The rovellón, also called níscalo, nícalo or mízcalo, is an edible mushroom of the Lactarius genus. This product is of Spanish origin, MEDIUM size and EXTR category. It is sold with the indication «kilo» and sales unit «Kg»; the sheet literally states «Unidades/Kg: 1». Its cap, 5 to 15 cm in diameter, changes from convex or flat to a cup shape. The surface is orange, with darker concentric reddish-brown zones that may turn greenish over time. The gills are crowded, uneven and arched, and the stem is short and cream-orange. The flesh is hard and brittle, initially white and later greenish-orange; it exudes a bright orange «milk» that turns green on contact with air. The description highlights its fruity aroma and good flavor, as well as its status among the most sought-after edible mushrooms. It is common in the humid areas of pine forests during summer and autumn.