Ren-Chang Ching

Hypodematiaceae is a family of ferns in the order Polypodiales. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), the family is placed in the suborder Polypodiineae. Alternatively, it may be treated as the subfamily Hypodematioideae of a very broadly defined family Polypodiaceae sensu lato. The family consists of two, or in some versions three, small genera.

Rumohra adiantiformis, the leather fern or leatherleaf fern, is a species of fern in the wood fern family Dryopteridaceae. It has a wide distribution, mainly in the tropical Southern Hemisphere.

Lepisorus thunbergianus, the weeping fern, is an epiphyte with slender, undivided fronds. Across its native Asian and Pacific range, it has many common names, including 瓦韦 (wa wei) in Chinese, ノキシノブ (nokisinobu), "hiding under eaves" in Japanese, 일엽초 (il-yeobcho) in Korean, and ‘ēkaha ‘ākōlea, pua‘a kuhinia, or pākahakaha in Hawaiian. While it is currently accepted as a species, it is paraphyletic species complex, and "might need to be redefined."

Aleuritopteris albomarginata is an herbal plant used in Nepal and India.

Sticherus cunninghamii, also known as umbrella fern, is a New Zealand endemic fern. The species is named after English botanist and explorer Allan Cunningham; its Māori names include rarauheriki, waekura and tapuwae-kōtuku. Umbrella fern is characterised by its drooping fronds that resemble an umbrella, distinct from the fan-like fronds of its relative S. flabellatus. The angle between the first branches on the frond is narrow, about 44°. Fronds are 15–30 cm long with an erect stipe between 20 and 50 cm high, but reaching 1 m at times.The last, longest leaf segment on the frond is up to 18

Rhachidosorus is a genus of ferns in the order Polypodiales. It is the only genus in the family Rhachidosoraceae in the Pteridophyte Phylogeny Group classification of 2016 (PPG I). Alternatively, the genus may be placed in the subfamily Rhachidosoroideae of a more broadly defined family Aspleniaceae, the family placement used in Plants of the World Online as of November 2019.

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Macrothelypteris torresiana is a species of fern which is native to tropical and subtropical Africa and Asia. It has been introduced into other areas, including large parts of North and South America. The species is assigned to different genera depending on how the family Thelypteridaceae is classified. If the entire family is classified in Thelypteris, it is Thelypteris torresiana. However, molecular data shows an affinity between a group of species which are sometimes classified in Macrothelypteris, Phegopteris, and allied genera, so it is common to remove this species from Thelypteris and

Lepisorus is a genus of ferns in the family Polypodiaceae, subfamily Microsoroideae, according to the Pteridophyte Phylogeny Group classification of 2016 (PPG I).

Bolbitis heteroclita is an aquatic fern species of Bolbitis, it is native to Southeast Asia and Melanesia, as well as parts of northeastern South Asia, southern East Asia, and Micronesia (Pohnpei and Kosrae). It is commonly cultivated as an aquatic ornamental for aquariums and garden ponds.

Adiantum lianxianense is a species of maidenhair fern native to China. While the IUCN Red List describes it as extinct, due to habitat loss, it may still survive, as it has frequently been confused with other members of the genus.

Pyrrosia rupestris known as the rock felt fern is a common fern of eastern Australia. Occurring as an epiphyte or lithophyte in areas of part shade and high moisture. Usually found in rainforest or moist eucalyptus forest. Often seen on rainforest trees, quite high above the ground. However, it grows as far west at the more arid Warrumbungle National Park. In drought it shrinks and becomes desiccated. With rain or mist the fern recovers well. The name Pyrrosia is from the Greek which refers to the flame colour of the hairs that cover the fronds on some species. Rupestris means growing near

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Macrothelypteris is a genus of ferns in the family Thelypteridaceae, subfamily Phegopteridoideae, in the Pteridophyte Phylogeny Group classification of 2016 (PPG I). The genus name means 'large Thelypteris'.

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Lastreopsis, known as shieldfern, is a genus of ferns in the family Dryopteridaceae, subfamily Elaphoglossoideae, in the Pteridophyte Phylogeny Group classification of 2016 (PPG I).

Adiantum fengianum is a species of maidenhair fern endemic to China. Its natural habitat is temperate forests. It is threatened by habitat loss. The species was first described by Ren-Chang Ching in 1949.

Sticherus tener, also known as silky fan-fern, is a common native ground-fern in the family Gleicheniaceae. It occurs growing along watercourses and drainage lines in rainforest that are dominated by Nothofagus cunninghamii. In Australia, it occurs in the states of Tasmania and Victoria. In New Zealand, it is known from two disjoint regions on the South Island. Like in other members of this genus, Sticherus tener have bright green fronds with repeatedly forking branches, branches bearing linear-shaped segments at almost right angles to the axis and form umbrella-like bush colony.

Sticherus quadripartitus is a species of fern native to Chile with a natural distribution ranging from the latitude of Concepción (~37° S) in the north to Magallanes Region (~55° S) in the south including adjacent parts of Argentina. It is also found in the Juan Fernández Islands. It grows found from sea level up to 1800 m.a.s.l. and occurs in humid areas that are neither shady or too exposed to direct sunlight.

Pyrrosia confluens known as the horseshoe felt fern or robber fern is a common fern of eastern Australia. Occurring as an epiphyte or lithophyte in areas of part shade and high moisture. Often seen on rocks or creeping up on rainforest trees, quite high above the ground. Found north of the Wyong district. In 1810, the species originally appeared in scientific literature as Polypodium confluens in the Prodromus Florae Novae Hollandiae, authored by the prolific Scottish botanist, Robert Brown.

Pteridrys is a genus of ferns in the family Tectariaceae, according to the Pteridophyte Phylogeny Group classification of 2016 (PPG I).

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Glaphyropteridopsis is a genus of ferns in the subfamily Thelypteridoideae, family Thelypteridaceae, order Polypodiales. It is recognized in the Pteridophyte Phylogeny Group classification of 2016 (PPG I); in other approaches, it may be merged with Thelypteris.

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