About Tephrocybe rancida (Fr.) Donk
The scientific name of this fungus is Tephrocybe rancida (Fr.) Donk. Its cap ranges from 1 to 4 cm in diameter, with a convex to flattened shape and a distinct umbo. The cap color is grey to brown-grey, and young caps are covered in a whitish bloom. The cap surface becomes shiny when wet. The gills are free from the stem, crowded together, and grey in color. The stem measures 4–8 cm long and 3–7 mm in diameter, and matches the cap in color. The spores are white or cream, ellipsoid in shape, and measure 7–8 × 3–4.5 micrometers. This species grows from the ground, occurring as solitary individuals in deciduous woodland. Its growing season extends from early autumn to early winter. It is a rare species found in North America and Europe.
