Search results
Results from the WOW.Com Content Network
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”]).
Peak fall foliage is two to three weeks away in most Pennsylvania counties, according to a Sept. 26 report from the state Department of Conservation and Natural Resources.
Single-leaf pinyon: Pinus monophylla: 1959 [36] Great Basin bristlecone pine: Pinus longaeva: 1987 [36] New Hampshire: American white birch: Betula papyrifera: 1947 [37] New Jersey: Northern red oak: Quercus rubra: 1950 [38] New Mexico: Piñon pine: Pinus edulis: 1949 [39] New York: Sugar maple: Acer saccharum: 1956 [40] North Carolina: Pine ...
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]
Parietaria pensylvanica, commonly called Pennsylvania pellitory, is a species of flowering plant in the nettle family.It is native to much of North America including every province in Canada except the Maritimes and Newfoundland and Labrador, Yukon Territory, every state in the United States except Alaska and Hawaii, plus northern Mexico. [1]