Status of Invasive Plants in Connecticut
Total number of exotic species reported: 454
Total number of records in EDDMapS: 11800
Invasive Plants by Category
- Aquatic - 11 species, 422 records
- Conifer Trees - 3 species, 19 records
- Forbs/Herbs - 235 species, 3672 records
- Grass or Grasslike - 64 species, 1202 records
- Hardwood Trees - 49 species, 778 records
- Shrub or Subshrub - 60 species, 3070 records
- Vines - 28 species, 1083 records
Top Ten Abundant Invasive Plants (by number of reports)
- Japanese barberry - 766 reports
- multiflora rose - 675 reports
- oriental bittersweet - 562 reports
- winged burning bush - 301 reports
- autumn-olive - 250 reports
- garlic mustard - 242 reports
- yellow groove bamboo - 159 reports
- common reed - 156 reports
- Morrow's honeysuckle - 154 reports
- Japanese stiltgrass - 149 reports
Top Ten Widespread Invasive Plants (by number of positive counties)
- Norway maple - 8/8 (100%)
- Canada thistle - 8/8 (100%)
- garlic mustard - 8/8 (100%)
- Japanese barberry - 8/8 (100%)
- oriental bittersweet - 8/8 (100%)
- spotted knapweed - 8/8 (100%)
- crownvetch - 8/8 (100%)
- autumn-olive - 8/8 (100%)
- winged burning bush - 8/8 (100%)
- ground ivy - 8/8 (100%)
Counties with the most invasive species reported
- Fairfield County - 457 species
- New London County - 414 species
- New Haven County - 402 species
- Hartford County - 357 species
- Litchfield County - 346 species
- Windham County - 264 species
- Tolland County - 263 species
- Middlesex County - 262 species
Counties with the least invasive species reported
- Middlesex County - 262 species
- Tolland County - 263 species
- Windham County - 264 species
- Litchfield County - 346 species
- Hartford County - 357 species
- New Haven County - 402 species
- New London County - 414 species
- Fairfield County - 457 species
Report created on May 21, 2013 at 03:21 PM
by the UGA Center for Invasive Species and Ecosystem Health using EDDMapS Technology and Data.
