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Temperate deciduous forests are characterized by a variety of temperate deciduous tree species that vary based on region. [6] Most tree species present in temperate deciduous forests are broadleaf trees that lose their leaves in the fall, [8] though some coniferous trees such as pines (Pinus) are present in northern temperate deciduous forests. [6]
U.S. Endangered Species List: Flora—plants Species Search at U.S. Fish & Wildlife Service Electronic Code of Federal Regulations: "List of endangered species"
The region is also home to the only two endangered lichen species, rock gnome lichen and Florida perforate reindeer lichen. [10] [11] Piping plover, Charadrius melodus. The piping plover is a bird that has been on the endangered species list since 1985 in the Great Lakes watershed (including: NY, PA, IL, MI, and WI.)
This forest type is considered the northern extension of the mixed mesophytic deciduous forest. The four dominant canopy species of the hemlock-northern hardwood forests are sugar maple ( Acer saccharum ), beech ( Fagus grandifolia ), yellow birch ( Betula alleghaniensis ) and hemlock ( Tsuga canadensis ).
An even higher risk is faced by critically endangered species, which meet the quantitative criteria for endangered species. Critically endangered plants are listed separately. There are 6147 plant species which are endangered or critically endangered. Additionally 1674 plant species (7.6% of those evaluated) are listed as data deficient ...
The World's 100 most threatened species [1] is a compilation of the most threatened animals, plants, and fungi in the world. It was the result of a collaboration between over 8,000 scientists from the International Union for Conservation of Nature Species Survival Commission (IUCN SSC), along with the Zoological Society of London . [ 2 ]
In terms of biodiversity, the only comparable temperate deciduous forest regions in the world are in central China, Japan, and in the Caucasus Mountains.Both the Appalachians (along with the neighbouring Appalachian mixed mesophytic forests ecoregion) and central China contain relict habitats of an ancient forest that was once widespread over the Northern Hemisphere.
The forests are a part of the temperate deciduous forest that extends from Florida north to eastern Canada. [13] The mixed plains ecozone has the highest plant diversity in Canada, with the Lake Erie lowland having trees species that occur nowhere else in Canada.