''Callistopteris'' is a fern genus 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 ...
. The genus is accepted in the
Pteridophyte Phylogeny Group
The Pteridophyte Phylogeny Group, or PPG, is an informal international group of systematic botanists who collaborate to establish a consensus on the classification of pteridophytes (lycophytes and ferns) that reflects knowledge about plant relation ...
classification of 2016 (PPG I) but not by some other sources, which sink it into a broadly defined ''
Trichomanes
''Trichomanes'' is a genus of ferns in the family Hymenophyllaceae, termed bristle ferns. The circumscription of the genus is disputed. All ferns in the genus are filmy ferns, with leaf tissue typically 2 cells thick. This thinness generally nec ...
''.
Taxonomy
The genus ''Callistopteris'' was erected by
Edwin Copeland
Edwin Bingham Copeland (September 30, 1873 – March 16, 1964) was an American botanist and agriculturist. He is known for founding the University of the Philippines College of Agriculture at Los Baños, Laguna and for being one of the America's ...
in 1938.
[ Its status, like other genera in the family Hymenophyllaceae, remains disputed. The ]Pteridophyte Phylogeny Group
The Pteridophyte Phylogeny Group, or PPG, is an informal international group of systematic botanists who collaborate to establish a consensus on the classification of pteridophytes (lycophytes and ferns) that reflects knowledge about plant relation ...
classification of 2016 (PPG I) accepts the genus, placing it in the subfamily Trichomanoideae
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 ...
, and saying that there are five species.[ , the ''Checklist of Ferns and Lycophytes of the World'' lists six species,][ whereas '']Plants of the World Online
Plants of the World Online (POWO) is an online database published by the Royal Botanic Gardens, Kew. It was launched in March 2017 with the ultimate aim being "to enable users to access information on all the world's known seed-bearing plants by ...
'' sinks the genus into ''Trichomanes
''Trichomanes'' is a genus of ferns in the family Hymenophyllaceae, termed bristle ferns. The circumscription of the genus is disputed. All ferns in the genus are filmy ferns, with leaf tissue typically 2 cells thick. This thinness generally nec ...
''.[
]
Species
, the ''Checklist of Ferns and Lycophytes of the World'' accepted the following species:[
*'']Callistopteris apiifolia
''Callistopteris'' is a fern genus in the family Hymenophyllaceae. The genus is accepted in the Pteridophyte Phylogeny Group classification of 2016 (PPG I) but not by some other sources, which sink it into a broadly defined ''Trichomanes''.
Taxo ...
'' (C.Presl) Copel.
*''Callistopteris baldwinii
''Callistopteris'' is a fern genus in the family Hymenophyllaceae. The genus is accepted in the Pteridophyte Phylogeny Group classification of 2016 (PPG I) but not by some other sources, which sink it into a broadly defined ''Trichomanes''.
Tax ...
'' (D.C.Eaton) Copel.
*''Callistopteris baueriana
''Callistopteris bauerianum'', known as the large filmy fern and Bauer's bristle fern, is a fern in the family Hymenophyllaceae. The specific epithet honours the Austrian botanical artist, Frederick Lucas Bauer (1760–1826), who collected plant ...
'' (Endl.) Copel.
*''Callistopteris calyculata
''Callistopteris'' is a fern genus in the family Hymenophyllaceae. The genus is accepted in the Pteridophyte Phylogeny Group classification of 2016 (PPG I) but not by some other sources, which sink it into a broadly defined ''Trichomanes''.
Tax ...
'' Copel.
*''Callistopteris polyantha
''Callistopteris'' is a fern genus in the family Hymenophyllaceae. The genus is accepted in the Pteridophyte Phylogeny Group classification of 2016 (PPG I) but not by some other sources, which sink it into a broadly defined ''Trichomanes''.
Tax ...
'' (Hook.) Copel.
*''Callistopteris superba
''Callistopteris'' is a fern genus in the family Hymenophyllaceae. The genus is accepted in the Pteridophyte Phylogeny Group classification of 2016 (PPG I) but not by some other sources, which sink it into a broadly defined ''Trichomanes''.
Tax ...
'' (Backh. ex T.Moore) Ebihara & K.Iwats.
See also
* List of fern families
Below are lists of extant fern families and subfamilies using the classification scheme proposed by the Pteridophyte Phylogeny Group in 2016 (PPG I). The scheme is based on molecular phylogenetic studies, and also draws on earlier classifications, ...
References
Hymenophyllales
Fern genera
{{Polypodiidae-stub