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ACCESSIONPLANT NAMETAXONOMYORIGINGENEBANKIMAGEAVAILABILITYRECEIVEDSOURCE TYPESOURCE DATECOLLECTION SITECOORDINATESELEVATIONHABITATIMPROVEMENT LEVELNARRATIVE
0PI 341755'Commelin'Ulmus ×hollandica Mill. NetherlandsNC7SEED1969DONATED03/20/1969CultivarCrown narrow at first, later widening, branches ascending. Leaves small and dark. Twigs red brown. Growth rapid. Resistance good.1254937PI 341755
1PI 313550'Christine Buisman'Ulmus minor Mill. NetherlandsNC71966COLLECTEDCultivarTree uniform, very erect, medium leafy, much branched. Excellent winter hardiness and spring vigor.1234072PI 313550
2PI 313551'Belgica'Ulmus ×hollandica Mill. BelgiumNC7SEED1966COLLECTEDCultivarTree uniform, very erect. Branches many, alternating in 2 opposite rows. Excellent winter hardiness and spring vigor. Susceptible to Dutch elm disease.1234073PI 313551
3PI 304257Duplicate of PI 341755Ulmus ×hollandica Mill. Netherlands Historic1965COLLECTED04/1963Rehd X 1. Excellent vigor, much branched, leaves large, folded at midrib, glossy. Resistant to Dutch elm fungus. (No. 1 is said to be U. carpinifolia X U. plotii sensu Rehder from France.)1618245PI 304257