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The three images above depict Garlic Mustard (Alliaria petiolata), which is found across North America and Europe, as well as parts of Asia and Australia.

First year plants form lumps of small leaves (rosettes) and usually do not flower. In the early spring they are small - just a few cm in diameter with a slightly jagged lilly-pad shape. Later in the summer these get bigger, the edges are more jagged but still have a sort of lilly-pad shape.

Identification of adult plants is easiest if you can find at least one plant that still has flowers.
Flowers are small (6mm or 1/4 inch in diameter), each with four white petals. Leaves on the main stem change from lilly-pad shape near the base of the stem to more spear-like with jagged edges near the flowers.

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* 1. How certain are you that this is what you found

Personal information is optional but will be kept confidential and help us to confirm your identification.

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* 2. Location Information

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* 3. Please add any additional information that might be helpful (e.g. landmarks to help us locate the population)

Thank you for this valuable information. Keep an eye on our sampling map at www.GarlicMustard.org to see if we end up sampling your population.

If possible, please send a photograph to confirm your identification to GarlicMustard@gmail.com

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