| Bryaceae | |
Bryum abbreviatum
| Hampe | Vidensk. Meddel. Dansk Naturhist. Foren. Kjøbenhavn ser. 4, 1–2: 103 | 1879 |
| Bryaceae | |
Bryum abditum
| R.S. Williams | Philipp. Mosses 348 | 1914 |
| Bryaceae | |
Bryum abduanum
| Rota | Atti Reale Univ. Genova 1: 754 | 1869 |
| Bryaceae | |
Bryum aberrans
| Hampe | Vidensk. Meddel. Dansk Naturhist. Foren. Kjøbenhavn ser. 3, 9–10: 260 | 1878 |
| Bryaceae | ** |
Bryum abreviatum
| Hampe | Vidensk. Meddel. Dansk Naturhist. Foren. Kjøbenhavn ser. 4, 1–2: 103 | 1879 |
| Bryaceae | |
Bryum abruptinervium
| Müll. Hal. | Hedwigia 37: 102 | 1898 |
| Bryaceae | |
Bryum abyssinicum
| Bruch & Schimp. ex Müll. Hal. | Syn. Musc. Frond. 1: 265 | 1848 |
| Bryaceae | |
Bryum acanthoneuron
| Ångstr. | Öfvers. Kongl. Vetensk.-Akad. Förh. 33(4): 20 | 1876 |
| Bryaceae | ** |
Bryum acaulon
| Dicks. | Nomencl. Bot. 2: 85 | 1824 |
| Bryaceae | |
Bryum aciculare
| (Hedw.) L. ex Funck | Allg. Lit.-Zeitung (Jena) 1801(38): 301 | 1801 |
| Bryaceae | ** |
Bryum aciculariforme
| Hoffm. | Deutschl. Fl. 2(Add. 2): [6] | 1795 [1796] |
| Bryaceae | |
Bryum aciculinum
| Kindb. | Eur. N. Amer. Bryin. 2: 355 | 1897 |
| Bryaceae | * |
Bryum aciphyllum
| (F. Weber & D. Mohr) Voit | Deutschl. Fl., Abt. II, Cryptog. 12: [9], ic | 1812 |
| Bryaceae | ** |
Bryum acithecium
| Müll. Hal. | Gen. Musc. Frond. 203 | 1900 |
| Bryaceae | |
Bryum aculeatum
| Jørg. | Forh. Vidensk.-Selsk. Kristiania 1894(8): 80 | 1894 |
| Bryaceae | ! |
Bryum acuminatissimum
| (Müll. Hal.) Broth. | Nat. Pflanzenfam. I(3): 597 | 1904 |
| Bryaceae | ** |
Bryum acuminatulum
| Müll. Hal. | Index Bryol. 1343 | 1898 |
| Bryaceae | ** |
Bryum acuminatum
| Sw. | Prodr. 139 | 1788 |
| Bryaceae | |
Bryum acuminatum
| (Hornsch.) Bruch & Schimp. | Bryol. Eur. 4: 91 (fasc. 6--9 Monogr. 21) | 1839 |
| Bryaceae | * |
Bryum acuminatum
| Sim | Trans. Roy. Soc. South Africa 15: 336. illustration | 1926 |
| Bryaceae | |
Bryum acunae
| Thér. | Mem. Soc. Cub. Hist. Nat. "Felipe Poey" 13: 278. 35 f.1 | 1939 |
| Bryaceae | ** |
Bryum acutatum
| Broth. | Bryoth. Fenn. 2: 8 | 1911 |
| Bryaceae | ! |
Bryum acutifolium
| (Thér.) Arts | J. Bryol. 19: 76 | 1996 |
| Bryaceae | |
Bryum acutiforme
| Limpr. ex Ryan | Tromsø Mus. Aarsh. 21–22(2): 156–160 | 1901 [1902] |
| Bryaceae | |
Bryum acutiusculum
| Müll. Hal. | Flora 70: 220 | 1887 |
| Bryaceae | |
Bryum acutum
| (Hedw.) Huds. ex With. | Syst. Arr. Brit. Pl. (ed. 4) 3: 806 | 1801 |
| Bryaceae | * |
Bryum acutum
| Lindb. | Finland 1885(290): 2 | 1885 |
| Bryaceae | ** |
Bryum aegypti
| Hasselq. | Iter Palaest. 502 | 1757 |
| Bryaceae | ** |
Bryum aelandicum
| H. Philib. | Rev. Bryol. 27: 23 | 1900 |
| Bryaceae | |
Bryum aeneum
| Blytt ex Bruch & Schimp. | Bryol. Eur. 4: 156, 338 (fasc. 32 Mon. Suppl. 1. 4) | 1846 |
| Bryaceae | ! |
Bryum aequabile
| Müll. Hal. | Linnaea 43: 368 | 1882 |
| Bryaceae | |
Bryum aequicollum
