2. Invasive Species
Introduced species: any
organism that was brought
to an ecosystem as the
result of human actions
Invasive species: A
species that takes
advantage of an unoccupied
niche, or that successfully
out-competes native
species
Kudzu:
an invasive vine
3. U.S. Invasive Aquatic Plants
Partial list:
Brazilian Waterweed
Caulerpa, Mediterranean
Clone
Common Reed
Eurasian Watermilfoil
Didymo
Giant Reed
Giant Salvinia
Hydrilla
Melaleuca
Purple Loosestrife
Water Chestnut
Water Hyacinth
Water Lettuce
Water Spinach
Hydrilla
4. U.S. Invasive Aquatic Animals
Partial list:
Alewife New Zealand Mud
Snail Northern Snakehead
Asian Carps Nutria
Asian Swamp Eel Quagga Mussel
Bullfrog Round Goby
Chinese Mitten Crab Rusty Crayfish
Eurasian Ruffe Sea Lamprey
European Green Crab Sea Squirt
Flathead Catfish Spiny Water Flea
Lionfish Veined Rapa Whelk
Zebra Mussel
Zebra Mussel
5. U.S. Invasive Invertebrates
Partial list:
Africanized Honeybee
Asian Citrus Psyllid
Asian Long-Horned Beetle
Asian Tiger Mosquito
Cactus Moth
Emerald Ash Borer
European Gypsy Moth
European Spruce Bark Beetle
Formosan Subterranean Termite
Giant African Snail
Glassy-Winged Sharpshooter
Hemlock Woolly Adelgid
Light Brown Apple Moth
Mediterranean Fruit Fly
Mexican Fruit Fly
Pink Hibiscus Mealybug
Red Imported Fire Ant
Russian Wheat Aphid
Silverleaf Whitefly
Sirex Woodwasp
Soybean Cyst Nematode
6. U.S. Invasive Vertebrates
Partial list: At Risk of Widespread
Brown Tree Snake Intrusion
Cane Toad Constrictor snakes
European Starling Boiga snakes
Wild Boar Gambian pouch rat
House Sparrow
Nutria
European Starling
Cane Toad
7. U.S. Invasive Plants
Autumn Olive
Beach Vitex
Canada Thistle
Chinese Tallow
Cogongrass
Common Teasel
Dalmatian Toadflax
Diffuse Knapweed
Downy Brome
Garlic Mustard
Giant Hogweed
Hairy Whitetop
Houndstongue
Japanese Honeysuckle
Japanese Knotweed
Johnsongrass
Kudzu
Leafy Spurge
Medusahead
Mile-A-Minute Weed
Multiflora Rose
Musk Thistle
Old World Climbing Fern
Oriental Bittersweet
Purple Star Thistle
Quackgrass
Russian Knapweed
Russian Olive
Saltcedar
St. Johnswort
Scotch Broom
Scotch Thistle
Spotted Knapweed
Tree-of-Heaven
Tropical Soda Apple
Whitetop
Yellow Star Thistle
Yellow Toadflax
Yellow Star Thistle
8. U.S. Invasive Microbes
Animal Pathogens
Avian Influenza
Exotic Newcastle Disease
Fowlpox
Viral Hemorrhagic Septicemia
West Nile Virus
Whirling Disease
Plant Pathogens
Citrus Canker
Citrus Greening
Plum Pox
Southern Bacterial Wilt
Soybean Rust
Sudden Oak Death
West Nile Virus
Citrus Canker
