URL：https://cdn.image.st-hatena.com/image/scale/a31d879e3b8bbdbca4f31615764ebf8ac9817ffb/backend=imagemagick;version=1;width=1300/https://cdn-ak.f.st-hatena.com/images/fotolife/m/mocomocomoco1/20211121/20211121173756.jpg
掲載元：https://mocomocomoco.hatenablog.com/entry/2021/11/21/椎の実（しいのみ）と、どんぐりの見分け方
