Gardening without harmful invasive plants : a guide to plants you can use in place of invasive non-natives.
Royal Horticultural Society (Great Britain)
Plantlife.
Natural Scotland.
Esmée Fairbairn Foundation.
Great Britain.Department for Environment, Food & Rural Affairs.
London : RHS ; Salisbury : Plantlife,
c2010.
"A Plantlife/RHS guide."
Native plant gardening
Native plants for cultivation