bovine boletus mushroom

Bovine Bolete – Suillus bovinus

Fungi of the Week

12th June 2020 | Info

Common name: Bovine Bolete 

Scientific name: Suillus bovinus 

Introduction: The Bovine Bolete (Suillus bovinusis an ectomycorrhizal fungus with pine trees.  


Cap: Caps of the Bovine Bolete vary in colour from pale yellow to a deep orangey-brown, and they have a wet-like sheen. Usually, you will find that caps have an irregular and wavy margin which is paler than the primary colour of the cap. 

Tubes/Pores: The tubes of a Bovine Boletus end in large yellow pores that elongate towards the stem. When bruised, they tend to turn to a grey-green colour. 

Stem: When young, the stems of a Bovine Boletus have a club-like shape and are a light grey-brown colour. As they mature, they become more parallel-sided and averagely reach up to 8cm tall. When cut open, their flesh is white and become slightly pinker towards the base of the stem. 

Spores: Subfusiform and smooth with an olive coloured spore print. 

Flesh: The flesh of a Bovine Boletus is typically white, sometimes with a pinkish tint. 

Habitat and Impact on Trees

Bovine Boletes have an ectomycorrhizal relationship with Pine trees but can also grow underneath some other conifers. They commonly grow in large groups with the Rosy Spike Fungus and are widely found beside forest paths and at the edges of woods between August to November. 

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