On Nov 25, 2004, caron from Woodland Park, CO (Zone 4b) wrote:
U.S. FEDERALLY LISTED NOXIOUS WEED.
Not allowed for import to the US and not allowed in any interstate or intrastate transportation without a specific permit from USDA APHIS PPQ (Plant Protection and Quarantine).
No one should be selling/growing this plant in the U.S.