Children (16 direct children, 24 direct and indirect children):
Polytrichastrum formosum
(tree size 2)
Bank haircap moss
Polytrichastrum alpinum
(tree size 4)
Alpine polytrichastrum moss
Polytrichastrum pallidisetum
Polytrichum moss
Polytrichastrum norwegicum
Polytrichastrum appalachianum
Appalachian polytrichum moss
Polytrichastrum longisetum
Polytrichastrum alpiniforme
Polytrichastrum ohioense
Ohio polytrichum moss
Polytrichastrum papillatum
Papilla polytrichum moss
Polytrichastrum sexangulare
(tree size 2)
Northern haircap
Polytrichastrum sphaerothecium
Polytrichastrum tenellum
Polytrichastrum xanthopilum
Polytrichastrum altaicum
Polytrichastrum emodi
Polytrichastrum torquatum