''Hymenophyllum'' is a genus of

fern A fern (Polypodiopsida or Polypodiophyta ) is a member of a group of vascular plants (plants with xylem and phloem) that reproduce via spores and have neither seeds nor flowers. The polypodiophytes include all living pteridophytes except t ...

s in the family

Hymenophyllaceae The Hymenophyllaceae, the filmy ferns and bristle ferns, are a family of two to nine genera (depending on classification system) and about 650 known species of ferns, with a subcosmopolitan distribution, but generally restricted to very damp pla ...

. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved ferns. The leaves are generally only one cell thick and lack stomata, making them vulnerable to

desiccation Desiccation () is the state of extreme dryness, or the process of extreme drying. A desiccant is a hygroscopic (attracts and holds water) substance that induces or sustains such a state in its local vicinity in a moderately sealed container. ...

. Consequently, they are found only in very humid areas, such as in moist forests and among sheltered rocks. They are small and easy to overlook.

Species

, World Ferns accepted the following extant species: *'' Hymenophyllum abruptum'' Hook. *''

Hymenophyllum acanthoides ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' (Bosch) Rosenst. *'' Hymenophyllum acutum'' (C.Presl) Ebihara & K.Iwats. *''

Hymenophyllum adiantoides ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Bosch *'' Hymenophyllum aeruginosum'' (Poir.) Carmich. *'' Hymenophyllum alveolatum'' C.Chr. *''

Hymenophyllum amabile ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Morton *''

Hymenophyllum andinum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Bosch *'' Hymenophyllum angulosum'' Christ *'' Hymenophyllum angustum'' Bosch *''

Hymenophyllum antillense ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' (Jenman) Jenman *'' Hymenophyllum apiculatum'' Mett. ex Kuhn *''

Hymenophyllum applanatum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' (A.M.Gray & R.G.Williams) Ebihara & K.Iwats. *'' Hymenophyllum apteryx'' M.Kessler & Sundue *''

Hymenophyllum archboldii ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' (Copel.) C.V.Morton *''

Hymenophyllum armstrongii ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' (Baker) Kuhn *''

Hymenophyllum asplenioides ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' (Sw.) Sw. *''

Hymenophyllum assurgens ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' M.Kessler & A.R.Sm. *''

Hymenophyllum australe ''Hymenophyllum australe'', commonly known as austral filmy fern, is a relatively large rupestral and epiphytic fern, indigenous to eastern Australia and New Zealand. It belongs to the unique ''Hymenophyllum'' genus (filmy ferns), which are char ...

'' Willd. *''

Hymenophyllum axillare ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Sw. *''

Hymenophyllum badium ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Hook. & Grev. *''

Hymenophyllum baileyanum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Domin *''

Hymenophyllum balfourii ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Baker *''

Hymenophyllum barbatum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' (Bosch) Baker *''

Hymenophyllum bartlettii ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' (Copel.) C.V.Morton *''

Hymenophyllum batuense ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Rosenst. *''

Hymenophyllum bicolanum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Copel. *'' Hymenophyllum bivalve'' (G.Forst.) Sw. *'' Hymenophyllum blandum'' Racib. *'' Hymenophyllum bontocense'' Copel. *'' Hymenophyllum brachyglossum'' A.Braun ex Kunze *''

Hymenophyllum brachypus ''Hymenophyllum brachypus'' is a species of fern in the family Hymenophyllaceae. It is endemic to Ecuador. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat loss Habitat destruction (also ter ...

'' Sodiro *'' Hymenophyllum braithwaitei'' Ebihara & K.Iwats. *'' Hymenophyllum brassii'' C.Chr. *'' Hymenophyllum brevifrons'' Kunze *''

Hymenophyllum brevistipes ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Liebm. *''

Hymenophyllum bryoides ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' C.W.Chen, Ebihara & K.Y.Cheng *'' Hymenophyllum bryophilum'' C.Chr. *''

Hymenophyllum caespitosum ''Hymenophyllum falklandicum'', the Falklands filmy fern, is a plant in the fern family Hymenophyllaceae. It is native to southern South America and some subantarctic islands. Description ''Hymenophyllum falklandicum'' grows as a very small fern ...

