Description: One of three North American genera exhibiting a basidiomycete mycobiont. When not in fruit, thallus appears as a mass of tiny green globules with occasional squamules present. Fruiting body a pale yellowish-tan mushroom with prominent gills.
Distribution: West of Cascades crest in Washington; Alaska to northern California, Maine; In Canada west of Rockies, in Yukon, Northwest Territories in north, east to Quebec.
Habitat: Shaded boreal forest and open tundra.
Substrate: Rotting wood and peat.