#division_Pteridophyta__Pteridophyta containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns; in some classifications considered a subdivision of Tracheophyta
supertype: division.phylum (botany) taxonomic unit of plants corresponding to a phylum
member of: kingdom_Plantae
member: genus_Pecopteris genus of Carboniferous fossil ferns
member: pecopteris Carboniferous fossil fern characterized by a regular arrangement of the leaflets resembling a comb
member: pteridophyte__nonflowering_plant plants having vascular tissue and reproducing by spores
member: fern_family families of ferns and fern allies
member: fern_genus genera of ferns and fern allies
member: class_Filicopsida__Filicopsida__Filicinae__class_Filicinae ferns
member: fern any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
member: family_Schizaeaceae__Schizaeaceae small family of mainly tropical ferns
member: genus_Schizaea__Schizaea type genus of the Schizaeaceae cosmopolitan especially in tropics; small leptosporangiate ferns: curly grass fern
member: curly_grass_fern__curlygrassfern__curly_grass__curlygras__Schizaea_pusilla rare small fern of northeastern North America having numerous slender spiraling fronds and forming dense tufts
member: genus_Anemia__Anemia genus of terrestrial or lithophytic ferns having pinnatifid fronds; chiefly of tropical America
member: pine_fern__Anemia_adiantifolia fern of Florida and West Indies and Central America with rhizome densely clad in grown hairs
member: genus_Lygodium__Lygodium chiefly tropical climbing ferns
member: climbing_fern any of several ferns of the genus Lygodium
member: genus_Mohria__Mohria African terrestrial ferns
member: scented_fern__scentedfern__mohriacaffrorum sweetly scented African fern with narrow bipinnate fronds
member: family_Marsileaceae__Marsileaceae clover ferns
member: genus_Marsilea__Marsilea clover ferns
member: clover_fern__pepperwort any of several water ferns of the genus Marsilea having four leaflets
member: water_clover__waterclover__Marsilea_quadrifolia water fern of Europe and Asia and the eastern United States distinguished by four leaflets resembling clover leaves
member: genus_Pilularia__Pilularia pillworts
member: pillwort__Pilularia_globulifera European water fern found around margins of bodies of water or in wet acid soil having small globose sporocarps
member: genus_Regnellidium 1 species of aquatic or semi-aquatic fern
member: regnellidium__Regnellidium_diphyllum small latex-containing aquatic fern of southern Brazil
member: family_Salviniaceae__Salviniaceae water ferns
member: genus_Salvinia__Salvinia type genus of the Salviniaceae: water ferns
member: floating-moss__Salvinia_rotundifolia__Salvinia_auriculata free-floating aquatic ferns
member: genus_Azolla__Azolla a genus of fern sometimes placed in its own family Azollaceae
member: mosquito_fern__floating_fern__Carolina_pond_fern__Azolla_caroliniana small free-floating aquatic fern from the eastern United States to tropical America; naturalized in western and southern Europe
member: order_Ophioglossales__Ophioglossales coextensive with the family Ophioglossaceae
member: family_Ophioglossaceae__Ophioglossaceae a family of succulent ferns of order Ophioglossales; cosmopolitan in distribution
member: genus_Ophioglossum__Ophioglossum the type genus of the fern family Ophioglossaceae
member: adder's_tongue_fern__adder's_tongue__adder'stongue ferns with fertile spikes shaped like a snake's tongue
member: genus_Botrychium__Botrychium grape fern; moonwort
member: grape_fern__grapefern a fern of the genus Botrychium having a fertile frond bearing small grapelike clusters of spore cases
member: genus_Helminthostachys__Helminthostachys 1 species: terrestrial fern of southeastern Asia and Australia
member: flowering_fern__floweringfern__Helminthostachys_zeylanica Australasian fern with clusters of sporangia on stems of fertile fronds
member: order_Filicales__Filicales__Polypodiales__order_Polypodiales true (leptosporangiate) ferns
member: family_Hymenophyllaceae__Hymenophyllaceae terrestrial (hygrophytic) or epiphytic ferns: filmy ferns
member: genus_Hymenophyllum__Hymenophyllum type genus of the Hymenophyllaceae: filmy ferns
