List of introduced species

Australia

• Blackbird from Europe
• Rabbit from Europe
• Red Fox from Europe
• Brown Hare
• Common Starling
• Nutmeg Mannikin
• Cane Toad
• Brown Trout
• Mosquitofish
• Honeybee
• Allamanda - Allamanda cathartica from South America
• Dromedary
• Patterson's Curse

Great Britain

Mammals

• Rabbit from continental Europe
• Fallow Deer from continental Europe
• Grey Squirrel from North America
• Mink
• Red-Necked Wallaby
• Muntjac Deer
• Feral Goat
• Sika Deer from Asia
• Chinese Water Deer
• Edible Dormouse

Birds

• Ruddy Duck from America
• Mandarin from Asia
• Little Owl from mainland Europe
• Ring-necked Parakeet from Asia
• Red-legged Partridge
• Golden Pheasant from Asia
• Lady Amherst's Pheasant
• Common Pheasant
• Canada Goose

Fish

• Zander
• Wels Catfish
• Rainbow Trout
• Orfe
• Grass carp
• Bitterling

Amphibians

• American Bullfrog

Reptiles

• European pond terrapin
• Wall Lizard

Crustaceans

• Signal Crayfish
• Chinese Mitten crab
• Darwins barnacle

Insects

• Pharaoh ant
• List_non-endemic_ant_species_introduced_to_the_British_Isles

Plants

• Japanese Knotweed
• Rhododendron
• Oxford Ragwort
• Hottentot fig
• Fox and Cubs
• Jewelweed
• Giant Hogweed
• Willow herb
• Evening Primrose
• Water Fern
• Autumnal Crocus
• Pigmy Weed
• Least Duckweed
• Canada Pond Weed
• Bermuda Buttercup
• Guernsey Fleabane
• Rhododendron Floating Pennywort
• Purple Dewplant
• Himalayan Balsam
• Field Speedwell
• Purple Pitcher

Hawaiian Islands

Birds

• see List of bird species introduced to the Hawaiian Islands

New Zealand

Mammals

• Rabbit from Europe
• Stoat from Europe
• Red Deer from Europe
• Sika Deer from Asia
• Common Brushtail Possum from Australia
• Hedgehog from Europe
• Brush-tailed Rock Wallaby (and some other wallabies) from Australia
• Wapiti from the United States of America

Birds

• Blackbird from Europe
• Dunnock (Hedge Sparrow or Hedge Accentor) from Europe
• Magpie from Australia
• Common Myna from India
• Starling from Europe
• Common Pheasant from Asia

North America

Mammals

• Nutria from South America
• Red Squirrel from Europe

Birds

• Chukar from Europe
• Eurasian Collared-Dove from Europe
• Eurasian Tree Sparrow from Europe
• European Starling from Europe
• Gray Partridge from Europe
• House Sparrow from Europe
• Monk Parakeet from South America
• Mute Swan from Europe
• Ring-necked Pheasant from Asia and Europe
• Rock Pigeon from Europe

Fish

• Round goby from Eurasia
• Eurasian Ruffe from Eurasia
• Common carp from Europe
• Sea lamprey, introduced into the Great Lakes through the Welland canal c.1921
• Tubenose goby from Europe

Crustaceans

• European green crab from Atlantic coasts of Europe, northern Africa, from Norway to the British Isles south to Mauritania
• Chinese mitten crab from the coastal rivers and estuaries of the Yellow Sea
• Japanese shore crab from Japan
• Spiny waterflea from northern Europe and western Russia
• Fishhook waterflea from the Ponto-Caspian region
• Mud shrimp from Europe

Mollusks

• Common periwinkle from Europe
• Chinese mystery snail from Asia
• Zebra mussel from the Caspian and Black Seas
• Veined Rapa whelk from the Sea of Japan

Insects

• Balsam woolly adelgid
• Hemlock woolly adelgid from Japan
• Beech scale
• Birch leafminer
• Gypsy moth from Europe
• Asian gypsy moth from Siberia
• European pine shoot moth
• European spruce sawfly
• European pine sawfly
• European elm bark beetle
• Larch sawfly
• Larch casebearer
• Pear thrip from Europe
• Winter moth
• Asian long-horned beetle
• Brown spruce longhorn beetle from Europe

Plants

• Eurasian Water-milfoil from Europe, Asia and northern Africa
• Ice Plant from South Africa
• Prickly Pear from South Africa
• Eucalypts from Australia
• Lonicera japonica -- Japanese honeysuckle
• Lonicera maackii -- Amur honeysuckle
• Rosa multiflora -- multiflora rose
• Lythrum salicaria -- Purple loosestrife
• Pueraria montana -- kudzu (aka Pueraria lobata)
• Celastrus orbiculatus -- oriental bittersweet
• Elaeagnus umbellata -- autumn-olive
• Alliaria petiolata -- garlic-mustard
• Hydrilla verticillata -- Hydrilla from India and Sri Lanka
• Trapa natans -- Water chestnut from Eurasia
• Eichhornia crassipes -- Water hyacinth from South America
• Pistia stratiotes -- Water lettuce from South America
• Ipomoea aquatica -- Water spinach from India and southeast Asia
• Arundo donax -- Giant reed from the Mediterranean
• Conium maculatum -- Poison hemlock from Europe
• Salvinia molesta -- Giant salvinia from Brazil
• Hedera helix -- English ivy from Europe
• Fucus serratus -- Rockweed from Europe
• Codium fragile subsp. tomentosoides -- Green sea fingers

Referenced By