Pholiota Squarrosa-adiposa is a species of mushroom that is commonly known by several synonyms. These synonyms include Squarrosa-adiposa, Flammulina squarrosa-adiposa, and Flammulaster squarrosus-adiposus. This species belongs to the family Strophariaceae and is widely distributed in North America, Europe, and Asia. The mushroom has a scaly cap, with brownish-yellow to reddish-brown scales. The stipe is firm and robust, yellowish-brown in color, and covered with white scales. This species is found in deciduous forests and is an important decomposer of dead wood. The usage of the synonyms highlights the diversity of nomenclature within scientific communities and helps to avoid ambiguity in identification.