''Xanthomendoza'' is a genus of small, bright orange foliose
lichen
A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship.lecanorine
A lichen has lecanorine fruiting body parts if they are shaped like a plate with a ring around them, and that ring is made of tissue similar to the main non-fruiting body part of the lichen.Field Guide to California Lichens, Stephen Sharnoff, Yale ...
Teloschistaceae
The Teloschistaceae are a large family of mostly lichen-forming fungi belonging to the class Lecanoromycetes in the division Ascomycota. The family, estimated to contain over 1800 species, was extensively revised in 2013, including the creation o ...
. Members of the genus are commonly called sunburst lichens or orange lichens because of their bright orange color.Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014,
Members of ''Xanthomendoza'' were formerly classified in the genus '' Xanthoria'', but ''Xanthomendoza'' members have
rhizene
A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship.holdfasts, while ''Xanthoria'' do not, and they have different ''
conidia
A conidium ( ; ), sometimes termed an asexual chlamydospore or chlamydoconidium (), is an asexual, non-motile spore of a fungus. The word ''conidium'' comes from the Ancient Greek word for dust, ('). They are also called mitospores due to the ...
''.
Lichen spot tests
A spot test in lichenology is a spot analysis used to help identify lichens. It is performed by placing a drop of a chemical on different parts of the lichen and noting the colour change (or lack thereof) associated with application of the chemical ...
on the upper cortex are K+ purple, KC−, C−, and P−.
Xanthomendoza hermonii
''Xanthomendoza'' is a genus of small, bright orange foliose lichens with lecanorine apothecia. It is in the family Teloschistaceae. Members of the genus are commonly called sunburst lichens or orange lichens because of their bright orange co ...
Xanthomendoza oregana
''Xanthomendoza oregana'' is a species of corticolous (bark-dwelling), foliose lichen in the family Teloschistaceae. It forms an orange to bright-yellow thallus with ascending that gives it the overall appearance of a tuft. The lichen occu ...
Xanthomendoza subramulosa
''Xanthomendoza'' is a genus of small, bright orange foliose lichen, foliose lichens with lecanorine apothecia. It is in the family Teloschistaceae. Members of the genus are List of common names of lichen genera, commonly called sunburst lichens ...