also: ほこりたけ
noun
common puffball; warted puffball
A type of mushroom (Lycoperdon perlatum) that releases spores like dust when mature. The name literally means 'dust mushroom'.
ホコリタケは成熟すると、触ると煙のような胞子を出す。
When mature, the common puffball releases smoke-like spores when touched.
この辺りの林では、秋になるとホコリタケが
In the woods around here, common puffballs are often seen in autumn.
From 埃 (hokori, 'dust') + 茸 (take, 'mushroom'), referring to the dust-like spores released when the mushroom is disturbed.