Arnold Arboretum
AA 7235S. alba var tristis
AA 17950S. alba var tristis
AA 2654-5S. alba var tristis
AA 13-46S. x blanda
AA 386-62S. x blanda
AA 19-64S. elegantissima
AA 719-71S. elegantissima
AA 178-63S. x sepulcralis
Morton Arboretum
MA 0183-53S. alba ‘Tristis’
(MA 0830-55) MA 0128-44S. alba ‘Tristis’
(MA 0261-59) MA 0463-48S. babylonica
MA 0716-58S. babylonica
MA 0564-23S. blanda Niobe’
MA 0055-61S. x elegantissima
MA 0068-61S. x sepulcralis
National Arboretum
NA 43995S. alba’Tristis’
NA 46452S x blanda ‘Niobe’
NA 60127S. x blanda ‘Niobe’
NA 8929S. x chrysocoma
University of Minnesota
∪M 580495S. alba ‘Tristis’
UM 660586S. babylonica
UM 600376s. x blanda
UM 660585S. x blanda