''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 ...

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 pl ...

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

Hymenophyllum aeruginosum ''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 ...

'' (Poir.) Carmich. *'' Hymenophyllum alveolatum'' C.Chr. *'' Hymenophyllum amabile'' Morton *'' Hymenophyllum andinum'' Bosch *'' Hymenophyllum angulosum'' Christ *''

Hymenophyllum angustum ''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 antillense'' (Jenman) Jenman *''

Hymenophyllum apiculatum ''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 applanatum'' (A.M.Gray & R.G.Williams) Ebihara & K.Iwats. *''

Hymenophyllum apteryx ''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 & Sundue *'' Hymenophyllum archboldii'' (Copel.) C.V.Morton *'' Hymenophyllum armstrongii'' (Baker) Kuhn *'' Hymenophyllum asplenioides'' (Sw.) Sw. *'' Hymenophyllum assurgens'' M.Kessler & A.R.Sm. *'' Hymenophyllum australe'' Willd. *'' Hymenophyllum axillare'' Sw. *'' Hymenophyllum badium'' Hook. & Grev. *'' Hymenophyllum baileyanum'' Domin *'' Hymenophyllum balfourii'' Baker *'' Hymenophyllum barbatum'' (Bosch) Baker *'' Hymenophyllum bartlettii'' (Copel.) C.V.Morton *'' Hymenophyllum batuense'' Rosenst. *'' Hymenophyllum bicolanum'' Copel. *''

Hymenophyllum bivalve ''Hymenophyllum bivalve'' is a species of filmy fern. Found in moist sheltered areas, in or near mountain rainforests in Australia and New Zealand. The habitat is on tree trunks, rocks and fallen logs. References bivalve Bivalvia () ...

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

Hymenophyllum braithwaitei ''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 brassii'' C.Chr. *''

Hymenophyllum brevifrons ''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 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'' C.W.Chen, Ebihara & K.Y.Cheng *'' Hymenophyllum bryophilum'' C.Chr. *'' Hymenophyllum caespitosum'' Gaudich. *'' Hymenophyllum caparaoense'' Brade *''

Hymenophyllum capense ''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 ...

'' Schrad. *'' Hymenophyllum capillaceum'' Roxb. *''

Hymenophyllum capillare ''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 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'' Bonap. *'' Hymenophyllum consanguineum'' C.V.Morton *'' Hymenophyllum copelandii'' C.V.Morton *'' Hymenophyllum cordobense'' (Hieron.) C.Larsen & Arana *'' Hymenophyllum corrugatum'' Christ *''

Hymenophyllum crassipetiolatum ''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 ...

'' Stolze *'' Hymenophyllum crispatoalatum'' Hayata *''

Hymenophyllum crispatum ''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. & Grev. *'' Hymenophyllum crispum'' Kunth *'' Hymenophyllum cristatum'' Hook. & Grev. *'' Hymenophyllum cruentum'' Cav. *'' Hymenophyllum cuneatum'' Kunze *'' Hymenophyllum cupressiforme'' Labill. *'' Hymenophyllum darwinii'' Hook.fil. *''

Hymenophyllum delicatulum ''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 ...

'' Sehnem *''

Hymenophyllum deltoideum ''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 demissum'' (G.Forst.) Sw. *'' Hymenophyllum densipilosum'' A.Rojas *'' Hymenophyllum dentatum'' Cav. *''

Hymenophyllum denticulatum ''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 dependens'' C.V.Morton *''

Hymenophyllum deplanchei ''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 devolii'' M.J.Lai *'' Hymenophyllum dicranotrichum'' (C.Presl) Sadeb. *'' Hymenophyllum digitatum'' (Sw.) Fosberg *''

Hymenophyllum dilatatum ''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 dimidiatum'' Mett. ex Kuhn *''

Hymenophyllum diversilobum ''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) Fée *'' Hymenophyllum eboracense'' Croxall *'' Hymenophyllum ectocarpon'' Fée *''

Hymenophyllum edanoi ''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 ...

Hymenophyllum fragile ''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 ...

