Ranunculus pygmaeus
 Ranunculus pygmaeus (the pygmy buttercup or dwarf buttercup) is a species of buttercup found throughout the Arctic as well as in the mountains of Norway and the Rocky Mountains. A few populations also exist in the Eastern Alps and Tatra Mountains.It is a small plant prostrate-ascending 1-5 cm tall. The stems are single-flowered with the basal leaves numerous. The leaves are deeply cleft into 3-5 lobes. The flowers are 5-6 mm in diameter with five pale yellow petals and five hairy sepals.