Devil's club is very sensitive to human impact.
The plants are slow growing and they do not
reproduce quickly. A plant may take many years to reach seed bearing maturity.
Devil's club exist predominately in dense, moist,
old growth conifer forests in the Pacific Northwest.
Devil's club is related to American Ginseng. The plant has been harvested for
this purpose and marketed widely as "Alaskan ginseng". This has decreased its population