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- Ulmus_americana_Jefferson abstract "The American Elm cultivar Ulmus americana 'Jefferson' was cloned from a tree that grows along the National Mall in Washington D. C. [1]. Planted in the 1930s, it remains (2013) unscathed by Dutch elm disease, and was cloned (NPS 3487) by the U. S. National Park Service, which released it as 'Jefferson' in 2004. Early studies on this clone indicated triploid chromosome levels, suggesting it may be a hybrid between the tetraploid American Elm and a diploid species. A genetic study performed by the United States National Arboretum in 2004 confirmed the tree as Ulmus americana, despite its atypical features.[2] A later study by the USDA's Agricultural Research Service confirmed the tree as a triploid, but derived from a crossing of two American Elms, one a tetraploid, the other a rarer diploid.".
- Ulmus_americana_Jefferson origin National_Park_Service.
- Ulmus_americana_Jefferson origin United_States.
- Ulmus_americana_Jefferson thumbnail Jefferson-Washington-James-L-Sherald-300x202.jpg?width=300.
- Ulmus_americana_Jefferson wikiPageExternalLink elm.htm.
- Ulmus_americana_Jefferson wikiPageExternalLink au100.cfm.
- Ulmus_americana_Jefferson wikiPageExternalLink 0022-0493%282001%29094%5B0445%3APOTCEU%5D2.0.CO%3B2.
- Ulmus_americana_Jefferson wikiPageExternalLink JeffersonElm8.htm.
- Ulmus_americana_Jefferson wikiPageExternalLink 2005-02.htm.
- Ulmus_americana_Jefferson wikiPageExternalLink jeh905.pdf.
- Ulmus_americana_Jefferson wikiPageExternalLink elms.htm.
- Ulmus_americana_Jefferson wikiPageExternalLink survey.htm.
- Ulmus_americana_Jefferson wikiPageExternalLink index.htm.
- Ulmus_americana_Jefferson wikiPageID "7969482".
- Ulmus_americana_Jefferson wikiPageLength "5123".
- Ulmus_americana_Jefferson wikiPageOutDegree "29".
- Ulmus_americana_Jefferson wikiPageRevisionID "672478529".
- Ulmus_americana_Jefferson wikiPageWikiLink Agricultural_Research_Service.
- Ulmus_americana_Jefferson wikiPageWikiLink American_Elm.
- Ulmus_americana_Jefferson wikiPageWikiLink Category:Elm_cultivars.
- Ulmus_americana_Jefferson wikiPageWikiLink Colorado_State_University.
- Ulmus_americana_Jefferson wikiPageWikiLink Cultivar.
- Ulmus_americana_Jefferson wikiPageWikiLink Dutch_elm_disease.
- Ulmus_americana_Jefferson wikiPageWikiLink Elm_Yellows.
- Ulmus_americana_Jefferson wikiPageWikiLink Elm_leaf_beetle.
- Ulmus_americana_Jefferson wikiPageWikiLink Elm_yellows.
- Ulmus_americana_Jefferson wikiPageWikiLink Grange_Farm_Arboretum.
- Ulmus_americana_Jefferson wikiPageWikiLink Japanese_beetle.
- Ulmus_americana_Jefferson wikiPageWikiLink Lincolnshire.
- Ulmus_americana_Jefferson wikiPageWikiLink Longwood_Gardens.
- Ulmus_americana_Jefferson wikiPageWikiLink National_Elm_Trial.
- Ulmus_americana_Jefferson wikiPageWikiLink National_Mall.
- Ulmus_americana_Jefferson wikiPageWikiLink National_Park_Service.
- Ulmus_americana_Jefferson wikiPageWikiLink Popillia_japonica.
- Ulmus_americana_Jefferson wikiPageWikiLink Spalding,_Lincolnshire.
- Ulmus_americana_Jefferson wikiPageWikiLink Sutton_St_James.