'' Gaudich. *'' Hymenophyllum caparaoense'' Brade *'' Hymenophyllum capense'' Schrad. *''

Hymenophyllum capillaceum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Roxb. *'' Hymenophyllum capillare'' Desv. *'' Hymenophyllum capurroi'' de la Sota *'' Hymenophyllum cardunculus'' C.Chr. *'' Hymenophyllum caudiculatum'' Mart. *'' Hymenophyllum chamaecyparicola'' T.C.Hsu & Z.X.Chang *'' Hymenophyllum cocosense'' A.Rojas *''

Hymenophyllum compactum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Bonap. *''

Hymenophyllum consanguineum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' C.V.Morton *''

Hymenophyllum copelandii ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' C.V.Morton *''

Hymenophyllum cordobense ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' (Hieron.) C.Larsen & Arana *'' Hymenophyllum corrugatum'' Christ *'' Hymenophyllum crassipetiolatum'' Stolze *''

Hymenophyllum crispatoalatum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Hayata *'' Hymenophyllum crispatum'' Wall. ex Hook. & Grev. *'' Hymenophyllum crispum'' Kunth *''

Hymenophyllum cristatum ''Hymenophyllum cristatum'' is a species of fern in the family Hymenophyllaceae. It is endemic to Ecuador. Its natural habitats are subtropical or tropical moist montane forests and subtropical or tropical high-altitude grassland. It is threate ...

'' Hook. & Grev. *'' Hymenophyllum cruentum'' Cav. *'' Hymenophyllum cuneatum'' Kunze *''

Hymenophyllum cupressiforme '' Hymenophyllum cupressiforme'' is a southern hemisphere species of Hymenophyllum, filmy fern. Found in moist sheltered areas, in or near rainforests. Occasionally found in drier protected areas. Leaves one cell thick. A small epiphytic fern fou ...

'' Labill. *'' Hymenophyllum darwinii'' Hook.fil. *'' Hymenophyllum delicatulum'' Sehnem *'' Hymenophyllum deltoideum'' C.Chr. *''

Hymenophyllum demissum ''Hymenophyllum demissum'' is a species of fern in the family Hymenophyllaceae. ''H. demissum'' is found in New Zealand, with a specific example occurrence being in North Island's Hamilton Ecological District in a Nothofagus-podocarp forest in as ...

'' (G.Forst.) Sw. *''

Hymenophyllum densipilosum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' A.Rojas *'' Hymenophyllum dentatum'' Cav. *'' Hymenophyllum denticulatum'' Sw. *''

Hymenophyllum dependens ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' C.V.Morton *'' Hymenophyllum deplanchei'' Mett. ex Kuhn *''

Hymenophyllum devolii ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' M.J.Lai *'' Hymenophyllum dicranotrichum'' (C.Presl) Sadeb. *''

Hymenophyllum digitatum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' (Sw.) Fosberg *'' Hymenophyllum dilatatum'' (G.Forst.) Sw. *''

Hymenophyllum dimidiatum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Mett. ex Kuhn *'' Hymenophyllum diversilobum'' (C.Presl) Fée *'' Hymenophyllum eboracense'' Croxall *''

Hymenophyllum ectocarpon ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Fée *'' Hymenophyllum edanoi'' (Copel.) C.V.Morton *'' Hymenophyllum edentulum'' (Bosch) C.Chr. *'' Hymenophyllum elbertii'' Rosenst. *''

Hymenophyllum elegans ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Spreng. *'' Hymenophyllum elongatum'' J.W.Grimes *'' Hymenophyllum emarginatum'' Sw. *'' Hymenophyllum exquisitum'' T.C.Hsu & Y.S.Chao *''

Hymenophyllum exsertum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Wall. ex Hook. *''

Hymenophyllum falklandicum ''Hymenophyllum falklandicum'', the Falklands filmy fern, is a plant in the fern family Hymenophyllaceae. It is native to southern South America and some subantarctic islands. Description ''Hymenophyllum falklandicum'' grows as a very small fern ...

