#pteridophyte__nonflowering_plant plants having vascular tissue and reproducing by spores
supertype: #vascular_plant__tracheophyte green plant having a vascular system: ferns, gymnosperms, angiosperms
member of: #division_Pteridophyta
subtype: #fern any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
subtype: #pecopteris Carboniferous fossil fern characterized by a regular arrangement of the leaflets resembling a comb
subtype: #filmy_fern__filmyfern__film_fern any fern of the genus Hymenophyllum growing in tropical humid regions and having translucent leaves
subtype: #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
subtype: #hare's-foot_bristle_fern__Trichomanes_boschianum a variety of bristle fern
subtype: #Killarney_fern__Trichomanes_speciosum large stout fern of extreme western Europe
subtype: #kidney_fern__Trichomanes_reniforme large fern of New Zealand having kidney-shaped fronds
subtype: #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
subtype: #royal_fern__royalfern__royal_osmund__royalosmund__king_fern__ditch_fern__ditchfern__French_bracken__Osmunda_regalis large deeply rooted fern of worldwide distribution with upright bipinnate compound tufted fronds
subtype: #interrupted_fern__interruptedfern__Osmunda_clatonia North American fern having tall erect pinnate fronds and a few sporogenous pinnae at or near the center of the fertile fronds
subtype: #cinnamon_fern__fiddlehead__fiddlehead_fern__Osmunda_cinnamonea New World fern having woolly cinnamon-colored spore-bearing fronds in early spring later surrounded by green fronds; the early uncurling fronds are edible
subtype: #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
subtype: #crepe_fern__crepefern__king_fern__Todea_barbara fern of rain forests of tropical Australia and New Zealand and South Africa
subtype: #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
subtype: #pine_fern__Anemia_adiantifolia fern of Florida and West Indies and Central America with rhizome densely clad in grown hairs
subtype: #climbing_fern any of several ferns of the genus Lygodium
subtype: #creeping_fern__Hartford_fern__Lygodium_palmatum delicate fern of the eastern United States having a twining stem and palmately-lobed sterile fronds and forked fertile fronds
subtype: #climbing_maidenhair_fern__climbing_maidenhair__snake_fern__snakefern__Lygodium_microphyllum tropical fern widespread in Old World; naturalized in Jamaica and Florida
subtype: #scented_fern__scentedfern__mohriacaffrorum sweetly scented African fern with narrow bipinnate fronds
subtype: #aquatic_fern__aquaticfern__water_fern__waterfern ferns that grow in water
subtype: #clover_fern__pepperwort any of several water ferns of the genus Marsilea having four leaflets
subtype: #common_nardoo__nardoo__nardo__Marsilea_drummondii Australian clover fern
subtype: #water_clover__waterclover__Marsilea_quadrifolia water fern of Europe and Asia and the eastern United States distinguished by four leaflets resembling clover leaves
subtype: #pillwort__Pilularia_globulifera European water fern found around margins of bodies of water or in wet acid soil having small globose sporocarps
subtype: #regnellidium__Regnellidium_diphyllum small latex-containing aquatic fern of southern Brazil
subtype: #floating-moss__Salvinia_rotundifolia__Salvinia_auriculata free-floating aquatic ferns
subtype: #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
subtype: #floating_fern__water_sprite__watersprite__ceratopterispteridioide aquatic fern of tropical America often used in aquariums
subtype: #Ceratopteris_thalictroides__floating_fern pantropical aquatic fern
subtype: #adder's_tongue_fern__adder's_tongue__adder'stongue ferns with fertile spikes shaped like a snake's tongue
subtype: #Ophioglossum_pendulum__ribbon_fern epiphytic fern with straplike usually twisted fronds of tropical Asia and Polynesia and America