member: filmy_fern__filmyfern__film_fern any fern of the genus Hymenophyllum growing in tropical humid regions and having translucent leaves
member: genus_Trichomanes__Trichomanes bristle ferns; kidney ferns
member: bristle_fern__bristlefern__filmy_fern__filmyfern any fern of the genus Trichomanes having large pinnatifid often translucent fronds; most are epiphytic on tree branches and twigs or terrestrial on mossy banks
member: family_Osmundaceae__Osmundaceae large family of ferns widely distributed in temperate and tropical areas
member: genus_Osmunda type genus of the Osmundaceae
member: osmund__flowering_fern__floweringfern any fern of the genus Osmunda: large ferns with creeping rhizomes; naked sporangia are on modified fronds that resemble flower clusters
member: genus_Leptopteris__Leptopteris including some ferns sometimes placed in genus Todea
member: crape_fern__crapefern__Prince-of-Wales_fern__Prince-of-Wales_feather__Prince-of-Wales_plume__Leptopteris_superba__Todea_superba New Zealand with pinnate fronds and a densely woolly stalks; sometimes included in genus Todea
member: genus_Todea__Todea a genus of delicate ferns belonging to the family Osmundaceae
member: crepe_fern__crepefern__king_fern__Todea_barbara fern of rain forests of tropical Australia and New Zealand and South Africa
member: family_Azollaceae__Azollaceae used in some classifications for the genus Azolla
member: family_Gleicheniaceae__Gleicheniaceae a family of ferns belonging to order Filicales
member: genus_Gleichenia__Gleichenia type genus of Gleicheniaceae: leptosporangiate ferns with sessile sporangia; South Africa to Malaysia and New Zealand
member: genus_Dicranopteris__Dicranopteris terrestrial ferns of forest margin or open ground; pantropical
member: genus_Diplopterygium__Diplopterygium scandent thicket-forming ferns of Asia to western Pacific
member: giant_scrambling_fern__Diplopterygium_longissimum large scrambling fern forming large patches to 18 feet high; Pacific region and China
member: genus_Sticherus__Sticherus umbrella ferns; warm regions of Australia and New Zealand
member: umbrella_fern__fan_fern__fanfern__Sticherus_flabellatus__Gleichenia_flabellata large Australasian fern with fanlike repeatedly forked fronds; sometimes placed in genus Gleichenia
member: family_Parkeriaceae__Parkeriaceae coextensive with the genus Ceratopteris; sometimes included in family Polypodiaceae
member: genus_Ceratopteris__Ceratopteris water ferns
member: floating_fern__water_sprite__watersprite__ceratopterispteridioide aquatic fern of tropical America often used in aquariums
member: Ceratopteris_thalictroides__floating_fern pantropical aquatic fern
member: family_Polypodiaceae__Polypodiaceae ferns: a large family that in some classification systems has been subdivided into several families (including Aspleniaceae and Blechnaceae and Davalliaceae and Dennstaedtiaceae and Dryopteridaceae and Oleandraceae and Pteridaceae)
member: genus_Polypodium__Polypodium a genus of ferns belonging to the family Polypodiaceae and having rounded naked sori
member: polypody any of numerous ferns of the genus Polypodium
member: genus_Aglaomorpha__Aglaomorpha epiphytic ferns of tropical Asia
member: bear's-paw_fern__Aglaomorpha_meyeniana epiphytic fern with large fronds; Taiwan and Philippines
member: genus_Campyloneurum__Campyloneurum epiphytic ferns of tropical America
member: strap_fern__strapfern fern with long narrow strap-shaped leaves
member: genus_Drymoglossum__Drymoglossum epiphytic ferns of Madagascar to tropical Asia and New Guinea
member: genus_Drynaria__Drynaria large robust epiphytic ferns of tropical forest and scrub; Africa and Asia and Australia
member: Drynaria_rigidula__basket_fern giant epiphytic or lithophytic fern; Asia to Polynesia and Australia
member: genus_Lecanopteris epiphytic ferns of southeastern Asia to New Guinea
member: lecanopteris any of several bizarre ferns of the genus Lecanopteris having swollen hollow rhizomes that provide homes for symbiotic ants
member: genus_Microgramma__Microgramma epiphytic ferns of tropical America and Africa
member: snake_polypody__snakepolypody__Microgramma-piloselloides epiphytic ferns with long rhizomes; tropical America
