Reference
Taiga Kasuya, Seiji Takehashi, Tamotsu Hoshino (2010): Entoloma aprile (Agaricales, Entolomataceae) new to
Japan, with notes on its mycorrhiza associated with
Populus maximowiczii in cool-temperate deciduous
forests of Hokkaido – Sydowia – 062: 205 - 223.