noun
scotch bonnet; fairy ring mushroom
A small edible mushroom that often grows in grassy rings; known scientifically as Marasmius oreades.
公園の芝生にシバフタケが輪になって生えていた。
Scotch bonnets were growing in a ring on the park lawn.
Compound of 芝生 (shibafu, 'lawn') + 茸 (take, 'mushroom'), referring to its typical habitat.