Hypholoma capnoides is an edible mushroom which like its poisonous or suspect relatives H. fasciculare

Hypholoma fasciculare

Hypholoma fasciculare, commonly known as the sulphur tuft, sulfur tuft or clustered woodlover, is a common woodland mushroom, often in evidence when hardly any other mushrooms are to be found...

("Sulphur Tuft") and H. sublateritium

Hypholoma sublateritium

Hypholoma sublateritium, sometimes called Brick Cap, is rarer and less well-known than its relatives, the inedible, and poisonous Sulfur Tuft and the edible Hypholoma capnoides...

("Brick Caps") grows on decaying wood, for example in tufts on old tree stumps. Anyone thinking to eat this mushroom needs to be able to distinguish it from Sulphur Tuft, which is more common in many areas. H. capnoides has greyish gills due to the dark color of its spores, whereas Sulphur Tuft has greenish gills. It could also perhaps be confused with the deadly Galerina marginata

Galerina marginata

Galerina marginata is a species of poisonous fungus in the family Hymenogastraceae of the order Agaricales. Prior to 2001, the species G. autumnalis, G. oregonensis, G. unicolor, and G. venenata were thought to be separate due to differences in habitat and the viscidity of their...

or the good edible Kuehneromyces mutabilis

Kuehneromyces mutabilis

Kuehneromyces mutabilis , commonly known as the Sheathed Woodtuft, is an edible fungus which grows in clumps on tree stumps or other dead wood. A few other species have been described in the genus Kuehneromyces, but K...

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Description

• Cap: Up to 6cm in diameter with yellow-to-orange-brownish or matt yellow colour.
• Gills: Initially pale orangish-yellow, pale grey when mature, later darker purple/brown.
• Spore powder: Dark burgundy/brown.
• Stipe: Yellowish, somewhat rust-brown below.
• Taste: Mild (other Hypholomas mostly have a bitter taste).