Ramariopsis kunzei

Common Name: None.
Description: Fruit body 2-10 cm high, usually numerously branched, compound; snow-white at first, tinged with pink in maturity; scurfy. Stem up to 1 cm or none, scruffy-hairy.
Habitat: in groups or clusters on humus in the woods. Sometimes common. Found widely distributed in northeastern North America and from the Pacific Northwest to southern California.
Edible: Yes.

Source: Mushrooms of North America by Roger Phillips.