Tricholoma aurantium (Fr.) Ricken Narancsvörös pereszke. Cap 4-10cm across, convex becoming flatter with an obtuse umbo and an inrolled margin at first; color varies from yellow-orange to tawny to rusty orange or orange-brown or orange-red sometimes splashed with green; sticky when moist, smooth then breaking into small scales; sometimes orange droplets on the margin when moist. Gills adnate or notched, close, narrow; white staining rusty brown. Stem 30-80 x 8-20mm solid, firm; white background densely covered with rusty--orange scales below the ring zone; scaly or scurfy; small, cobweb-like partial veil leaves a line on the stem. Flesh thick; white. Odor strongly of rancid meal. Taste disagreeable, of meal or rancid oil. Spores ellipsoid to subglobose, smooth, 4-6x3-5um. Deposit white. Habitat singly, scattered, or in groups on the ground in mixed woods, under conifers, aspen, and madrone. Sometimes common and abundant. Found in Europe and widely distributed in North America. Season July-October (November February in California). Not edible.