Chrysotrichaceae is a

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

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 order

Arthoniales The Arthoniales is the second largest order of mainly crustose lichens, but fruticose lichens are present as well. The order contains around 1500 species, while the largest order with lichenized fungi, the Lecanorales, contains more than 14000 sp ...

. Member of this family have a widespread distribution, but are especially prevalent 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 ...

areas. "Chrysothrichaceae" and "Chrysothricaceae" are alternative spellings that have been used in some older publications; the latter was used by

Alexander Zahlbruckner Alexander Zahlbruckner (31 May 1860, Svätý Jur – 1938, Vienna) was an Austrian- Hungarian botanist who specialized in the study of lichens. Johann Babtist Zahlbruckner, an earlier Austrian botanist, was his grandfather. From 1878 to 1883 ...

in the protologue publication. Both of these spellings are considered incorrect, and the current spelling has been formalised following a proposal for

conservation Conservation is the preservation or efficient use of resources, or the conservation of various quantities under physical laws. Conservation may also refer to: Environment and natural resources * Nature conservation, the protection and manageme ...

of Chrysotrichaceae against Pulverariaceae (an earlier

synonym A synonym is a word, morpheme, or phrase that means exactly or nearly the same as another word, morpheme, or phrase in a given language. For example, in the English language, the words ''begin'', ''start'', ''commence'', and ''initiate'' are all ...

Genera

* '' Byssocaulon'' – 1 sp. * ''

Chrysothrix ''Chrysothrix'' is a genus of lichen-forming fungi in the family Chrysothricaceae. They are commonly called gold dust lichens or sulfur dust lichens,Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, because th ...

'' – ca. 18 spp. * '' Galbinothrix'' – 1 sp. * ''

Melarthonis ''Melarthonis'' is fungal genus in the family Chrysotrichaceae. It is a monotypic genus, containing the single species ''Melarthonis piceae'', a corticolous lichen. Both the genus and species were described as new to science in 2014 by Andreas ...

'' – 1 sp.

References

Arthoniomycetes Lichen families Taxa named by Alexander Zahlbruckner Taxa described in 1905 {{Arthoniomycetes-stub