformis;Aspidium capense
- Saccoloma inaequale, Forest soralpouch fern;Ithycaulon inaequale;Orthiopteris inaequalis;Davallia inaequalis
- Sadleria cyatheoides, Amaumau fern
- Sadleria souleyetiana, Longleaf plume fern
- Sadleria squarrosa, Forest plume fern
- Schizaea, Curlygrass fern
- Schizaea bifida, Rough Comb Fern;Forked Comb Fern;Forked Comb-fern;Acrostichum bifidum Willd Poir;Schizaea asperula NAWakef
- Schizaea dichotoma, Branched Comb Fern;Branched Comb-fern;Acrostichum dichotomum L;Schizaea forsteri Spreng
- Schizaea fistulosa, Narrow Comb Fern;Narrow Comb-fern;Acrostichum fistulosum Labill Poir;Microschizaea fistulosa Labill CFReed;Schizaea australis Gaudich
- Schizaea fluminensis, Pteridophyta;Caribbean curlygrass fern
- Schizaea poeppigiana, Epiphytic curlygrass fern;Lophidium poeppigianum
- Schizaea pusilla, Little curlygrass fern
- Schizaea robusta, Robust curlygrass fern
- Stenochlaena palustris, Climbing Swamp Fern;Polypodium palustre Burmf;Onoclea scandens Sw;Stenochlaena scandens Sw JSm;Acrostichum scandens Hook
- Stenochlaena tenuifolia, Giant vine fern
- Sticherus bifidus, Pteridophyta;Mexican umbrella fern;Gleichenia bifida;Dicranopteris bifida;Mertensia pubescens;Sticherus pubescens;Mertensia bifida
- Sticherus brevipubis, Clothed umbrella fern;Gleichenia brevipubis
- Sticherus flabellatus, Umbrella Fern;Shiny Fan-fern;Gleichenia flabellata RBr;Mertensia flabellata RBr Poir
- Sticherus lobatus, Spreading Fan Fern;Spreading Shield Fern;Gleichenia lobata Wakef SLThrower
- Sticherus tener, Silky Fan Fern;Silky Fan-Fern;Sticherus tenerus orth var Ching;Gleichenia tenera RBr;Mertensia tenera RBr Poir;Gleichenia flabellata var tenera RBr Hookf
- Taenitis pinnata, Morse Fern;Syngramma pinnata JSm;Dictyogramme pinnata JSm TMoore;Gymnogramma pinnata var polypodioides Baker;Grammitis pinnata JSm FMuell;Gymnogramma pinnata JSm Hook
- Tanacetum vulgare, Common Tansy;Chrysanthemum vulgare L Bernh;Tanacetum boreale Fisch ex Dc;Chrysanthemum vulgare (L) Bernh non (Lam) Gaterau;Common tansy;Ginger Plant;Parsley Fern;Bitter Buttons;Hindhead
- Tectaria, Halberd fern
- Tectaria cicutaria, Button fern
- Tectaria fimbriata, Least halberd fern
- Tectaria gaudichaudii, Pteridophyta;Gaudichauds halberd fern
- Tectaria heracleifolia, Broad halberd fern
- Tectaria incisa, Incised halberd fern;Tectaria martinicensis;Aspidium martinicense
- Tectaria plantaginea, Plantainleaf halberd fern
- Tectaria trifoliata, Threeleaf halberd fern;Aspidium plumieri;Polypodium trifoliatum
- Thelypteris, Maiden fern
- Thelypteris abrupta, Fairybit maiden fern;Dryopteris pyramidata;Dryopteris subcuneata;Nephrodium subcuneatum;Polypodium abruptum;Goniopteris pyramidata
- Thelypteris angustifolia, Broadleaf maiden fern
- Thelypteris augescens, Abrupttip maiden fern
- Thelypteris balbisii, Pteridophyta;Balbis maiden fern;Dryopteris mercurii;Thelypteris sprengelii;Dryopteris balbisii;Thelypteris mercurii;Polypodium balbisii;Aspidium sprengelii
- Thelypteris cheilanthoides, Lip maiden fern
