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Section: Tonnage Surveys
2011 - 2017 Tonnage Survey of Select North American Wild-Harvested Plants
The American Herbal Products Association (AHPA) conducted quantitative surveys to estimate annual harvests of certain Native North American herbs in commerce; survey data from harvests in each of the seven years from 2011 to 2017 are reported here.
by:
3/30/2017
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2006–2010 Tonnage Survey of Select North American Wild-Harvested Plants
by:
7/10/2010
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2004–2005 Tonnage Survey of Select North American Wild-Harvested Plants
by:
7/13/2005
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2002–2003 Tonnage Survey of Select North American Wild-Harvested Plants
by:
7/1/2003
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2000–2001 Tonnage Survey of Select North American Wild-Harvested Plants
by:
7/1/2001
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1999 Tonnage Survey of Select North American Wild-Harvested Plants
A survey of United States tonnage of botanicals with an analysis prepared by Arthur Andersen Consulting.
by:
1/1/2000
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