Common butterflies – buttermilk mushroom, boletus butterflies, maśluch, maślacz, maślach, the dreamer, buttercup, maślicha, buttermilk, snail, belly button, pine tree, pineapple, jaundice, sosnal
secondary value mushroom. It has a hat with a diameter of 4…15 cm, dark brown, chocolate brown, less often yellow-brown. Smooth surface, sticky, dry and shiny in drought. Tubes yellowish at first, then olive, adnate or run-off. Color pores of tubes, initially rounded, later angular. Yellowish body, quite short, with a hanging ring of a whitish shade at first, then purple. Creamy flesh, lemon yellow under the tubes, with a mild taste and low odor. Rusty spore discharge.
It grows in coniferous forests, usually under a pine tree. Very common, except in high mountain areas. Harvested from spring to autumn, dump mainly from July. In the Tatra Mountains and Pieniny, under the larch, they grow similar to the common butterflies – Trentino and Alpine butterflies with orange-cyclame-new-brown hats, lemon or light gray yellow. Yellow buttermilk is also quite common in Poland (lemon to orange brown) also growing under a larch, just like the much rarer sticky butterfish, mostly greyish-brown with a fading ring.