About Amanita crenulata Peck
Scientific name: Amanita crenulata Peck
Cap: 2–9 cm wide. It starts hemispheric, then becomes flatter with age. Cap color is pale tan, sometimes with grayish or yellowish tones. The volva appears as powdery, somewhat paler warts spread across the wide cap; the color of these warts gives this mushroom the common name "champagne".
Gills: narrowly adnate, close to subcrowded, and range in color from white to cream. Short gills are most often truncate to subtruncate, and occasionally subattenuate.
Stipe: measures 17–100 × 3.5–16 mm. It features a skirt-like annulus, which is often shed quickly or remains as torn fragments on the margin of the pileus. Its prominent bulb usually has a distinct ring of champagne-colored volval powder on its "shoulder".
Odour is not distinct. Amanita crenulata is an ectomycorrhizal fungus that forms a symbiotic root relationship with trees.
