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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.
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.
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An 1836 map of Pennsylvania's counties The Federal Information Processing Standard (FIPS) code, used by the U.S. government to uniquely identify counties, is provided with each entry. FIPS codes are five-digit numbers; for Pennsylvania the codes start with 42 and are completed with the three-digit county code.
County Area Date founded Remarks Alan Seeger Natural Area: Rothrock: Huntingdon: 390 acres (158 ha) 1921: Named after the poet who died during World War I. Includes old growth forest remnants. [3] [4] Algerine Swamp Natural Area: Tiadaghton: Lycoming, Tioga: 84 acres (34 ha) Includes a glacial bog. [5] [6] Anders Run Natural Area: Cornplanter ...
Under the ban, which was issued in two parts with 14 counties covered Sunday night and 16 more added Wednesday: All open burning is prohibited. All burn permits previously issued are canceled.
Displays of banned and challenged books, including information on how to fight censorship, will be up at seven Bucks County libraries this week. ... Pennsylvania ranked third for most book bans in ...
This is a list of Superfund sites in Pennsylvania designated under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) environmental law.The CERCLA federal law of 1980 authorized the United States Environmental Protection Agency (EPA) to create a list of polluted locations requiring a long-term response to clean up hazardous material contaminations. [1]