Wolffia Columbiana is a species of aquatic plant that is commonly found in North America. It is also known by several other names including Colombian watermeal, dwarf watermeal, and minute duckweed. The plant is a member of the duckweed family and its tiny size makes it barely visible to the naked eye. The synonyms for this plant include Wolffia angusta, Wolffia arrhiza, and Wolffia brasiliensis. All these refer to a different variety of the same plant. Though it may seem insignificant, Wolffia Columbiana plays a crucial role in aquatic ecosystems as it provides shelter and food for various aquatic animals.