''Chrysothrix'' is a genus 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 in the family

Chrysothricaceae Chrysotrichaceae is a family of lichenized fungi in the order Arthoniales. Member of this family have a widespread distribution, but are especially prevalent in tropical areas. "Chrysothrichaceae" and "Chrysothricaceae" are alternative spellings ...

. They are commonly called gold dust lichens or sulfur dust lichens,Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, because they are bright yellow to greenish-yellow, sometimes flecked with orange, and composed entirely of powdery soredia.Brodo, I. M., S. D. Sharnoff, and S. Sharnoff. 2001. Lichens of North America. Yale University Press: New Haven. Apothecia are never present in North American specimens. They grow on bark or rocks, generally in shaded habitats. They can sometimes be mistaken for sterile specimens of ''

Chaenotheca ''Chaenotheca'' is a genus of lichenized fungi within the family Coniocybaceae. The sexual reproduction structures are a mass of loose ascospores that are enclosed by a cup shaped exciple sitting on top of a tiny stalk, having the appearance of ...

'', which usually has pinhead apothecia on tiny stalks, or ''

Psilolechia ''Psilolechia'' is a genus of four species of crustose lichens. It is the only member of Psilolechiaceae, a family that was created in 2014 to contain this genus. Taxonomy The genus ''Psilolechia'' was established by Abramo Bartolommeo Massalong ...

'', which usually has small, bright yellow apothecia. ''Chrysothrix chlorina'' was traditionally used as a brown dye for wool in Scandinavia. Uphof, J. C. T. 1959. Dictionary of Economic Plants. Hafner Publishing Co.: New York.

Taxonomy

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 French botanist

Camille Montagne Jean Pierre François Camille Montagne (15 February 1784 – 5 December 1866) was a French military physician and botanist who specialized in the fields of bryology and mycology. He was born in the commune of Vaudoy in the department of Seine-et- ...

in 1852, with ''

Chrysothrix noli-tangere ''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 they ...

'' assigned as the type species.

Species

*''

Chrysothrix bergeri ''Chrysothrix bergeri'' is a species of crustose lichen in the family Chrysotrichaceae. It is found in the southeastern United States and the Caribbean, where it grows as a bright yellow, powdery crust on the bark and wood of mostly hardwoods. T ...

'' – southeastern United States; the Caribbean; Bermuda *''

Chrysothrix caesia ''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 they ...

'' *''

Chrysothrix candelaris ''Chrysothrix candelaris'', commonly known as the mustard powder lichenDobson, Frank S. ''Common British Lichens''. Pub. Norwich:Jarrold Colour Publication. p. 14. or gold dust lichen, is a species of leprose (powdery) lichen in the family Chry ...

'' *''

Chrysothrix chamaecyparicola ''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 they ...

'' – eastern North America *''

Chrysothrix chilensis ''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 they ...

'' – Chile *''

Chrysothrix chlorina ''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 they ...

'' *''

Chrysothrix chrysophthalma ''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 they ...

'' *''

Chrysothrix citrinella ''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 they ...

'' *''

Chrysothrix flavovirens ''Chrysothrix flavovirens'' is a species of crustose and corticolous (bark-dwelling) lichen in the family Chrysotrichaceae. It was formally described as a new species in 1994 by Tor Tønsberg as the sorediate counterpart of the common and wides ...

'' *''

Chrysothrix frischii ''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 they ...

'' *''

Chrysothrix galapagoana ''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 they ...

'' *''

Chrysothrix granulosa ''Chrysothrix granulosa'', the coastal gold dust lichen, is a brilliant yellow, powdery ( leprose) lichen that grows in irregular patches mostly on bark (sometimes wood and rock) in shaded dry areas of coastal western North America and western S ...

'' – South America *''

Chrysothrix insulizans ''Chrysothrix insulizans'' is a species of leprose lichen in the family Chrysotrichaceae. It is a distinctive species of lichen characterized by its bright yellow-green to yellow-orange coloring and unique growth patterns. Most collections hav ...

'' *''

Chrysothrix occidentalis ''Chrysothrix occidentalis'' is a species of saxicolous (rock-dwelling) dust lichen in the family Teloschistaceae. This yellow lichen occurs in Western Australia in open ''Eucalyptus'' forests. Taxonomy It was formally described as a new spe ...

'' – Australia *''

Chrysothrix oceanica ''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 they ...

'' *''

Chrysothrix onokoensis ''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 ...

'' *''

Chrysothrix palaeophila ''Chrysothrix palaeophila'' is a rare species of corticolous (bark-dwelling) lichen in the family Chrysotrichaceae. It is endemic to Tasmania, Australia. The lichen grows in bark fissures that rarely have other lichens. It has an immersed thal ...

'' – Australia *''

Chrysothrix pavonii ''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 they ...

'' *''

Chrysothrix placodioides ''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 they ...

'' – South America *''

Chrysothrix septemseptata ''Chrysothrix septemseptata'' is a species of crustose lichen in the family Arthoniaceae. Found in India, it was formally described as a new species in 2006 by T.A.M. Jagadeesh Ram, H. Thorsten Lumbsch, Robert Lücking, and G.P. Sinha. The type ...

'' – India *'' Chrysothrix susquehannensis'' – eastern North America *''

Chrysothrix tchupalensis ''Chrysothrix tchupalensis'' is a little-known species of saxicolous (rock-dwelling), powdery lichen in the family Chrysotrichaceae. It occurs in north Queensland, Australia. The lichen forms a powdery, bright yellow thallus that grows on she ...

'' – Australia *''

Chrysothrix xanthina ''Chrysothrix xanthina'' is a widely distributed species of leprose lichen in the family Arthoniaceae. It has a bright yellow to bright greenish-yellow, thin, granular thallus, and typically grows on bark, although it is infrequently found grow ...

References

{{Taxonbar, from=Q15644212 Lichen genera Taxa described in 1852 Taxa named by Camille Montagne Arthoniomycetes genera