- Thelypteris cordata, Heartleaf maiden fern
- Thelypteris cyatheoides, Lacy maiden fern
- Thelypteris decussata, Glandular maiden fern;Dryopteris decussata;Polypodium decussatum;Glaphyropteris decussata
- Thelypteris deltoidea, Deltoid maiden fern
- Thelypteris dentata, Downy maiden fern
- Thelypteris germaniana, Pteridophyta;Germans maiden fern;Nephrodium subfuscum
- Thelypteris globulifera, Globular maiden fern
- Thelypteris grandis, Stately maiden fern
- Thelypteris hastata, Arrowhead maiden fern
- Thelypteris hildae, Limestone maiden fern
- Thelypteris hispidula, Roughhairy maiden fern;Thelypteris quadrangularis;Dryopteris dentata;Dryopteris quadrangularis;Nephrodium quadrangulare;Aspidium hispidulum;Christella hispidula
- Thelypteris inabonensis, Cordillera maiden fern
- Thelypteris interrupta, Pteridophyta;Willdenows maiden fern;Aspidium gongylodes;Thelypteris gongylodes;Dryopteris gongylodes;Cyclosorus gongylodes;Pteris interrupta;Thelypteris totta;Polypodium tottum
- Thelypteris kunthii, Kunths maiden fern
- Thelypteris leptocladia, Thicket maiden fern
- Thelypteris linkiana, Pteridophyta;Links maiden fern;Dryopteris linkiana;Amauropelta diplazioides;Lastrea linkiana;Grammitis linkiana;Gymnogramma diplazioides
- Thelypteris nephrodioides, Graygreen maiden fern
- Thelypteris noveboracensis, Parathelypteris noveboracensis;New York fern
- Thelypteris opposita, Oppositeleaf maiden fern
- Thelypteris opulenta, Jeweled maiden fern;Dryopteris extensa;Thelypteris extensa;Amphineuron opulentum;Aspidium extensum;Aspidium opulentum
- Thelypteris ovata, Ovate marsh fern
- Thelypteris palustris, Eastern marsh fern
- Thelypteris parasitica, Parasitic maiden fern
- Thelypteris patens, Gridscale maiden fern
- Thelypteris pennata, Graceful maiden fern;Dryopteris megalodus;Dryopteris kanukuana;Goniopteris pennata;Goniopteris megalodus;Polypodium pennatum;Polypodium megalodus;Thelypteris megalodus
- Thelypteris pilosa, Softhairy maiden fern
- Thelypteris poiteana, Darkgreen maiden fern;Lastrea poiteana;Dryopteris poiteana;Goniopteris poiteana
- Thelypteris puberula, Showy maiden fern
- Thelypteris quelpaertensis, Queens-veil maiden fern
- Thelypteris reptans, Creeping maiden fern
- Thelypteris resinifera, Resinous maiden fern
- Thelypteris reticulata, Latticevein fern
- Thelypteris retroflexa, Spleenwort maiden fern
- Thelypteris rudis, Red maiden fern;Polypodium nervosum;Thelypteris nervosa;Polypodium rude;Dryopteris rudis;Amauropelta rudis;Lastrea nervosa;Dryopteris engelii
- Thelypteris sclerophylla, Stiff maiden fern
- Thelypteris serra, Jamaican maiden fern
- Thelypteris serrata, Toothed latticevein fern;Dryopteris serrata;Meniscium serratum
- Thelypteris simulata, Bog fern
- Thelypteris tetragona, Freetip maiden fern;Dryopteris tetragona;Polypodium subtetragonum;Polypodium tetragonum;Goniopteris subtetragona;Goniopteris tetragona
- Tmesipteris obliqua, Long Fork Fern;Long Fork-fern;Tmesipteris billardierei Endl;Tmesipteris billardieri orth var Endl