member: genus_Microsorium__Microsorium tropical usually epiphytic ferns; Africa to Asia and Polynesia to Australia
member: climbing_bird's_nest_fern__Microsorium_punctatum tropical Africa to Australasia and Polynesia
member: genus_Phlebodium__Phlebodium chiefly epiphytic tropical ferns with free veins bearing sori
member: golden_polypody__serpent_fern__serpentfern__rabbit's-foot_fern__Phlebodium_aureum__Polypodium_aureum tropical American fern with brown scaly rhizomes cultivated for its large deeply lobed deep bluish-green fronds; sometimes placed in genus Polypodium
member: genus_Platycerium__Platycerium often epiphytic tropical Old World ferns
member: staghorn_fern any of various tropical ferns of the genus Platycerium having large flat lobed fronds often resembling the antlers of a stag
member: common_staghorn_fern__elkhorn_fern__elkhornfern__platyceriumbifurcatum__Platycerium_alcicorne commonly cultivated fern of Australia and southeastern Asia and Polynesia
member: genus_Pyrrosia__Pyrrosia epiphytic or lithophytic or terrestrial ferns of tropical Old World
member: felt_fern__tongue_fern__Pyrrosia_lingua__Cyclophorus_lingua east Asian fern having fronds shaped like tongues; sometimes placed in genus Cyclophorus
member: genus_Solanopteris__Solanopteris tropical American epiphytic ferns having rhizomes with tubers and roots as well as scales
member: Solanopteris_bifrons__potato_fern small epiphytic fern of South America with tuberous swellings along rhizomes
member: genus_Cyclophorus__Cyclophorus tropical Old World ferns having closely crowded circular sori and no indusia
member: genus_Ceterach__Ceterach small genus of Old World ferns; superseded in some classification systems which place plants of this genus in e.g. genera Asplenium and Pleurosorus
member: genus_Phyllitis__Phyllitis__genus_Scolopendrium a genus of ferns belonging to the family Polypodiaceae (in some classification systems included in genus Asplenium)
member: family_Vittariaceae__Vittariaceae one of a number of families into which Polypodiaceae has been subdivided in some classification systems: genus Vittaria
member: genus_Vittaria__Vittaria tropical epiphytic ferns with straplike fronds
member: grass_fern__grassfern__ribbon_fern__Vittaria_lineata epiphytic fern found in lowland forests of tropical America
member: family_Aspleniaceae__Aspleniaceae one of a number of families into which Polypodiaceae has been subdivided in some classification systems; includes genera Asplenium; Pleurosorus; Schaffneria
member: genus_Asplenium__Asplenium in some classification systems placed in family Polypodiaceae
member: spleenwort any of various chiefly rock-inhabiting ferns of the genus Asplenium
member: bird's_nest_fern__Asplenium_nidus tropical Old World or Australian epiphytic fern frequently forming tufts in tree crotches
member: Asplenium_scolopendrium__hart's-tongue__hart's-tongue_fern__Phyllitis_scolopendrium Eurasian fern with simple lanceolate fronds
member: scale_fern__scalefern__scaly_fern__scalyfern__Asplenium_ceterach__Ceterach_officinarum small European fern with chaffy leathery fronds
member: genus_Camptosorus__Camptosorus classification used in some especially former systems for plants usually placed in genus Asplenium
member: genus_Pleurosorus__Pleurosorus small genus comprising terrestrial ferns; found in Chile and Spain and Morocco and Australia and New Zealand
member: genus_Schaffneria__Schaffneria 1 species
member: Schaffneria_nigripes__Asplenium_nigripes__Scolopendrium_nigripes a fern of the genus Schaffneria
member: family_Blechnaceae__Blechnaceae one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems; includes genera Blechnum; Doodia; Sadleria; Stenochlaena; Woodwardia
member: genus_Blechnum__Blechnum in some classification systems placed in family Polypodiaceae; terrestrial ferns of cosmopolitan distribution mainly in southern hemisphere: hard ferns
member: hard_fern any of several ferns of the genus Blechnum
member: genus_Doodia in some classification systems placed in family Polypodiaceae; small terrestrial colony-forming ferns of Australasia
member: doodia__rasp_fern any fern of the genus Doodia having pinnate fronds with sharply dentate pinnae
member: genus_Sadleria__Sadleria low tree ferns with large fronds; in rain forests and on lava flows of Hawaiian Islands
