Nymphoides hydrophylla (crested floatingheart, white water snowflake, white snowflake) is an aquatic plant of the family Menyanthaceae native to tropical Asia. It has cordate floating leaves that support a lax inflorescence of dainty white flowers with fringed petal margins. Its slim stem (spear) is edible, and is used as vegetable in ******, mostly produced at Meinong District, Kaohsiung.