Fungi of the genus Hypholoma are quite well known due to the commonness of Sulphur Tuft (Hypholoma fasciculare) on stumps in temperate woodlands. This species is easily recognizable because the dark spores create a distinctive greenish effect on the yellow cap underside. Hypholoma means "mushrooms with threads" because of the thread-like veil that connects the cap to the stem when young and for the bundles of rhizomorphs which radiate outwards from the stem base,