'' (Hedw.) Morton *''

Hymenophyllum francii ''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) Ebihara & K.Iwats. *'' Hymenophyllum frankliniae'' Colenso *''

Hymenophyllum fuciforme ''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 fucoides'' (Sw.) Sw. *'' Hymenophyllum fujisanense'' Nakai *'' Hymenophyllum fumarioides'' Bory ex Willd. *'' Hymenophyllum fuscum'' (Blume) Bosch *'' Hymenophyllum gardneri'' Bosch *'' Hymenophyllum geluense'' Rosenst. *'' Hymenophyllum glaziovii'' Baker *''

Hymenophyllum gorgoneum ''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 gracilescens ''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 hallieri ''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 hastatum'' A.Rojas *'' Hymenophyllum heimii'' Tardieu *''

Hymenophyllum helicoideum ''Hymenophyllum helicoideum'' 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 t ...

'' Sodiro *'' Hymenophyllum hemidimorphum'' R.C.Moran & B.Øllg. *'' Hymenophyllum hemipteron'' Rosenst. *'' Hymenophyllum herzogii'' Rosenst. *'' Hymenophyllum hieronymi'' (Brause) C.Chr. *'' Hymenophyllum hirsutum'' (L.) Sw. *'' Hymenophyllum hirtellum'' Sw. *'' Hymenophyllum holochilum'' (Bosch) C.Chr. *'' Hymenophyllum horizontale'' C.V.Morton *'' Hymenophyllum hosei'' Copel. *''

Hymenophyllum humbertii ''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 humboldtianum ''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 ...

'' E.Fourn. *''

Hymenophyllum hygrometricum ''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 ...

'' (Poir.) Desv. *'' Hymenophyllum imbricatum'' Blume *'' Hymenophyllum inaequale'' (Poir.) Desv. *'' Hymenophyllum integrivalvatum'' C.Sánchez *'' Hymenophyllum interruptum'' Kunze *'' Hymenophyllum involucratum'' Copel. *'' Hymenophyllum ivohibense'' Tardieu *'' Hymenophyllum jamesonii'' Hook. *''

Hymenophyllum javanicum ''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 jimenezii ''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.R.Sm. & M.Kessler *''

Hymenophyllum johorense ''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 ...

'' Holttum *'' Hymenophyllum junghuhnii'' Bosch *'' Hymenophyllum kaieteurum'' Jenman *'' Hymenophyllum karstenianum'' J.W.Sturm *'' Hymenophyllum kerianum'' Watts *'' Hymenophyllum klabatense'' Christ *'' Hymenophyllum krauseanum'' Phil. *'' Hymenophyllum kuhnii'' C.Chr. *'' Hymenophyllum l´herminieri'' Mett. ex Kuhn *'' Hymenophyllum lamellatum'' Stolze *'' Hymenophyllum laminatum'' Copel. *'' Hymenophyllum lanatum'' Fée *''

Hymenophyllum lanceolatum ''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. & Arn. *'' Hymenophyllum latifrons'' Bosch *''

Hymenophyllum latisorum ''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 laxum ''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 ledermannii ''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 *'' Hymenophyllum lehmannii'' Hieron. *'' Hymenophyllum leptocarpum'' Copel. *'' Hymenophyllum leratii'' Rosenst. *'' Hymenophyllum levingei'' C.B.Clarke *'' Hymenophyllum lindenii'' Hook. *'' Hymenophyllum lineare'' (Sw.) Sw. *'' Hymenophyllum lobatoalatum'' Klotzsch *'' Hymenophyllum lobbii'' Moore ex Bosch *'' Hymenophyllum longifolium'' Alderw. *'' Hymenophyllum longissimum'' (Ching & P.S.Chiu) K.Iwats. *''

Hymenophyllum lyallii ''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.fil. *'' Hymenophyllum macgillivrayi'' (Baker) Copel. *''

Hymenophyllum macroglossum ''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 macrosorum ''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 macrothecum'' Fée *''

Hymenophyllum maderense ''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 ...

