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Most of North America's notable elms are Ulmus americana, ... East of Liberal Arts Building, University of Iowa, Iowa City, Johnson County: 194 inches (490 cm)
Ulmus americana, generally known as the American elm or, less commonly, as the white elm or water elm, [a] is a species of elm native to eastern North America. The trees can live for several hundred years. It is a very hardy species that can withstand low winter temperatures, but it is affected by Dutch elm disease .
Website. uiowa .edu. The University of Iowa ( UI, U of I, UIowa, or simply Iowa [7]) is a public research university in Iowa City, Iowa, United States. Founded in 1847, it is the oldest university in the state. The University of Iowa is organized into 12 colleges offering more than 200 areas of study and seven professional degrees.
Elms are deciduous and semi-deciduous trees comprising the genus Ulmus in the family Ulmaceae. They are distributed over most of the Northern Hemisphere, inhabiting the temperate and tropical - montane regions of North America and Eurasia, presently ranging southward in the Middle East to Lebanon and Israel, [1] and across the Equator in the ...
The American Elm cultivar Ulmus americana ' Valley Forge' was raised by the Agricultural Research Service in Maryland. The tree was released to wholesale nurseries without patent restrictions by the U. S. National Arboretum in 1995 after proving to have a high resistance to Dutch elm disease. 'Valley Forge' proved only moderately successful in ...
The field elm ( Ulmus minor) cultivar 'Atinia' , [1] commonly known as the English elm, formerly common elm and horse may, [2] and more lately the Atinian elm, [3] was, before the spread of Dutch elm disease, the most common field elm in central southern England, though not native there, and one of the largest and fastest-growing deciduous ...
Origin. Iowa State University, US. The American Elm cultivar Ulmus americana ' Iowa State' was cloned in the 1980s from a tree discovered by Professor Alexander (Sandy) McNabb of Iowa State University as the sole survivor in 40 acres (16 ha) of diseased elm at Burlington. [1]
National Elm Trial. The National Elm Trial was an American volunteer effort to evaluate a range of newly developed elm cultivars as replacements for elms destroyed by Dutch elm disease. The Colorado State University College of Agricultural Sciences coordinated the trial.
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