'' Baker *'' Hymenophyllum farallonense'' Hieron. *'' Hymenophyllum feejeense'' Brack. *'' Hymenophyllum fendlerianum'' Sturm *''

Hymenophyllum ferax ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Bosch *'' Hymenophyllum ferrugineum'' Colla *''

Hymenophyllum fimbriatum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' J.Sm. *'' Hymenophyllum firmum'' Alderw. *'' Hymenophyllum flabellatum'' Labill. *''

Hymenophyllum flexuosum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' A.Cunn. *''

Hymenophyllum foersteri ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Rosenst. *'' Hymenophyllum foxworthyi'' Copel. *'' Hymenophyllum fragile'' (Hedw.) Morton *'' Hymenophyllum francii'' (Christ) Ebihara & K.Iwats. *''

Hymenophyllum frankliniae ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Colenso *'' Hymenophyllum fuciforme'' Sw. *'' Hymenophyllum fucoides'' (Sw.) Sw. *''

Hymenophyllum fujisanense ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Nakai *'' Hymenophyllum fumarioides'' Bory ex Willd. *'' Hymenophyllum fuscum'' (Blume) Bosch *''

Hymenophyllum gardneri ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Bosch *'' Hymenophyllum geluense'' Rosenst. *''

Hymenophyllum glaziovii ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Baker *'' Hymenophyllum gorgoneum'' Copel. *'' Hymenophyllum gracilescens'' Domin *'' Hymenophyllum hallieri'' Rosenst. *'' Hymenophyllum hastatum'' A.Rojas *''

Hymenophyllum heimii ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Tardieu *'' Hymenophyllum helicoideum'' Sodiro *''

Hymenophyllum hemidimorphum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' R.C.Moran & B.Øllg. *'' Hymenophyllum hemipteron'' Rosenst. *'' Hymenophyllum herzogii'' Rosenst. *''

Hymenophyllum hieronymi ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' (Brause) C.Chr. *''

Hymenophyllum hirsutum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' (L.) Sw. *''

Hymenophyllum hirtellum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Sw. *'' Hymenophyllum holochilum'' (Bosch) C.Chr. *''

Hymenophyllum horizontale ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' C.V.Morton *''

Hymenophyllum hosei ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Copel. *'' Hymenophyllum humbertii'' C.Chr. *'' Hymenophyllum humboldtianum'' E.Fourn. *'' Hymenophyllum hygrometricum'' (Poir.) Desv. *''

Hymenophyllum imbricatum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Blume *'' Hymenophyllum inaequale'' (Poir.) Desv. *''

Hymenophyllum integrivalvatum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' C.Sánchez *''

Hymenophyllum interruptum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Kunze *''

Hymenophyllum involucratum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Copel. *'' Hymenophyllum ivohibense'' Tardieu *'' Hymenophyllum jamesonii'' Hook. *'' Hymenophyllum javanicum'' Spreng. *'' Hymenophyllum jimenezii'' A.R.Sm. & M.Kessler *'' Hymenophyllum johorense'' Holttum *''

Hymenophyllum junghuhnii ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Bosch *''

Hymenophyllum kaieteurum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Jenman *'' Hymenophyllum karstenianum'' J.W.Sturm *'' Hymenophyllum kerianum'' Watts *'' Hymenophyllum klabatense'' Christ *''

Hymenophyllum krauseanum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Phil. *''

Hymenophyllum kuhnii ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' C.Chr. *'' Hymenophyllum l´herminieri'' Mett. ex Kuhn *'' Hymenophyllum lamellatum'' Stolze *''

Hymenophyllum laminatum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Copel. *'' Hymenophyllum lanatum'' Fée *'' Hymenophyllum lanceolatum'' Hook. & Arn. *'' Hymenophyllum latifrons'' Bosch *'' Hymenophyllum latisorum'' M.Kessler & A.R.Sm. *'' Hymenophyllum laxum'' (Copel.) C.V.Morton *'' Hymenophyllum ledermannii'' Brause *'' Hymenophyllum lehmannii'' Hieron. *'' Hymenophyllum leptocarpum'' Copel. *'' Hymenophyllum leratii'' Rosenst. *'' Hymenophyllum levingei'' C.B.Clarke *''

