How to identify it?
Cap
Cap 4-14 cm across, convex, becoming flat convex with age; from white to grey-green to brick-colored; surface viscid, smooth. Flesh thick, soft, white to yellowish. Odour and taste not distinctive.
Pores
Pores white to cream, becoming yellowish to dingy, with droplets of creamy liquid.

Scientific Classification

Phylum
Club fungi Class
Mushroom-forming fungi Order
Boletes and allies Family
Suillaceae Genus
Slippery jacks Species
Pungent slippery jack