Amanita concentrica is a species of basidiomycete fungi that belongs to the family Amanitaceae. It is native to Japan and China. It is a medium to large sized fungus with a white to yellowish-white color.
Taxonomy It is one of about 600 described species of fungi belonging to this genus. In it, it is a member of the subgenus Amanita and the section Amanita.
Distribution This species is native to Japan (Chiba Prefecture) and southwestern China. It can also be found in India and Thailand.Cui, Yang-Yang & Cai, Qing & Tang, Li-Ping & Liu, Jian-Wei. (2018). The family Amanitaceae: molecular phylogeny, higher-rank taxonomy and the species in China. Fungal Diversity. 91. 10.1007/s13225-018-0405-9. In Japan, it can be found evergreen broad-leaved forest of Castanopsis cuspidata var. sieboldii (chinquapin) and Quercus glauca (ring-cupped oak).
Description Its pileus is white to dirty white in color with a diameter of 7-13 mm. It is characterized by its many pyramidal warts on the pileus and its striate margin. It has a distinct ascending concentric rings at upper part of stipe bulb and inamyloid basidiospores.
See also List of Amanita species
References