Subclass Dicranidae can be distinguished sporophytically: the peristome teeth are haplolepideous with a 4:2:3 formula, and an exostome is commonly absent.           SPECIES: Ceratodon purpureus Dicranella heteromalla Dicranoweisia cirrata Dicranum scoparium Dicranum tauricum Fissidens limbatus Grimmia pulvinata Racomitrium elongatum … Continue reading Subclass Dicranidae