subtype: #grape_fern__grapefern a fern of the genus Botrychium having a fertile frond bearing small grapelike clusters of spore cases
subtype: #common_moonwort__moonwort__Botrychium_lunaria of America and Eurasia and Australia
subtype: #daisyleaf_grape_fern__daisyleafgrapefern__daisy-leaved_grape_fern__Botrychium_matricariifolium of North America and Eurasia
subtype: #leathery_grape_fern__Botrychium_multifidum European fern with leathery and sparsely hairy fronds
subtype: #rattlesnake_fern__rattlesnakefern__Botrychium_virginianum American fern whose clustered sporangia resemble a snake's rattle
subtype: #flowering_fern__floweringfern__Helminthostachys_zeylanica Australasian fern with clusters of sporangia on stems of fertile fronds
subtype: #giant_scrambling_fern__Diplopterygium_longissimum large scrambling fern forming large patches to 18 feet high; Pacific region and China
subtype: #umbrella_fern__fan_fern__fanfern__Sticherus_flabellatus__Gleichenia_flabellata large Australasian fern with fanlike repeatedly forked fronds; sometimes placed in genus Gleichenia
subtype: #polypody any of numerous ferns of the genus Polypodium
subtype: #licorice_fern__Polypodium_glycyrrhiza fern having rootstock of a sweetish flavor
subtype: #gray_polypody__resurrection_fern__Polypodium_polypodioides fern growing on rocks or tree trunks and having fronds grayish and scurfy below; Americas and South Africa
subtype: #leatherleaf__leathery_polypody__coast_polypody__coastpolypody__Polypodium_scouleri stiff leathery-leaved fern of western North America having ovate fronds parted to the midrib
subtype: #rock_polypody__rock_brake__American_wall_fern__Polypodium_virgianum chiefly lithophytic or epiphytic fern of North America and east Asia
subtype: #common_polypody__adder's_fern__adder'sfern__wall_fern__golden_maidenhair__golden_polypody__sweet_fern__sweetfern__Polypodium_vulgare mat-forming lithophytic or terrestrial fern with creeping rootstocks and large pinnatifid fronds found throughout North America and Europe and Africa and east Asia
subtype: #bear's-paw_fern__Aglaomorpha_meyeniana epiphytic fern with large fronds; Taiwan and Philippines
subtype: #strap_fern__strapfern fern with long narrow strap-shaped leaves
subtype: #Florida_strap_fern__cow-tongue_fern__hart's-tongue_fern common epiphytic or sometimes terrestrial fern having pale yellow-green strap-shaped leaves; Florida to West Indies and Mexico and south to Uruguay
subtype: #Central_American_strap_fern__narrow-leaved_strap_fern__Campyloneurum_augustifolium fern with shorter and narrower leaves than Florida strap fern; Florida to West Indies and Mexico and south to Argentina
subtype: #Drynaria_rigidula__basket_fern giant epiphytic or lithophytic fern; Asia to Polynesia and Australia
subtype: #lecanopteris any of several bizarre ferns of the genus Lecanopteris having swollen hollow rhizomes that provide homes for symbiotic ants
subtype: #snake_polypody__snakepolypody__Microgramma-piloselloides epiphytic ferns with long rhizomes; tropical America
subtype: #climbing_bird's_nest_fern__Microsorium_punctatum tropical Africa to Australasia and Polynesia
subtype: #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
subtype: #staghorn_fern any of various tropical ferns of the genus Platycerium having large flat lobed fronds often resembling the antlers of a stag
subtype: #South_American_staghorn__Platycerium_andinum fern of Peru and Bolivia
subtype: #common_staghorn_fern__elkhorn_fern__elkhornfern__platyceriumbifurcatum__Platycerium_alcicorne commonly cultivated fern of Australia and southeastern Asia and Polynesia
subtype: #felt_fern__tongue_fern__Pyrrosia_lingua__Cyclophorus_lingua east Asian fern having fronds shaped like tongues; sometimes placed in genus Cyclophorus