- Todea barbara, King Fern;Austral King-fern;Acrostichum barbarum L;Todea rivularis Kunze;Todea africana Willd ex Bernh;Todea africana var litophylla FMuell;Todea antarctica var australis Andre;Osmunda barbara L Thunb;Osmunda barbara FMuell
- Trichomanes alatum, Winged bristle fern
- Trichomanes angustifrons, Royal bristle fern
- Trichomanes capillaceum, Treetrunk bristle fern
- Trichomanes crispum, Crisped bristle fern;Trichomanes schomburgkii;Ragatelus eriophorus
- Trichomanes cyrtotheca, Elegant bristle fern
- Trichomanes holopterum, Entirewing bristle fern
- Trichomanes hymenoides, Parchment bristle fern
- Trichomanes hymenophylloides, Thinleaf bristle fern;Trichomanes leptophyllum
- Trichomanes intricatum, Weft fern
- Trichomanes kapplerianum, Kapplers bristle fern;Microgonium kapplerianum;Trichomanes hookeri;Didymoglossum palmarum
- Trichomanes krausii, Treemoss bristle fern;Didymoglossum krausii
- Trichomanes lineolatum, Lined bristle fern
- Trichomanes membranaceum, Scale edge bristle fern;Lecanium membranaceum;Didymoglossum membranaceum
- Trichomanes minutum, Tiny bristle fern
- Trichomanes ovale, Eggleaf bristle fern;Didymoglossum ovale
- Trichomanes padronii, Padrons bristle fern
- Trichomanes petersii, Dwarf bristle fern
- Trichomanes pinnatum, Tansy bristle fern;Trichomanes rhizophyllum;Ptilophyllum schomburgkianum;Ptilophyllum pinnatum;Trichomanes pinnatum var kaulfussii;Trichomanes pennatum;Trichomanes schomburgkianum;Neurophyllum rhizophyllum;Neurophyllum pennatum;Neuromanes schomburgkianum;Neuromanes kaulfussii;Neurophyllum pinnatum
- Trichomanes polypodioides, Jeweled bristle fern
- Trichomanes punctatum, Dotted bristle fern
- Trichomanes pusillum, Sidesaddle bristle fern
- Trichomanes radicans, Aerialroot bristle fern;Trichomanes kunzeanum
- Trichomanes rigidum, Stiff bristle fern;Selenodesmium rigidum
- Trichomanes robustum, Robust bristle fern
- Trichomanes scandens, Climbing bristle fern
- Trichopteris microdonta, Tree fern
- Trichopteris trichiata, Tree fern
- Triplophyllum funestum, Fountain fern;Dryopteris funesta;Ctenitis protensa var funesta;Triplophyllum crassifolium;Triplophyllum crassifolium var caudatum;Triplophyllum funestum var hirsutum;Dryopteris protensa var funesta;Ctenitis funesta;Aspidium funestum
- Vandenboschia tubiflora, Kauai fern
- Vittaria, Shoestring fern
- Vittaria appalachiana, Appalachian shoestring fern
- Vittaria costata, Redscale shoestring fern;Ananthacorus angustifolius
- Vittaria elongata, Stiff shoestring fern
- Vittaria graminifolia, Grass fern;Vittaria filifolia
- Vittaria lineata, Shoestring fern;Pteris lineata
- Vittaria remota, Purplestem shoestring fern
- Woodsia, Cliff fern
- Woodsia obtusa, Bluntlobe cliff fern
- Woodsia phillipsii, Phillips cliff fern
- Woodsia plummerae, Plummers cliff fern
- Woodwardia areolata, Netted Chainfern;Small Chain Fern;Netted chainfern
- Woodwardia fimbriata, Tree Fern;Giant chainfern;Tree fern
- Zygophlebia sectifrons, Octopus fern;Grammitis sectifrons;Polypodium sectifrons
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