Selfheal
Prunella vulgaris L.
Plant family: Lamiaceae 
Biologic group: Perennial with fibrous roots

Winter cress
Urtica urens L.
Plant family: Urticaceae 
Biologic group: Summer annual

Cornflower
Centaurea cyanus L.
Plant family: Asteraceae 
Biologic group: Winter annual

Common Poppy
Papaver rhoeas L.
Plant family: Papaveraceae 
Biologic group: Winter annual

Black nightshade
Solanum nigrum L.
Plant family: Solanaceae 
Biologic group: Summer annual