Potentilla anserina subsp. groenlandica Tratt.

Stems glabrous. Leaves horizontal or ascending, rarely erect, (1–)2–10 cm, rarely longer; leaflets 2–4(–5) per side, separate, teeth 2–6(–10) per side, teeth apex rounded to subacute, surfaces: abaxial with long hairs absent or sparse, on veins, cottony-crisped hairs absent, sometimes sparse to dense, adaxial glabrous. Flowers 0.8–1.5 cm diam.; epicalyx bractlets narrowly to broadly ovate-triangular, shorter than sepals, entire; hypanthium patelliform (wider than deep) in fruit; petals not overlapping, elliptic; carpels 25–60. Achenes without dorsal groove. 2n = 28, 35, 42.

It is a cool temperate plant. It grows in coastal sands and freshwater marshes.

The roots are cooked and eaten or dried and stored. They are used in salads and in sandwiches.