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Status of Invasive Plants in Nevada

Total number of exotic species reported: 335

Total number of records in EDDMapS: 13192


Invasive Plants by Category

  • Aquatic - 8 species, 111 records
  • Forbs/Herbs - 194 species, 4534 records
  • Grass or Grasslike - 82 species, 6144 records
  • Hardwood Trees - 15 species, 586 records
  • Shrub or Subshrub - 12 species, 566 records
  • Vines - 18 species, 163 records

Top Ten Abundant Invasive Plants (by number of reports)

  1. cheatgrass - 5156 reports
  2. perennial pepperweed - 577 reports
  3. saltcedar - 483 reports
  4. halogeton - 437 reports
  5. tamarisk - 340 reports
  6. Russian thistle - 332 reports
  7. African mustard - 207 reports
  8. alfalfa - 174 reports
  9. clasping pepperweed - 148 reports
  10. Russian knapweed - 139 reports

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

  1. common yarrow - 17/17 (100%)
  2. smooth brome - 17/17 (100%)
  3. cheatgrass - 17/17 (100%)
  4. shepherd's-purse - 17/17 (100%)
  5. flixweed - 17/17 (100%)
  6. redstem filaree - 17/17 (100%)
  7. yellow sweet-clover - 17/17 (100%)
  8. alfalfa - 17/17 (100%)
  9. rabbitfoot polypogon - 17/17 (100%)
  10. Russian-thistle - 17/17 (100%)

Counties with the most invasive species reported

  1. Washoe County - 290 species
  2. Clark County - 231 species
  3. Elko County - 230 species
  4. Nye County - 187 species
  5. Churchill County - 150 species
  6. Douglas County - 149 species
  7. Humboldt County - 148 species
  8. Lincoln County - 139 species
  9. White Pine County - 136 species
  10. Lyon County - 132 species

Counties with the least invasive species reported

  1. Esmeralda County - 67 species
  2. Pershing County - 68 species
  3. Eureka County - 76 species
  4. Storey County - 87 species
  5. Mineral County - 99 species
  6. Lander County - 129 species
  7. Carson City - 132 species
  8. Lyon County - 132 species
  9. White Pine County - 136 species
  10. Lincoln County - 139 species

Report created on October 31, 2014 at 12:54 PM by the UGA Center for Invasive Species and Ecosystem Health using EDDMapS Technology and Data.