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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...
Bull Thistle
(Cirsium vulgare)
Family: Asteraceae (Sunflower) · Invasive
Location: Sandy Creek Trail
Date: 7/20/2002
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Family: Asteraceae (Sunflower) · Invasive
Location: Sandy Creek Trail
Date: 7/20/2002
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Field Bindweed
(Convolvulus arvensis L.)
Family: Convolvulaceae (Morning Glory) · Invasive
Location: Panhandle Trail
Date: 7/27/2002
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Family: Convolvulaceae (Morning Glory) · Invasive
Location: Panhandle Trail
Date: 7/27/2002
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Purple Loosestrife
(Lythrum salicaria)
Family: Lythraceae (Loostrife) · Invasive
Location: Montour Trail
Date: 7/27/2002
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Family: Lythraceae (Loostrife) · Invasive
Location: Montour Trail
Date: 7/27/2002
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Japanese Knotweed
(Polygonum cuspidatum)
Family: Polygonaceae (Buckwheat) · Invasive
Location: Samuel Justice Trail
Date: 8/31/2002
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Family: Polygonaceae (Buckwheat) · Invasive
Location: Samuel Justice Trail
Date: 8/31/2002
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Common Mullein
(Verbascum thapsus L.)
Family: Scrophulariaceae (Figwort) · Invasive
Location: Stavich Bicycle Trail
Date: 10/5/2002
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Family: Scrophulariaceae (Figwort) · Invasive
Location: Stavich Bicycle Trail
Date: 10/5/2002
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Wild Parsnip
(Pastinaca sativa)
Family: Apiaceae (Parsley) · Invasive
Location: Montour Trail
Date: 6/29/2002
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Family: Apiaceae (Parsley) · Invasive
Location: Montour Trail
Date: 6/29/2002
Detail | All pics of this flower