Nymphoides hydrophylla
 Nymphoides hydrophylla (Crested floating heart White water snowflake White snowflake[citation needed]) 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 at Meinong District Kaohsiung Taiwan.Flowers of N. hydrophylla are gynodioecious.