(Ptychostomum) (Ptychostomum) is a biological genus in the family Bryaceae and order Bryales.
Ptychostomum acutiforme
Ptychostomum archangelicum
Ptychostomum arcticum
Ptychostomum bimum
Ptychostomum calophyllum
Ptychostomum cernuum
Ptychostomum creberrimum
Ptychostomum cryophilum
Ptychostomum cyclophyllum
Ptychostomum inclinatum
Ptychostomum intermedium
Ptychostomum knowltonii
Ptychostomum lonchocaulon
Ptychostomum longisetum
Ptychostomum marratii
Ptychostomum meesioides
Ptychostomum neodamense
Ptychostomum nitidulum
Ptychostomum pallens
Ptychostomum pallescens
Ptychostomum pendulum
Ptychostomum pseudotriquetrum
Ptychostomum reedii
Ptychostomum rutilans
Ptychostomum salinum
Ptychostomum schleicheri
Ptychostomum subneodamense
Ptychostomum turbinatum
Ptychostomum warneum
Ptychostomum weigelii
Ptychostomum wrightii
Anomobryum
Brachymenium
Bryum
Gemmabryum
Haplodontium
Imbribryum
Leptostomopsis
Mniobryoides
Plagiobryoides
Plagiobryum
Ptychostomum
Rhodobryum
Rosulabryum