New Zealand plant invades our coast

Pirri-Pirri Bur in flower. Picture by Raine Bryant.
Pirri-Pirri Bur in flower. Picture by Raine Bryant.

Volunteers and the Lindisfarne National Nature Reserve team have been mapping and removing pirri-pirri bur, an invasive alien plant species which hails from New Zealand, from the dunes of the north Northumberland coast this week.