member: genus_Stenochlaena__Stenochlaena large tropical ferns; some epiphytic climbers and some terrestrial bog ferns; Africa; Asia; Australasia
member: genus_Woodwardia__Woodwardia in some classification systems placed in family Polypodiaceae: chain ferns
member: chain_fern__chainfern a fern of the genus Woodwardia having the sori in chainlike rows
member: family_Dicksoniaceae__Dicksoniaceae tree ferns: genera Dicksonia; Cibotium; Culcita; Thyrsopteris
member: genus_Dicksonia__Dicksonia tree ferns of temperate Australasia having bipinnatifid or tripinnatifid fronds and usually marginal sori; in some classification systems placed in family Cyatheaceae
member: soft_tree_fern__Dicksonia_antarctica of Australia and Tasmania; often cultivated; hardy in cool climates
member: genus_Cibotium__Cibotium in some classification systems placed in family Cyatheaceae: ornamental tree ferns with coarse gracefully drooping fronds
member: Scythian_lamb__Cibotium_barometz Asiatic tree fern having dense matted hairs sometimes used as a styptic
member: genus_Culcita__Culcita includes some plants usually placed in e.g. genus Dicksonia: terrestrial ferns resembling bracken; tropical America; Malaysia to Australia and Polynesia; southwestern Europe and Atlantic islands
member: false_bracken__falsebracken__Culcita_dubia resembles Pteridium aquilinum; of Queensland Australia
member: genus_Thyrsopteris 1 species
member: thyrsopteris__Thyrsopteris_elegans a terrestrial tree fern of South America
member: family_Oleandraceae__Oleandraceae one of a number of families into which Polypodiaceae has been subdivided in some classification systems
member: genus_Oleandra__Oleandra or family Polypodiaceae: tropical epiphytic or terrestrial ferns
member: oleander_fern__Oleandra_neriiformis__Oleandra_mollis tropical fern having leathery fronds resembling oleander; found from Asia to Polynesia
member: genus_Arthropteris__Arthropteris tropical and subtropical Old World epiphytic or lithophytic ferns
member: genus_Nephrolepis__Nephrolepis small genus of tropical ferns; sometimes placed in Polypodiaceae
member: sword_fern__swordfern any of several tropical ferns having more or less sword-shaped fronds including one from which the Boston fern developed
member: family_Pteridaceae__Pteridaceae one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems; Pteridaceae is itself in turn sometimes further subdivided
member: genus_Acrostichum__Acrostichum in some classification systems placed in family Polypodiaceae
member: leather_fern__leatherfern__goldenfern__Acrostichum_aureum stout tropical swamp fern (especially tropical America) having large fronds with golden yellow sporangia covering the undersides
member: genus_Actiniopteris__Actiniopteris terrestrial ferns of tropical Asia and Africa
member: genus_Adiantum__Adiantum cosmopolitan genus of ferns: maidenhair ferns; in some classification systems placed in family Polypodiaceae or Adiantaceae
member: maidenhair_fern__maidenhair any of various small to large terrestrial ferns of the genus Adiantum having delicate palmately branched fronds
member: genus_Anogramma__Anogramma a genus of ferns belonging to the family Pteridaceae
member: annual_fern__Jersey_fern__Anogramma_leptophylla small short-lived fern of Central and South America
member: genus_Cheilanthes__Cheilanthes small evergreen ferns: lipferns; in some classifications placed in family Polypodiaceae or Adiantaceae
member: lip_fern__lipfern any of various terrestrial ferns of the genus Cheilanthes; cosmopolitan in arid and semi-arid temperate or tropical regions
member: lace_fern__Cheilanthes_gracillima small tufted fern of northwestern America
member: genus_Coniogramme__Coniogramme terrestrial ferns of Pacific islands and Asia
member: bamboo_fern__Coniogramme_japonica fast-growing sturdy Japanese fern; cultivated for their attractive broad dark-green pinnate fronds
member: genus_Cryptogramma__Cryptogramma sometimes placed in family Polypodiaceae or Cryptogrammataceae
member: rock_brake dwarf deciduous lithophytic ferns
member: American_rock_brake__American_parsley_fern__Cryptogramma_acrostichoides rock-inhabiting fern of northern North America growing in massive tufts and having fronds resembling parsley
