Status of Invasive Plants in Oklahoma

Total number of exotic species reported: 302

Total number of records in EDDMapS: 10644


Invasive Plants by Category

  • Aquatic - 13 species, 183 records
  • Forbs/Herbs - 158 species, 2812 records
  • Grass or Grasslike - 63 species, 1450 records
  • Hardwood Trees - 24 species, 379 records
  • Shrub or Subshrub - 18 species, 1255 records
  • Vines - 20 species, 1031 records

Top Ten Abundant Invasive Plants (by number of reports)

  1. Japanese honeysuckle - 586 reports
  2. sericea lespedeza - 567 reports
  3. privet - 345 reports
  4. shrubby lespedeza - 156 reports
  5. tall fescue - 115 reports
  6. yellow sweet-clover - 96 reports
  7. puncturevine - 84 reports
  8. stinkgrass - 83 reports
  9. shepherd's-purse - 81 reports
  10. watercress - 81 reports

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

  1. yellow sweet-clover - 59/77 (77%)
  2. fivestamen tamarisk - 56/77 (73%)
  3. common yarrow - 51/77 (66%)
  4. puncturevine - 49/77 (64%)
  5. barnyardgrass - 49/77 (64%)
  6. curly dock - 49/77 (64%)
  7. curly dock - 49/77 (64%)
  8. shepherd's-purse - 48/77 (62%)
  9. bristlegrass - 48/77 (62%)
  10. stinkgrass - 47/77 (61%)

Counties with the most invasive species reported

  1. Cleveland County - 239 species
  2. Payne County - 189 species
  3. Muskogee County - 188 species
  4. Oklahoma County - 186 species
  5. Bryan County - 176 species
  6. Murray County - 158 species
  7. Cherokee County - 151 species
  8. McCurtain County - 145 species
  9. Grady County - 140 species
  10. Marshall County - 139 species

Counties with the least invasive species reported

  1. Nowata County - 18 species
  2. Coal County - 21 species
  3. Hughes County - 27 species
  4. Jefferson County - 31 species
  5. Ellis County - 32 species
  6. Atoka County - 32 species
  7. Cotton County - 32 species
  8. McIntosh County - 32 species
  9. Major County - 34 species
  10. Kiowa County - 35 species

Report created on April 18, 2014 at 04:34 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