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Norway maple, red maple and sugar maple are the species most commonly affected. The trouble often starts after insect-induced defoliation, which weakens the trees and makes them more susceptible to secondary pathogens. Early signs of decline include small or scorched foliage, and premature fall colors on some of a tree's branches.
Acer griseum, the paperbark maple or blood-bark maple, [3] is a species of flowering plant in the family Sapindaceae, native to central China. [4] Acer griseum is found in the Chinese provinces of Gansu , Henan , Hubei , Hunan , Shaanxi , Shanxi and Sichuan , at altitudes of 1,500–2,000 m (4,921–6,562 ft).
Under the Accelerated Cost Recovery System (ACRS), broad groups of assets were assigned based on the old ADR lives (which the IRS has updated since). Taxpayers were permitted to calculate depreciation only under the declining balance method switching to straight line or the straight line method. Other changes applied as well.
Acer negundo, also known as the box elder, boxelder maple, Manitoba maple or ash-leaved maple, is a species of maple native to North America from Canada to Honduras. [3] It is a fast-growing, short-lived tree with opposite, ash-like compound leaves.
Acer macrophyllum, the bigleaf maple [2] or Oregon maple, [3] is a large deciduous tree in the genus Acer. It is native to western North America . In addition to uses by animals, it is of some culinary and woodworking interest.
Acer rubrum, the red maple, also known as swamp maple, water maple, or soft maple, is one of the most common and widespread deciduous trees of eastern and central North America. The U.S. Forest Service recognizes it as the most abundant native tree in eastern North America. [ 4 ]
The striped maple is a small deciduous tree growing to 5–10 meters (16–33 ft) tall, with a trunk up to 20 cm (8 in) in diameter. [3] The shape of the tree is broadly columnar, with a short, forked trunk that divides into arching branches which create an uneven, flat-topped crown .
Acer circinatum, or vine maple, is a species of maple native to northwestern North America.Vine maple typically grows as a low-elevation coastal tree in temperate areas of high precipitation such as the west coast of Oregon and northern California, as well as the temperate rainforests of Washington and British Columbia. [3]