In "Toga," an etymological dictionary written by Hakuseki ARAI in 1719, there is a comment that "Kusamochi is now made by mixing mugwort instead of traditional hahakogusa, which is also called yomogimochi (a mugwort rice cake)."
新井白石『東雅』（1719年）にも、かつてはハハコグサを用いたが、今日ではヨモギを用い、草餅とも蓬餅ともいうとある。