subtype: #Solanopteris_bifrons__potato_fern small epiphytic fern of South America with tuberous swellings along rhizomes
subtype: #grass_fern__grassfern__ribbon_fern__Vittaria_lineata epiphytic fern found in lowland forests of tropical America
subtype: #spleenwort any of various chiefly rock-inhabiting ferns of the genus Asplenium
subtype: #black_spleenwort__blackspleenwort__Asplenium_adiantum-nigrum spleenwort of Europe and Africa and Asia having pinnate fronds and yielding an astringent
subtype: #ebony_spleenwort__ebonyspleenwort__Scott's_Spleenwort__Asplenium_platyneuron common North American fern with polished black stripes
subtype: #black-stem_spleenwort__black-stemmed_spleenwort__blackstemmedspleenwort__little_ebony_spleenwort fern of tropical America: from southern United States to West Indies and Mexico to Brazil
subtype: #walking_fern__walkingfern__walking_leaf__walkingleaf__Asplenium_rhizophyllum__Camptosorus_rhizophyllus ferns having lanceolate fronds that root at the tip
subtype: #maidenhair_spleenwort__Asplenium_trichomanes small rock-inhabiting fern of northern temperate zone and Hawaii with pinnate fronds
subtype: #green_spleenwort__greenspleenwort__aspleniumviride small often many-crowned fern with slim green fronds; widely distributed in cool parts of northern hemisphere
subtype: #mountain_spleenwort__Asplenium_montanum a spleenwort of eastern North America
subtype: #wall_rue_spleenwort__wall_rue__Asplenium_ruta-muraria small delicate spleenwort found on a steep slope (as a wall or cliff) of Eurasia and North America
subtype: #Bradley's_spleenwort__Asplenium_bradleyi a spleenwort of eastern to southern United States
subtype: #lobed_spleenwort__lobedspleenwort__Asplenium_pinnatifidum a spleenwort of eastern and southern United States
subtype: #lanceolate_spleenwort__Asplenium_billotii a spleenwort of western Europe
subtype: #bird's_nest_fern__Asplenium_nidus tropical Old World or Australian epiphytic fern frequently forming tufts in tree crotches
subtype: #Asplenium_scolopendrium__hart's-tongue__hart's-tongue_fern__Phyllitis_scolopendrium Eurasian fern with simple lanceolate fronds
subtype: #scale_fern__scalefern__scaly_fern__scalyfern__Asplenium_ceterach__Ceterach_officinarum small European fern with chaffy leathery fronds
subtype: #Schaffneria_nigripes__Asplenium_nigripes__Scolopendrium_nigripes a fern of the genus Schaffneria
subtype: #scolopendrium a fern thought to resemble a millipede
subtype: #hard_fern any of several ferns of the genus Blechnum
subtype: #deer_fern__Blechnum_spicant fern with erect fronds of Europe and western North America; often cultivated for deer browse
subtype: #doodia__rasp_fern any fern of the genus Doodia having pinnate fronds with sharply dentate pinnae
subtype: #chain_fern__chainfern a fern of the genus Woodwardia having the sori in chainlike rows
subtype: #Virginia_chain_fern__Woodwardia_virginica North American fern
subtype: #tree_fern any of numerous usually tropical ferns having a thick woody stem or caudex and a crown of large fronds; found especially in Australia and New Zealand; chiefly of the families Cyatheaceae and Marattiaceae but some from Polypodiaceae
subtype: #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
subtype: #soft_tree_fern__Dicksonia_antarctica of Australia and Tasmania; often cultivated; hardy in cool climates
subtype: #Scythian_lamb__Cibotium_barometz Asiatic tree fern having dense matted hairs sometimes used as a styptic
subtype: #thyrsopteris__Thyrsopteris_elegans a terrestrial tree fern of South America
subtype: #angiopteris__angiopteri__giant_fern__giantfern__Angiopteris_evecta highly variable species of very large primitive ferns of the Pacific tropical areas with high rainfall
subtype: #davallia any fern of the genus Davallia; having scaly creeping rhizomes
