Status of Invasive Plants in Rhode Island
Total number of exotic species reported: 348
Total number of records in EDDMapS: 3820
Invasive Plants by Category
- Aquatic - 5 species, 28 records
- Conifer Trees - 3 species, 12 records
- Forbs/Herbs - 191 species, 1257 records
- Grass or Grasslike - 42 species, 315 records
- Hardwood Trees - 37 species, 308 records
- Shrub or Subshrub - 42 species, 775 records
- Vines - 24 species, 438 records
Top Ten Abundant Invasive Plants (by number of reports)
- oriental bittersweet - 209 reports
- multiflora rose - 196 reports
- autumn-olive - 105 reports
- Japanese barberry - 90 reports
- Japanese honeysuckle - 73 reports
- Morrow's honeysuckle - 70 reports
- red sorrel - 52 reports
- European buckthorn - 50 reports
- Black dog-strangling vine, black swallowwort - 49 reports
- common reed - 41 reports
Top Ten Widespread Invasive Plants (by number of positive counties)
- Japanese barberry - 5/5 (100%)
- oriental bittersweet - 5/5 (100%)
- tree-of-heaven - 5/5 (100%)
- Norway maple - 5/5 (100%)
- autumn-olive - 5/5 (100%)
- winged burning bush - 5/5 (100%)
- winter creeper - 5/5 (100%)
- ground ivy - 5/5 (100%)
- Japanese honeysuckle - 5/5 (100%)
- Morrow's honeysuckle - 5/5 (100%)
Counties with the most invasive species reported
- Providence County - 344 species
- Newport County - 309 species
- Washington County - 300 species
- Kent County - 247 species
- Bristol County - 218 species
Counties with the least invasive species reported
- Bristol County - 218 species
- Kent County - 247 species
- Washington County - 300 species
- Newport County - 309 species
- Providence County - 344 species
Report created on May 19, 2013 at 11:14 PM
by the UGA Center for Invasive Species and Ecosystem Health using EDDMapS Technology and Data.