Hymenophyllum lindenii ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Hook. *''

Hymenophyllum lineare ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' (Sw.) Sw. *''

Hymenophyllum lobatoalatum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Klotzsch *'' Hymenophyllum lobbii'' Moore ex Bosch *'' Hymenophyllum longifolium'' Alderw. *'' Hymenophyllum longissimum'' (Ching & P.S.Chiu) K.Iwats. *'' Hymenophyllum lyallii'' Hook.fil. *'' Hymenophyllum macgillivrayi'' (Baker) Copel. *'' Hymenophyllum macroglossum'' Bosch *'' Hymenophyllum macrosorum'' Alderw. *''

Hymenophyllum macrothecum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Fée *'' Hymenophyllum maderense'' Gibby & Lovis *'' Hymenophyllum malingii'' (Hook.) Mett. *'' Hymenophyllum marginatum'' Hook. & Grev. *''

Hymenophyllum matthewsii ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Bosch *'' Hymenophyllum maxonii'' Christ ex Morton *'' Hymenophyllum megistocarpum'' (Copel.) C.V.Morton *'' Hymenophyllum melanosorum'' (Copel.) C.V.Morton *''

Hymenophyllum microcarpum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Desv. *'' Hymenophyllum microchilum'' (Baker) C.Chr. *'' Hymenophyllum mikawanum'' (Seriz.) Seriz. *''

Hymenophyllum minimum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' A.Rich. *''

Hymenophyllum mirificum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Morton *'' Hymenophyllum mnioides'' Baker *''

Hymenophyllum molle ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' C.V.Morton *'' Hymenophyllum mortonianum'' Lellinger *'' Hymenophyllum mossambicense'' (Schelpe) Schippers *''

Hymenophyllum multialatum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' C.V.Morton *'' Hymenophyllum multicristatum'' A.Rojas *'' Hymenophyllum multifidum'' (G.Forst.) Sw. *'' Hymenophyllum myriocarpum'' Hook. *''

Hymenophyllum nahuelhuapiense ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Diem & J.S.Licht. *'' Hymenophyllum nanostellatum'' Lellinger *'' Hymenophyllum nanum'' Sodiro *'' Hymenophyllum neocaledonicum'' (C.Chr.) Rouhan & C.Del Rio *''

Hymenophyllum nephrophyllum ''Hymenophyllum nephrophyllum'', the kidney fern, is a filmy fern species native to New Zealand. It commonly grows on the forest floor of open native bush. Individual kidney-shaped fronds stand about 5–10 cm tall. In hot weather they shriv ...

'' Ebihara & K.Iwats. *'' Hymenophyllum nitiduloides'' Copel. *'' Hymenophyllum nitidulum'' (Bosch) Ebihara & K.Iwats. *'' Hymenophyllum novoguineense'' (Rosenst.) K.Iwats. *'' Hymenophyllum nutantifolium'' Alderw. *'' Hymenophyllum obtusum'' Hook. & Arn. *''

Hymenophyllum oligosorum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Makino *''

Hymenophyllum ooides ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' F.Muell. & Baker ex Baker *''

Hymenophyllum ovatum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Copel. *'' Hymenophyllum pachydermicum'' Ces. *'' Hymenophyllum pallidum'' (Blume) Ebihara & K.Iwats. *'' Hymenophyllum palmatifidum'' (Müll.Berol.) Ebihara & K.Iwats. *''

Hymenophyllum paniculiflorum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' C.Presl *''

Hymenophyllum paniense ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Ebihara & K.Iwats. *'' Hymenophyllum pantotactum'' Alderw. *'' Hymenophyllum parallelocarpum'' Hayata *''

Hymenophyllum paucicarpum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Jenman *''

