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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...

Wild Parsnip
(Pastinaca sativa)
Family: Apiaceae (Parsley) · Invasive
Location: Allegheny River Trail
Detail | 9 more
Family: Apiaceae (Parsley) · Invasive
Location: Allegheny River Trail
Detail | 9 more

Multiflora Rose
(Rosa multiflora)
Family: Rosacae (Rose) · Invasive
Location: Montour Trail
Detail | 3 more
Family: Rosacae (Rose) · Invasive
Location: Montour Trail
Detail | 3 more

Poison Hemlock
(Conium maculatum)
Family: Apiaceae (Parsley) · Invasive
Location: Montour Trail
Detail | 3 more
Family: Apiaceae (Parsley) · Invasive
Location: Montour Trail
Detail | 3 more

Black Knapweed
(Centaurea nigra)
Family: Asteraceae (Sunflower) · Invasive
Location: Montour Trail
Detail | 6 more
Family: Asteraceae (Sunflower) · Invasive
Location: Montour Trail
Detail | 6 more

Japanese Honeysuckle
(Lonicera japonica)
Family: Caprifoliaceae (Honeysuckle) · Invasive
Location: Montour Trail
Detail
Family: Caprifoliaceae (Honeysuckle) · Invasive
Location: Montour Trail
Detail

Brown Knapweed
(Centaurea jacea)
Family: Asteraceae (Sunflower) · Invasive
Location: Montour Trail
Detail | 6 more
Family: Asteraceae (Sunflower) · Invasive
Location: Montour Trail
Detail | 6 more
We started out as wildflowers from the bicycle trails of western Pennsylvania, but we've
grown!