Status of Invasive Plants in New York
Total number of exotic species reported: 507
Total number of records in EDDMapS: 21545
Invasive Plants by Category
- Aquatic - 11 species, 254 records
- Conifer Trees - 4 species, 98 records
- Forbs/Herbs - 262 species, 9755 records
- Grass or Grasslike - 75 species, 2992 records
- Hardwood Trees - 58 species, 1441 records
- Shrub or Subshrub - 56 species, 1684 records
- Vines - 37 species, 1105 records
Top Ten Abundant Invasive Plants (by number of reports)
- Japanese barberry - 257 reports
- Nepalese browntop - 237 reports
- multiflora rose - 180 reports
- garlic mustard - 174 reports
- tree-of-heaven - 171 reports
- oriental bittersweet - 136 reports
- redtop - 111 reports
- Canada bluegrass - 110 reports
- reed canarygrass - 108 reports
- green foxtail - 108 reports
Top Ten Widespread Invasive Plants (by number of positive counties)
- purple loosestrife - 62/62 (100%)
- Canada bluegrass - 58/62 (94%)
- redtop - 57/62 (92%)
- reed canarygrass - 56/62 (90%)
- sweet vernalgrass - 56/62 (90%)
- timothy - 55/62 (89%)
- green foxtail - 55/62 (89%)
- American mannagrass - 55/62 (89%)
- barnyardgrass - 54/62 (87%)
- quackgrass - 54/62 (87%)
Counties with the most invasive species reported
- Suffolk County - 422 species
- Ulster County - 371 species
- Orange County - 369 species
- Albany County - 357 species
- Bronx County - 347 species
- Nassau County - 324 species
- Rockland County - 316 species
- Rensselaer County - 301 species
- Erie County - 294 species
- Tompkins County - 279 species
Counties with the least invasive species reported
- Fulton County - 48 species
- Cortland County - 65 species
- Broome County - 66 species
- Orleans County - 78 species
- Wyoming County - 80 species
- Chenango County - 83 species
- Steuben County - 84 species
- Tioga County - 92 species
- Allegany County - 93 species
- Franklin County - 93 species
Report created on June 29, 2011 at 06:35 PM
by the UGA Center for Invasive Species and Ecosystem Health using EDDMapS Technology and Data.