The species was mainly exported from Canada and United States, so it is easily inferred that Rorippa amphibia (L.) Besser was incidental from that area.

• 该种是以草坪为分布中心，先是占领草坪草的生态位，然后逐步向周围扩大分布区，形成近于单一的两栖蔊菜小群落。该种出现于大连与草坪引种有关。