Chrysothrix caesia

Chrysothrix caesia

Chrysothrix caesia is a lichenized species of fungi in the family Chrysothricaceae.
Arthonia (Chrysothrix) caesia The yellowish crust with blue apothecia is Arthonia (Chrysothrix) caesia. Habitat is a very old jack pine (Pinus banksiana) cone that has probably been on this branch for about 20 years.
https://www.jungledragon.com/image/74934/arthonia_chrysothrix_caesia.html Arthonia caesia,Chrysothrix caesia,Geotagged,Minnesota,Pinus banksiana,Spring,United States,frosted comma lichen,jack pine

Naming

Synonyms:
Allarthonia caesia Flotow
Arthonia caesia (Flotow) Körber.
Arthonia lecideella Nyl. ex Willey

References:

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Taxonomy
KingdomFungi
DivisionAscomycota
ClassArthoniomycetes
OrderArthoniales
FamilyChrysothricaceae
GenusChrysothrix
SpeciesChrysothrix caesia