He also praised him for his haiku, 'Saitanowa ugoiteiruya hasunohana' as his best haiku, but ironically, after AKUTAGAWA died, it turned out that this haiku was created by Sanshu HASHIZUME, who was a poet and a friend of Seigetsu.
また、芥川は｢咲いたのは動いているや蓮の花｣を井月の最高傑作と称揚しているが、皮肉にもこの俳句は井月の俳友であった橋爪山洲の作品であることが、芥川の没後に判明した。