member: genus_Doryopteris__Doryopteris small to medium tropical tufted ferns; sometimes placed in family Adiantaceae
member: hand_fern__Doryopteris_pedata tropical American fern with coarsely lobed to palmatifid fronds
member: genus_Jamesonia__Jamesonia xerophytic ferns of South America
member: genus_Onychium__Onychium small terrestrial ferns of Old World tropics and subtropics: claw ferns; sometimes placed in family Cryptogrammataceae
member: genus_Pellaea__Pellaea genus of chiefly small rock-loving ferns; in some classification systems it is placed in the family Polypodiaceae or Adiantaceae
member: cliff_brake__cliffbrake__rock_brake any of several small lithophytic ferns of tropical and warm temperate regions
member: coffee_fern__Pellaea_andromedifolia evergreen fern of California and Baja California
member: button_fern__Pellaea_rotundifolia fern of New Zealand and Australia having trailing fronds with dark green buttonlike leaflets
member: genus_Pityrogramma__Pityrogramma terrestrial tropical ferns having fronds with powdery yellowish or white undersides; sometimes placed in family Polypodiaceae or Adiantaceae
member: Pityrogramma_argentea__silver_fern fern of southern tropical Africa having fronds with white undersides
member: silver_fern__Pityrogramma_calomelanos tropical American fern having fronds with white undersides
member: golden_fern__Pityrogramma_calomelanos_aureoflava tropical American fern having fronds with light golden undersides
member: gold_fern__Pityrogramma_chrysophylla fern of West Indies and South America having fronds with bright golden-yellow undersides
member: genus_Pteris__Pteris large genus of terrestrial ferns of tropics and subtropics; sometimes placed in family Polypodiaceae
member: brake.fern any of various ferns of the genus Pteris having pinnately compound leaves and including several popular houseplants
member: Pteris_cretica cultivated in many varieties as houseplants
member: spider_brake__spider_fern__Pteris_multifida Asiatic fern introduced in America
member: ribbon_fern__spider_fern__Pteris_serrulata fern of North Africa and Azores and Canary Islands
member: family_Adiantaceae__Adiantaceae used in some classification systems for some genera of the family Polypodiaceae (or Pteridaceae)
member: family_Cyatheaceae__Cyatheaceae tropical tree ferns
member: genus_Cyathea__Cyathea type genus of the Cyatheaceae: tree ferns of the tropical rain forest to temperate woodlands
member: silver_tree_fern__sago_fern__black_tree_fern__Cyathea_medullaris showy tree fern of New Zealand and Australia area having a crown of much-pinnated fronds with whitish undersides
member: family_Davalliaceae__Davalliaceae one of a number of families into which Polypodiaceae has been subdivided in some classification systems
member: genus_Davallia Old World tropical fern; in some classification systems placed directly in family Polypodiaceae
member: davallia any fern of the genus Davallia; having scaly creeping rhizomes
member: hare's-foot_fern either of two ferns of the genus Davallia having a soft gray hairy rootstock
member: Canary_Island_hare's_foot_fern__Davallia_canariensis fern of the Canary Islands and Madeira
member: Australian_hare's_foot__Davallia_pyxidata a hare's-foot fern of the genus Davallia
member: squirrel's-foot_fern__ball_fern__Davalia_bullata__Davalia_bullata_mariesii__Davallia_Mariesii feathery fern of tropical Asia and Malaysia
member: family_Dennstaedtiaceae__Dennstaedtiaceae one of a number of families into which Polypodiaceae has been subdivided in some classification systems
member: genus_Dennstaedtia__Dennstaedtia chiefly terrestrial ferns; in some classification systems placed in family Polypodiaceae
member: hay-scented_fern__hayscentedfern__hay-scented__hayscented__scented_fern__scentedfern__boulderfern__Dennstaedtia_punctilobula fern of eastern North America with pale green fronds and an aroma like hay
member: genus_Pteridium__Pteridium a genus of ferns belonging to the family Dennstaedtiaceae
member: pasture_brake__pasturebrake__bracken__brake__Pteridium_aquilinum large coarse fern often several feet high; essentially weed ferns; cosmopolitan
