Eddmaps logo

Status of Invasive Plants in Ohio

Total number of exotic species reported: 565

Total number of records in EDDMapS: 33127


Invasive Plants by Category

  • Aquatic - 16 species, 1467 records
  • Conifer Trees - 3 species, 15 records
  • Forbs/Herbs - 321 species, 17083 records
  • Grass or Grasslike - 73 species, 2417 records
  • Hardwood Trees - 53 species, 1864 records
  • Shrub or Subshrub - 60 species, 2325 records
  • Vines - 36 species, 1682 records

Top Ten Abundant Invasive Plants (by number of reports)

  1. multiflora rose - 431 reports
  2. garlic mustard - 301 reports
  3. purple loosestrife - 276 reports
  4. creeping yellow loosestrife, creeping Jenney - 255 reports
  5. Japanese honeysuckle - 235 reports
  6. tree-of-heaven - 225 reports
  7. ladysthumb - 221 reports
  8. bittersweet nightshade - 216 reports
  9. reed canarygrass - 208 reports
  10. Eurasian water-milfoil - 207 reports

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

  1. tree-of-heaven - 88/88 (100%)
  2. multiflora rose - 88/88 (100%)
  3. common mullein - 88/88 (100%)
  4. annual bluegrass - 88/88 (100%)
  5. bittersweets - 88/88 (100%)
  6. common dandelion - 88/88 (100%)
  7. Japanese barberry - 87/88 (99%)
  8. smooth brome - 87/88 (99%)
  9. Queen Anne's lace, wild carrot - 87/88 (99%)
  10. moth mullein - 87/88 (99%)

Counties with the most invasive species reported

  1. Cuyahoga County - 458 species
  2. Lake County - 445 species
  3. Franklin County - 376 species
  4. Portage County - 367 species
  5. Erie County - 359 species
  6. Summit County - 354 species
  7. Ashtabula County - 351 species
  8. Lorain County - 346 species
  9. Highland County - 342 species
  10. Geauga County - 332 species

Counties with the least invasive species reported

  1. Mercer County - 115 species
  2. Putnam County - 116 species
  3. Paulding County - 120 species
  4. Shelby County - 124 species
  5. Hardin County - 125 species
  6. Henry County - 136 species
  7. Union County - 139 species
  8. Hancock County - 142 species
  9. Marion County - 145 species
  10. Allen County - 148 species

Report created on July 28, 2015 at 01:48 AM by the UGA Center for Invasive Species and Ecosystem Health using EDDMapS Technology and Data.