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Stickywilly is widely distributed in North America. It occurs in every U.S. state except Hawaii [153]. Stickywilly is present in parts of northern Mexico and in most Canadian provinces [90,165]. The nativity of stickywilly is debated. While most accept this species as native, some consider it nonnative [163,171]. Still others suggest that stickywilly is a native, but that subsequent introductions have occurred as well [90]. In a literature review, it is suggested stickywilly arrived in the fur of animals crossing the Bering Strait into North America [28]. While debate regarding the nativity of stickywilly continues, it is in all likelihood native and is considered native in most literature [25,44,58,143]. For more discussion on the nativity of stickywilly see [62,90].

A distributional map of stickywilly is accessible through Plants database.



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