Status of Invasive Plants in Hawaii
Total number of exotic species reported: 478
Total number of records in EDDMapS: 3172
Invasive Plants by Category
- Aquatic - 5 species, 42 records
- Cactus - 1 species, 8 records
- Conifer Trees - 1 species, 1 records
- Forbs/Herbs - 178 species, 971 records
- Grass or Grasslike - 98 species, 538 records
- Hardwood Trees - 83 species, 481 records
- Shrub or Subshrub - 58 species, 272 records
- Vines - 50 species, 283 records
Top Ten Abundant Invasive Plants (by number of reports)
- coco yam, wild taro - 17 reports
- swamp morningglory - 14 reports
- waterhyacinth - 13 reports
- big chickweed - 12 reports
- buffelgrass - 12 reports
- parrot feather milfoil - 10 reports
- Brazilian waterweed - 9 reports
- barnyardgrass - 9 reports
- paragrass - 9 reports
- melaleuca - 8 reports
Top Ten Widespread Invasive Plants (by number of positive counties)
- English ivy - 4/5 (80%)
- melaleuca - 4/5 (80%)
- kudzu - 4/5 (80%)
- giant reed - 4/5 (80%)
- coral ardisia - 4/5 (80%)
- waterhyacinth - 4/5 (80%)
- Brazilian waterweed - 4/5 (80%)
- air-potato - 4/5 (80%)
- largeleaf lantana - 4/5 (80%)
- tall fescue - 4/5 (80%)
Counties with the most invasive species reported
- Maui County - 494 species
- Hawaii County - 473 species
- Honolulu County - 437 species
- Kauai County - 411 species
Counties with the least invasive species reported
- Kauai County - 411 species
- Honolulu County - 437 species
- Hawaii County - 473 species
- Maui County - 494 species
Report created on May 18, 2013 at 05:59 AM
by the UGA Center for Invasive Species and Ecosystem Health using EDDMapS Technology and Data.