subtype: #hare's-foot_fern either of two ferns of the genus Davallia having a soft gray hairy rootstock
subtype: #Canary_Island_hare's_foot_fern__Davallia_canariensis fern of the Canary Islands and Madeira
subtype: #Australian_hare's_foot__Davallia_pyxidata a hare's-foot fern of the genus Davallia
subtype: #squirrel's-foot_fern__ball_fern__Davalia_bullata__Davalia_bullata_mariesii__Davallia_Mariesii feathery fern of tropical Asia and Malaysia
subtype: #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
subtype: #pasture_brake__pasturebrake__bracken__brake__Pteridium_aquilinum large coarse fern often several feet high; essentially weed ferns; cosmopolitan
subtype: #bracken__Pteridium_esculentum fern of southeastern Asia; not hardy in cold temperate regions
subtype: #false_bracken__falsebracken__Culcita_dubia resembles Pteridium aquilinum; of Queensland Australia
subtype: #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
subtype: #broad_buckler-fern__broadbucklerfern__Dryopteris_dilatata European shield fern
subtype: #Goldie's_fern__Goldie's_shield_fern__goldie's_wood_fern__Dryopteris_goldiana North American fern with a blackish lustrous stipe
subtype: #soft_shield_fern__Polystichum_setiferum European shield fern cultivated in many varieties
subtype: #wood_fern__wood-fern any of various ferns of the genus Dryopteris
subtype: #fragrant_cliff_fern__fragrant_shield_fern__fragrant_wood_fern__Dryopteris_fragrans fern or northern Eurasia and North America having fragrant fronds
subtype: #male_fern__Dryopteris_filix-mas fern of North America and Europe whose rhizomes and stalks yield an oleoresin used to expel tapeworms
subtype: #marginal_wood_fern__evergreen_wood_fern__leatherleaf_wood_fern__Dryopteris_marginalis North American fern with evergreen fronds
subtype: #mountain_male_fern__Dryopteris_oreades a fern of the genus Dryopteris
subtype: #lady_fern__Athyrium_filix-femina most widely grown fern of the genus Athyrium for its delicate foliage
subtype: #Alpine_lady_fern__Athyrium_distentifolium a lady fern with deeply cut leaf segments; found in the Rocky Mountains
subtype: #glade_fern__gladefern__silvery_spleenwort__silveryspleenwort__narrow-leaved_spleenwort__Athyrium_pycnocarpon__Diplazium_pycnocarpon North American fern with narrow fronds on yellowish leafstalks
subtype: #Cyrtomium_aculeatum__holly_fern__hollyfern__polystichumaculeatum tropical Old World fern having glossy fronds suggestive of holly; sometimes placed in genus Polystichum
subtype: #bladder_fern__bladderfern any fern of the genus Cystopteris characterized by a hooded indusium or bladderlike membrane covering the sori
subtype: #brittle_bladder_fern__brittlebladderfern__brittle_fern__brittlefern__fragile_fern__fragilefern__Cystopteris_fragilis delicate fern widely distributed in North America and European having thin pinnatifid fronds with brittle stems
subtype: #mountain_bladder_fern__Cystopteris_montana fern of rocky mountainous areas of hemisphere
subtype: #bulblet_fern__bulbletfern__bulbletbladderfern__berry_fern__berryfern__cystopterisbulbifera North American fern often bearing bulbils on the leaflets
subtype: #silvery_spleenwort__silveryspleenwort__Deparia_acrostichoides__Athyrium_thelypteroides fern with elongate silvery outgrowths enclosing the developing spores
subtype: #oak_fern__oakfern__Gymnocarpium_dryopteris__Thelypteris_dryopteris bright blue-green fern widely distributed especially in damp acid woodlands of temperate northern hemisphere
subtype: #limestone_fern__limestonefern__northern_oak_fern__Gymnocarpium_robertianum yellow-green fern of rocky areas of northern hemisphere
subtype: #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
