Plantpot Dapperling Leucocoprinus birnbaumii (Corda) Singer syn. Lepiota lutea (Bolton) Godfrin (illustrated life size) Cap 2.5–5cm across, ovate, becoming broadly conical or bell-shaped then umbonate and flat, the margin distinctly striate in mature specimens; bright yellow to greenish-yellow or pale yellow, the disc sometimes darker or more brownish; dry, powdery to mealy or minutely scaly in age. Stem 30–100×1–5mm, slender, but slightly enlarged at the base; yellow; dry, smooth, or powdery; veil yellow, partial veil forms a small, collar-like ring on the upper stalk, which may disappear. Flesh yellow; very thin. Gills free, crowded; yellow or pale yellow. Spores 8–13×5.5–8¼, elliptical, with an apical pore, smooth; dextrinoid. Spore print white. Habitat this is a tropical species that can be found in heated greenhouses; all year. Uncommon. Not edible reported as poisonous to some people. Note photographed by Geoffrey Kibby.