'' Gibby & Lovis *''

Hymenophyllum malingii ''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.) Mett. *'' Hymenophyllum marginatum'' Hook. & Grev. *'' Hymenophyllum matthewsii'' Bosch *'' Hymenophyllum maxonii'' Christ ex Morton *'' Hymenophyllum megistocarpum'' (Copel.) C.V.Morton *'' Hymenophyllum melanosorum'' (Copel.) C.V.Morton *'' Hymenophyllum microcarpum'' Desv. *'' Hymenophyllum microchilum'' (Baker) C.Chr. *''

Hymenophyllum mikawanum ''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 ...

'' (Seriz.) Seriz. *'' Hymenophyllum minimum'' A.Rich. *'' Hymenophyllum mirificum'' Morton *'' Hymenophyllum mnioides'' Baker *'' Hymenophyllum molle'' C.V.Morton *'' Hymenophyllum mortonianum'' Lellinger *''

Hymenophyllum mossambicense ''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 ...

'' (Schelpe) Schippers *'' Hymenophyllum multialatum'' C.V.Morton *'' Hymenophyllum multicristatum'' A.Rojas *'' Hymenophyllum multifidum'' (G.Forst.) Sw. *'' Hymenophyllum myriocarpum'' Hook. *'' Hymenophyllum nahuelhuapiense'' Diem & J.S.Licht. *''

Hymenophyllum nanostellatum ''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 ...

'' Lellinger *'' Hymenophyllum nanum'' Sodiro *'' Hymenophyllum neocaledonicum'' (C.Chr.) Rouhan & C.Del Rio *'' Hymenophyllum nephrophyllum'' Ebihara & K.Iwats. *'' Hymenophyllum nitiduloides'' Copel. *'' Hymenophyllum nitidulum'' (Bosch) Ebihara & K.Iwats. *''

Hymenophyllum novoguineense ''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.) K.Iwats. *''

Hymenophyllum nutantifolium ''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 obtusum ''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. & Arn. *'' Hymenophyllum oligosorum'' Makino *'' Hymenophyllum ooides'' F.Muell. & Baker ex Baker *'' Hymenophyllum ovatum'' Copel. *''

Hymenophyllum pachydermicum ''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 ...

'' Ces. *'' Hymenophyllum pallidum'' (Blume) Ebihara & K.Iwats. *''

Hymenophyllum palmatifidum ''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 ...

'' (Müll.Berol.) Ebihara & K.Iwats. *'' Hymenophyllum paniculiflorum'' C.Presl *'' Hymenophyllum paniense'' Ebihara & K.Iwats. *''

Hymenophyllum pantotactum ''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 parallelocarpum'' Hayata *'' Hymenophyllum paucicarpum'' Jenman *'' Hymenophyllum pectinatum'' Cav. *''

Hymenophyllum peltatum ''Hymenophyllum peltatum'' (hymen-o-FIL-lum, pel-TAH-tum), is a species of filmy fern widely distributed across Australia, New Zealand, South Africa, South America. Predominantly a rainforest species with delicate foliage arrangements, also kn ...

'' (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 ''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 ...

'' Kaulf. *''

Hymenophyllum pluviatile ''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 ...

'' Perrie & Brownsey *'' Hymenophyllum pollemonianum'' Rosenst. *'' Hymenophyllum polyanthos'' (Sw.) Sw. *'' Hymenophyllum poolii'' Baker *'' Hymenophyllum praetervisum'' Christ *'' Hymenophyllum prionema'' Kunze *'' Hymenophyllum proctoris'' C.Sánchez *'' Hymenophyllum productum'' Kunze *''

Hymenophyllum protrusum ''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 pulchellum ''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 ...

