''Arthrorhaphis'' 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
monotypic
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...
family Arthrorhaphidaceae. It has 13 species.
The genus 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 ...
by
Theodor Magnus Fries
Theodor "Thore" Magnus Fries (28 October 1832 – 29 March 1913), was a Swedish botanist, lichenologist, and Arctic explorer. He was the son of the mycologist Elias Fries.
Following in his father's footsteps, Fries studied botany, obtaining his ...
in 1860. The family was proposed by lichenologists
Josef Poelt and
Josef Hafellner
Josef Hafellner (1951– ) is an Austrian mycologist and lichenologist. He was awarded the Acharius Medal in 2016 for his lifetime contributions to lichenology. Before his retirement, he was a professor at the Karl-Franzens-Universität in Graz ...
in 1976.
Species in this family have a widespread distribution in
temperate
In geography, the temperate climates of Earth occur in the middle latitudes (23.5° to 66.5° N/S of Equator), which span between the tropics and the polar regions of Earth. These zones generally have wider temperature ranges throughout t ...
and
montane habitats. They grow symbiotically with
green algae
The green algae (singular: green alga) are a group consisting of the Prasinodermophyta and its unnamed sister which contains the Chlorophyta and Charophyta/Streptophyta. The land plants (Embryophytes) have emerged deep in the Charophyte alga as ...
, or
parasitically on other lichens.
The family Arthrorhaphidaceae has an uncertain taxonomic placement in the class
Lecanoromycetes
Lecanoromycetes is the largest class of lichenized fungi. It belongs to the subphylum Pezizomycotina in the phylum Ascomycota. The asci (spore-bearing cells) of the Lecanoromycetes most often release spores by rostrate dehiscence.
Genera of unc ...
; that is, it is
incertae sedis with respect to
ordinal placement.
Species
*''
Arthrorhaphis aeruginosa''
*''
Arthrorhaphis alpina''
*''
Arthrorhaphis anziana''
*''
Arthrorhaphis arctoparmeliae''
*''
Arthrorhaphis citrinella''
*''
Arthrorhaphis grisea''
*''
Arthrorhaphis muddii''
*''
Arthrorhaphis olivaceae''
*''
Arthrorhaphis phyllobaeis''
*''
Arthrorhaphis summorum''
*''
Arthrorhaphis vacillans''
*''
Arthrorhaphis viridescens''
References
{{Taxonbar, from=Q10418779, from2=Q4797692
Lecanoromycetes
Lichen genera
Lecanoromycetes genera
Taxa described in 1860
Taxa named by Theodor Magnus Fries