description Chroogomphus rutilus Overview
Chroogomphus rutilus, known as the copper spike or pine spike-cap, is a gilled fungus that forms ectomycorrhizal associations with pine and other conifers. Its fruiting body has a smooth, often viscid copper to reddish-brown cap, decurrent gills that darken as spores mature, and a yellowish to brown stem. It occurs across parts of Europe, Asia, North America, and North Africa, and is reported as edible, although it is not generally regarded as a highly valued food mushroom. [Latvijas Daba](https://www.latvijasdaba.lv/senes/chroogomphus-rutilus-scheff-fr-o-k-mill/)
help Chroogomphus rutilus FAQ
What trees does Chroogomphus rutilus grow with?
Chroogomphus rutilus forms ectomycorrhizal associations with pine and other conifers. The fungus connects with tree roots and exchanges nutrients with its host.
Why is Chroogomphus rutilus called the copper spike?
Its cap is often copper to reddish-brown and may have a smooth, viscid surface. The gills are decurrent and darken as the spores mature.
Are the gills of Chroogomphus rutilus attached to the stem?
Yes, the gills are decurrent, meaning they run down the stem. They become darker as the mushroom develops and its spores mature.
What does the cap of Chroogomphus rutilus feel like?
The cap is smooth and often viscid, especially in damp conditions. Its copper or reddish-brown color is a key field feature of this conifer-associated mushroom.
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