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Non-native Plant
Rosa ×dumetorum
Non-native Plant
Rosa ×damascena
Non-native Plant
Rorippa crystallina
Non-native Plant
Rosa cinnamomea
Non-native Plant
Rosa centifolia
Non-native Plant
Rorippa cantoniensis
Non-native Plant
Rosa ×borboniana
Non-native Plant
Rorippa austriaca
Non-native Plant
Rorippa amphibia
Non-native Plant
Rosa ×alba
Non-native Plant
Richardia humistrata
Non-native Plant
Richardia grandiflora
Non-native Plant
Rhagadiolus stellatus
Non-native Plant
Rhinanthus serotinus
Non-native Plant
Rheum rhabarbarum
Non-native Plant
Rhodanthe
