Pedicularis canadensis L. ssp. canadensis
wood betony, Canadian lousewort, common lousewort
wood betony, Canadian lousewort, common lousewort
May 17,
Stony Brook Reservation, Boston
Leaves of wood betony are deeply divided, extremely hairy; the lower ones are on rather long petioles, which makes it different from some other species of North American Pedicularis .