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Progress in Essential Oils
By: Brian M. Lawrence
Posted: January 30, 2014, from the February 2014 issue of P&F magazine.
Acorus calamus L. (also known as sweet flag) is a perennial, aromatic herb, one form of which is native to marshy regions in northern temperature zones of Europe, where it grows wild along the banks of rivers and ponds, as well as along the edges of swamps.
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