Here is a list of species listed on S9 Wildlife and Countryside Act 1981, or The invasive Alien Species (Enforcement & Permitting) Order 2019:

Variegated Yellow Archangel (Lamiastrum galeobdolon subsp. argentatum)

Himalayan Balsam (Impatiens glandulifera)

Entire-leaved Cotoneaster (Cotoneaster integrifolius)

Giant Knotweed (Fallopia sachalinensis)

Japanese Knotweed (Fallopia japonica)

Montbretia (Crocosmia x crocosmiaflora)

Rhododendron (Rhododendron ponticum x Rhododendron maximum & Rhododendron ponticum)

Japanese Rose (Rosa rugosa)

Perfoliate Alexanders (Smyrnium perfoliatum)

Yellow Azalea (Rhododendron luteum)

Himalayan Balsam (Impatiens glandulifera)

Cotoneaster (Cotoneaster horizontalis)

Himalayan Cotoneaster (Cotoneaster simonsii)

Hollyberry Cotoneaster (Cotoneaster bullatus)

Small leaved Cotoneaster (Cotoneaster microphyllus)

False Virginia Creeper (Parthenocissus inserta)

Virginia Creeper (Parthenocissus quinquefolia)

Purple Dueplant (Disphyma crassifolium)

Hottentot Fig (Carpobrotus edulis)

Three-cornered Garlic (Allium triqetrum)

Hybrid Knotweed (Fallopia japonica x Fallopia sachalinensis)

Few-flowered Leek (Allium paradoxum)

Giant Rhubarb (Gunnera tinctoria)

Giant Hogweed (Heracleum mantegazzianum)

Whilst every effort has been made to ensure that this information is correct we advise you to check current legislation. The legislation in the various nations of the UK differs slightly and this is based on England and Wales.