| Broth. & Watts | Proc. Linn. Soc. New South Wales 40: 372 | 1915 |
| Bryaceae | |
Bryum aeruginosum
| Müll. Hal. | Hedwigia 37: 95 | 1898 |
| Bryaceae | ** |
Bryum aerugo
| Dusén | Rep. Princeton Univ. Exp. Patagonia, Bot. 8(3): 122 | 1903 |
| Bryaceae | ** |
Bryum aestivum
| F. Weber | Nomencl. Bot. 2: 85 | 1824 |
| Bryaceae | |
Bryum aestivum
| (Hedw.) With. | Syst. Arr. Brit. Pl. (ed. 4) 3: 809 | 1801 |
| Bryaceae | * |
Bryum affine
| F.W. Schultz | Flora 54: 456 | 1871 |
| Bryaceae | |
Bryum affine
| J.F. Gmel. ex Brot. | Fl. Lusit. 2: 411 | 1804 |
| Bryaceae | * |
Bryum affine
| (Blandow) Brid. | Muscol. Recent. Suppl. 4: 119 | 1819 [1818] |
| Bryaceae | ** |
Bryum affine
| (Lindb.) Lindb. & Arnell | Kongl. Svenska Vetensk. Acad. Handl., n.s. 23(10): 43 | 1890 |
| Bryaceae | |
Bryum affinocuspidatum
| Wijk & Margad. | Buxbaumia 1: 51 | 1947 |
| Bryaceae | ** |
Bryum africanum
| Bruch & Schimp. | Gen. Musc. Frond. 228 | 1900 |
| Bryaceae | |
Bryum afroalpinum
| Rehmann ex Müll. Hal. | Hedwigia 38: 73 | 1899 |
| Bryaceae | ** |
Bryum afrobillardieri
| Dixon | Trans. Roy. Soc. South Africa 15: 336 | 1926 |
| Bryaceae | ! |
Bryum afrocalophyllum
| P. de la Varde | Ark. Bot., n.s. 3: 157. f. 15 | 1955 |
| Bryaceae | |
Bryum afrocrudum
| Müll. Hal. | Flora 73: 478 | 1890 |
| Bryaceae | ** |
Bryum afrodimorphum
| Paris | Index Bryol. (ed. 2) 1: 179 | 1904 |
| Bryaceae | ** |
Bryum afrojulaceum
| Müll. Hal. | Index Bryol. Suppl. 57 | 1900 |
| Bryaceae | |
Bryum afrolitorale
| Müll. Hal. | Bot. Jahrb. Syst. 5: 88 | 1883 |
| Bryaceae | |
Bryum afronutans
| Müll. Hal. | Hedwigia 38: 76 | 1899 |
| Bryaceae | |
Bryum afroplumosum
| Broth. & Paris | Rev. Bryol. 31: 46 | 1904 |
| Bryaceae | ** |
Bryum afroturbinatum
| Rehmann | Rev. Bryol. 5: 70 | 1878 |
| Bryaceae | |
Bryum agattuense
| H. Philib. | Rev. Bryol. 28: 35 | 1901 |
| Bryaceae | |
Bryum aggregatum
| Müll. Hal. | Bull. Herb. Boissier 5: 181 | 1897 |
| Bryaceae | ** |
Bryum agrarium
| Sw. | Prodr. 139 | 1788 |
| Bryaceae | ! |
Bryum alandense
| Bom. | Acta Soc. Fauna Fl. Fenn. 18(4): 73 | 1900 |
| Bryaceae | |
Bryum alandicum
| Bom. | Rev. Bryol. 23: 90 | 1896 |
| Bryaceae | |
Bryum alaskanum
| Kindb. | Eur. N. Amer. Bryin. 2: 381 | 1897 [1898] |
| Bryaceae | * |
Bryum albicans
| (Wahlenb.) Röhl. | Deutschl. Fl. (ed. 2), Kryptog. Gew. 3: 92 | 1813 |
| Bryaceae | |
Bryum albidum
| (Hedw.) P. Beauv. | Prodr. Aethéogam. 45 | 1805 |
| Bryaceae | * |
Bryum albidum
| Copp. | Bull. Soc. Sci. Nancy, ser. 3, 12(4): 11 | 1911 |
| Bryaceae | * |
Bryum albidum
| Broth. | Biblioth. Bot. 87: 84 | 1916 |
| Bryaceae | ** |
Bryum albimargo
| Müll. Hal. | Index Bryol. Suppl. 37 | 1900 |
| Bryaceae | |
Bryum alboimbricatum
| Ochi | J. Fac. Educ. Tottori Univ., Nat. Sci. 29: 106 | 1980 |
| Bryaceae | |
Bryum albolimbatum
| Hampe ex A. Jaeger | Ber. Thätigk. St. Gallischen Naturwiss. Ges. 1873–74: 191 (Gen. Sp. Musc. 1: 653) | 1875 |
| Bryaceae | * |
