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The Pennsylvania Department of Conservation and Natural Resources ranks invasive species into 3 categories based on urgency of threat. [ 4 ] Terrestrial Plants and Trees
This page alphabetically lists some known plant species occurring in the US state of Pennsylvania. Currently about 2,100 native and 1,300 non-native plant species are known in Pennsylvania. [1] According Pennsylvania Department of Conservation and Natural Resources, the known species make up 37% of Pennsylvania's total wild plant flora.
The economic impacts of invasive species can be difficult to estimate especially when an invasive species does not affect economically important native species. This is partly because of the difficulty in determining the non-use value of native habitats damaged by invasive species and incomplete knowledge of the effects of all of the invasive species present in the U.S. Estimates for the ...
This semi-evergreen vining plant invades the edges of forests, streams, and roadsides, smothering vegetation, says Kandra. It blooms in both shade and sun conditions and is most noticeable in late ...
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Carbaugh Run Natural Area: Michaux: Adams: 780 acres (316 ha) Also a designated Reptile and Amphibian Protection Area, and founded to protect Native American archeological sites. [13] [21] Charles F. Lewis Natural Area: Gallitzin: Indiana: 384 acres (155 ha) Named after an area journalist and conservationist. [22] [23] Cranberry Swamp Natural ...
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