Table 1.

The thirteen species for which we reconstructed the problem status trajectories.

Taxonomic group	Common international name	Common Dutch name	Scientific name	Source
Invertebrate	Asian tiger mosquito	Aziatische tijgermug	Aedes albopictus	CS, S
Mammal	Coypu	Beverrat	Myocastor coypus	G, NMO
Bird	Egyptian goose	Nijlgans	Alopochen aegyptiacus	G, NMO
Aquatic plant	Floating pennywort	Grote waternavel	Hydrocotyle ranunculoides	NMO, S
Mammal	Gray squirrel	Grijze eekhoorn	Sciurus carolinensis	NMO, S
Bird	Indian crow	Japanse huiskraai	Corvus splendens	CS, S
Terrestrial plant	Japanese knotweed	Japanse duizendknoop	Polygonum cuspidatum	CS
Mammal	Pallas’s squirrel	Pallas eekhoorn	Callosciurus erythraeus	G, NMO
Invertebrate	Pumpkinseed sunfish	Zonnebaars	Lepomis gibbosus	NMO, S
Freshwater invertebrate	Quagga mussel	Quaggamossel	Dreissena bugensis	CS
Mammal	Raccoon	Wasbeer	Procyon lotor	G, NMO
Freshwater invertebrate	Red swamp crayfish	Amerikaanse rivierkreeft	Procambarus clarkii	G, NMO, S
Bird	Ring necked parakeet	Halsband parkiet	Psittacula krameri	CS, NMO, S

The source indicates where the species was listed as important. The species names are as given in these sources

G governmental source, CS civil society source, NMO nature management organization, S scientific source