(Polytrichastrum) (Polytrichastrum) is a biological genus in the family Polytrichaceae and order Polytrichales.
Polytrichastrum alpinum
Polytrichastrum appalachianum
Polytrichastrum formosum
Polytrichastrum longisetum
Polytrichastrum ohioense
Polytrichastrum pallidisetum
Polytrichastrum papillatum
Polytrichastrum sexangulare
Atrichum
Bartramiopsis
Dawsonia
Lyellia
Meiotrichum
Oligotrichum
Pogonatum
Polytrichastrum
Polytrichum
Psilopilum