(Plagiobryum demissum)
Red hump moss ( Plagiobryum demissum ) is a bladmossart described by Lindberg 1863. Red hump moss included in the genus hump mosses , and family bryaceae .According to the Finnish Red List , the species is endangered in Finland . According to the Swedish red list is a species insufficiently studied in Sweden. The species occurs in Norrland and Upper Norrland . The species' natural habitat is limestone rocks , limestone quarries.No subspecies are listed in the Catalog of Life .