Federal Noxious Weeds list

-Color denotes a tree that is rare or endangered

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State Noxious Weed Species

Federal Noxious Weed Lists

Noxious Weed Seeds:

None currently listed at this time (January 2013)

Invasive tree species managed under the Plant Protections Act are as follows:

Rhamnus spp.- buckthorn, all species Host materials of pathogen, Phytophthora ramorum (organism

causing Sudden Oak Death)

United States

The United States has two designations for noxious weed status, quarantined and noxious weed, which

are set by USDA regulations. The USDA Animal Plant Health and Inspection Service (APHIS) Plant

Protection and Quarantine (PPQ) is responsible for the protection of agriculture and natural resources

from the entry, establishment, and spread of animal and plant pests and noxious weeds into the United

States of America. They also work with the National Identification Services (NIS) to identify potential

plant pests in support of USDA’s regulatory programs. See reference links for more information about

these departments and services.

Quarantined species:

There are no trees currently under US quarantine status.

Noxious Weeds:

Melaleuca quinquenervia- Punktree, Melaleuca Non-native

Prosopis farcta- Syrian mesquite Non-native

Prosopis pallida, Kiawe Non-native

Prosopis velutina- Velvet mesquite Native

Solanum tampicense- Scrambling nightshade, Wetland nightshade Non-native

Solanum torvum- Turkey berry Non-native

Canada

Canada has both the Seed Act of 1985 which deals with

noxious weeds and seeds, and the Plants Protection Act,

which deals with the import of plants from places outside

the continental US, among other things.

According to the Canandian Food Inspection Agency,

invasive plants regulated under the Seeds Act are listed in

the Weed Seeds Order, 2005. Tree species are as follows:

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