Cantharellus cinnabarinus

Common Name: Red Chanterelle
Description: Cap 1-5 cm across, nearly flat to slightly funnel-shaped; margin inrolled when young, irregular, lobed or scalloped; brilliant cinnabar red, then pinkish orange with age, finally nearly pallid. Stem 20-50 by 3-9 mm high and wide.
Habitat: in open areas at edges of mixed woods, often in large numbers. Common. Found widespread throughout North America.
Edible: Yes.

Source: Mushrooms of North America by Roger Phillips.