Salix sepulcralis group Salix sepulcralis group The "Salix sepulcralis" group is a cultivar group containing all cultivars of hybrids between "Salix alba" and "Salix babylonica". The "sepulcralis" or × "sepulcralis" trees are sometimes referred to as white weeping willow or glaucous weeping willow in reference to the mixed appearance from the parent species. It was first described by L. Simonkai in 1890 from trees growing in Romania. The group contains both weeping and nonweeping cultivars, though the best-known of its cultivars is 'Chrysocoma', the most widely grown weeping tree.. Some of the cultivars are hybrids of "S. babylonica" var. "matsudana" 'Tortuosa' and have
Phyllonorycter salicifoliella Phyllonorycter salicifoliella Phyllonorycter salicifoliella is a moth of the Gracillariidae family. It is widespread across North America, from Mississippi to Ontario in the east and from southern California to northern British Columbia in the west. The length of the forewings is 3–4 mm. Adults are on wing from July to mid-August and again from late August to November in two generations. The larvae mostly feed on "Salix" species, including "Salix alba", "Salix amygdaloides", "Salix babylonica", "Salix bebbiana", "Salix bonplandiana", "Salix caroliniana", "Salix eriocephala", "Salix lasiolepis", Salix "longifolia", "Salix lutea", "Salix monticola", "Salix purpurea", "Salix x rubens" ("Salix alba" x "Salix