Xanthomendoza

Xanthomendoza is a genus of small, bright orange foliose lichens with lecanorine apothecia. It is in the family Teloschistaceae.^[1] Members of the genus are commonly called sunburst lichens or orange lichens because of their bright orange color.^[2]: 130

Xanthomendoza
Xanthomendoza mendozae
Scientific classification
Kingdom:	Fungi
Division:	Ascomycota
Class:	Lecanoromycetes
Order:	Teloschistales
Family:	Teloschistaceae
Genus:	Xanthomendoza S.Y.Kondr. & Kärnefelt (1997)
Type species
Xanthomendoza mendozae (Räsänen) S.Y.Kondr. & Kärnefelt (1997)

Members of Xanthomendoza were formerly classified in the genus Xanthoria, but Xanthomendoza members have rhizenes or scattered holdfasts, while Xanthoria do not, and they have different conidia.^[2]

Lichen spot tests on the upper cortex are K+ purple, KC−, C−, and P−.^[2]

Species

As of January 2024^[update], Species Fungorum (in the Catalogue of Life) accepts nine species of Xanthomendoza:^[3]

• Xanthomendoza hermonii (S.Y.Kondr.) Frödén, Arup & Søchting (2013)
• Xanthomendoza huculica (S.Y.Kondr.) Diederich (2014)
• Xanthomendoza kashiwadanii S.Y.Kondr. & Kärnefelt (2009)^[4]
• Xanthomendoza leoncita Bungartz & Søchting (2020)^[5] – Galápagos Islands
• Xanthomendoza mendozae (Räsänen) S.Y.Kondr. & Kärnefelt (1997)
• Xanthomendoza oregana (Gyeln.) Søchting, Kärnefelt & S.Y.Kondr. (2002)
• Xanthomendoza pruinosa (Hillmann) Søchting, Kärnefelt & S.Y.Kondr. (2002)
• Xanthomendoza sogdiana S.Y.Kondr. & Kudratov (2010)
• Xanthomendoza subramulosa (Räsänen) Søchting, Kärnefelt & S.Y.Kondr. (2002)