Flower-heads white, sometimes pinkish, yellow disc florets. Grey-green leaves,
very finely divided. Many narrow linear segments. Erect flower stem, un-branched,
woolly, grooved. Numerous creeping shoots. Flower stems: 8-40 cm.
Abundant. Widespread on dry ground, roadsides, banks, waste ground, fields.
Related: Sneezewort, A. ptarmica. Heads of white flowers with yellow-green
centres (like larger yarrow flowers).