Red Banded Polypore, immature

Description:

Cap hoof-shaped or triangular, hard and tough texture, up to 30-40 x 25 x 10 cm. Surface is more or less smooth, at first orange-yellow with a white margin, later dark reddish to brown and then frequently with orange margin. Pore surface pale yellow to leather-brown, 3-4 pores per mm.

Habitat:

Grows on live and dead coniferous or (less common) deciduous trees. Common throughout the temperate Northern hemisphere.

Notes:

This mushroom is inedible due to its woody texture, but it is useful as tinder.