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Hydrocotyle americana L.
American marshpennywort, Water-pennywort
USDA Symbol: hyam
USDA Native Status: L48 (N), CAN (N)
A creeping or weakly erect marsh plant with small clusters of tiny, greenish-white flowers rising from leaf axils.
There are about eight pennywort species in the East. Their distinctive, rounded, penny-like leaves, on stems that creep or float, account for the common name.
Plant CharacteristicsDuration: Perennial Habit: Herb Flower:
Bloom InformationBloom Color: White
Bloom Time: Jun , Jul , Aug , Sep
, WV Canada: NB
, PE Native Distribution:
Ontario east to Nova Scotia, south to South Carolina, west to Tennessee, and north to Indiana, Wisconsin, and Minnesota. Native Habitat:
Damp woods and meadows.
Growing ConditionsSoil Moisture: Moist , Wet
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