Invasive Plants

The List of Invasive Alien Species of Union concern (EU Regulation 1143/2014) and national lists of invasive alien plants from each study country (see Project > Literature) formed the basis for the list of invasive alien plants along roadsides. The species were checked for their occurrence and spread along roadsides. All information needed was gathered from the original source (i.e. the national lists), by an extensive literature search, floristic databases, and expert consultation.

Total: 86 |
Classified as invasive in:
Taxon name Family Life form Origin EU
Acer negundo Aceraceae M North America
Acer pseudoplatanus Aceraceae M Europe, W-Asia
Ailanthus altissima Simaroubaceae M Asia
Alchemilla mollis Rosaceae H Caucasus, W-Asia
Allium triquetrum Alliaceae G W-Europe
Ambrosia artemisiifolia Asteraceae T North America
Amelanchier confusa Rosaceae N Not known
Amelanchier lamarckii Rosaceae N North America
Amelanchier spicata Rosaceae N North America
Anthyllis vulneraria subsp. carpatica Fabaceae H Europe
Artemisia verlotiorum Asteraceae H Asia
Asclepias syriaca Apocynaceae H North America
Berberis thunbergii Berberidaceae N Asia
Bergenia cordifolia Saxifragaceae H Asia
Bidens frondosa Asteraceae T North America
Broussonetia papyrifera Moraceae M Asia
Buddleja davidii Scrophulariaceae N Asia
Bunias orientalis Brassicaceae H W-Asia, E-Europe
Calystegia sepium subsp. spectabilis Convolvulaceae G Russia, Japan
Centaurea montana Asteraceae H Europe
Cerastium tomentosum Caryophyllaceae C S-Europe
Clematis vitalba Ranunculaceae N Europe
Conyza canadensis Asteraceae T North America
Cornus alba Cornaceae N E-Asia
Cornus sericea Cornaceae N North America
Cotoneaster divaricatus Rosaceae N Asia
Cotoneaster lucidus Rosaceae N Asia
Cuscuta campestris Cuscutaceae T North America
Dittrichia graveolens Asteraceae T Mediterranean
Duchesnea indica Rosaceae H Asia
Epilobium ciliatum Onagraceae H North America
Erigeron annuus Asteraceae T North America
Fallopia japonica Polygonaceae G Asia
Fallopia sachalinensis Polygonaceae G Asia
Fallopia x bohemica Polygonaceae G Hybrid
Gunnera tinctoria Gunneraceae G South America
Helianthus tuberosus Asteraceae G North America
Heracleum mantegazzianum Apiaceae H Caucasus
Heracleum persicum Apiaceae H W-Asia
Impatiens glandulifera Balsaminaceae T India
Impatiens parviflora Balsaminaceae T Asia
Laburnum alpinum Fabaceae N Europe
Lamium galeobdolon Lamiaceae C Cultivated plant
Linaria repens Scrophulariaceae G Europe
Lonicera involucrata Caprifoliaceae N North America
Lonicera japonica Caprifoliaceae  N E-Asia
Lotus corniculatus Fabaceae H Europe
Lupinus nootkatensis Fabaceae H North America
Lupinus perennis Fabaceae H North America
Lupinus polyphyllus Fabaceae H North America
Malus domestica Rosaceae M Cultivated plant
Matricaria discoidea Asteraceae T North America
Medicago sativa ssp. sativa Fabaceae H Asia
Melilotus albus Fabaceae T S-Europe, W-Europe
Myrrhis odorata Apiaceae H Europe
Odontites verna Scrophulariaceae T Europe
Oenothera biennis Onagraceae H North America
Panicum dichotomiflorum Poaceae T North America
Parthenocissus quinquefolia Vitaceae N North America
Persicaria wallichii Polygonaceae G Himalaya
Petasites japonicus Asteraceae H Asia
Phedimus spurius Crassulaceae C Caucasus
Physocarpus opulifolius Rosaceae N North America
Pinus sylvestris Pinaceae M S-Europe
Populus × canadensis Salicaceae M Hybrid
Prunus laurocerasus Rosaceae N Caucasus
Prunus serotina Rosaceae M North America
Rhododendron ponticum Ericaceae N Caucasus
Robinia pseudoacacia Fabaceae M North America
Rosa rugosa Rosaceae N E-Asia
Rudbeckia laciniata Asteraceae H North America
Sambucus racemosa Caprifoliaceae N Europe
Senecio inaequidens Asteraceae S South Africa
Senecio leucanthemifolius Asteraceae T E-Europe, W-Asia
Solidago canadensis Aceraceae H North America
Solidago gigantea Asteraceae H North America
Sorbaria sorbifolia Rosaceae N Asia
Sorbus mougeotii Rosaceae N Europe
Spiraea x billardii Rosaceae N Hybrid
Sporobolus neglectus Poaceae T North America
Symphyotrichum lanceolatum Asteraceae H North America
Syringa vulgaris Oleaceae N SW-Europe
Trifolium pratense subsp. sativum Fabaceae H Europe
Verbascum speciosum Scrophulariaceae H Europe
Vinca minor Apocynaceae C Europe, Asia
Viola odorata Violaceae H Europe