Pedicularis palustris, commonly known as marsh lousewort, is a plant species in the family Orobanchaceae. It is native to central and northern Europe and Asia where it grows in wetlands and boggy habitats. The International Union for Conservation of Nature has assessed its conservation status as being of least concern.
The nominate subspecies P. palustris palustris, which occurs in the west of the range, is a straggly biennial herb with a much-branched, usually erect stem up to 60 cm (24 in) tall. ...