Species details

Sulphur tuft

Hypholoma fasciculare

Poisonous
Sulphur tuft – Hypholoma fasciculare

Photo: Thomas Jäger · CC BY-SA 3.0 · Photo source · License

Description

A sulphur-yellow mushroom growing in dense clusters on wood; the gills become greenish and then dark.

Identification features

The cap centre is often orange-brown. The taste is bitter, but tasting unknown mushrooms is not a safe identification method.

Identification checklist

It grows in dense clusters on stumps, roots, and buried wood. Caps are sulphur-yellow with an orange-brown centre; gills start yellow, become greenish, and finally dark olive-brown.

Detailed features

Cap
2–7 cm, sulphur-yellow, often browner or orange at the centre, convex to slightly umbonate.
Hymenophore
Crowded gills are initially sulphur-yellow, then olive-green and darken with age.
Stem
5–12 cm, slender, often curved, yellowish and browner towards the base.
Flesh
Yellowish and firm; intensely bitter.
Spore print
Purplish-brown.

Size

Cap diameter
2–7 cm
Stem height
5–12 cm
Stem diameter
0,5–1 cm

Habitat

On stumps, roots, and buried wood of deciduous and coniferous trees.

Fruiting period

April, May, June, July, August, September, October, November, December

Ecology

Trophic mode
Saprotrophic
Substrate
Dead wood, Stumps, Buried wood

Distribution

Notes
A very common wood-rotting species across much of Europe.

How to separate similar species

Sheathed woodtuft has a ring, a paler upper and dark scaly lower stem, and a rusty-brown spore print. Deadly funeral bell can be very similar; small brown wood-growing mushrooms often require microscopic confirmation.

Similar species

Interesting facts

Did you know? It often forms very dense clusters on stumps or buried wood; olive-green gills are an important warning feature.

Extended-description sources