Pedicularis sudetica, common names of which are fernweed, Sudeten lousewort, Sedetic lousewort, and Sudetic lousewort is a species of flowering plant from the order of Lamiales which is native to Northern Europe but can now be found in such US states as Alaska, Colorado, New Mexico, Wyoming, and Canada since it was introduced there. The plant is both perennial and bisexual. It grows 0.3 metres (1 ft 0 in) high with the flowers being hermaphrodite.