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Status of Invasive Plants in Nevada

Total number of exotic species reported: 335

Total number of records in EDDMapS: 19786


Invasive Plants by Category

  • Aquatic - 8 species, 112 records
  • Forbs/Herbs - 194 species, 10420 records
  • Grass or Grasslike - 82 species, 6180 records
  • Hardwood Trees - 15 species, 1121 records
  • Shrub or Subshrub - 12 species, 589 records
  • Vines - 18 species, 201 records

Top Ten Abundant Invasive Plants (by number of reports)

  1. cheatgrass - 5156 reports
  2. hoary cress - 1986 reports
  3. perennial pepperweed - 1303 reports
  4. saltcedar - 1018 reports
  5. African mustard - 822 reports
  6. bull thistle - 748 reports
  7. musk thistle - 536 reports
  8. Russian knapweed - 474 reports
  9. halogeton - 437 reports
  10. Scotch thistle - 358 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 - 289 species
  2. Clark County - 234 species
  3. Elko County - 230 species
  4. Nye County - 192 species
  5. Lincoln County - 151 species
  6. Churchill County - 150 species
  7. Douglas County - 149 species
  8. Humboldt County - 148 species
  9. White Pine County - 146 species
  10. Carson City - 132 species

Counties with the least invasive species reported

  1. Esmeralda County - 68 species
  2. Pershing County - 68 species
  3. Eureka County - 77 species
  4. Storey County - 88 species
  5. Mineral County - 99 species
  6. Lander County - 129 species
  7. Lyon County - 131 species
  8. Carson City - 132 species
  9. White Pine County - 146 species
  10. Humboldt County - 148 species

Report created on January 29, 2015 at 11:20 AM by the UGA Center for Invasive Species and Ecosystem Health using EDDMapS Technology and Data.