Species
The following species are recognised in the genus ''Ptychostomum'': *''Ptychostomum acutiforme'' *''Ptychostomum altisetum'' *''Ptychostomum amblyodon'' *''Ptychostomum angustifolium'' *''Ptychostomum archangelicum'' *''Ptychostomum arcticum'' *''Ptychostomum austriacum'' *''Ptychostomum badium'' *''Ptychostomum bimum'' *''Ptychostomum bornholmense'' *''Ptychostomum bryoides'' *''Ptychostomum calophyllum'' *''Ptychostomum cellulare'' *''Ptychostomum cernuum'' *''Ptychostomum chorizodontum'' *''Ptychostomum compactum'' *''Ptychostomum creberrimum'' *''Ptychostomum cryophilum'' *''Ptychostomum cyclophyllum'' *''Ptychostomum cylindrothecium'' *''Ptychostomum dicarpum'' *''Ptychostomum donianum'' *''Ptychostomum elegans'' *''Ptychostomum funkii'' *''Ptychostomum hawaiicum'' *''Ptychostomum imbricatulum'' *''Ptychostomum inclinatum'' *''Ptychostomum intermedium'' *''Ptychostomum knowltonii'' *''Ptychostomum lamprochaete'' *''Ptychostomum lonchocaulon'' *''Ptychostomum longisetum'' *''Ptychostomum marratii'' *''Ptychostomum meesioides'' *''Ptychostomum minii'' *''Ptychostomum moravicum'' *''Ptychostomum neodamense'' *''Ptychostomum nitidulum'' *''Ptychostomum ovatum'' *''Ptychostomum pacificum'' *''Ptychostomum pallens'' *''Ptychostomum pallescens'' *''Ptychostomum pauperculum'' *''Ptychostomum pendulum'' *''Ptychostomum pseudotriquetrum'' *''Ptychostomum reedii'' *''Ptychostomum rubens'' *''Ptychostomum rutilans'' *''Ptychostomum salinum'' *''Ptychostomum schleicheri'' *''Ptychostomum sibiricum'' *''Ptychostomum subneodamense'' *''Ptychostomum torquescens'' *''Ptychostomum touwii'' *''Ptychostomum turbinatum'' *''Ptychostomum vermigerum'' *''Ptychostomum vernicosum'' *''Ptychostomum warneum'' *''Ptychostomum weigelii'' *''Ptychostomum wrightii''References
Bryaceae Moss genera {{bryidae-stub