《明史·本纪·卷十八》
十月十日，礼部进献吉祥灵芝一千八百六十棵，下诏广泛采集直径在一尺以上的。
冬十月癸丑，礼部进瑞芝一千八百六十本，诏广求径尺以上者。
On October 10, the Ministry of Rites presented 1,860 auspicious ganoderma, and an edict was issued for the extensive collection of ganoderma with a diameter of more than one foot.