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Non-native Plant
Watsonia borbonica
Non-native Plant
Utricularia stygia
Non-native Plant
Urtica urens
Non-native Plant
Urospermum picroides
Non-native Plant
Urospermum
Non-native Plant
Urtica dioica dioica
Non-native Plant
Urtica dioica
Non-native Plant
Urtica ballotifolia
Non-native Plant
Ulmus pumila × rubra
Non-native Plant
Ulmus pumila
Non-native Plant
Ulmus procera
Non-native Plant
Ulmus parvifolia
Non-native Plant
Ulmus glabra
