Amanita sphaerobulbosa
Color photograph.
Amanita sphaerobulbosa
Considering that this article on poisons in "A. abrupta" is Japanese, the material studied was almost certainly A. sphaerobulbosa.
Amanita sphaerobulbosa
Many illustrations with data in Japanese text. Treated under the name "Amanita abrupta."
Amanita sphaerobulbosa
Illustration of Japanese mat'l. treated under the name "Amanita abrupta."