List of invasive species in Italy
# List of invasive species in Italy

Many species of plants, animals, and other organisms are considered invasive species in Italy.

## Plants

* Ailanthus altissima (Tree of heaven)
* Amorpha fruticosa (Desert false indigo)
* Ambrosia artemisiifolia (Amrosia artemisifolia)
* Carpobrotus edulis (Hottentot fig)
* Caulerpa racemosa (Grape caulerpa)
* Caulerpa taxifolia, Mediterranean clone
* Crassula helmsii (Australian swamp stonecrop)
* Eichhornia crassipes (Water hyacinth)
* Elodea canadensis (Canadian pondweed)
* Gleditsia triacanthos (Honey locust)
* Heracleum mantegazzianum (Giant hogweed)
* Hydrocotyle ranunculoides (Floating pennywort)
* Impatiens glandulifera (Himalayan balsam)
* Myriophyllum aquaticum (Parrot feather)
* Reynoutria japonica (syn. Fallopia japonica) (Japanese knotweed)
* Robinia pseudoacacia (Black locust)

## Fungi

* Ophiostoma ulmi (Dutch elm disease)

## Animals

### Platyhelminthes

* Bothriocephalus acheilognathi (Asian tapeworm)

### Molluscs

**Marine**

* Crassostrea gigas (Pacific oyster)
* Crepidula fornicata (Common slipper shell)
* Rapana Venosa (Veined rapa whelk)

**Freshwater**

* Corbicula fluminea (Freshwater bivalve mollusk)
* Dreissena polymorpha (Zebra mussel)
* Potamopyrgus antipodarum (New Zealand mud snail)
* Sinanodonta woodiana (Chinese pond mussel)

### Crustaceans

* Dikerogammarus villosus (Killer shrimp)
* Eriocheir sinensis (Chinese mitten crab)
* Orconectes limosus (Eastern crayfish)
* Pacifastacus leniusculus (Signal crayfish)
* Procambarus clarkii (Louisiana crawfish)

### Insects

* Aedes albopictus (Asian tiger mosquito)
* Cacyreus marshalli (Geranium bronze)
* Dryocosmus kuriphilus (Chestnut gall wasp)
* Drosophila suzukii (Spotted-wing drosophila)
* Harmonia axyridis (Asian lady beetle)
* Leptinotarsa decemlineata (Colorado beetle)
* Linepithema humile (Argentine ant)
* Ricania speculum (black planthopper)

### Amphibians

* Lithobates catesbeianus (American Bullfrog)
* Xenopus laevis (African clawed frog)

### Birds

* Alopochen aegyptiacus (Egyptian goose)
* Myiopsitta monachus (Monk parakeet)
* Psittacula krameri (Rose-ringed parakeet)

### Fish

* Ameiurus melas (Black bullhead)
* Gambusia affinis (Eastern mosquitofish)
* Lepomis gibbosus (Pumpkinseed sunfish)
* Pseudorasbora parva (Stone moroko)
* Micropterus salmoides (Largemouth Bass)

### Mammals

* Eutamias sibiricus (Siberian chipmunk)
* Callosciurus finlaysonii (Finlayson's squirrel)
* Mustela vison (American mink)
* Myocastor coypus (Coypu, nutria)
* Nyctereutes procyonoides (Raccoon dog)
* Ondatra zibethicus (Muskrat)
* Oryctolagus cuniculus (European rabbit)
* Rattus norvegicus (Brown rat)
* Rattus rattus (Black rat)
* Sciurus carolinensis (Grey squirrel)
* Procyon lotor (Common raccoon)

### Reptiles

* Trachemys scripta elegans (Red-eared slider)
