Classifications

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Wisconsin Administrative Code › NR › Chapter NR 40 › § NR 40.03

This text was captured on Aug 14, 2026. It is a snapshot, not a live feed, so check the official code before relying on it.

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Classifications.

(1) Classification categories. For purposes of this chapter, invasive species are classified into the following categories: prohibited and restricted.

(2) Criteria. The department shall consider the following criteria in classifying a nonnative species as an invasive species for the purpose of this chapter:

(a) The species’ potential to directly or indirectly cause economic or environmental harm or harm to human health, including harm to native species, biodiversity, natural scenic beauty and natural ecosystem structure, function or sustainability; harm to the long-term genetic integrity of native species; harm to recreational, commercial, industrial and other uses of natural resources in the state; and harm to the safety or well being of humans, including vulnerable or sensitive individuals.

(b) The extent to which the species is already present in the state, or in portions of the state, including whether there are isolated pioneer stands.

(c) The likelihood that the species, upon introduction, will become established and spread within the state.

(d) The potential for eradicating the species or controlling the species’ spread within the state, including the technological and economic feasibility of eradication or control.

(e) The socio-economic value afforded by the species, including any beneficial uses or values the species may provide for recreation, commerce, agriculture or industry within the state.

This is a copy of a public record, reproduced as it was published. It is not legal advice, and it may not be the version a court would rely on. Check the official source before you cite it.

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