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Garlic Mustard - Alliaria petiolata
Jack-by-the-hedge, Penny Hedge,
(see State Rank Reason below)
State Rank Reason (see State Rank above)
Alliaria petiolata has been detected in the state twice (2013 - Daniels County and 2015 - Lewis and Clark County) and both populations were eradicated.
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Observations in Montana Natural Heritage Program Database
Number of Observations:
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(Observations spanning multiple months or years are excluded from time charts)
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