Status of Invasive Plants in Delaware
Total number of exotic species reported: 322
Total number of records in EDDMapS: 1435
Invasive Plants by Category
- Aquatic - 10 species, 90 records
- Conifer Trees - 2 species, 4 records
- Forbs/Herbs - 154 species, 481 records
- Grass or Grasslike - 53 species, 186 records
- Hardwood Trees - 36 species, 114 records
- Shrub or Subshrub - 37 species, 155 records
- Vines - 25 species, 142 records
Top Ten Abundant Invasive Plants (by number of reports)
- hydrilla - 32 reports
- oriental bittersweet - 19 reports
- multiflora rose - 17 reports
- European privet - 16 reports
- Japanese honeysuckle - 16 reports
- wine raspberry - 16 reports
- garlic mustard - 15 reports
- English ivy - 15 reports
- parrot feather milfoil - 14 reports
- mile-a-minute weed - 14 reports
Top Ten Widespread Invasive Plants (by number of positive counties)
- Japanese barberry - 3/3 (100%)
- Amur peppervine - 3/3 (100%)
- garlic mustard - 3/3 (100%)
- mimosa - 3/3 (100%)
- tree-of-heaven - 3/3 (100%)
- Norway maple - 3/3 (100%)
- princesstree - 3/3 (100%)
- kudzu - 3/3 (100%)
- Canada thistle - 3/3 (100%)
- oriental bittersweet - 3/3 (100%)
Counties with the most invasive species reported
- New Castle County - 376 species
- Sussex County - 230 species
- Kent County - 201 species
Counties with the least invasive species reported
- Kent County - 201 species
- Sussex County - 230 species
- New Castle County - 376 species
Report created on May 18, 2013 at 06:50 PM
by the UGA Center for Invasive Species and Ecosystem Health using EDDMapS Technology and Data.
