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
Stigmella salicis a blotch, or if highly contorted with 'S' bends, a false blotch. The larvae feed on "Myrica gale", "Salix alba", "Salix atrocinerea", "Salix aurita", "Salix babylonica", "Salix caprea", "Salix cinerea", "Salix daphnoides", "Salix fragilis", "Salix lanata", "Salix pentandra", "Salix purpurea", "Salix repens", "Salix silesiaca", "Salix triandra" and "Salix viminalis". Mines on the narrow-leaved willows can be difficult to distinguish from those of "S. obliquella". The pupa is in a yellowish-brown cocoon spun in detritus and can be found in July and August, and from November through to April. "S. salicis" is found in Europe (except Iceland and Greece). Stigmella salicis