Status of Invasive Plants in Vermont

Total number of exotic species reported: 426

Total number of records in EDDMapS: 7935


Invasive Plants by Category

  • Aquatic - 15 species, 637 records
  • Conifer Trees - 2 species, 15 records
  • Forbs/Herbs - 265 species, 3719 records
  • Grass or Grasslike - 48 species, 568 records
  • Hardwood Trees - 26 species, 220 records
  • Shrub or Subshrub - 38 species, 1548 records
  • Vines - 21 species, 308 records

Top Ten Abundant Invasive Plants (by number of reports)

  1. European buckthorn - 285 reports
  2. Morrow's honeysuckle - 241 reports
  3. bush honeysuckles (exotic) - 189 reports
  4. glossy buckthorn - 177 reports
  5. Japanese knotweed - 152 reports
  6. Japanese barberry - 148 reports
  7. purple loosestrife - 142 reports
  8. reed canarygrass - 131 reports
  9. coltsfoot - 120 reports
  10. common barberry - 104 reports

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

  1. Canada thistle - 14/14 (100%)
  2. bush honeysuckles (exotic) - 14/14 (100%)
  3. purple loosestrife - 14/14 (100%)
  4. common yarrow - 14/14 (100%)
  5. yellow toadflax - 14/14 (100%)
  6. common St. Johnswort - 14/14 (100%)
  7. orange hawkweed - 14/14 (100%)
  8. smooth brome - 14/14 (100%)
  9. hedge bindweed - 14/14 (100%)
  10. barnyardgrass - 14/14 (100%)

Counties with the most invasive species reported

  1. Chittenden County - 380 species
  2. Rutland County - 322 species
  3. Windham County - 322 species
  4. Windsor County - 315 species
  5. Addison County - 290 species
  6. Caledonia County - 285 species
  7. Bennington County - 274 species
  8. Orange County - 201 species
  9. Washington County - 196 species
  10. Franklin County - 196 species

Counties with the least invasive species reported

  1. Grand Isle County - 137 species
  2. Essex County - 145 species
  3. Lamoille County - 164 species
  4. Orleans County - 191 species
  5. Washington County - 196 species
  6. Franklin County - 196 species
  7. Orange County - 201 species
  8. Bennington County - 274 species
  9. Caledonia County - 285 species
  10. Addison County - 290 species

Report created on April 20, 2014 at 05:00 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