subtype: #hart's-tongue_fern__hart's-tongue__Olfersia_cervina__Polybotrya_cervina__Polybotria_cervina tropical American terrestrial fern with leathery lanceolate fronds; sometimes placed in genus Polybotrya
subtype: #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
subtype: #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
subtype: #holly_fern__hollyfern any of various ferns of the genus Polystichum having fronds with texture and gloss like holly
subtype: #Braun's_holly_fern__prickly_shield_fern__Polystichum_braunii North American fern whose more or less evergreen leathery fronds are covered with pale brown chafflike scales
subtype: #northern_holly_fern__Polystichum_lonchitis evergreen European fern widely cultivated
subtype: #western_holly_fern__westernhollyfern__Polystichum_scopulinum North American fern
subtype: #leatherleaf_fern__leatherleaffern__leather_fern__leatherfern__tendayfern__Rumohra_adiantiformis__Polystichum_adiantiformis widely distributed fern of tropical southern hemisphere having leathery pinnatifid fronds
subtype: #Tectaria_cicutaria__button_fern Jamaican fern having round buttonlike bulbils
subtype: #Indian_button_fern__Tectaria_macrodonta fern of tropical Asia having round buttonlike bulbils
subtype: #woodsia any fern of the genus Woodsia
subtype: #rusty_woodsia__rustywoodsia__fragrant_woodsia__oblong_woodsia__Woodsia_ilvensis a common rock-inhabiting fern of northern temperate regions having rusty-brown stipes and lanceolate pinnate fronds
subtype: #Alpine_woodsia__northern_woodsia__flower-cup_fern__Woodsia_alpina slender fern of northern North America with shining chestnut-colored stipes and bipinnate fronds with usually distinct marginal sori
subtype: #smooth_woodsia__Woodsia_glabella rock-inhabiting fern of Arctic and subarctic Europe to eastern Asia
subtype: #oleander_fern__Oleandra_neriiformis__Oleandra_mollis tropical fern having leathery fronds resembling oleander; found from Asia to Polynesia
subtype: #sword_fern__swordfern any of several tropical ferns having more or less sword-shaped fronds including one from which the Boston fern developed
subtype: #Boston_fern__Nephrolepis_exaltata__Nephrolepis_exaltata_bostoniensis a sword fern with arching or drooping pinnate fronds; a popular houseplant
subtype: #basket_fern__toothed_sword_fern__toothedswordfern__Nephrolepis_pectinata tropical American fern cultivated for its finely divided grayish-green foliage; West Indies and southern Mexico to Peru and Brazil
subtype: #leather_fern__leatherfern__goldenfern__Acrostichum_aureum stout tropical swamp fern (especially tropical America) having large fronds with golden yellow sporangia covering the undersides
subtype: #maidenhair_fern__maidenhair any of various small to large terrestrial ferns of the genus Adiantum having delicate palmately branched fronds
subtype: #common_maidenhair__Venushair__Venus'-hair_fern__southern_maidenhair__Venus_maidenhair__Adiantum_capillus-veneris delicate maidenhair fern with slender shining black leaf stalks; cosmopolitan
subtype: #American_maidenhair_fern__five-fingered_maidenhair_fern__Adiantum_pedatum hardy palmately branched North American fern with divergent recurved branches borne on lustrous dark reddish stipes
subtype: #Bermuda_maidenhair_fern__Bermuda_maidenhair__Adiantum_bellum delicate endemic Bermudian fern with creeping rootstock
subtype: #brittle_maidenhair_fern__brittle_maidenhair__brittlemaidenhair__Adiantum_tenerum tropical American fern with broad pinnae; widely cultivated
subtype: #Farley_maidenhair_fern__Farley_maidenhair__Barbados_maidenhair__glory_fern__gloryfern__adiantumtenerumfarleyense named for a country house in Barbados where it was discovered
subtype: #annual_fern__Jersey_fern__Anogramma_leptophylla small short-lived fern of Central and South America
subtype: #lip_fern__lipfern any of various terrestrial ferns of the genus Cheilanthes; cosmopolitan in arid and semi-arid temperate or tropical regions
