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Status of Invasive Plants in North Dakota

Total number of exotic species reported: 244

Total number of records in EDDMapS: 15305


Invasive Plants by Category

  • Aquatic - 7 species, 366 records
  • Forbs/Herbs - 161 species, 5640 records
  • Grass or Grasslike - 43 species, 1157 records
  • Hardwood Trees - 11 species, 232 records
  • Shrub or Subshrub - 9 species, 5490 records
  • Vines - 11 species, 521 records

Top Ten Abundant Invasive Plants (by number of reports)

  1. tamarisk - 4729 reports
  2. leafy spurge - 563 reports
  3. Canada thistle - 520 reports
  4. absinth wormwood - 503 reports
  5. field bindweed - 305 reports
  6. musk thistle - 198 reports
  7. spotted knapweed - 175 reports
  8. purple loosestrife - 170 reports
  9. Russian knapweed - 138 reports
  10. yellow toadflax - 112 reports

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

  1. Canada thistle - 53/53 (100%)
  2. musk thistle - 53/53 (100%)
  3. leafy spurge - 53/53 (100%)
  4. absinth wormwood - 53/53 (100%)
  5. perennial sowthistle - 51/53 (96%)
  6. field bindweed - 50/53 (94%)
  7. common yarrow - 49/53 (92%)
  8. quackgrass - 49/53 (92%)
  9. flixweed - 47/53 (89%)
  10. green foxtail - 47/53 (89%)

Counties with the most invasive species reported

  1. Cass County - 227 species
  2. Barnes County - 178 species
  3. Richland County - 172 species
  4. Stutsman County - 154 species
  5. Pembina County - 151 species
  6. Ransom County - 148 species
  7. Grand Forks County - 144 species
  8. Billings County - 140 species
  9. Williams County - 134 species
  10. Stark County - 133 species

Counties with the least invasive species reported

  1. Adams County - 27 species
  2. Towner County - 41 species
  3. Foster County - 45 species
  4. Sioux County - 48 species
  5. Renville County - 49 species
  6. Hettinger County - 50 species
  7. Wells County - 53 species
  8. Traill County - 61 species
  9. Eddy County - 64 species
  10. Pierce County - 65 species

Report created on October 24, 2014 at 07:56 AM by the UGA Center for Invasive Species and Ecosystem Health using EDDMapS Technology and Data.