Amanita japonica   Hongo ex Bas ?

  ハイイロオニタケ ?

  spore 10.2-14.5 x 6.1-9.2 micro meter

  Amyloid

 I thought this might be A. japonica, but spore size is bigger than the value written in Mushroom in Japan by Imazeki & Hongo, which shows 9-10.5 x 5.5-6.5 micro meter.