Evaluation Process

Plant species are evaluated through an extensive risk assessment process. Each risk assessment is reviewed by all members of the Noxious Weed Advisory Committee. Completed risk assessments can be found at the Minnesota Invasive Species Advisory Council.

Species to be evaluated in 2024

  • Acalypha australis, Asian copperleaf
  • Cirsium arvense, Canada thistle (currently listed as Prohibited Control, this is an update)
  • Elaeagnus umbellate, autumn olive
  • Elaeagnus angustifolia, Russian olive
  • Euonymus alatus cultivar/s, winged burning bush cultivar/s (currently listed as Restricted, this evaluation is for potential exemption/s of seedless/low fecundity cultivar/s)
  • Filipendula ulmaria, queen of the meadow
  • Lamium galeobdolon, Lamiastrum galeobdolon, yellow archangel
  • Microstegium vimineum, stiltgrass, eulalia
  • Salix matsudana x alba, fast-growing hybrid willow, goldencurls, Austree
  • Salix x fragilis (S. alba x S. euxina), white crack willow, hybrid crack willow
  • Sorbus aucuparia, European mountain ash

Recommendations to be submitted to the Commissioner of Agriculture based upon evaluations completed in 2023

Restricted Noxious Weed

  • Alopecurus arundinaceus, creeping meadow foxtail
  • Petasites hybridus, common butterbur
  • Petasites japonicus, giant butterbur

Do Not List

  • Metaplexis japonica, rough potato
  • Rubus parvifolius, small leaf bramble (not to be confused with thimbleberry, R. parviflorus)
  • Sorbaria sorbifolia, false spirea
  • Vinca minor, periwinkle