Hymenophyllum pectinatum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Cav. *'' Hymenophyllum peltatum'' (Poir.) Desv. *'' Hymenophyllum penangianum'' Matthew & Christ ex Christ *'' Hymenophyllum perparvulum'' Alderw. *'' Hymenophyllum perrieri'' Tardieu *'' Hymenophyllum pilosissimum'' C.Chr. *'' Hymenophyllum pilosum'' Alderw. *'' Hymenophyllum platylobum'' Bosch *'' Hymenophyllum plicatum'' Kaulf. *'' Hymenophyllum plumieri'' Hook. & Grev. *'' Hymenophyllum plumosum'' Kaulf. *'' Hymenophyllum pluviatile'' Perrie & Brownsey *''

Hymenophyllum pollemonianum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Rosenst. *''

Hymenophyllum polyanthos ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' (Sw.) Sw. *'' Hymenophyllum poolii'' Baker *''

Hymenophyllum praetervisum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Christ *''

Hymenophyllum prionema ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Kunze *''

Hymenophyllum proctoris ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' C.Sánchez *'' Hymenophyllum productum'' Kunze *'' Hymenophyllum protrusum'' Hook. *'' Hymenophyllum pulchellum'' Schltdl. & Cham. *''

Hymenophyllum pulcherrimum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Colenso *'' Hymenophyllum pumilio'' Rosenst. *'' Hymenophyllum pumilum'' C.Moore *''

Hymenophyllum punctisorum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Rosenst. *'' Hymenophyllum pyramidatum'' Desv. *''

Hymenophyllum quetrihuense ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Diem & J.S.Licht. *''

Hymenophyllum ramosii ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Copel. *'' Hymenophyllum rarum'' R.Br. *'' Hymenophyllum recurvum'' Gaudich. *''

Hymenophyllum reinwardtii ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Bosch *'' Hymenophyllum revolutum'' Colenso *'' Hymenophyllum ringens'' Christ *'' Hymenophyllum riukiuense'' Christ *'' Hymenophyllum rolandi-principis'' Rosenst. *''

Hymenophyllum roraimense ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' C.V.Morton *'' Hymenophyllum rubellum'' Rosenst. *''

Hymenophyllum rufescens ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Kirk *''

Hymenophyllum rufifolium ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Alderw. *'' Hymenophyllum rufifrons'' Alderw. *'' Hymenophyllum rufum'' Fée *'' Hymenophyllum rugosum'' C.Chr. & Skottsb. *'' Hymenophyllum ruizianum'' (Klotzsch) Kunze *'' Hymenophyllum saenzianum'' L.D.Gómez *'' Hymenophyllum salakense'' Racib. *'' Hymenophyllum sampaioanum'' Brade & Rosenst. *''

Hymenophyllum sanguinolentum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' (G.Forst.) Sw. *'' Hymenophyllum scabrum'' A.Rich. *'' Hymenophyllum secundum'' Hook. & Grev. *'' Hymenophyllum semialatum'' T.C.Hsu *''

Hymenophyllum semiglabrum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Rosenst. *''

Hymenophyllum senterreanum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Dubuisson & Deblauwe *'' Hymenophyllum seramense'' K.Iwats., M.Kato & Ebihara *''

Hymenophyllum sericeum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' (Sw.) Sw. *''

Hymenophyllum serrulatum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' (C.Presl) C.Chr. *''

Hymenophyllum seselifolium ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' C.Presl *'' Hymenophyllum sibthorpioides'' (Bory ex Willd.) Mett. ex Kuhn *'' Hymenophyllum sieberi'' (C.Presl) Bosch *''

Hymenophyllum silvaticum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' C.V.Morton *'' Hymenophyllum silveirae'' Christ *'' Hymenophyllum simonsianum'' Hook. *'' Hymenophyllum simplex'' C.V.Morton *'' Hymenophyllum sodiroi'' C.Chr. *''

Hymenophyllum soriemersum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Rouhan & C.Del Rio *'' Hymenophyllum splendidum'' Bosch *''

