Hollow stipe.
Fruiting in an ant mound (unfortunatelly I don't know the ant's gender). In it's base, there were "chambers" and passages among the mycelium.
Strong, "fungy" odour. As far as I can remember, it's gills didn't bruise when scratched. Hollow stipe.
Pencil for scale.
Occurrence of the living organism registered in the Zoobotanical Park of the Federal University of Acre - Ufac: an ecological corridor with about 144 hectares, constituting the largest green area within the urban perimeter.