Status of Invasive Plants in Minnesota

Total number of exotic species reported: 394

Total number of records in EDDMapS: 141247


Invasive Plants by Category

  • Aquatic - 13 species, 28538 records
  • Conifer Trees - 2 species, 12 records
  • Forbs/Herbs - 250 species, 55768 records
  • Grass or Grasslike - 45 species, 4880 records
  • Hardwood Trees - 21 species, 1538 records
  • Shrub or Subshrub - 30 species, 11236 records
  • Vines - 20 species, 1058 records

Top Ten Abundant Invasive Plants (by number of reports)

  1. reed canarygrass - 26727 reports
  2. Canada thistle - 10376 reports
  3. spotted knapweed - 7103 reports
  4. European buckthorn - 6597 reports
  5. wild parsnip - 6385 reports
  6. common tansy - 3347 reports
  7. oxeye daisy - 3000 reports
  8. bush honeysuckles (exotic) - 2960 reports
  9. smooth brome - 2817 reports
  10. white sweetclover - 2815 reports

Top Ten Widespread Invasive Plants (by number of positive counties)

  1. Canada thistle - 87/87 (100%)
  2. yellow sweet-clover - 87/87 (100%)
  3. smooth brome - 86/87 (99%)
  4. European buckthorn - 85/87 (98%)
  5. leafy spurge - 85/87 (98%)
  6. reed canarygrass - 85/87 (98%)
  7. western salsify - 85/87 (98%)
  8. bull thistle - 84/87 (97%)
  9. black medic - 83/87 (95%)
  10. lambsquarters - 82/87 (94%)

Counties with the most invasive species reported

  1. St. Louis County - 303 species
  2. Hennepin County - 260 species
  3. Ramsey County - 226 species
  4. Houston County - 220 species
  5. Washington County - 219 species
  6. Clay County - 205 species
  7. Stearns County - 202 species
  8. Winona County - 200 species
  9. Blue Earth County - 199 species
  10. Goodhue County - 197 species

Counties with the least invasive species reported

  1. Red Lake County - 63 species
  2. Rock County - 65 species
  3. Watonwan County - 69 species
  4. Stevens County - 70 species
  5. Grant County - 72 species
  6. Yellow Medicine County - 74 species
  7. Pennington County - 74 species
  8. Meeker County - 75 species
  9. Murray County - 76 species
  10. Cottonwood County - 78 species

Report created on April 20, 2014 at 01:45 AM by the UGA Center for Invasive Species and Ecosystem Health using EDDMapS Technology and Data.



Bugwood Center Developed by The University of Georgia - Center for Invasive Species and Ecosystem Health.
Last updated on Tuesday, December 04, 2012 at 08:59 AM