Pennisetum macrourumA perennial, clump-forming grass.
Xanthium spinosumAnnual herb - can grow up to one metre.
Chrysanthemoides moniliferaAlso known as Saltbush
Buddleja davidiiAlso known as butterfly bush or summer lilac is a river bed and streamside invader.
Information on common climbing pest plants - what to look for and control methods.
Find aquatic - freshwater weeds for Northland.
Information on common ground cover pest plants found in Northland.
Pultenaea daphnoidesA medium-sized shrub, growing to three metres high.
Zizania latifoliaDense mat-forming perennial grass.
Carduus nutanAnnual herb - can grow up to one metre.
Senecio jacobaeaToxic to stock, especially cattle and horses
Details on some common pest trees and shrubs in Northland.