Pedicularis dasyantha (woolly lousewort or arctic hairy lousewort) is a plant native to the high arctic areas of Svalbard, Novaya Zemlya and the bordering mainland, and the western Taymyr Peninsula. In Svalbard it is restricted to the main island, Spitsbergen.It grows to 10–15 cm tall, with a stout stem, single or a few together, from a thick, yellow taproot. The basal leaves are numerous and pinnately divided into many remote segments.