# Wis. Admin. Code NR § 40.03: Classifications

> Wisconsin · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_NR_40_03

## Section

- **Citation:** Wis. Admin. Code NR § 40.03
- **Heading:** Classifications
- **Jurisdiction:** Wisconsin
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Wisconsin Administrative Code / NR / Chapter NR 40 / § NR 40.03

## Text

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.

## Nearby sections

- [Wis. Admin. Code NR § 40.01 Purpose](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_NR_40_01.md)
- [Wis. Admin. Code NR § 40.02 Definitions](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_NR_40_02.md)
- [Wis. Admin. Code NR § 40.03 Classifications](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_NR_40_03.md)
- [Wis. Admin. Code NR § 40.04 Prohibited category](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_NR_40_04.md)
- [Wis. Admin. Code NR § 40.05 Restricted category](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_NR_40_05.md)
- [Wis. Admin. Code NR § 40.06 Invasive species permits](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_NR_40_06.md)
- [Wis. Admin. Code NR § 40.07 Preventive measures](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_NR_40_07.md)
- [Wis. Admin. Code NR § 40.08 Enforcement](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_NR_40_08.md)
- [Wis. Admin. Code NR § 40.09 Interagency coordination](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_NR_40_09.md)
- [Wis. Admin. Code NR § 40.045 Emergency additions to prohibited category](https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_NR_40_045.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/STATE_WI_ADC_NR_40_03. Check the current official text before relying on it. Not legal advice.