''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 ''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 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 ''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) 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 ''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 ''Hymenophyllum alveolatum'' is a species of fern in the family Hymenophyllaceae. It is endemic to Ecuador. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests. It is threatene ...

'' 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 ''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 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 ''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 ''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'' 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'' (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 ''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 ''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 ''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 bontocense ''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 brachyglossum ''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.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 ''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 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 ''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 ''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 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 ''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 *'' 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 ''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 ''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 ...

'' de la Sota *''

Hymenophyllum cardunculus ''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 caudiculatum ''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 ...

'' Mart. *''

Hymenophyllum chamaecyparicola ''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 & Z.X.Chang *''

Hymenophyllum cocosense ''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 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'' (Hieron.) C.Larsen & Arana *''

Hymenophyllum corrugatum ''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 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 ''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 ''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 ''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 cristatum'' Hook. & Grev. *''

Hymenophyllum cruentum ''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 cuneatum ''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 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 ''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 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'' 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 ''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 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'' Mett. ex Kuhn *'' Hymenophyllum devolii'' M.J.Lai *''

Hymenophyllum dicranotrichum ''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) 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 ''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 ''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 ''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 ''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 ...

'' 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 ''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 edentulum ''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) C.Chr. *''

Hymenophyllum elbertii ''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 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 ''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.W.Grimes *''

Hymenophyllum emarginatum ''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 exquisitum ''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 & 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 ''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. *''

Hymenophyllum feejeense ''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 ...

'' Brack. *''

Hymenophyllum fendlerianum ''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 ...

'' 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 ''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 ...

'' 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 ''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 flabellatum ''Hymenophyllum flabellatum'' (Hymen-O-FIL-lum Flab-bel-Lah-tum), the shiny filmy-fern, is a species of fern in the family Hymenophyllaceae. This delicate fern is commonly epiphytic and is between 5 and 25 cm in length. It is distinct, with ...

'' 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 ''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 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 ''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 ''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 ''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 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 ''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 ...

'' Bory ex Willd. *''

Hymenophyllum fuscum ''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) Bosch *''Hymenophyllum gardneri'' Bosch *''Hymenophyllum geluense'' Rosenst. *''Hymenophyllum glaziovii'' Baker *''Hymenophyllum gorgoneum'' Copel. *''Hymenophyllum gracilescens'' Domin *''Hymenophyllum hallieri'' Rosenst. *''Hymenophyllum hastatum'' A.Rojas *''Hymenophyllum heimii'' Tardieu *''Hymenophyllum helicoideum'' 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'' C.Chr. *''Hymenophyllum humboldtianum'' E.Fourn. *''Hymenophyllum hygrometricum'' (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'' Spreng. *''Hymenophyllum jimenezii'' A.R.Sm. & M.Kessler *''Hymenophyllum johorense'' 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'' 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'' 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'' Hook.fil. *''Hymenophyllum macgillivrayi'' (Baker) Copel. *''Hymenophyllum macroglossum'' Bosch *''Hymenophyllum macrosorum'' Alderw. *''Hymenophyllum macrothecum'' Fée *''Hymenophyllum maderense'' Gibby & Lovis *''Hymenophyllum malingii'' (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'' (Seriz.) Seriz. *''Hymenophyllum minimum'' A.Rich. *''Hymenophyllum mirificum'' Morton *''Hymenophyllum mnioides'' Baker *''Hymenophyllum molle'' C.V.Morton *''Hymenophyllum mortonianum'' Lellinger *''Hymenophyllum mossambicense'' (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'' 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'' (Rosenst.) K.Iwats. *''Hymenophyllum nutantifolium'' Alderw. *''Hymenophyllum obtusum'' Hook. & Arn. *''Hymenophyllum oligosorum'' Makino *''Hymenophyllum ooides'' F.Muell. & Baker ex Baker *''Hymenophyllum ovatum'' Copel. *''Hymenophyllum pachydermicum'' Ces. *''Hymenophyllum pallidum'' (Blume) Ebihara & K.Iwats. *''Hymenophyllum palmatifidum'' (Müll.Berol.) Ebihara & K.Iwats. *''Hymenophyllum paniculiflorum'' C.Presl *''Hymenophyllum paniense'' Ebihara & K.Iwats. *''Hymenophyllum pantotactum'' Alderw. *''Hymenophyllum parallelocarpum'' Hayata *''Hymenophyllum paucicarpum'' Jenman *''Hymenophyllum pectinatum'' 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'' Rosenst. *''Hymenophyllum polyanthos'' (Sw.) Sw. *''Hymenophyllum poolii'' Baker *''Hymenophyllum praetervisum'' Christ *''Hymenophyllum prionema'' Kunze *''Hymenophyllum proctoris'' C.Sánchez *''Hymenophyllum productum'' Kunze *''Hymenophyllum protrusum'' Hook. *''Hymenophyllum pulchellum'' Schltdl. & Cham. *''Hymenophyllum pulcherrimum'' Colenso *''Hymenophyllum pumilio'' 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'' Colenso *''Hymenophyllum ringens'' Christ *''Hymenophyllum riukiuense'' Christ *''Hymenophyllum rolandi-principis'' Rosenst. *''Hymenophyllum roraimense'' C.V.Morton *''Hymenophyllum rubellum'' 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'' Racib. *''Hymenophyllum sampaioanum'' Brade & Rosenst. *''Hymenophyllum sanguinolentum'' (G.Forst.) Sw. *''Hymenophyllum scabrum'' A.Rich. *''Hymenophyllum secundum'' Hook. & Grev. *''Hymenophyllum semialatum'' T.C.Hsu *''Hymenophyllum semiglabrum'' Rosenst. *''Hymenophyllum senterreanum'' Dubuisson & Deblauwe *''Hymenophyllum seramense'' 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'' Christ *''Hymenophyllum simonsianum'' 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'' Christ *''Hymenophyllum subobtusum'' Rosenst. *''Hymenophyllum subrigidum'' Christ *''Hymenophyllum superbum'' Morton *''Hymenophyllum taiwanense'' (Tagawa) C.V.Morton *''Hymenophyllum talamancanum'' A.Rojas *''Hymenophyllum taliabense'' Alderw. *''Hymenophyllum tarapotense'' Stolze *''Hymenophyllum tayloriae'' Farrar & Raine *''Hymenophyllum tegularis'' (Desv.) Proctor & Lourteig *''Hymenophyllum tenerum'' Bosch *''Hymenophyllum thuidium'' 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'' 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'' 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'' Maiden & Betche *''Hymenophyllum whitei'' Goy *''Hymenophyllum wilsonii'' Hook. *''Hymenophyllum wrightii'' Bosch Extinct species include: *†''Hymenophyllum axsmithii'' (Ypresian, Eocene Okanagan Highlands 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 Hymenophyllum, Taxonomy articles created by Polbot Fern genera

Species

See also

References

External links