Cracked Cap Polypore

Phellinus robiniae

''Phellinus robiniae'', commonly called the cracked cap polypore, is a fungus of the family of Hymenochaetaceae. The fungus primarily infests black locusts, aided by openings caused by ''Megacyllene robiniae'' infestation, but also grows on various other trees such as ''Carya'', oak, and ''Acacia''.
Phellinus robiniae This is a picture of Phellinus robiniae at Sandy Point State Park near Annapolis, Maryland. Geotagged,Phellinus robiniae,Spring,United States

Appearance

Cracked cap polypore is sympatric with most of its hosts. It has a brown spore print, leaving brown streaks on the tree below the fungus.

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Taxonomy
KingdomFungi
DivisionBasidiomycota
ClassAgaricomycetes
OrderHymenochaetales
FamilyHymenochaetaceae
GenusPhellinus
SpeciesP. robiniae