Status of Invasive Plants in Indiana

Total number of exotic species reported: 464

Total number of records in EDDMapS: 25559


Invasive Plants by Category

  • Aquatic - 18 species, 851 records
  • Conifer Trees - 2 species, 10 records
  • Forbs/Herbs - 264 species, 12520 records
  • Grass or Grasslike - 56 species, 3066 records
  • Hardwood Trees - 34 species, 925 records
  • Shrub or Subshrub - 45 species, 1455 records
  • Vines - 32 species, 1615 records

Top Ten Abundant Invasive Plants (by number of reports)

  1. multiflora rose - 298 reports
  2. barnyardgrass - 237 reports
  3. ladysthumb - 222 reports
  4. Eurasian water-milfoil - 203 reports
  5. Japanese honeysuckle - 199 reports
  6. big chickweed - 196 reports
  7. creeping yellow loosestrife, creeping Jenney - 183 reports
  8. redtop - 183 reports
  9. garlic mustard - 182 reports
  10. yellow sweet-clover - 174 reports

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

  1. tree-of-heaven - 92/92 (100%)
  2. purple crown-vetch - 92/92 (100%)
  3. autumn olive - 92/92 (100%)
  4. winter creeper - 92/92 (100%)
  5. English ivy - 92/92 (100%)
  6. Japanese honeysuckle - 92/92 (100%)
  7. multiflora rose - 92/92 (100%)
  8. common periwinkle - 92/92 (100%)
  9. purple deadnettle - 92/92 (100%)
  10. poison-hemlock - 92/92 (100%)

Counties with the most invasive species reported

  1. St. Joseph County - 322 species
  2. Porter County - 321 species
  3. Lake County - 311 species
  4. LaPorte County - 305 species
  5. Monroe County - 301 species
  6. Jefferson County - 297 species
  7. Tippecanoe County - 269 species
  8. Montgomery County - 261 species
  9. Lawrence County - 260 species
  10. Newton County - 253 species

Counties with the least invasive species reported

  1. Benton County - 108 species
  2. Union County - 114 species
  3. Adams County - 116 species
  4. Pulaski County - 120 species
  5. Scott County - 123 species
  6. Jay County - 124 species
  7. Decatur County - 125 species
  8. Martin County - 125 species
  9. Dubois County - 125 species
  10. Ohio County - 129 species

Report created on April 21, 2014 at 03:20 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