2022 all states noxious weed seeds

New Mexico Department of Agriculture releases updated noxious weed list

LAS CRUCES – The New Mexico Department of Agriculture (NMDA) released an updated state noxious weed list, replacing the 2016 list.

Petitions to add new plant species to the state noxious weed list were solicited and received by NMDA from Cooperative Weed Management Areas, individuals, agencies and organizations. The New Mexico Weed List Advisory Committee reviewed the petitions using ecological, distribution, impact and legal status criteria within the state of New Mexico and adjoining states.

Noxious Weed-Hoary cress
The New Mexico Department of Agriculture released an updated state noxious weed list in June 2020. Hoary cress (Cardaria spp.) is a Class A species, which are currently not present in New Mexico or have limited distribution. Preventing new infestations of these species and eradicating existing infestations is the highest priority. (Photo courtesy New Mexico Department of Agriculture)

New Mexico Secretary of Agriculture Jeff Witte said he is appreciative of those that contributed to this effort.

“Thank you to the Cooperative Weed Management Areas, individuals, agencies and organizations who participated in the process of updating this list,” said Witte. “This effort helps us stay vigilant against potential threats to New Mexico’s environment or economy.”

As required by the Noxious Weed Management Act of 1998, the plant species on the New Mexico Noxious Weed List are designated as noxious weeds to be targeted for control or eradication.

Noxious Weed- Yellow starthistle
The New Mexico Department of Agriculture released an updated state noxious weed list in June 2020. Yellow starthistle (Centaurea solstitialis) is a Class A species, which are currently not present in New Mexico or have limited distribution. Preventing new infestations of these species and eradicating existing infestations is the highest priority. (Photo courtesy New Mexico Department of Agriculture)

The list includes:

  • Class A species, which are currently not present in New Mexico or have limited distribution. Preventing new infestations of these species and eradicating existing infestations is the highest priority.
  • Class B species, which are limited to portions of the state. In areas with severe infestations, management should be designed to contain the infestation and stop any further spread.
  • Class C species, which are widespread in the state. Management decisions for these species should be determined at the local level, based on feasibility of control and level of infestation.
  • Watch List species, which are species of concern in the state. These species have the potential to become problematic. More data is needed to determine if these species should be listed. When these species are encountered, individuals should document their location and contact their local Soil and Water Conservation District or County Extension Office.
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The list does not include every plant species with the potential to negatively impact the state’s environment or economy. Landowners and land managers are encouraged to recognize plant species listed on the federal noxious weed list and other western states’ noxious weed lists as potentially having negative impacts and to manage them accordingly.

Virginia Law

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Virginia Administrative Code
Title 2. Agriculture
Agency 5. Department of Agriculture And Consumer Services
Chapter 390. Rules and Regulations for the Enforcement of the Virginia Seed Law

2VAC5-390-20. Noxious weed seeds.

Noxious weed seeds as defined in the Virginia Seed Law, Article 1 (§ 3.2-4000 et seq.) of Chapter 40 of Title 3.2 of the Code of Virginia are divided into two classes:

A. Prohibited noxious weed seeds are:

Balloonvine – Cardiospermum halicacabum

Canada thistle – Cirsium arvens

Field Bindweed – Convolvulus arvensis

Johnsongrass, Sorgrass and, Sorghum almum, and hybrids derived therefrom – Sorghum spp. – Perennial

Plumeless thistles, which includes Musk thistle, and Curled thistle – Carduus spp.

Quackgrass – Agropyron repens

Serrated tussock – Nassella trichotoma

Sicklepod – Cassia tora

B. Restricted noxious weed seeds are:

1. Restricted noxious weed seeds for agricultural and vegetable seed, except for lawn and turf seed and mixtures thereof, shall be prohibited from sale for seeding purposes if the number per ounce or per pound of such noxious weed seed found exceeds the limitations allowed for each. Such weed seeds and limitations shall be:

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Wild onion bulblets and wild garlic bulblets – Allium spp.

5 per ounce or 80 per pound for orchardgrass; 2 per ounce or 32 per pound for other kinds

Dodder – Cuscuta spp.

4 per ounce or 64 per pound

Wild mustard – Brassica spp. – includes species when incidentally occurring in agricultural seed, provided that species listed in 2VAC5-390-50 and 2VAC5-390-90 may be sold as such when labeled as required.

5 per ounce all or 80 per pound

Giant foxtail – Setaria faberi

4 per ounce or 64 per pound

Radish – Raphanus spp.

1 per ounce or 16 per pound

2. Restricted noxious weed seeds for lawn and turf seed and mixtures thereof. Those kinds listed below shall be restricted noxious weed seeds and shall be declared on the label under the heading “Noxious weed seeds” or “Undesirable grass seed” according to § 3.2-4008 J 5 when present in bentgrasses, Kentrucky bluegrass, chewings fescue, red fescue, hard fescue, varieties of perennial ryegrass, varieties of named turf type tall fescue, and/or mixtures containing these grasses. Such weed seeds are:

**Bentgrasses (creeping, colonial, velvet)

**Bermudagrass, Giant bermudagrass

**May be included as a labeled component of a mixture when in excess of 5.0% of the whole.

NOTE – EXEMPTIONS – This chapter does not apply to restricted noxious weed seeds in grasses or mixtures clearly labeled for pasture, forage, hay, or spoilbank reclamation usage.

§ 3.2-4001 of the Code of Virginia.

Derived from VR115-04-09 § 2, eff. November 13, 1985; amended, Virginia Register Volume 2, Issue 4, eff. December 24, 1985; Volume 2, Issue 17, eff. June 25, 1986; Volume 3, Issue 1, eff. November 12, 1986; Volume 7, Issue 7, eff. January 31, 1991; Volume 25, Issue 11, eff. March 4, 2009; Errata, 25:13 VA.R. 2566 March 2, 2009.

Website addresses provided in the Virginia Administrative Code to documents incorporated by reference are for the reader’s convenience only, may not necessarily be active or current, and should not be relied upon. To ensure the information incorporated by reference is accurate, the reader is encouraged to use the source document described in the regulation.

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As a service to the public, the Virginia Administrative Code is provided online by the Virginia General Assembly. We are unable to answer legal questions or respond to requests for legal advice, including application of law to specific fact. To understand and protect your legal rights, you should consult an attorney.

Prohibited and Restricted Noxious Weed Seeds

Michigan law regulates the sale, advertising, or transport of certain noxious weeds. Noxious weed seeds are generally considered to be serious nuisances or economically detrimental and are divided into two categories. Prohibited noxious weed seed cannot be sold or transported in the state. Restricted noxious weed seeds are only permitted when strict limits on the percentage or number of such seeds found in any lot of seed are observed.

The various Acts and Regulations that pertain to the sale or transport of seed consisting of or containing noxious weeds are summarized below:

A complete list of the prohibited and restricted noxious weed seeds covered by Regulation 715 follows:

The number of restricted noxious weed seeds that may be found in any particular lot of seed is limited to 1 seed of any or all of the restricted noxious weed seeds to 2,000 seeds of the seed sold, offered, exposed, or transported for sale, except that for buckhorn and yellow rocket, the limit shall be 1 seed to 1,000 seeds of the seed sold, offered, exposed, or transported for sale.

If present in a lesser ratio, the seed consisting of or containing the restricted noxious weeds may be sold, provided that the name of the restricted noxious weed(s) must be named on the tag together with the number of the restricted weed seeds per pound, unless they are buckhorn or yellow rocket. If the restricted noxious weeds are either of these, they need not be shown on the tag unless they exceed 90 seeds per pound.