''Pseudochapsa'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of
lichen
A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship.[fungi
A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom, separately from ...]
in the family
Graphidaceae
The Graphidaceae are a family of lichens in the order Ostropales.
Distribution and ecology
The vast majority of Graphidaceae species are restricted to the tropics. Most Graphidaceae species are epiphytic (i.e. they grow only on plants).
Gener ...
. It has 19 species.
It was
circumscribed
In geometry, the circumscribed circle or circumcircle of a polygon is a circle that passes through all the vertices of the polygon. The center of this circle is called the circumcenter and its radius is called the circumradius.
Not every polyg ...
in 2012 by Sittiporn Parnmen,
Robert Lücking
Robert Lücking (born 1964) is a German lichenologist. He is a leading expert on foliicolous lichens–lichens that live on leaves.
Life and career
Born in Ulm in 1964, Lücking earned both his master's (1990) and PhD degree (1994) at the Univer ...
, and
Helge Thorsten Lumbsch
Helge Thorsten Lumbsch (born 1964) is a German-born lichenologist living in the United States. His research interests include the phylogeny, taxonomy, and phylogeography of lichen-forming fungi; lichen diversity; lichen chemistry and chemotaxon ...
, with ''
Pseudochapsa dilatata'' as the
type species
In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen ...
. ''Pseudochapsa'' differs from ''
Chapsa
''Chapsa'' is a genus of lichens in the family Graphidaceae. The genus was described by Italian lichenologist Abramo Bartolommeo Massalongo in 1860.
Species
*'' Chapsa albida''
*'' Chapsa alborosella''
*'' Chapsa alletii''
*'' Chapsa angust ...
'' (the genus from which it was segregated) it that its excipulum (the rim of tissue around the
apothecia) is typically brown. Additionally, its
ascospore
An ascus (; ) is the sexual spore-bearing cell produced in ascomycete fungi. Each ascus usually contains eight ascospores (or octad), produced by meiosis followed, in most species, by a mitotic cell division. However, asci in some genera or s ...
s are mostly discoseptate and
amyloid. The generic name combines the Greek ''pseudo'' ("false") with the genus name ''Chapsa''.
Species
*''
Pseudochapsa albomaculata''
*''
Pseudochapsa amylospora''
*''
Pseudochapsa aptrootiana
''Pseudochapsa aptrootiana'' is a species of corticolous (bark-dwelling) in the family Graphidaceae. Found in Brazil, it was formally described as a new species in 2018 by Marcela Eugenia da Silva Cáceres, Thamires Almeida Pereira, and Robert ...
''
*''
Pseudochapsa crispata''
*''
Pseudochapsa dilatata''
*''
Pseudochapsa esslingeri''
*''
Pseudochapsa isidiifera''
*''
Pseudochapsa kalbii''
*''
Pseudochapsa lueckingii''
*''
Pseudochapsa phlyctidea''
*''
Pseudochapsa phlyctidioides''
*''
Pseudochapsa pseudoexanthismocarpa''
*''
Pseudochapsa pseudoschizostoma''
*''
Pseudochapsa rhizophorae''
*''
Pseudochapsa rivas-platae''
*''
Pseudochapsa sipmanii''
*''
Pseudochapsa subdactylifera''
*''
Pseudochapsa subpatens''
References
Graphidaceae
Graphidales genera
Lichen genera
Taxa described in 2012
Taxa named by Robert Lücking
Taxa named by Helge Thorsten Lumbsch
{{Lecanoromycetes-stub