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Status of Invasive Plants in Virginia

Total number of exotic species reported: 578

Total number of records in EDDMapS: 60172


Invasive Plants by Category

  • Aquatic - 22 species, 1096 records
  • Conifer Trees - 1 species, 2 records
  • Ferns - 1 species, 2 records
  • Forbs/Herbs - 305 species, 20895 records
  • Grass or Grasslike - 86 species, 7326 records
  • Hardwood Trees - 46 species, 3541 records
  • Shrub or Subshrub - 82 species, 5776 records
  • Vines - 35 species, 10741 records

Top Ten Abundant Invasive Plants (by number of reports)

  1. Japanese honeysuckle - 6964 reports
  2. tree-of-heaven - 1350 reports
  3. Japanese stiltgrass - 1032 reports
  4. autumn olive - 894 reports
  5. bush honeysuckles (exotic) - 851 reports
  6. privet - 808 reports
  7. tall fescue - 676 reports
  8. English ivy - 530 reports
  9. garlic mustard - 505 reports
  10. oriental bittersweet - 417 reports

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

  1. Japanese honeysuckle - 103/135 (76%)
  2. common chickweed - 102/135 (76%)
  3. common mullein - 101/135 (75%)
  4. Queen Anne's lace, wild carrot - 101/135 (75%)
  5. red clover - 101/135 (75%)
  6. ground ivy - 100/135 (74%)
  7. common yarrow - 100/135 (74%)
  8. common ragweed - 100/135 (74%)
  9. lambsquarters - 100/135 (74%)
  10. oxeye daisy - 100/135 (74%)

Counties with the most invasive species reported

  1. Fairfax County - 459 species
  2. Henrico County - 363 species
  3. Montgomery County - 351 species
  4. Albemarle County - 342 species
  5. Fauquier County - 332 species
  6. Loudoun County - 322 species
  7. Arlington County - 322 species
  8. Rockingham County - 316 species
  9. Prince William County - 311 species
  10. James City County - 307 species

Counties with the least invasive species reported

  1. Poquoson city - 1 species
  2. Emporia city - 1 species
  3. Franklin city - 1 species
  4. Manassas Park city - 1 species
  5. Colonial Heights city - 1 species
  6. Hopewell city - 1 species
  7. Williamsburg city - 2 species
  8. Danville city - 2 species
  9. Bedford city - 2 species
  10. Manassas city - 2 species

Report created on July 24, 2014 at 01:09 PM by the UGA Center for Invasive Species and Ecosystem Health using EDDMapS Technology and Data.