also: べにてんぐたけ
noun
fly agaric; Amanita muscaria
A well-known poisonous mushroom with a red cap and white spots. The name is often written in katakana.
ベニテングタケは毒キノコなので、絶対に食べてはいけません。
Fly agaric is a poisonous mushroom, so you must never eat it.
絵本に出てくる赤いキノコは、たいていベニテングタケです。
The red mushroom that appears in picture books is usually a fly agaric.