Salix babylonica but beyond China, it has not generally been as successfully cultivated as some of its hybrid derivatives, being sensitive to late-spring frosts. In the more humid climates of much of Europe and eastern North America, it is susceptible to a canker disease, willow anthracnose ("Marssonina salicicola"), which makes infected trees very short-lived and unsightly. "Salix babylonica" (Babylon willow) has many cultivars, including: Various cultivars of "Salix matsudana" (Chinese willow) are now often included within "Salix babylonica", treated more broadly, including: Yet other weeping willow cultivars are derived from interspecific "Salix" hybrids, including "S. babylonica" in their parentage. The most widely
Salix lucida and Asia. Salix lucida Salix lucida, the shining willow, Pacific willow, or whiplash willow, is a species of willow native to northern and western North America, occurring in wetland habitats. It is a deciduous large shrub or small tree growing to tall. The shoots are greenish-brown to grey-brown. The leaves are narrow elliptic to lanceolate, 4–17 cm long and 1-3.5 cm broad, glossy dark green above, usually glaucous green below, hairless or thinly hairy. The flowers are yellow catkins 1–9 cm long, produced in late spring after the leaves emerge. The subspecies are: It is closely related to "Salix pentandra"