subtype: #smooth_lip_fern__Alabama_lip_fern__Cheilanthes_alabamensis southeastern United States to northern Mexico and Jamaica
subtype: #wooly_lip_fern__woolylipfern__hairy_lip_fern__hairylipfern__Cheilanthes_lanosa small North American evergreen fern whose stipes and lower frond surfaces are densely wooly
subtype: #southwestern_lip_fern__Cheilanthes_eatonii lip fern of Texas to Oklahoma and Colorado and Arizona and Mexico having tall erect tufted fronds
subtype: #lace_fern__Cheilanthes_gracillima small tufted fern of northwestern America
subtype: #bamboo_fern__Coniogramme_japonica fast-growing sturdy Japanese fern; cultivated for their attractive broad dark-green pinnate fronds
subtype: #rock_brake dwarf deciduous lithophytic ferns
subtype: #American_rock_brake__American_parsley_fern__Cryptogramma_acrostichoides rock-inhabiting fern of northern North America growing in massive tufts and having fronds resembling parsley
subtype: #European_parsley_fern__mountain_parsley_fern__Cryptogramma_crispa fern of Europe and Asia Minor having short slender rhizome and densely tufted bright green fronds resembling parsley
subtype: #hand_fern__Doryopteris_pedata tropical American fern with coarsely lobed to palmatifid fronds
subtype: #cliff_brake__cliffbrake__rock_brake any of several small lithophytic ferns of tropical and warm temperate regions
subtype: #coffee_fern__Pellaea_andromedifolia evergreen fern of California and Baja California
subtype: #purple_rock_brake__Pellaea_atropurpurea very short shallowly creeping North American fern usually growing on cliffs or walls and having dark glossy leaf axes
subtype: #bird's-foot_fern__Pellaea_mucronata__Pellaea_ornithopus cliff brake of California and Baja California having purple-brown leafstalks
subtype: #button_fern__Pellaea_rotundifolia fern of New Zealand and Australia having trailing fronds with dark green buttonlike leaflets
subtype: #Pityrogramma_argentea__silver_fern fern of southern tropical Africa having fronds with white undersides
subtype: #silver_fern__Pityrogramma_calomelanos tropical American fern having fronds with white undersides
subtype: #golden_fern__Pityrogramma_calomelanos_aureoflava tropical American fern having fronds with light golden undersides
subtype: #gold_fern__Pityrogramma_chrysophylla fern of West Indies and South America having fronds with bright golden-yellow undersides
subtype: #brake.fern any of various ferns of the genus Pteris having pinnately compound leaves and including several popular houseplants
subtype: #Pteris_cretica cultivated in many varieties as houseplants
subtype: #spider_brake__spider_fern__Pteris_multifida Asiatic fern introduced in America
subtype: #ribbon_fern__spider_fern__Pteris_serrulata fern of North Africa and Azores and Canary Islands
subtype: #potato_fern__Marattia_salicina large Australasian evergreen fern with an edible rhizome sometimes used as a vegetable by indigenous people
subtype: #marsh_fern__marshfern__thelypterispalustri__Dryopteris_thelypteris fern having pinnatifid fronds and growing in wet places; cosmopolitan in north temperate regions
subtype: #snuffbox_fern__meadow_fern__Thelypteris_palustris_pubescens__Dryopteris_thelypteris_pubescens fern of northeastern North America
subtype: #christella any of several tropical ferns of the genus Christella having thin brittle fronds
subtype: #mountain_fern__Oreopteris_limbosperma__Dryopteris_oreopteris common European mountain fern having fragrant lemon or balsam scented fronds
subtype: #New_York_fern__Parathelypteris_novae-boracensis__Dryopteris_noveboracensis slender shield fern of moist woods of eastern North America; sometimes placed in genus Dryopteris
subtype: #Massachusetts_fern__Parathelypteris_simulata__Thelypteris_simulata delicate feathery shield fern of the eastern United States; sometimes placed in genus Thelypteris
