Status of Invasive Plants in New York
Total number of exotic species reported: 540
Total number of records in EDDMapS: 23889
Invasive Plants by Category
- Aquatic - 12 species, 777 records
- Conifer Trees - 4 species, 98 records
- Forbs/Herbs - 276 species, 10823 records
- Grass or Grasslike - 87 species, 3512 records
- Hardwood Trees - 59 species, 1604 records
- Shrub or Subshrub - 60 species, 1982 records
- Vines - 38 species, 1202 records
Top Ten Abundant Invasive Plants (by number of reports)
- Eurasian watermilfoil - 304 reports
- Japanese barberry - 278 reports
- multiflora rose - 258 reports
- Japanese stiltgrass - 251 reports
- garlic mustard - 229 reports
- curlyleaf pondweed - 189 reports
- tree-of-heaven - 177 reports
- redtop - 169 reports
- purple loosestrife - 159 reports
- barnyardgrass - 157 reports
Top Ten Widespread Invasive Plants (by number of positive counties)
- purple loosestrife - 63/62 (102%)
- Canada bluegrass - 58/62 (94%)
- redtop - 58/62 (94%)
- 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 - 435 species
- Ulster County - 384 species
- Orange County - 377 species
- Albany County - 367 species
- Bronx County - 359 species
- Nassau County - 335 species
- Rockland County - 322 species
- Rensselaer County - 308 species
- Erie County - 299 species
- Tompkins County - 293 species
Counties with the least invasive species reported
- Fulton County - 50 species
- Broome County - 69 species
- Cortland County - 73 species
- Wyoming County - 84 species
- Orleans County - 87 species
- Chenango County - 92 species
- Tioga County - 100 species
- Franklin County - 101 species
- Herkimer County - 102 species
- Allegany County - 102 species
Report created on May 18, 2013 at 07:51 AM
by the UGA Center for Invasive Species and Ecosystem Health using EDDMapS Technology and Data.
