Hairy bittercress, Cardamine hirsuta, is an ephemeral plant native to Europe and Asia, but also present in North America. The plant is a member of the mustard family (Brassicaceae), and is edible as a bitter herb. It flowers from quite early in the Spring until the Autumn. The small white flowers are borne in a corymb on wiry green stems, soon followed by the seeds and often continuing to flower as the first seeds ripen. The...