''Astrochapsa'' is a
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
lichen
A lichen ( , ) is a hybrid colony (biology), colony of algae or cyanobacteria living symbiotically among hypha, filaments of multiple fungus species, along with yeasts and bacteria embedded in the cortex or "skin", in a mutualism (biology), m ...
-forming
fungi
A fungus (: fungi , , , or ; or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and mold (fungus), molds, as well as the more familiar mushrooms. These organisms are classified as one ...
in the subfamily Graphidoideae of the family
Graphidaceae
The Graphidaceae are a family of lichen-forming fungi in the order Graphidales. The family contains nearly a hundred genera and more than 2000 species. Although the family has a cosmopolitan distribution, most Graphidaceae species occur in tropic ...
. It has 28 species.
The genus was
circumscribed by Sittiporn Parnmen,
Robert Lücking
Robert Lücking (born 1964) is a German lichenologist, known for his extensive research on foliicolous lichens (lichens that live on leaves) and his significant contributions to the taxonomy, ecology, and biodiversity of fungi and lichens. He e ...
, and
H. Thorsten Lumbsch in 2012, with ''
Astrochapsa astroidea'' assigned as the
type species
In International_Code_of_Zoological_Nomenclature, 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 spe ...
. It was segregated from the genus ''
Chapsa'', from which it differs in having a more frequently densely corticate
thallus
Thallus (: thalli), from Latinized Greek (), meaning "a green shoot" or "twig", is the vegetative tissue of some organisms in diverse groups such as algae, fungi, some liverworts, lichens, and the Myxogastria. A thallus usually names the entir ...
, an
apothecial margin that is mostly recurved, and the almost exclusively subdistoseptate (with slightly thickened
septa
SEPTA, the Southeastern Pennsylvania Transportation Authority, is a regional public transportation authority that operates bus, rapid transit, commuter rail, light rail, and electric trolleybus services for nearly four million people througho ...
and angular
lumina), non-
amyloid
Amyloids are aggregates of proteins characterised by a fibrillar morphology of typically 7–13 nm in diameter, a β-sheet secondary structure (known as cross-β) and ability to be stained by particular dyes, such as Congo red. In the human ...
ascospore
In fungi, an ascospore is the sexual spore formed inside an ascus—the sac-like cell that defines the division Ascomycota, the largest and most diverse Division (botany), division of fungi. After two parental cell nucleus, nuclei fuse, the ascu ...
s.
Species
*''
Astrochapsa albella''
*''
Astrochapsa alstrupii''
*''
Astrochapsa amazonica''
*''
Astrochapsa astroidea''
*''
Astrochapsa calathiformis''
*''
Astrochapsa columnaris''
*''
Astrochapsa elongata''
*''
Astrochapsa fusca''
*''
Astrochapsa graphidioides''
*''
Astrochapsa kalbii''
*''
Astrochapsa lassae''
*''
Astrochapsa lobata''
*''
Astrochapsa magnifica''
*''
Astrochapsa martinicensis''
*''
Astrochapsa mastersonii''
*''
Astrochapsa megaphlyctidioides''
*''
Astrochapsa meridensis''
*''
Astrochapsa mirabilis''
*''
Astrochapsa platycarpella''
*''
Astrochapsa pseudophlyctis''
*''
Astrochapsa pulvereodiscus''
*''
Astrochapsa recurva''
*''
Astrochapsa sipmanii''
*''
Astrochapsa stellata''
*''
Astrochapsa submuralis''
*''
Astrochapsa verruculosa''
*''
Astrochapsa waasii''
*''
Astrochapsa wolseleyana''
*''
Astrochapsa zahlbruckneri''
References
Graphidaceae
Lichen genera
Taxa described in 2012
Graphidales genera
Taxa named by Helge Thorsten Lumbsch
Taxa named by Robert Lücking
Taxa named by Sittiporn Parnmen
{{Lecanoromycetes-stub