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Alliaria petiolata (Bieb.) Cavara & Grande
Garlic Mustard

Brassicaceae — Mustard family
Invasive non-native

Alliaria petiolata
Middle Run Valley Natural Area
May 2001
Alliaria petiolata
White Clay Creek State Park -- Possum Hill
May 2012
Garlic mustard is biennial; the round leaves are from plants in their first year. The other plants are Japanese stiltgrass.