Serried Porecrust

Antrodia serialis

"Antrodia serialis" is a species of polypore fungus in the genus "Antrodia". A widespread species, "A. serialis" causes heart rot in living trees. In North America, it is often confused with the morphologically similar "Antrodia serialiformis", which grows on oak.
Small white shelf fungus slight orange tint to cap, white pores, somewhat soft Antrodia serialis,Fall,Geotagged,United States

Naming

Originally named "Polyporus serialis" by Elias Fries in 1821, it was given its current name by Marinus Anton Donk in 1966.

References:

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Taxonomy
KingdomFungi
DivisionBasidiomycota
ClassAgaricomycetes
OrderPolyporales
FamilyFomitopsidaceae
GenusAntrodia
SpeciesA. serialis