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Results matching Invasive plants
Invasive plants are non-native species that aggressively crowd out other vegetation. This website designates invasive plants based on their behavior in Pennsylvania and the northeastern United States. More information on invasive plants...
Watercress
Watercress (Nasturtium officinale)
Family: Brassicaceae (Mustard) · Invasive
Location: Ghost Town Trail
Date: 6/11/2006
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Spanish Bluebells
Spanish Bluebells (Hyacinthoides hispanica)
Family: Liliaceae (Lily) · Invasive
Location: Allegheny Highlands Trail
Date: 5/26/2008
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Touch-Me-Not Bittercress
Touch-Me-Not Bittercress (Cardamine impatiens)
Other Common Names: Narrow-Leaved Bittercress
Family: Brassicaceae (Mustard) · Invasive
Location: Butler-Freeport Trail
Date: 5/22/2011
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Crown Vetch
Crown Vetch (Coronilla varia)
Other Common Names: Axseed
Family: Fabaceae (Pea) · Invasive
Location: Ghost Town Trail
Date: 6/19/2011
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Privet
Privet (Ligustrum vulgare)
Family: Oleaceae (Olive) · Invasive
Location: Youghiogheny River Trail
Date: 6/9/2013
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Tyrol Knapweed
Tyrol Knapweed (Centaurea nigrescens)
Other Common Names: Meadow Knapweed
Family: Asteraceae (Sunflower) · Invasive
Location: Montour Trail
Date: 7/27/2014
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