Siberian butterdish (Suillus sibiricus)
- Division: Basidiomycota (Basidiomycetes)
- Subdivision: Agaricomycotina (Agaricomycetes)
- Class: Agaricomycetes (Agaricomycetes)
- Subclass: Agaricomycetidae (Agaricomycetes)
- Order: Boletales (Boletales)
- Family: Suillaceae
- Genus: Suillus (Oiler)
- Type: Suillus sibiricus (Siberian butterdish)
head Siberian butterdish 4-10 cm in diameter, slimy, broadly conical in a young fruiting body, cushion-shaped in a mature one, with a blunt tubercle, olive yellow, dirty sulfur yellow, yellow olive. With ingrown radial brown fibers.
Pulp the caps and legs of the Siberian oiler are yellow, not changing color at the break. The tubules are wide, 2-4 mm, narrower at the edge of the cap, yellow, running far down to the stem.
Leg Siberian butter dish 5-8 cm long, 1-1,5 cm thick, often curved, sulfur-yellow, with reddish-brown warts, dressed below with a white, dirty salmon mycelium.
The spathe is membranous, white, disappearing early.
Spores 8-12×3-4 microns, narrow ellipsoid.
Grows in coniferous-broad-leaved and coniferous forests under cedar, occurs frequently, in large numbers, in August-September.
edible.
Somewhat similar to cedar butterdish, but the overall color of the fungus is lighter, yellowish;
It grows in Siberia and the Far East with Siberian cedar and dwarf pine; outside of Our Country noted in Europe; known as an alien species in the Siberian cedar culture in Estonia.