- Ulmus_americana_Jefferson wikiPageWikiLink UK.
- Ulmus_americana_Jefferson wikiPageWikiLink USA.
- Ulmus_americana_Jefferson wikiPageWikiLink Ulmus_americana.
- Ulmus_americana_Jefferson wikiPageWikiLink United_Kingdom.
- Ulmus_americana_Jefferson wikiPageWikiLink United_States.
- Ulmus_americana_Jefferson wikiPageWikiLink United_States_Department_of_Agriculture.
- Ulmus_americana_Jefferson wikiPageWikiLink United_States_National_Arboretum.
- Ulmus_americana_Jefferson wikiPageWikiLink Verticillium_wilt.
- Ulmus_americana_Jefferson wikiPageWikiLink Washington,_D.C..
- Ulmus_americana_Jefferson wikiPageWikiLink Washington_D.C..
- Ulmus_americana_Jefferson wikiPageWikiLink Washington_D._C..
- Ulmus_americana_Jefferson wikiPageWikiLink Xanthogaleruca_luteola.
- Ulmus_americana_Jefferson wikiPageWikiLink File:20061002_d-0312-1-515h.jpg.
- Ulmus_americana_Jefferson wikiPageWikiLinkText "'Jefferson' Elm".
- Ulmus_americana_Jefferson wikiPageWikiLinkText "'Jefferson'".
- Ulmus_americana_Jefferson wikiPageWikiLinkText "Jefferson".
- Ulmus_americana_Jefferson wikiPageWikiLinkText "Ulmus americana 'Jefferson'".
- Ulmus_americana_Jefferson cultivar "'Jefferson'".
- Ulmus_americana_Jefferson hasPhotoCollection Ulmus_americana_Jefferson.
- Ulmus_americana_Jefferson imageCaption "'Jefferson' elm in The Mall, Washington D. C.".
- Ulmus_americana_Jefferson name "Ulmus americana".
- Ulmus_americana_Jefferson origin "National Park Service, USA".
- Ulmus_americana_Jefferson wikiPageUsesTemplate Template:Infobox_Cultivar.
- Ulmus_americana_Jefferson wikiPageUsesTemplate Template:Reflist.
- Ulmus_americana_Jefferson subject Category:Elm_cultivars.
- Ulmus_americana_Jefferson type CultivatedVariety.
- Ulmus_americana_Jefferson type Eukaryote.
- Ulmus_americana_Jefferson type Plant.
- Ulmus_americana_Jefferson type Species.
- Ulmus_americana_Jefferson type Thing.
- Ulmus_americana_Jefferson type Q19088.
- Ulmus_americana_Jefferson type Q4886.
- Ulmus_americana_Jefferson type Q756.
- Ulmus_americana_Jefferson comment "The American Elm cultivar Ulmus americana 'Jefferson' was cloned from a tree that grows along the National Mall in Washington D. C. [1]. Planted in the 1930s, it remains (2013) unscathed by Dutch elm disease, and was cloned (NPS 3487) by the U. S. National Park Service, which released it as 'Jefferson' in 2004. Early studies on this clone indicated triploid chromosome levels, suggesting it may be a hybrid between the tetraploid American Elm and a diploid species.".
- Ulmus_americana_Jefferson label "Ulmus americana 'Jefferson'".
- Ulmus_americana_Jefferson sameAs m.026lwzy.
- Ulmus_americana_Jefferson sameAs Q7879389.
- Ulmus_americana_Jefferson sameAs Q7879389.
- Ulmus_americana_Jefferson wasDerivedFrom Ulmus_americana_Jeffersonoldid=672478529.
- Ulmus_americana_Jefferson depiction Jefferson-Washington-James-L-Sherald-300x202.jpg.
- Ulmus_americana_Jefferson isPrimaryTopicOf Ulmus_americana_Jefferson.
- Ulmus_americana_Jefferson name "Ulmus americana".