Sulphur TuftHypholoma fasciculare

Mushroom ID is a rule-out game. Every entry below describes a species that looks similar — learn the differences before you put one in a basket.

Honey MushroomArmillaria mellea

✓ Edible

⚠️ Toxic if confused

Sulphur tufts have GREENISH-YELLOW GILLS darkening to olive-purple, extremely BITTER taste, and tight clusters on wood. Honey mushrooms have CREAM to pale-pink gills and a mild mushroomy taste. When in doubt, taste a tiny piece raw and spit — bitter = stop.

🌳 Host Trees & Plants

This species is found with or partners with the following hosts. Ectomycorrhizal hosts (green border) form a root-level partnership; ericoid / arbutoid shrubs (purple border) share the same mycorrhizal networks.

Rotting Wood

Saprobic substrate

Saprobic substrate

Decomposing wood of unspecified species — substrate for many generalist saprobic mushrooms.

Habitat

Dense clusters on decaying hardwood stumps and buried wood across North America and Europe. Year-round fruiting in mild climates; fall-concentrated in the north.

Growing Requirements

Commonly Mistaken For

Species people confuse with this one — often the edible they were hunting for. Each is tagged with its own edibility; Sulphur Tuft is the dangerous one.

Identification Tips

• ✓Bite a tiny piece and spit — sulphur tuft is intensely bitter even raw
• ✓Spore print is purple-brown to black — honey mushroom is white
• ✓Symptoms hit within a few hours — rarely hospitalizing but severe