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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.
A list of tree species, grouped generally by biogeographic realm and specifically by bioregions, and shade tolerance. Shade-tolerant species are species that are able to thrive in the shade, and in the presence of natural competition by other plants. Shade-intolerant species require full sunlight and little or no competition.
They are managed by the Pennsylvania Bureau of Forestry, a division of the Pennsylvania Department of Conservation and Natural Resources. A reorganization effective July 1, 2005 shifted territory among several state forests in eastern Pennsylvania, resulting in the elimination of Wyoming State Forest and the creation of Loyalsock State Forest.
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Rapidly growing trees soak up carbon, add much oxygen to the atmosphere, and protect soil. Taller trees shade streams, helping to regulate water temperature for aquatic life. By the 1940s, the forest began to take on an appearance familiar to us today. The older trees provide acorns, cherries, and beech nuts for bear and turkey.
A group of Laysan albatrosses resting beneath the canopy of a fig, a common shade tree in many parts of the world.. A shade tree is a large tree whose primary role is to provide shade in the surrounding environment due to its spreading canopy and crown, where it may give shelter from sunlight in the heat of the summer for people who seek recreational needs in urban parks and house yards, and ...