1. (noun) any small or minute aquatic plant of the family Lemnaceae that float on or near the surface of shallow ponds

• aquatic plant
• hydrophyte
• hydrophytic plant
• water plant

1. (noun) any small or minute aquatic plant of the family Lemnaceae that float on or near the surface of shallow ponds

• bogmat
• mud midget
• wolffiella gladiata
• common duckweed
• lemna minor
• lesser duckweed
• great duckweed
• spirodela polyrrhiza
• water flaxseed
• lemna trisulca
• star-duckweed
• watermeal

1. (noun) any small or minute aquatic plant of the family Lemnaceae that float on or near the surface of shallow ponds

• duckweed family
• family lemnaceae
• lemnaceae