| Brachymenium radiculosum (Schwägr.) Hampe, 1870 |
| Brachymenium saint-pierrei Thér., 1931 |
| Brachymenium spirifolium (Müll. Hal.) A. Jaeger, 1875 |
| Brachymenium squarrosulum Cardot, 1911 |
| Brachymenium subcapillifolium (Müll. Hal.) A. Jaeger, 1875 |
| Brachymenium systylium (Müll. Hal.) A. Jaeger, 1875 |
| Brachymenium wrightii (Sull.) Broth., 1903 |
| Bryaceae Schwägr., 1830 |
| Bryoideae Broth., 1903 |
| Bryum Hedw., 1801 |
| Bryum alpinum Huds. ex With., 1801 |
| Bryum andicola Hook., 1822 |
| Bryum andrei Cardot & P. de la Varde, 1923 |
| Bryum apiculatum Schwägr., 1816 |
| Bryum argenteum Hedw., 1801 |
| Bryum argenteum var. brachycarpum Cardot, 1909 |
| Bryum argenteum var. chlorocarpum Cardot, 1911 |
| Bryum argenteum var. costaricense Renauld & Cardot, 1893 |
| Bryum aubertii (Schwägr.) Brid., 1819 |
| Bryum bicolor Dicks., 1801 |