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Status of Invasive Plants in Tennessee

Total number of exotic species reported: 468

Total number of records in EDDMapS: 51096


Invasive Plants by Category

  • Aquatic - 17 species, 728 records
  • Forbs/Herbs - 248 species, 9246 records
  • Grass or Grasslike - 75 species, 8369 records
  • Hardwood Trees - 35 species, 4711 records
  • Shrub or Subshrub - 59 species, 9478 records
  • Vines - 33 species, 12282 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 - 379 species
  2. Davidson County - 334 species
  3. Montgomery County - 306 species
  4. Shelby County - 281 species
  5. Stewart County - 274 species
  6. Sevier County - 269 species
  7. Blount County - 259 species
  8. Rutherford County - 252 species
  9. Sumner County - 247 species
  10. Giles County - 228 species

Counties with the least invasive species reported

  1. Pickett County - 28 species
  2. Chester County - 32 species
  3. Moore County - 35 species
  4. Crockett County - 36 species
  5. Weakley County - 47 species
  6. Henderson County - 50 species
  7. Dyer County - 51 species
  8. Hancock County - 55 species
  9. Gibson County - 55 species
  10. Benton County - 56 species

Report created on July 30, 2014 at 05:19 PM by the UGA Center for Invasive Species and Ecosystem Health using EDDMapS Technology and Data.