1. Pirri-pirri bur at Foveran Links SSSI
Daryl Short
Reserve Officer
Forvie National Nature Reserve

2. Scottish Natural Heritage

3. Acaena novae-zelandiae
Native to New Zealand
Originally introduced via sheep’s wool, or as garden ‘escape’?
Other similar species also ‘escape’ – some more invasive than others!

7. Discovered at Foveran in 2012
Initially few patches, but many more subsequently found
Appeared to have already been established for several years

9. Treatment started immediately
Flower- & seed-heads removed
Plants spot-sprayed with 2% glyphosate (Roundup)
At least 2 applications required
c.95% kill rate
Follow-up essential!

10. Conclusion Treatment is ongoing – effective so far
Very labour-intensive
Persistence is key!