member: bracken__Pteridium_esculentum fern of southeastern Asia; not hardy in cold temperate regions
member: family_Dryopteridaceae__Dryopteridaceae__Athyriaceae__family_Athyriaceae alternative names for one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems
member: shield_fern__buckler_fern__bucklerfern any of various ferns of the genera Dryopteris or Polystichum or Lastreopsis having somewhat shield-shaped coverings on the sori
member: genus_Dryopteris__Dryopteris large widespread genus of medium-sized terrestrial ferns; in some classification systems placed in Polypodiaceae
member: broad_buckler-fern__broadbucklerfern__Dryopteris_dilatata European shield fern
member: wood_fern__wood-fern any of various ferns of the genus Dryopteris
member: genus_Athyrium__Athyrium temperate and tropical lady ferns; in some classifications placed in family Polypodiaceae or in the genus Asplenium
member: lady_fern__Athyrium_filix-femina most widely grown fern of the genus Athyrium for its delicate foliage
member: glade_fern__gladefern__silvery_spleenwort__silveryspleenwort__narrow-leaved_spleenwort__Athyrium_pycnocarpon__Diplazium_pycnocarpon North American fern with narrow fronds on yellowish leafstalks
member: genus_Cyrtomium__Cyrtomium small genus of tropical Asiatic greenhouse ferns; in some classifications placed in Polypodiaceae
member: genus_Cystopteris__Cystopteris chiefly small perennial rock ferns: bladder ferns; in some classifications placed in Polypodiaceae
member: bladder_fern__bladderfern any fern of the genus Cystopteris characterized by a hooded indusium or bladderlike membrane covering the sori
member: genus_Deparia__Deparia classification used for 5 species of terrestrial ferns usually placed in other genera
member: silvery_spleenwort__silveryspleenwort__Deparia_acrostichoides__Athyrium_thelypteroides fern with elongate silvery outgrowths enclosing the developing spores
member: genus_Diacalpa__Diacalpa one species: delicate fern of foothills of Himalayas
member: genus_Gymnocarpium__Gymnocarpium oak ferns: in some classification systems included in genus Thelypteris
member: oak_fern__oakfern__Gymnocarpium_dryopteris__Thelypteris_dryopteris bright blue-green fern widely distributed especially in damp acid woodlands of temperate northern hemisphere
member: genus_Lastreopsis__Lastreopsis tropical terrestrial shield ferns
member: genus_Matteuccia__Matteuccia__Pteretis__genus_Pteretis small genus sometimes included in genus Onoclea; in some classifications both genera are placed in Polypodiaceae
member: ostrich_fern__ostrichfern__shuttlecock_fern__shuttlecockfern__fiddlehead__Matteuccia_struthiopteris__Pteretis_struthiopteris__Onoclea_struthiopteris tall fern of northern temperate regions having graceful arched fronds and sporophylls resembling ostrich plumes
member: genus_Olfersia__Olfersia genus of fern having only one species
member: genus_Onoclea__Onoclea 1 species: sensitive fern; in some classifications included in Polypodiaceae
member: sensitive_fern__sensitivefern__bead_fern__Onoclea_sensibilis beautiful spreading fern of eastern North America and eastern Asia naturalized in western Europe; pinnately divided fronds show a slight tendency to fold when touched; pinnules enclose groups of sori in beadlike lobes
member: genus_Polybotrya__Polybotrya__Polybotria__genus_Polybotria tropical American ferns; usually terrestrial when young but scandent later
member: genus_Polystichum__Polystichum small to medium-sized terrestrial ferns especially holly ferns; in some classification systems placed in Polypodiaceae
member: Christmas_fern__canker_brake__dagger_fern__evergreen_wood_fern__Polystichum_acrostichoides North American evergreen fern having pinnate leaves and dense clusters of lance-shaped fronds
member: holly_fern__hollyfern any of various ferns of the genus Polystichum having fronds with texture and gloss like holly
member: soft_shield_fern__Polystichum_setiferum European shield fern cultivated in many varieties
member: genus_Rumohra__Rumohra leatherleaf ferns: in some classifications included in genus Polystichum
member: leatherleaf_fern__leatherleaffern__leather_fern__leatherfern__tendayfern__Rumohra_adiantiformis__Polystichum_adiantiformis widely distributed fern of tropical southern hemisphere having leathery pinnatifid fronds
