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Introduced and invasive species of trees include: Aceraceae (Maples) Acer ginnala (Amur maple) Acer platanoides (Norway maple) Fabaceae Robinia pseudoacacia (black locust) Rhamnaceae Frangula alnus (glossy buckthorn, alder buckthorn) Rhamnus cathartica (common buckthorn) Hippocastanaceae (buckeye and horsechestnut) Aesculus glabra (Ohio buckeye)
Silvics of North America (1991), [2] [3] a forest inventory compiled and published by the United States Forest Service, includes many hardwood trees. [ a ] It superseded Silvics of Forest Trees of the United States (1965), which was the first extensive American tree inventory. [ 6 ]
Pinus banksiana (jack pine; native); Pinus resinosa (red pine, Norway pine; native); Pinus strobus (white pine; native); Pinus sylvestris (Scots pine; introduced from Eurasia); Picea abies (Norway spruce; introduced from Eurasia)
Bead-tree, white cedar, Persian lilac (Melia azedarach) Maple (Acer) Hard maple Sugar maple (Acer saccharum) Black maple (Acer nigrum) Soft maple Boxelder (Acer negundo) Red maple (Acer rubrum) Silver maple (Acer saccharinum) European maple Sycamore maple (Acer pseudoplatanus) Marblewood (Marmaroxylon racemosum) Marri, red gum (Corymbia calophylla)
The dominant trees are American elm, basswood, sugar maple, and red oak. The understory is composed of ironwood, green ash, and aspen. The Big Woods would have once covered 5,000 square miles (13,000 km 2) in a diagonal strip 100 miles (160 km) long and 40 miles (64 km) wide. Today most of this region has been cleared for agriculture and urban ...
The Richard J. Dorer Memorial Hardwood State Forest is a 1,016,204 acres (4,112.43 km 2) reserve of current and former forest in Minnesota's Driftless Area.Only 45,000 acres (180 km 2) of the land is state owned, with the remainder owned by private individuals and community groups, governed by easements.
Hardwoods [7] Identifying wood holds significance across several domains and is of critical importance for commercial, forensic, archaeological, and paleontological applications. Also, timber identification provides new tools needed for the tracking of illegal logging and transportation. [ 8 ]