This aquatic species a US federally declared noxious weed, which means its importation and transportation are illegal, both interstate an...Read Mored intrastate. It is part of the giant Salvinia species complex.
In addition, 9 states also have prohibitions on its sale or transportation under noxious weed legislation.
It forms mats up to 2' thick on the surfaces of ponds and other bodies of water.
It is easily transported unintentionally on boat hulls and other recreational equipment.
Woodland Park, CO (Zone 4b) | November 2004 | negative
U. S. FEDERALLY LISTED NOXIOUS WEED.
Not allowed for import to the US and not allowed in any interstate or intrastate transportat...Read Moreion without a permit from USDA APHIS PPQ (Plant Protection and Quarantine).
This aquatic species a US federally declared noxious weed, which means its importation and transportation are illegal, both interstate an...Read More
U. S. FEDERALLY LISTED NOXIOUS WEED.
Not allowed for import to the US and not allowed in any interstate or intrastate transportat...Read More