灰藓属
下属物种

本属包括以下物种：
Hypnum aemulans Breidler in Limpricht, 1899
Hypnum alternans Bridel, 1801
Hypnum aluminicola C. Müller, 1851
Hypnum amabile Hampe, 1869
Hypnum andoi A. J. E. Smith, 1981 [1982]
Hypnum austrostramineum C. Müller in Neumayer, 1890
镰叶灰藓 Hypnum bambergeri W. P. Schimper, 1860
Hypnum bicolor Bélanger, 1834
Hypnum bizotii Ochyra, 1984
Hypnum boryanum Schwaegrichen, 1816
Hypnum brachythecium Hampe & Lorentz, 1868
钙生灰藓 Hypnum calcicola Ando, 1958
尖叶灰藓 Hypnum callichroum Bridel, 1827
Hypnum campoanum Brotherus, 1925
Hypnum caperatum Jaeger, 1880
Hypnum cariosum Roy in Austin, 1878
Hypnum cataractarum Sendtner, 1840
Hypnum celatum Jaeger, 1880
Hypnum chrysogaster C. Müller, 1851
拳叶灰藓 Hypnum circinale W. J. Hooker, 1819
柏狀灰蘚 Hypnum cupressiforme Hedwig, 1801
Hypnum curvifolium Hedwig, 1801
Hypnum deflectens Stirton, 1910
密枝灰蘚 Hypnum densirameum Ando, 1957
Hypnum dieckei Renauld & Cardot, 1890,
Hypnum eccremocarpum C. Müller, 1851
Hypnum emodi-fertile Brotherus ex Ando, 1973
傅氏灰藓 Hypnum fauriei Cardot, 1904，东亚灰藓
多蒴灰藓 Hypnum fertile Sendtner, 1841
Hypnum formianum (Fiorini-Mazzanti) W. P. Schimper, 1876
Hypnum franchetti W. P. Schimper ex Bescherelle, 1893
Hypnum freuchenianum Hornschuch, 1825
Hypnum fuegianum (Mitten) C. Müller, 1885
长喙灰藓 Hypnum fujiyamae Paris, 1900
Hypnum gebhardii Sprengel, 1807
Hypnum gelidum (Bryhn) H. A. Möller, 1907
Hypnum geminum Lesquereux & T. P. James, 1884
Hypnum gracilirameum C. Müller ex Renauld, 1898
Hypnum hampei Kindberg, 1888
弯叶灰藓 Hypnum hamulosum W. P. Schimper in B.S.G., 1854，多生长在树基。
Hypnum hercynicum (Milde) Hampe, 1873
Hypnum heseleri Ando & Higuchi, 1994
Hypnum hildebrandtii C. Müller, 1876
Hypnum holmenii Ando, 1994
Hypnum imponens Hedwig, 1801
Hypnum imponentiforme Kindberg, 1900
Hypnum inflectens Bridel, 1812
Hypnum intortoplicatum Lobarzewski, 1847
Hypnum jutlandicum Holmen & Warncke in Damsholt, Holmen & Warncke, 1969
屈尺灰藓 Hypnum kushakuense Cardot, 1905，凹叶灰藓
Hypnum lamarckii Lamarck & A. P. de Candolle, 1805
美灰藓 Hypnum leptothallum (Müll. Hal.) Paris
Hypnum lutescens (Philibert in Husnot) H. A. Möller, 1907
粗雌灰蘚 Hypnum macrogynum Bescherelle, 1892，长蒴灰藓
Hypnum moenkemeyeri C. Müller, 1886
Hypnum mukahivense W. P. Schimper in Jardin, 1875
Hypnum napoanum De Notaris, 1859
Hypnum nelsonii Paris, 1896
Hypnum nervosum Palisot de Beauvois, 1818
Hypnum obsoletinerve Kindberg, 1905
南亚灰藓 Hypnum oldhamii Jaeger, 1880
黃灰蘚 Hypnum pallescens Palisot de Beauvois, 1805
Hypnum patulum C. Müller, 1847
Hypnum pensilvanicum Poiret in Lamarck, 1813
Hypnum plicaefolium Paris, 1900
Hypnum plicatulum Jaeger, 1880
大灰藓 Hypnum plumaeforme Wilson, 1848
Hypnum pratense J. Koch ex Spruce, 1845
Hypnum procerrimum Molendo, 1866
Hypnum pseudosplendens Hampe, 1867
Hypnum punae (C. Müller) Paris, 1900
Hypnum radiatum Schwaegrichen, 1816
多毛灰藓 Hypnum recurvatum Kindberg, 1891
Hypnum resupinatum Taylor in Spruce, 1849
卷叶灰藓 Hypnum revolutum Lindberg, 1867 [1866]，生于林下，土生或岩面薄土生。
Hypnum rigidum Reinwardt & Hornschuch, 1829
Hypnum riparioides Hampe, 1870
Hypnum rotula Schwaegrichen in Gaudichaud in Freycinet, 1828
Hypnum rubricaule Bridel, 1827
Hypnum saitoi Ando, 1982
湿地灰藓 Hypnum sakuraii Ando, 1958，樱井灰藓
Hypnum sauteri W. P. Schimper in Sauter, 1850
Hypnum saxetorum Mitten, 1859
Hypnum schiedeanum C. Müller, 1851
Hypnum setschwanicum Ando, 1973
Hypnum sikkimense Ando, 1968
Hypnum siphotheca C. Müller, 1858
Hypnum skottsbergii Ando in Ando & Matteri, 1982
Hypnum speciosum C. Müller, 1845
Hypnum spegazzinii C. Müller, 1885
Hypnum subchrysogaster Paris, 1900
温带灰藓 Hypnum subimponens Lesquereux, 1865
拟梳灰藓 Hypnum submolluscum Bescherelle, 1892
Hypnum subpinnatum Hampe, 1881
Hypnum subreptile Paris, 1900
Hypnum thouinii Schwaegrichen, 1830
Hypnum tristoviride Paris, 1900
Hypnum uii Brotherus ex Iishiba, 1932
Hypnum uncinulatum Juratzka, 1866
Hypnum usagarum Mitten, 1886
直叶灰藓 Hypnum vaucheri Lesquereux, 1846
Hypnum vernicosum Hampe, 1836
Hypnum wilhelmense E. B. Bartram, 1962