member: genus_Tectaria__Tectaria terrestrial or epilithic ferns of tropical rain forests
member: Tectaria_cicutaria__button_fern Jamaican fern having round buttonlike bulbils
member: Indian_button_fern__Tectaria_macrodonta fern of tropical Asia having round buttonlike bulbils
member: genus_Woodsia genus of small to medium-sized usually rock-inhabiting ferns of temperate and cold regions; in some classification systems placed in Polypodiaceae
member: woodsia any fern of the genus Woodsia
member: family_Lomariopsidaceae__Lomariopsidaceae small family of usually scandent ferns
member: genus_Bolbitis__Bolbitis terrestrial or less than normally scandent ferns of tropical regions of northern hemisphere
member: genus_Lomogramma__Lomogramma large scandent ferns of southeastern Asia
member: family_Lophosoriaceae__Lophosoriaceae very small family of tree ferns
member: genus_Lophosoria__Lophosoria 1 species: tree fern of Central and South America
member: family_Loxomataceae__Loxomataceae very small family of New Zealand ferns
member: genus_Loxoma__Loxoma 1 species of terrestrial ferns of New Zealand
member: order_Marattiales__Marattiales lower ferns coextensive with the family Marattiaceae
member: family_Marattiaceae__Marattiaceae constituting the order Marattiales: chiefly tropical eusporangiate ferns with gigantic fronds
member: genus_Marattia__Marattia type genus of the Marattiaceae: ferns having the sporangia fused together in two rows
member: potato_fern__Marattia_salicina large Australasian evergreen fern with an edible rhizome sometimes used as a vegetable by indigenous people
member: genus_Angiopteris 1 species: tree fern
member: angiopteris__angiopteri__giant_fern__giantfern__Angiopteris_evecta highly variable species of very large primitive ferns of the Pacific tropical areas with high rainfall
member: genus_Danaea__Danaea fairly small terrestrial ferns of tropical America
member: family_Cryptogrammataceae__Cryptogrammataceae one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems
member: family_Thelypteridaceae__Thelypteridaceae genera Thelypteris; Phegopteris; others
member: genus_Thelypteris__Thelypteris marsh ferns: in some classification systems considered part of genus Dryopteris in family Dryopteridaceae
member: marsh_fern__marshfern__thelypterispalustri__Dryopteris_thelypteris fern having pinnatifid fronds and growing in wet places; cosmopolitan in north temperate regions
member: genus_Amauropelta__Amauropelta epiphytic or terrestrial ferns of America and Africa and Polynesia
member: genus_Christella medium to large terrestrial ferns of tropical forests of Old World to Americas
member: christella any of several tropical ferns of the genus Christella having thin brittle fronds
member: genus_Cyclosorus__Cyclosorus small genus of terrestrial ferns of tropical and subtropical southern hemisphere
member: genus_Macrothelypteris__Macrothelypteris medium to large terrestrial ferns of tropical Asia to Polynesia and Australia; naturalized in Americas
member: genus_Meniscium__Meniscium terrestrial ferns of tropical Americas
member: genus_Oreopteris__Oreopteris 3 species of ferns formerly included in genus Dryopteris or Thelypteris
member: mountain_fern__Oreopteris_limbosperma__Dryopteris_oreopteris common European mountain fern having fragrant lemon or balsam scented fronds
member: genus_Parathelypteris__Parathelypteris terrestrial ferns of warm and tropical Asia and North America
member: New_York_fern__Parathelypteris_novae-boracensis__Dryopteris_noveboracensis slender shield fern of moist woods of eastern North America; sometimes placed in genus Dryopteris
member: Massachusetts_fern__Parathelypteris_simulata__Thelypteris_simulata delicate feathery shield fern of the eastern United States; sometimes placed in genus Thelypteris
member: genus_Phegopteris__Phegopteris beech ferns: genus is variously classified: considered alternative name for genus Dryopteris or included in genus Thelypteris
member: beech_fern__beechfern any fern of the genus Phegopteris having deeply cut triangular fronds
member: class_Psilopsida__Psilopsida__Psilotatae__class_Psilotatae whisk ferns; comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs
