Slippery jack
Suillus luteus
The slippery jack is a bolete with a slimy brown cap 4–10 cm across and yellow pores underneath. Unlike most boletes, it has a membranous ring on its stem, brown to violet on the underside.
Where it's found
Grows in coniferous forests and pine plantations, often in large numbers in summer and autumn, partnering with pine roots.
Distribution
Native across Eurasia from Ireland to Korea and introduced widely with pine plantations to the Americas, southern Africa, Australia and New Zealand.
Similar species
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