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Status of Invasive Plants in Tennessee

Total number of exotic species reported: 471

Total number of records in EDDMapS: 51519


Invasive Plants by Category

  • Aquatic - 17 species, 728 records
  • Forbs/Herbs - 248 species, 9246 records
  • Grass or Grasslike - 75 species, 8368 records
  • Hardwood Trees - 35 species, 4711 records
  • Shrub or Subshrub - 59 species, 9474 records
  • Vines - 33 species, 12280 records

Top Ten Abundant Invasive Plants (by number of reports)

  1. Japanese honeysuckle - 9734 reports
  2. Japanese stiltgrass - 4748 reports
  3. privet - 3381 reports
  4. sericea lespedeza - 1683 reports
  5. tree-of-heaven - 1510 reports
  6. sawtooth oak - 1138 reports
  7. multiflora rose - 1093 reports
  8. shrubby lespedeza - 984 reports
  9. mimosa - 911 reports
  10. autumn olive - 709 reports

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

  1. Japanese honeysuckle - 95/95 (100%)
  2. Japanese stiltgrass - 93/95 (98%)
  3. privet - 93/95 (98%)
  4. sericea lespedeza - 90/95 (95%)
  5. tree-of-heaven - 88/95 (93%)
  6. shrubby lespedeza - 88/95 (93%)
  7. bush honeysuckles (exotic) - 83/95 (87%)
  8. mimosa - 78/95 (82%)
  9. princesstree - 73/95 (77%)
  10. tall fescue - 71/95 (75%)

Counties with the most invasive species reported

  1. Knox County - 386 species
  2. Davidson County - 338 species
  3. Montgomery County - 309 species
  4. Shelby County - 287 species
  5. Sevier County - 280 species
  6. Stewart County - 276 species
  7. Blount County - 270 species
  8. Rutherford County - 255 species
  9. Sumner County - 250 species
  10. Giles County - 231 species

Counties with the least invasive species reported

  1. Pickett County - 33 species
  2. Chester County - 35 species
  3. Crockett County - 37 species
  4. Moore County - 39 species
  5. Weakley County - 49 species
  6. Dyer County - 54 species
  7. Henderson County - 56 species
  8. Gibson County - 56 species
  9. Benton County - 60 species
  10. Trousdale County - 60 species

Report created on October 24, 2014 at 04:29 AM by the UGA Center for Invasive Species and Ecosystem Health using EDDMapS Technology and Data.