Birnbaum’s whitetail (Leucocoprinus birnbaumii)
- Division: Basidiomycota (Basidiomycetes)
- Subdivision: Agaricomycotina (Agaricomycetes)
- Class: Agaricomycetes (Agaricomycetes)
- Subclass: Agaricomycetidae (Agaricomycetes)
- Order: Agaricales (Agaric or Lamellar)
- Family: Agaricaceae (Champignon)
- Genus: Leucocoprinus
- Type: Leucocoprinus birnbaumii (Birnbaum’s whitetail)
Birnbaum’s White Carrier (Leucocoprinus birnbaumii) is a mushroom from the genus Belonavozniki of the Champignon family.
head 1-5 cm in diam., finely fleshy, ovoid when young, oval, then conical, later campanulate, with a small tubercle, dry, picric yellow, tubercle yellow, covered with a scattered yellowish flaky coating, with tucked, later straight, radially striated edge.
Leg 4-8×0,2-0,4 cm, central, often curved, widening towards the base, with a small tuber 0,5-0,6 cm, hollow, picric-yellow, glabrous, covered with a yellow flaky coating below the ring.
The ring is apical, narrow, membranous, yellowish, often disappearing.
Pulp yellowish, does not change at a break, without a special smell and taste.
Records loose, thin, frequent, sulphurous yellow.
Spore powder whitish-pink.
Споры 7-11×4,5-7,5 microns, oval-ellipsoid, smooth, with sprouting pores, colorless.
It grows on compost, in greenhouses, greenhouses, greenhouses throughout the year.
Inedible ornamental mushroom.