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About: Ulmus americana 'Lewis & Clark'     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : dbo:Plant, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: ThingEukaryoteCultivarEmbryophyteeukaryotespeciescultivar (cultivated variety)plant New Facet based on Instances of this Class

The American elm cultivar Ulmus americana 'Lewis & Clark' (trade name Prairie Expedition) is a development from the North Dakota State University (NDSU) Research Foundation breeding programme, released in 2004 to commemorate the 200th anniversary of the eponymous expedition. The cultivar was cloned from a tree discovered in 1994 along the Wild Rice River south west of Fargo, North Dakota, where all those around it had succumbed to Dutch elm disease; the tree remains in perfect health (2008). Prairie Expedition proved only moderately successful in the US National Elm Trial, averaging a survival rate of 62.6% overall, potentially due to environmental factors rather than susceptibility to Dutch elm disease.