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Status of Invasive Plants in Nevada

Total number of exotic species reported: 336

Total number of records in EDDMapS: 24280


Invasive Plants by Category

  • Aquatic - 8 species, 112 records
  • Forbs/Herbs - 193 species, 13815 records
  • Grass or Grasslike - 82 species, 6919 records
  • Hardwood Trees - 15 species, 1322 records
  • Shrub or Subshrub - 12 species, 589 records
  • Vines - 17 species, 212 records

Top Ten Abundant Invasive Plants (by number of reports)

  1. cheatgrass - 5160 reports
  2. perennial pepperweed - 2590 reports
  3. hoary cress - 2329 reports
  4. saltcedar - 1219 reports
  5. Scotch thistle - 1125 reports
  6. bull thistle - 858 reports
  7. medusahead - 831 reports
  8. African mustard - 822 reports
  9. Canada thistle - 760 reports
  10. Russian knapweed - 617 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 - 288 species
  2. Elko County - 235 species
  3. Clark County - 232 species
  4. Nye County - 193 species
  5. Lincoln County - 151 species
  6. Churchill County - 150 species
  7. Douglas County - 150 species
  8. Humboldt County - 148 species
  9. White Pine County - 146 species
  10. Carson City - 136 species

Counties with the least invasive species reported

  1. Esmeralda County - 68 species
  2. Pershing County - 68 species
  3. Eureka County - 79 species
  4. Storey County - 88 species
  5. Mineral County - 99 species
  6. Lander County - 129 species
  7. Lyon County - 131 species
  8. Carson City - 136 species
  9. White Pine County - 146 species
  10. Humboldt County - 148 species

Report created on July 4, 2015 at 03:00 AM by the UGA Center for Invasive Species and Ecosystem Health using EDDMapS Technology and Data.