Non-native Plant
Cogswell’s Hawthorn

Crataegus ×cogswellii

perennial

shrub

Non-native Plant
Cola

Cola

perennial

tree

Non-native Plant
Colchis Ivy

Hedera colchica

perennial

vine

Non-native Plant
Colocynth

Citrullus colocynthis

annual

vine

Non-native Plant
Colutea

Colutea

perennial

shrub

Non-native Plant
Comb-leaf Philodendron

Philodendron pinnatifidum

perennial

vine

Non-native Plant
Combretum

Combretum

perennial

vine

Non-native Plant
Common Asparagus Fern

Asparagus setaceus

perennial

vine

Non-native Plant
Common Barberry

Berberis vulgaris

perennial

shrub

Non-native Plant
Common Box

Buxus sempervirens

perennial

shrub

Non-native Plant
Common Buckthorn

Rhamnus cathartica

perennial

shrub

Non-native Plant
Common Bushweed

Flueggea virosa

perennial

shrub

Non-native Plant
Common Filbert

Corylus avellana

perennial

shrub

Non-native Plant
Common Gorse

Ulex europaeus

perennial

shrub

Non-native Plant
Common Hop

Humulus lupulus

perennial

vine

Non-native Plant
Common Hop

Humulus lupulus var. lupulus

perennial

vine

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