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Since the 1950s and early 1960s, 90% of Kentucky bluegrass seed in the United States has been produced on specialist farms in Idaho, Oregon and Washington. During the 1990s [citation needed] botanists began experimenting with hybrids of Poa pratensis and Texas bluegrass (P. arachnifera), with the goal of creating a drought and heat-resistant ...
The name "Kentucky" likely comes from the word for "meadow lands" in Iroquoian, but has several other possible origins. [citation needed] Europeans adopted the name to apply to the state. "Bluegrass" is a common name given in the United States for grass of the Poa genus, the most famous being the Kentucky bluegrass. [7]
These species, commonly called zoysia or zoysiagrass, are found in coastal areas or grasslands. [5] It is a popular choice for fairways and teeing areas at golf courses. The genus is named after the Slovenian botanist Karl von Zois (1756–1799).
Map of wood-filled areas in the United States, c. 2000 [1] In the United States , the forest cover by state and territory is estimated from tree-attributes using the basic statistics reported by the Forest Inventory and Analysis (FIA) program of the Forest Service . [ 2 ]
Kentucky bluegrass (Poa pratensis) is the most extensively used cool-season grass used in lawns, sports fields, and golf courses in the United States. [14] Annual bluegrass ( Poa annua ) can sometimes be considered a weed.
Small Trees (Full Sun), 15 to 25 Feet Tall American Fringetree ( Chionanthus virginicus ), USDA zones 3 to 8 Star Magnolia ( Magnolia stellata ), USDA zones 5 to 9
Wind-blown grass in the Valles Caldera in New Mexico, United States. Grasses are the dominant vegetation in many habitats, including grassland, salt-marsh, reedswamp and steppes. They also occur as a smaller part of the vegetation in almost every other terrestrial habitat. [citation needed] Grass-dominated biomes are called grasslands.
Parkinsonia florida: 1954 [5] [6] Arkansas: Loblolly pine: Pinus taeda: 1939 [7] California: Coast redwood: Sequoia sempervirens: 1937 [8] [9] Giant sequoia: Sequoiadendron giganteum: Colorado: Colorado blue spruce: Picea pungens: 1939 [10] Connecticut: White oak (See also: Charter Oak) Quercus alba: 1947 [11] Delaware: American holly: Ilex ...