Hymenophyllum stenocladum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' (Ching & P.S.Chiu) K.Iwats. *'' Hymenophyllum subdemissum'' Christ *''

Hymenophyllum subobtusum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Rosenst. *'' Hymenophyllum subrigidum'' Christ *''

Hymenophyllum superbum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Morton *'' Hymenophyllum taiwanense'' (Tagawa) C.V.Morton *'' Hymenophyllum talamancanum'' A.Rojas *'' Hymenophyllum taliabense'' Alderw. *'' Hymenophyllum tarapotense'' Stolze *''

Hymenophyllum tayloriae ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Farrar & Raine *'' Hymenophyllum tegularis'' (Desv.) Proctor & Lourteig *'' Hymenophyllum tenerum'' Bosch *''

Hymenophyllum thuidium ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Harr. *'' Hymenophyllum todjambuense'' Kjellb. *'' Hymenophyllum tomaniiviense'' (Brownlie) Ebihara & K.Iwats. *'' Hymenophyllum tomentosum'' Kunze *'' Hymenophyllum tortuosum'' Hook. & Grev. *'' Hymenophyllum trapezoidale'' Liebm. *'' Hymenophyllum treubii'' Racib. *'' Hymenophyllum triangulare'' Baker *'' Hymenophyllum trichomanoides'' Bosch *'' Hymenophyllum trichophorum'' (Alderw.) Ebihara & K.Iwats. *''

Hymenophyllum trichophyllum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Kunth *''

Hymenophyllum trifoliatum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' (L.) Proctor & Lourteig *''

Hymenophyllum tunbrigense ''Hymenophyllum tunbrigense'', the Tunbridge filmy fern or Tunbridge filmy-fern, is a small, fragile perennial leptosporangiate fern which forms large dense colonies of overlapping leaves from creeping rhizomes. The common name derives from the ...

'' (L.) Sm. *''

Hymenophyllum turquinense ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' C.Sánchez *''

Hymenophyllum umbratile ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Diem & J.S.Licht. *''

Hymenophyllum undulatum ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' (Sw.) Sw. *'' Hymenophyllum urbanii'' Brause *'' Hymenophyllum valvatum'' Hook. & Grev. *'' Hymenophyllum verecundum'' Morton *'' Hymenophyllum veronicoides'' C.Chr. *'' Hymenophyllum vestitum'' (C.Presl) Bosch *'' Hymenophyllum viguieri'' Tardieu *'' Hymenophyllum villosum'' Colenso *'' Hymenophyllum vittatum'' Copel. *''

Hymenophyllum walleri ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' Maiden & Betche *'' Hymenophyllum whitei'' Goy *''

Hymenophyllum wilsonii ''Hymenophyllum wilsonii'', the Wilson's filmy-fern, is a small, fragile, perennial leptosporangiate fern which forms large dense colonies from creeping rhizomes. Distribution Confined to western Europe (Britain, Ireland, France, Norway, Spain ...

'' Hook. *'' Hymenophyllum wrightii'' Bosch Extinct species include: *†''

Hymenophyllum axsmithii ''Hymenophyllum'' is a genus of ferns in the family Hymenophyllaceae. Its name means "membranous leaf", referring to the very thin translucent tissue of the fronds, which gives rise to the common name filmy fern for this and other thin-leaved fern ...

'' (

Ypresian In the geologic timescale the Ypresian is the oldest age (geology), age or lowest stage (stratigraphy), stratigraphic stage of the Eocene. It spans the time between , is preceded by the Thanetian Age (part of the Paleocene) and is followed by th ...

Eocene Okanagan Highlands The Eocene Okanagan Highlands or Eocene Okanogan Highlands are a series of Early Eocene geological formations which span a transect of British Columbia, Canada, and Washington state, United States. Known for a highly diverse and detailed Paleoflo ...

North America)

References

External links

Ferns of the genus ''Hymenophyllum'' observed in CornwallFilmy ferns
webpage of School of Biological Sciences, University of Auckland, New Zealand

{{Taxonbar, from=Q587453 Taxonomy articles created by Polbot Fern genera

Species

See also

References

External links