Table 3.

Taxa and nursery supplier of elms planted in the U.S. National Elm Trial 2005–2015.

Cultivar name	Trademarked or registered name	Parentage	Originator^{^z}	Supplier^{^y}
‘Lewis & Clark’^{^x}	Prairie Expedition	U. americana	NDSU	LN
‘New Harmony’^{^x}		U. americana	USDA	PN & SNA
‘Princeton’x		U. americana	PN	PN & SNA
‘Valley Forge’^{^x}		U. americana	USDA	JFS
‘Frontier’^{^x}		U. carpinifolia × U. parvifolia	USDA	JFS
‘Morton Stalwart’^{^w}	Commendation	U. carpinifolia × U. pumila × U. wilsoniana	MA	JFS
‘Pioneer’		U. glabra × U. carpinifolia	USDA	JFS
‘Homestead’^{^x}		U. glabra × U. carpinifolia × U. pumila	USDA	JFS
‘Patriot’^{^x}		(U. glabra × U. carpinifolia × U. pumila) × U. wilsoniana	USDA	JFS
‘Morton’^{^w}	Accolade	U. japonica × U. wilsoniana	MA	JFS
‘Morton Red Tip’^{^w}	Danada Charm	U. japonica × U. wilsoniana	MA	JFS
‘Emer I’^{^x}	Athena Classic	U. parvifolia	UGA	BSN
‘Emer II’^{^v}	Allee	U. parvifolia	UGA	JFS
‘BSNUPF’^{^x}	Everclear	U. parvifolia	BSN	BSN
‘JFS-Bieberich’^{^w}	Emerald Sunshine	U. propinqua	SNA	JFS
‘Morton Plainsman’^{^w}	Vanguard	U. pumila × U. japonica	MA	JFS
‘New Horizon’^{^w}		U. pumila × U. japonica	UW	JFS
‘Morton Glossy’^{^w}	Triumph	U. pumila × U. japonica × U. wilsoniana	MA	JFS
‘Prospector’^{^x}		U. wilsoniana	USDA	JFS

↵^z Organization responsible for discovery: MA = The Morton Arboretum; BSN = Bold Spring Nursery Inc.; USDA = United States Department of Agriculture; UW = University of Wisconsin; SNA = Sunshine Nursery & Arboretum; UGA = University of Georgia; PN = Princeton Nurseries; NDSU = North Dakota State University.
↵^y Nursery that provided bare-root plants for National Elm Trial: JFS = J. Frank Schmidt & Son Co.; BSN = Bold Springs Nursery Inc.; PN = Princeton Nurseries; LN = Lee Nursery Inc.; SNA = Container grown, Sunshine Nursery & Arboretum, KS only.
↵^x Own-root rooted cutting.
↵^w Budded to U. pumila (Siberian elm) rootstock.
↵^v Own-root tissue culture.