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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.
Crataegus pennsylvanica, known as the Pennsylvania thorn, [2] is a species of hawthorn native to Delaware, New York, North Carolina, Ontario, Ohio, and Pennsylvania, [2] that grows to about 8 m in height. [2] The mature trees have few thorns. [2]
Dendrolycopodium hickeyi is ostensibly very similar to Dendrolycopodium obscurum which overlaps with D. hickeyi in range. While D. obscurum has reduced leaves on the underside of the branches, D. hickeyi has leaves of equal length around the branches [6] [8] [7] (as reflected by its former name, Lycopodium obscurum var. isophyllum: [9] [10] iso-[“equal”] + -phyllum [“leaf”]).
Prunus pensylvanica grows as a shrub or small tree, usually with a straight trunk and a narrow, round-topped crown. It grows 5–15 metres (16–49 feet) tall and 10–51 centimetres (4–20 inches) in diameter.
Pennsylvania's DCNR puts out weekly fall foliage reports from late September through early November. See what the first has to stay about leaf color. ... supports 134 species of trees and many ...
The leaves were similar to those of a fir in some species and similar to those of Pinus roxburghii in others, though in general the leaves of Lepidodendron species are indistinguishable from those of Sigillaria species. The decurrent leaves formed a cylindrical shell around branches. The leaves were only present on thin and young branches ...
In 1993 The North American Native Plant Society purchased Shining Tree Woods to preserve a stand of Magnolia acuminata, which is also known as "The Shining Tree". The leaves are deciduous , simple and alternate, oval to oblong, 12–25 centimetres (4.7–9.8 in) long and 6–12 centimetres (2.4–4.7 in) wide, with smooth margins and downy on ...
Tsuga canadensis, also known as eastern hemlock, [3] eastern hemlock-spruce, [4] or Canadian hemlock, and in the French-speaking regions of Canada as pruche du Canada, is a coniferous tree native to eastern North America. It is the state tree of Pennsylvania. [5]