subtype: #beech_fern__beechfern any fern of the genus Phegopteris having deeply cut triangular fronds
subtype: #broad_beech_fern__broadbeechfern__southern_beech_fern__Phegopteris_hexagonoptera__Dryopteris_hexagonoptera__Thelypteris_hexagonoptera beech fern of North American woodlands having straw-colored stripes
subtype: #long_beech_fern__narrow_beech_fern__northern_beech_fern__Phegopteris_connectilis__Dryopteris_phegopteris__Thelypteris_phegopteris beech fern of North America and Eurasia
subtype: #fern_ally pteridophytes of other classes than Filicopsida
subtype: #whisk_fern__whiskfern chiefly tropical clump-forming plants of skeletal appearance resembling whisk brooms; lacking roots
subtype: #skeleton_fork_fern__Psilotum_nudum pantropical epiphytic or terrestrial whisk fern with usually dull yellow branches and minute leaves; America; Japan; Australia
subtype: #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
subtype: #common_horsetail__field_horsetail__fieldhorsetail__Equisetum_arvense of Eurasia and Greenland and North America
subtype: #swamp_horsetail__swamphorsetail__water_horsetail__Equisetum_fluviatile Eurasia; northern North America to Virginia
subtype: #scouring_rush__rough_horsetail__roughhorsetail__Equisetum_hyemale__Equisetum_hyemale_robustum__Equisetum_robustum evergreen erect horsetail with rough-edged stems; formerly used for scouring utensils
subtype: #marsh_horsetail__marshhorsetail__Equisetum_palustre scouring-rush horsetail widely distributed in wet or boggy areas of northern hemisphere
subtype: #wood_horsetail__Equisetum_Sylvaticum Eurasia except southern Russia; northern North America
subtype: #variegated_horsetail__variegated_scouring_rush__Equisetum_variegatum northern North America; Greenland; northern and central Europe
subtype: #club_moss__clubmoss__lycopod primitive evergreen mosslike plant with spores in club-shaped strobiles
subtype: #shining_clubmoss__Lycopodium_lucidulum a variety of clubmoss
subtype: #alpine_clubmoss__Lycopodium_alpinum a variety of clubmoss
subtype: #fir_clubmoss__mountain_clubmoss__little_clubmoss__Lycopodium_selago of northern Europe and America; resembling a miniature fir
subtype: #ground_pine__Christmas_green any of several club mosses having long creeping stems and erect branches
subtype: #running_pine__runningpine__lycopodiumclavitum a variety of clubmoss
subtype: #ground_cedar__staghorn_moss__Lycopodium_complanatum a variety of clubmoss
subtype: #ground_fir__princess_pine__tree_clubmoss__Lycopodium_obscurum a variety of clubmoss
subtype: #foxtail_grass__foxtailgras__Lycopodium_alopecuroides ground pine thickly covered with bristly leaves; widely distributed in barren sandy or peaty moist coastal regions of eastern and southeastern United States
subtype: #spikemoss__spikemos__spikemos__littleclubmos any of numerous fern allies of the genus Selaginella
subtype: #meadow_spikemoss__basket_spikemoss__Selaginella_apoda spikemoss forming dense mats; eastern North America
subtype: #rock_spikemoss__dwarf_lycopod__dwarflycopod__Selaginella_rupestris tufted spikemoss forming loose spreading mats; eastern North America
subtype: #desert_selaginella__Selaginella_eremophila prostrate spikemoss; California
subtype: #resurrection_plant__rose_of_Jericho__Selaginella_lepidophylla densely tufted fern ally of southwestern United States to Peru; curls up in a tight ball when dry and expands and grows under moist conditions
subtype: #florida_selaginella__floridaselaginella__Selaginella_eatonii occurs widely in Florida
subtype: #quillwort any of several spore-bearing aquatic or marsh plants having short rhizomes and leaves resembling quills; worldwide except Polynesia
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