giant chickweed USDA PLANTS Symbol: MYAQ
U.S. Nativity: Exotic
Habit: Aquatic Forbs/Herbs
Myosoton aquaticum (L.) Moench

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Taxonomic Rank: Magnoliopsida: Caryophyllales: Caryophyllaceae
Synonym(s): giant chickweed
Native Range: Temp. & trop, Asia, Europe (GRIN);

EDDMapS Distribution:
This map is incomplete and is based only on current site and county level reports made by experts and records obtained from USDA Plants Database. For more information, visit

State(s) Where Reported invasive.
Based on state level agency and organization lists of invasive plants from WeedUS database.

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Invasive Listing Sources:
Jil M. Swearingen, Survey of invasive plants occurring on National Park Service lands, 2000-2007
Maryland Department of Natural Resources, 1994
Mid-Atlantic Exotic Pest Plant Council, 2005
New Jersey Department of Agriculture, Division of Plant Industry, 2004
Pennypack Ecological Restoration Trust, Pennsylvania.