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List of invasive plant species in Pennsylvania facts for kids

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Numerous plants have been introduced to the US state of Pennsylvania in the last four hundred years and many of them have become invasive species that compete with the native plants and suppress their growth.


Invasive species are often grouped by threat levels that vary from county to county from very high impact to remarkable increased growth. The species below are by no means comprehensive and are listed in type order rather than level of threat

The Pennsylvania Department of Conservation and Natural Resources ranks invasive species into 3 categories based on urgency of threat.

Terrestrial Plants and Trees

Picture Scientific Name Common Name
Acer platanoides Norway maple
Ailanthus altissima tree of heaven
Alliaria petiolata marais-belloy-sur-somme 80 26042007 3.jpg
Alliaria petiolata garlic mustard
Aralia elata en fleur4081.jpg
Aralia elata Japanese Angelica tree
Berberis thunb frt.jpg
Berberis thunbergii Japanese barberry
2014-11-11 14 33 05 Euonymus alatus foliage during autumn along Idaho Street in Elko, Nevada.jpg
Euonymus alatus winged spindle
Lonicera japonica Japanese honeysuckle
Phragmites australis Schilfrohr.jpg
Reynoutria japonica in Brastad 1.jpg
Reynoutria japonica Asian knotweed
Illustration of Rhamnus catharticus 63-cropped.png
Rhamnus cathartica buckthorn
Rhodotypos scandens jetbead
Rosa multiflora multiflora rose
Japanse wijnbes rijpe vruchten.jpg
Rubus phoenicolasius Japanese wineberry
Saccharum ravennae - J. C. Raulston Arboretum - DSC06214.JPG
Saccharum ravennae ravenngrass
Frangula alnus alder buckthorn
Galega officinalis goat's-rue
Herkulesstaude fg01.jpg
Heracleum mantegazzianum giant hogweed
Phellodendron japonicum.jpg
Phellodendron cork-tree
Pueraria kudzu
Vencetósigo negro - Vincetoxicum nigrum (15060096286).jpg
Vincetoxicum nigrum black swallowwort
Vincetoxicum rossicum1UME.JPG
Vincetoxicum rossicum pale swallowwort
Morus alba - Tehran.JPG
Morus alba white mulberry
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List of invasive plant species in Pennsylvania Facts for Kids. Kiddle Encyclopedia.