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Lemna minor L.
Synonym(s): Lemna cyclostasa, Lemna minima
USDA Symbol: lemi3
Tiny floating plants often forming a carpetlike cover on the water’s surface.
This duckweed is more widely distrubuted in Canada and the United States and better adapted to cold climates than Lesser Duckweed (L. aequinoctialis).
Plant CharacteristicsDuration: Perennial Habit: Herb Leaf:
Bloom InformationBloom Color: Green
Bloom Time: Jun , Jul , Aug
, WY Canada: AB
, YT Native Distribution:
Throughout North America. Native Habitat:
Ponds, quiet water.
Growing ConditionsWater Use: High
Light Requirement: Sun
Soil Moisture: Wet
CaCO3 Tolerance: Medium
Conditions Comments: When in dense colonies, can stop the proliferation of mosquito larvae by creating a barrier when they want to breathe at the surface.Very fast growth rate.
BenefitUse Wildlife: Food for ducks, tadpoles, fish and beavers. (Fleurbec)
Deer Resistant: No
National Wetland Indicator Status
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
Record Last Modified: 2007-01-01
Research By: TWC Staff