member: order_Psilotales__Psilotales lower vascular plants having dichotomously branched sporophyte divided into aerial shoot and rhizome and lacking true roots
member: family_Psilotaceae__Psilotaceae small family of lower ferns having nearly naked stems and minute scalelike leaves
member: genus_Psilotum__Psilotum type genus of the Psilotaceae
member: whisk_fern__whiskfern chiefly tropical clump-forming plants of skeletal appearance resembling whisk brooms; lacking roots
member: order_Psilophytales__Psilophytales Paleozoic simple dichotomously branched plants of Europe and eastern Canada including the oldest known vascular land plants
member: psilophyte any plant of the order Psilophytales: a savannah plant
member: family_Psilophytaceae__Psilophytaceae Paleozoic plants
member: genus_Psilophyton type genus of the Psilophytaceae: genus of small wiry herbaceous Paleozoic plants with underground rhizomes and apical sporangia
member: psilophyton any plant or fossil of the genus Psilophyton
member: family_Rhyniaceae__Rhyniaceae primitive plants of the Paleozoic
member: genus_Rhynia__Rhynia type genus of the Rhyniaceae; small leafless dichotomously branching fossil plants with terminal sporangia and smooth branching rhizomes
member: genus_Horneophyton__Horneophyton Devonian fossil plant considered one of the earliest forms of vascular land plants; similar to genus Rhynia but smaller
member: class_Sphenopsida__Sphenopsida__Equisetatae__class_Equisetatae horsetails and related forms
member: order_Equisetales__Equisetales lower tracheophytes in existence since the Devonian
member: family_Equisetaceae__Equisetaceae__horsetail_family__horsetailfamily sole surviving family of the Equisetales: fern allies
member: genus_Equisetum__Equisetum horsetails; coextensive with the family Equisetaceae
member: horsetail perennial rushlike flowerless herbs with jointed hollow stems and narrow toothlike leaves that spread by creeping rhizomes; tend to become weedy; common in northern hemisphere; some in Africa and South America
member: class_Lycopsida__Lycopsida__Lycopodiate__class_Lycopodiate club mosses and related forms: includes Lycopodiales; Isoetales; Selaginellales; and extinct Lepidodendrales; sometimes considered a subdivision of Tracheophyta
member: class_Lycopodineae__Lycopodineae alternative designation for the class Lycopsida
member: club_moss__clubmoss__lycopod primitive evergreen mosslike plant with spores in club-shaped strobiles
member: order_Lepidodendrales__Lepidodendrales fossil arborescent plants arising during the Lower Devonian and conspicuous throughout the Carboniferous
member: family_Lepidodendraceae__Lepidodendraceae fossil plants characterized by conspicuous spirally arranged leaf scars on the trunk
member: order_Lycopodiales__Lycopodiales lower vascular plants coextensive with the family Lycopodiaceae; in some classifications includes the Selaginellaceae and Isoetaceae
member: family_Lycopodiaceae__Lycopodiaceae__clubmoss_family a family of ferns belonging to the order Lycopodiales
member: genus_Lycopodium__Lycopodium type and sole genus of the Lycopodiaceae; erect or creeping evergreen plants often used for Christmas decorations
member: order_Selaginellales__Selaginellales in some classifications included in Lycopodiales
member: family_Selaginellaceae__Selaginellaceae lesser clubmosses: terrestrial chiefly tropical plants resembling mosses
member: genus_Selaginella__Selaginella type and sole genus of the Selaginellaceae; evergreen mosslike plants: spike moss and little club moss
member: spikemoss__spikemos__spikemos__littleclubmos any of numerous fern allies of the genus Selaginella
member: order_Isoetales__Isoetales aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales
member: family_Isoetaceae__Isoetaceae__quillwort_family__quillwortfamily quillworts; coextensive with the genus Isoetes
member: genus_Isoetes__Isoetes type and genus of the Isoetaceae and sole extant genus of the order Isoetales
member: quillwort any of several spore-bearing aquatic or marsh plants having short rhizomes and leaves resembling quills; worldwide except Polynesia
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