Fruiting body: White and cottony covering host. Produces conidia; becomes pale yellow, then yellow-brown and powdery; buff/brown perithecia form a bumpy texture. KOH (potassium hydroxide) turns surface yellow to red to black; similar-appearing H. chlorinigenus does not react to KOH (J. Solem, pers. comm.).
Infects Boletaceae, growing over surface and eventually distorting all parts (J. Solem, pers. comm.).
There are 4 records in the project database.
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