crinkleroot: North American herb with pungent scaly or toothed roots
bittercress: any of various herbs of the genus Cardamine, having usually pinnate leaves and racemes of white, pink or purple flowers; cosmopolitan except Antarctic
drosophyllum lusitanicum: perennial of dry habitats whose leaves have glandular hairs that secrete adhesive and digestive fluid for capture and digestion of insects; Portugal, southern Spain and Morocco