'' Schltdl. & Cham. *'' Hymenophyllum pulcherrimum'' Colenso *''

Hymenophyllum pumilio ''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 pumilum'' C.Moore *'' Hymenophyllum punctisorum'' Rosenst. *'' Hymenophyllum pyramidatum'' Desv. *'' Hymenophyllum quetrihuense'' Diem & J.S.Licht. *'' Hymenophyllum ramosii'' Copel. *'' Hymenophyllum rarum'' R.Br. *'' Hymenophyllum recurvum'' Gaudich. *'' Hymenophyllum reinwardtii'' Bosch *''

Hymenophyllum revolutum ''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 ringens ''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 riukiuense ''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 rolandi-principis'' Rosenst. *'' Hymenophyllum roraimense'' C.V.Morton *''

Hymenophyllum rubellum ''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 rufescens'' Kirk *'' Hymenophyllum rufifolium'' Alderw. *'' Hymenophyllum rufifrons'' Alderw. *'' Hymenophyllum rufum'' Fée *'' Hymenophyllum rugosum'' C.Chr. & Skottsb. *'' Hymenophyllum ruizianum'' (Klotzsch) Kunze *'' Hymenophyllum saenzianum'' L.D.Gómez *''

Hymenophyllum salakense ''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 ...

'' Racib. *''

Hymenophyllum sampaioanum ''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 ...

'' Brade & Rosenst. *'' Hymenophyllum sanguinolentum'' (G.Forst.) Sw. *''

Hymenophyllum scabrum ''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 secundum'' Hook. & Grev. *''

Hymenophyllum semialatum ''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 ...

'' T.C.Hsu *'' Hymenophyllum semiglabrum'' Rosenst. *'' Hymenophyllum senterreanum'' Dubuisson & Deblauwe *''

Hymenophyllum seramense ''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 ...

'' K.Iwats., M.Kato & Ebihara *'' Hymenophyllum sericeum'' (Sw.) Sw. *'' Hymenophyllum serrulatum'' (C.Presl) C.Chr. *'' Hymenophyllum seselifolium'' C.Presl *'' Hymenophyllum sibthorpioides'' (Bory ex Willd.) Mett. ex Kuhn *'' Hymenophyllum sieberi'' (C.Presl) Bosch *'' Hymenophyllum silvaticum'' C.V.Morton *''

Hymenophyllum silveirae ''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 simonsianum ''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 simplex'' C.V.Morton *'' Hymenophyllum sodiroi'' C.Chr. *'' Hymenophyllum soriemersum'' Rouhan & C.Del Rio *'' Hymenophyllum splendidum'' Bosch *'' Hymenophyllum stenocladum'' (Ching & P.S.Chiu) K.Iwats. *''

Hymenophyllum subdemissum ''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 subobtusum'' Rosenst. *''

Hymenophyllum subrigidum ''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 superbum'' Morton *''

Hymenophyllum taiwanense ''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 ...

'' (Tagawa) C.V.Morton *'' Hymenophyllum talamancanum'' A.Rojas *''

Hymenophyllum taliabense ''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 tarapotense'' Stolze *'' Hymenophyllum tayloriae'' Farrar & Raine *'' Hymenophyllum tegularis'' (Desv.) Proctor & Lourteig *'' Hymenophyllum tenerum'' Bosch *'' Hymenophyllum thuidium'' Harr. *'' Hymenophyllum todjambuense'' Kjellb. *''

Hymenophyllum tomaniiviense ''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 ...

'' (Brownlie) Ebihara & K.Iwats. *'' Hymenophyllum tomentosum'' Kunze *''

Hymenophyllum tortuosum ''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 trapezoidale'' Liebm. *'' Hymenophyllum treubii'' Racib. *'' Hymenophyllum triangulare'' Baker *'' Hymenophyllum trichomanoides'' Bosch *''

Hymenophyllum trichophorum ''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.) Ebihara & K.Iwats. *'' Hymenophyllum trichophyllum'' Kunth *'' Hymenophyllum trifoliatum'' (L.) Proctor & Lourteig *'' Hymenophyllum tunbrigense'' (L.) Sm. *'' Hymenophyllum turquinense'' C.Sánchez *'' Hymenophyllum umbratile'' Diem & J.S.Licht. *'' Hymenophyllum undulatum'' (Sw.) Sw. *''

Hymenophyllum urbanii ''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 *'' Hymenophyllum valvatum'' Hook. & Grev. *'' Hymenophyllum verecundum'' Morton *''

Hymenophyllum veronicoides ''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 vestitum'' (C.Presl) Bosch *''

Hymenophyllum viguieri ''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 villosum ''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 vittatum ''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 walleri'' 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'' (

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

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 plant an ...

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