Bryum albolimbatum
| Cardot | Hist. Phys. Madagascar, Mousses 298 | 1915 |
| Bryaceae | ! |
Bryum albomarginatum
| Cardot ex Thér. | Recueil Publ. Soc. Havraise Études Diverses 92: 137 | 1925 |
| Bryaceae | ! |
Bryum albopulvinatum
| Müll. Hal. | Flora 69: 507 | 1886 |
| Bryaceae | |
Bryum albulanum
| J.J. Amann | Fl. Mouss. Suisse 2: 219 | 1918 |
| Bryaceae | ! |
Bryum albulum
| Mitt. | J. Proc. Linn. Soc., Bot., Suppl. 1: 69 | 1859 |
| Bryaceae | |
Bryum album
| (Lindb. & Arnell) Müll. Hal. | Gen. Musc. Frond. 222 | 1900 |
| Bryaceae | ! |
Bryum alexandri
| H. Philib. | Rev. Bryol. 27: 57 | 1900 |
| Bryaceae | |
Bryum algens
| Cardot | Natl. Antarct. Exped., Nat. Hist., Musci 5. pl. 2 | 1907 |
| Bryaceae | ! |
Bryum algovicum
| Sendtn. ex Müll. Hal. | Syn. Musc. Frond. 2: 569 | 1851 |
| Bryaceae | |
Bryum allalinense
| J.J. Amann | Bull. Murith. Soc. Valais. Sci. Nat. 39: 354 | 1916 |
| Bryaceae | |
Bryum allionii
| Broth. | Rev. Bryol. 47: 11 | 1920 |
| Bryaceae | |
Bryum alolense
| Dixon | J. Bot. 80: 8 | 1942 |
| Bryaceae | |
Bryum alpicola
| Broth. | Symb. Sin. 4: 57 | 1929 |
| Bryaceae | ! |
Bryum alpiniforme
| Kindb. | Cat. Canad. Pl., Musci 271 | 1892 |
| Bryaceae | |
Bryum alpinulum
| Besch. | Ann. Sci. Nat., Bot., sér. 6, 10: 238 | 1880 |
| Bryaceae | ! |
Bryum alpinum
| Huds. ex With. | Syst. Arr. Brit. Pl. (ed. 4) 3: 824 | 1801 |
| Bryaceae | * |
Bryum alpinum
| (Hornsch.) Brid. | Bryol. Univ. 1: 626 | 1826 |
| Bryaceae | ! |
Bryum altaicum
| Broth. | Rev. Bryol., n.s. 2: 4 | 1929 |
| Bryaceae | |
Bryum alteannulatum
| H. Winter | Hedwigia 49: 30. 9 f. 5 | 1910 |
| Bryaceae | |
Bryum alteoperculatum
| Besch. | Ann. Sci. Nat., Bot., sér. 6, 10: 234 | 1880 |
| Bryaceae | ** |
Bryum alternans
| Haller ex Schwägr. | Sp. Musc. Frond. 42 | 1830 |
| Bryaceae | |
Bryum alticaule
| Müll. Hal. | Bot. Jahrb. Syst. 5: 83 | 1883 |
| Bryaceae | ** |
Bryum altisetulum
| Müll. Hal. | Index Bryol. Suppl. 56 | 1900 |
| Bryaceae | ! |
Bryum altisetum
| Müll. Hal. | Hedwigia 37: 96 | 1898 |
| Bryaceae | |
Bryum altissimum
| Müll. Hal. | Gen. Musc. Frond. 240 | 1900 |
| Bryaceae | ** |
Bryum altocristatum
| Besch. | Gen. Musc. Frond. 208 | 1900 |
| Bryaceae | ** |
Bryum altolimbatum
| Mitt. ex Paris | Index Bryol. (ed. 2) 1: 181 | 1904 |
| Bryaceae | |
Bryum altopedunculatum
| Müll. Hal. | Gen. Musc. Frond. 239 | 1900 |
| Bryaceae | |
Bryum altoroseum
| Müll. Hal. ex Broth. | Bot. Jahrb. Syst. 24: 248 | 1897 |
| Bryaceae | |
Bryum alvarense
| Arnell & Medelius | Bot. Not. 1921: 27 | 1921 |
| Bryaceae | ** |
Bryum ambiguum
| Schleich. | Cat. Pl. Helv. (ed. 4) [39] | 1821 |
| Bryaceae | |
Bryum ambiguum
| Duby | Syst. Verz. 132 | 1846 |
| Bryaceae | ** |
Bryum ambiguum
| (Limpr.) Kindb. ex Paris | Index Bryol. Suppl. 56 | 1900 |
| Bryaceae | ! |
Bryum amblyacis
| Müll. Hal. | Hedwigia 37: 104 | 1898 |
| Bryaceae | ! |
Bryum amblyodon
| Müll. Hal. | Linnaea 42: 293 | 1879 |