Invasive plant species of concern in Denmark
The following species are listed as invasive plant species on the web site of the Danish Forest and Nature Agency:
Acer pseudoplatanus
Aegopodium podagraria
Ailanthus altissima
Elodea canadensis
Erigeron (Conyza) canadensis
Heracleum mantegazzianum
Impatiens parviflora
Impatiens glandulifera
Lupinus polyphyllus
Pastinaca sativa
Petasites hybridus
Pinus mugo
Pinus contorta
Prunus serotina
Rosa rugosa
Reynoutria japonica
Reynoutria sachalinensis
Robinia pseudoacacia
Solidago canadensis
Solidago gigantea
Spartina anglica
Spiraea douglasii
Spiraea ssp.
Telekia speciosa
Sources
Web site of the Danish Forest and Nature Agency:
http://www.sns.dk/natur/groen/a01.htm