''Pyxine'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

foliose lichen Foliose lichen is one of the morphological classes of lichens, which are complex organisms that arise from the symbiotic relationship between fungi and a photosynthetic partner, typically algae. This partnership allows lichen to live in dive ...

s in the family

Caliciaceae The Caliciaceae are a family of mostly lichen-forming fungi belonging to the class Lecanoromycetes in the division Ascomycota. Although the family has had its classification changed several times throughout its taxonomic history, the use of mo ...

. The genus has a widespread distribution in

tropical The tropics are the regions of Earth surrounding the Equator. They are defined in latitude by the Tropic of Cancer in the Northern Hemisphere at N and the Tropic of Capricorn in the Southern Hemisphere at S. The tropics are also referred to ...

regions. The presence or absence of the compound

lichexanthone Lichexanthone is an organic compound in the structural class of chemicals known as xanthones. Lichexanthone was first isolated and identified by Japanese chemists from a species of leafy lichen in the 1940s. The compound is known to occur in ma ...

is a

character Character or Characters may refer to: Arts, entertainment, and media Literature * ''Character'' (novel), a 1936 Dutch novel by Ferdinand Bordewijk * ''Characters'' (Theophrastus), a classical Greek set of character sketches attributed to The ...

used in classifying ''Pyxine '' species; about 20 species contain this compound. This represents the largest group of foliose lichens with the compound.

Species

*'' Pyxine albovirens'' *'' Pyxine astipitata'' – Brazil *'' Pyxine astridiana'' – neotropical *'' Pyxine australiensis'' – Asia; Australia *'' Pyxine berteriana'' – pantropical *''

Pyxine boonpragobiana ''Pyxine'' is a genus of foliose lichens in the family Caliciaceae. The genus has a widespread distribution in tropical regions. The presence or absence of the compound lichexanthone is a character used in classifying ''Pyxine '' species; about ...

'' – Thailand *'' Pyxine coccifera'' *'' Pyxine cocoes'' *'' Pyxine cognata'' - pantropical *'' Pyxine consocians'' *'' Pyxine convexior'' *'' Pyxine copelandii'' *'' Pyxine cylindrica'' – Papua New Guinea *''

Pyxine dactyloschmidtii ''Pyxine'' is a genus of foliose lichens in the family Caliciaceae. The genus has a widespread distribution in tropical regions. The presence or absence of the compound lichexanthone is a character used in classifying ''Pyxine '' species; about ...

'' *''

Pyxine daedalea ''Pyxine'' is a genus of foliose lichens in the family Caliciaceae. The genus has a widespread distribution in tropical regions. The presence or absence of the compound lichexanthone is a character used in classifying ''Pyxine '' species; about ...

'' – Costa Rica *''

Pyxine desudans ''Pyxine'' is a genus of foliose lichens in the family Caliciaceae. The genus has a widespread distribution in tropical regions. The presence or absence of the compound lichexanthone is a character used in classifying ''Pyxine '' species; about ...

'' – Australia *''

Pyxine elixii ''Pyxine'' is a genus of foliose lichens in the family Caliciaceae. The genus has a widespread distribution in tropical regions. The presence or absence of the compound lichexanthone is a character used in classifying ''Pyxine '' species; about ...

'' – Australia *''

Pyxine endochrysina ''Pyxine'' is a genus of foliose lichens in the family Caliciaceae. The genus has a widespread distribution in tropical regions. The presence or absence of the compound lichexanthone is a character used in classifying ''Pyxine '' species; about ...

'' *''

Pyxine endocrocea ''Pyxine'' is a genus of foliose lichens in the family Caliciaceae. The genus has a widespread distribution in tropical regions. The presence or absence of the compound lichexanthone is a character used in classifying ''Pyxine '' species; about ...

'' *''

Pyxine eschweileri ''Pyxine'' is a genus of foliose lichens in the family Caliciaceae. The genus has a widespread distribution in tropical regions. The presence or absence of the compound lichexanthone is a character Character or Characters may refer to: Arts ...

'' *'' Pyxine exoalbida'' – Brazil *'' Pyxine fallax'' *'' Pyxine farinosa'' – Papua New Guinea *'' Pyxine flavicans'' *'' Pyxine glaucovirescens'' *'' Pyxine hengduanensis'' *'' Pyxine jolyana'' – Brazil *'' Pyxine katendei'' – Africa *'' Pyxine keralensis'' – India *'' Pyxine lilacina'' – Africa *'' Pyxine lyei'' – Africa *'' Pyxine mantiqueirensis'' – Brazil *'' Pyxine mexicana'' *'' Pyxine minuta'' *'' Pyxine nana'' – neotropical *'' Pyxine nubila'' *'' Pyxine petricola'' – pantropical *'' Pyxine plumea'' – Australia *'' Pyxine profallax'' *'' Pyxine pseudokeralensis'' *'' Pyxine papuana'' – Papua New Guinea *'' Pyxine punensis'' – India *'' Pyxine pungens'' *'' Pyxine pustulata'' – Brazil *'' Pyxine pyxinoides'' – neotropical *'' Pyxine retirugella'' *'' Pyxine rugulosa'' *'' Pyxine schmidtii'' *'' Pyxine simulans'' - pantropical *'' Pyxine sorediata'' *'' Pyxine subcinerea'' – pantropical *'' Pyxine subcoralligera'' *'' Pyxine yercaudensis'' – India *'' Pyxine yunnanensis'' – China

References

Caliciales genera Caliciales Lichen genera Taxa named by Elias Magnus Fries Taxa described in 1825 {{Caliciales-stub