A small, bright lemon-yellow mushroom with a thin, finely scaly cap, best known from potted plants and greenhouses. It is tropical to subtropical in origin and has spread through the trade in plants and soil. It is toxic if eaten and causes gastrointestinal upset.
Poisonous. Eating it causes gastroenteritis-like symptoms, and sources disagree on how severe these are. Keep children and pets away from fruiting houseplants. The fungus does not harm the plants themselves.
Never eat a wild mushroom based on a web page — confirm with an expert.
Habitat
Saprobic on humus, compost and potting soil. In temperate regions it mostly appears in greenhouses, flowerpots and terrariums; outdoors in warm climates.
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Common throughout the tropics and subtropics. Spread to warmer temperate areas and to indoor settings worldwide with plants, soil and nursery stock.
Characteristics
Cap: 2.5-6 cm, egg-shaped to bell-shaped or convex, lemon to sulphur yellow, covered in fibrous scales. Gills: free, sulphur yellow. Stem: 3-10 cm long, slender, hollow, yellow, with a movable ring that may disappear. Odor and taste: indistinct. Spore print: white. Spores: about 7.7-10.5 x 5.9-7.3 um, ellipsoid to almond-shaped, with a large germ pore.