Status of Invasive Plants in Louisiana

Total number of exotic species reported: 479

Total number of records in EDDMapS: 29887


Invasive Plants by Category

  • Aquatic - 18 species, 1037 records
  • Cactus - 1 species, 2 records
  • Conifer Trees - 2 species, 34 records
  • Ferns - 1 species, 11 records
  • Forbs/Herbs - 231 species, 7321 records
  • Grass or Grasslike - 85 species, 3669 records
  • Hardwood Trees - 38 species, 3301 records
  • Shrub or Subshrub - 46 species, 2615 records
  • Vines - 42 species, 4654 records

Top Ten Abundant Invasive Plants (by number of reports)

  1. Japanese honeysuckle - 1811 reports
  2. Chinese tallowtree - 1739 reports
  3. Japanese climbing fern - 1319 reports
  4. privet - 1203 reports
  5. common water hyacinth - 236 reports
  6. chinaberry - 209 reports
  7. alligatorweed - 204 reports
  8. tall fescue - 185 reports
  9. water fern - 158 reports
  10. kudzu - 156 reports

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

  1. Japanese honeysuckle - 64/64 (100%)
  2. bush honeysuckles (exotic) - 64/64 (100%)
  3. johnsongrass - 64/64 (100%)
  4. Chinese tallowtree - 64/64 (100%)
  5. rescuegrass - 64/64 (100%)
  6. bermudagrass - 64/64 (100%)
  7. goosegrass - 64/64 (100%)
  8. dallisgrass - 64/64 (100%)
  9. vaseygrass - 64/64 (100%)
  10. annual bluegrass - 64/64 (100%)

Counties with the most invasive species reported

  1. Ouachita Parish - 414 species
  2. Caddo Parish - 333 species
  3. East Baton Rouge Parish - 317 species
  4. Orleans Parish - 306 species
  5. Lincoln Parish - 301 species
  6. Natchitoches Parish - 293 species
  7. Morehouse Parish - 279 species
  8. St. Charles Parish - 264 species
  9. St. Tammany Parish - 261 species
  10. De Soto Parish - 254 species

Counties with the least invasive species reported

  1. St. James Parish - 118 species
  2. Assumption Parish - 121 species
  3. Ascension Parish - 125 species
  4. Iberville Parish - 125 species
  5. St. Bernard Parish - 133 species
  6. West Baton Rouge Parish - 141 species
  7. Pointe Coupee Parish - 141 species
  8. Plaquemines Parish - 142 species
  9. Beauregard Parish - 144 species
  10. St. Martin Parish - 149 species

Report created on April 19, 2014 at 01:09 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