Complex sentence: Fireweed is used as a sweetener in northwestern North America; it is put in candies, jellies ice cream, syrup and other treats, as well as in "sxusem" ("Indian ice-cream").
Split into simpler sentences: Fireweed is used as a sweetener in northwestern North America. It is put in candy, jellies, ice cream, syrup, and "sxusem" ("Indian ice cream").