on Black Oak tree
I have puzzled over blue decomposing wood for years -- wondering if there was a natural cause or something like spraypaint by trail maintenance crews.
Blue stain fungi (http://www.fs.fed.us/r3/resources/health/field-guide/sds/bluestain.shtml) seems like a likely candidate. They are carried and facilitate bark beetle infestations and the Kenai Peninsula is plagued by spruce bark beetles.
Mold that engulfs and aborts the growth of boletes.
En Sierra del Águila, Ahualulco de Mercado, Jalisco.
collected on this day from National Park. Coords represent central location where all specimens from bioblitz were brought for processing.