''Cephalomanes'' 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 pl ...
. 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 relatio ...
classification of 2016 (PPG I) but not by 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 ...
''.
Taxonomy
The genus ''Cephalomanes'' was erected by
Carl Presl in 1843.
[ 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 relatio ...
classification of 2016 (PPG I) accepts the genus, placing it in the subfamily Trichomanoideae, and saying that there are four species.[ , the ''Checklist of Ferns and Lycophytes of the World'' lists nine 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 ...
'' 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 ...
''.
Species
, the ''Checklist of Ferns and Lycophytes of the World'' accepted the following species:[
*'' Cephalomanes atrovirens'' C.Presl
*'' Cephalomanes crassum'' (Copel.) M.G.Price
*'' Cephalomanes densinervium'' (Copel.) Copel.
*'' Cephalomanes infundibulare'' (Alderw.) comb. ined.
*'' Cephalomanes javanicum'' (Blume) C Presl
*'' Cephalomanes ledermannii'' (Brause) Copel.
*'' Cephalomanes maluense'' (Brause) comb. ined.
*'' Cephalomanes singaporianum'' Bosch
*'' Cephalomanes suffrutex'' (Alderw.) comb. ined.
Formerly placed here:
* ''Cephalomanes bauerianum'' (Endl.) P.S.Green = '' Callistopteris baueriana'' (Endl.) Copel.
* ''Cephalomanes elegans'' (Rich.) K.Iwats. = '' Trichomanes elegans'' Rich.
]
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
External links
Hymenophyllales
Fern genera
{{Polypodiidae-stub