| albania | | didymodon erosus | species | 3 | 0 |
| argentina | | didymodon australasiae | species | 2 | 0 |
| argentina | cordoba province | didymodon umbrosus | species | 4 | 0 |
| argentina | tucuman province | didymodon australasiae | species | 1 | 0 |
| armenia | | didymodon rigidulus | species | 4 | 0 |
| austria | carinthia | didymodon asperifolius | species | 4 | 0 |
| austria | lower austria | didymodon subandreaeoides | species | 1 | 0 |
| austria | styria | didymodon erosus | species | 3 | 0 |
| austria | tyrol | didymodon icmadophilus | species | 4 | 0 |
| austria | tyrol | didymodon validus | species | 4 | 0 |
| austria | vorarlberg | didymodon spadiceus | species | 4 | 0 |
| bolivia | chuquisaca department | didymodon umbrosus | species | 4 | 0 |
| bolivia | potosi department | didymodon australasiae | species | 4 | 0 |
| canada | british columbia | didymodon occidentalis | species | 1 | 0 |
| canada | newfoundland and labrador | didymodon asperifolius | species | 1 | 0 |
| chile | aysen region | didymodon fuscus | species | 3 | 0 |
| chile | coquimbo region | didymodon fuscus | species | 8 | 0 |
| chile | valparaiso region | didymodon umbrosus | species | 4 | 0 |
| china | | didymodon constrictus | species | 1 | 0 |
| china | | didymodon mongolicus | species | 1 | 0 |
| china | inner mongolia | didymodon cordatus | species | 4 | 0 |
| china | inner mongolia | didymodon hedysariformis | species | 7 | 0 |
| china | inner mongolia | didymodon zanderi | species | 4 | 0 |
| china | qinghai | didymodon maximus | species | 3 | 0 |
| china | sichuan | didymodon asperifolius | species | 3 | 0 |
| china | sichuan | didymodon rivicola | species | 3 | 0 |
| china | sichuan | didymodon tectorum | species | 3 | 0 |
| china | tibet | didymodon johansenii | species | 2 | 0 |
| china | xinjiang | didymodon fallax | species | 4 | 0 |
| china | xinjiang | didymodon johansenii | species | 4 | 0 |
| china | xinjiang | didymodon tophaceus | species | 3 | 0 |
| china | xinjiang | didymodon validus | species | 4 | 0 |
| china | yunnan | didymodon anserinocapitatus | species | 4 | 0 |
| china | yunnan | didymodon constrictus | species | 8 | 0 |
| china | yunnan | didymodon glaucus | species | 2 | 0 |
| china | yunnan | didymodon nigrescens | species | 8 | 0 |
| china | yunnan | didymodon rivicola | species | 12 | 0 |
| china | yunnan | didymodon tectorum | species | 12 | 0 |
| china | yunnan | didymodon validus | species | 3 | 0 |
| comoros | | oxystegus daldinianus | species | 4 | 0 |
| ecuador | | didymodon erosus | species | 3 | 0 |
| egypt | | didymodon luridus | species | 1 | 0 |
| egypt | | didymodon nevadensis | species | 1 | 0 |
| egypt | | didymodon nigrescens | species | 1 | 0 |
| egypt | | didymodon rigidulus | species | 1 | 0 |
| egypt | | didymodon vinealis | species | 1 | 0 |
| france | provence-alpes-cote d'azur region | didymodon erosus | species | 3 | 0 |
| france | provence-alpes-cote d'azur region | didymodon fallax | species | 1 | 0 |
| france | rhone-alpes region | didymodon asperifolius | species | 4 | 0 |
| france | rhone-alpes region | didymodon glaucus | species | 4 | 0 |
| france | rhone-alpes region | didymodon icmadophilus | species | 3 | 0 |
| france | rhone-alpes region | didymodon subandreaeoides | species | 6 | 0 |
| france | rhone-alpes region | didymodon validus | species | 3 | 0 |
| germany | saxony-anhalt | didymodon erosus | species | 2 | 0 |
| germany | saxony-anhalt | didymodon sicculus | species | 4 | 0 |
| greece | peloponnese region | didymodon acutus | species | 145 | 0 |
| greece | peloponnese region | didymodon nicholsonii | species | 2 | 0 |
| hungary | | didymodon cordatus | species | 4 | 0 |
| india | | didymodon nigrescens | species | 1 | 0 |
| ireland | | oxystegus daldinianus | species | 4 | 0 |
| italy | basilicata region | didymodon luridus | species | 4 | 0 |
| italy | sicily autonomous region | didymodon insulanus | species | 2 | 0 |
| italy | sicily autonomous region | didymodon vinealis | species | 2 | 0 |
| italy | south tyrol autonomous region | didymodon johansenii | species | 4 | 0 |
| italy | tuscany region | didymodon acutus | species | 4 | 0 |
| japan | | oxystegus daldinianus | species | 4 | 0 |
| japan | nagano prefecture | didymodon japonicus | species | 2 | 0 |
| japan | nagano prefecture | didymodon nigrescens | species | 2 | 0 |
| japan | nagano prefecture | didymodon subandreaeoides | species | 1 | 0 |
| japan | saitama prefecture | didymodon nigrescens | species | 1 | 0 |
| japan | tokushima prefecture | didymodon subandreaeoides | species | 1 | 0 |
| japan | yamanashi prefecture | didymodon asperifolius | species | 3 | 0 |
| japan | yamanashi prefecture | didymodon nigrescens | species | 6 | 0 |
| japan | yamanashi prefecture | didymodon subandreaeoides | species | 3 | 0 |
| mongolia | | didymodon maximus | species | 3 | 0 |
| norway | | oxystegus daldinianus | species | 4 | 0 |
| norway | troms county | didymodon rigidulus | species | 3 | 0 |
| peru | ancash region | didymodon asperifolius | species | 3 | 0 |
| poland | lesser poland province | didymodon validus | species | 3 | 0 |
| portugal | | didymodon fallax | species | 2 | 0 |
| portugal | faro district | didymodon vinealis | species | 4 | 0 |
| russia | | didymodon icmadophilus | species | 1 | 0 |
| russia | | didymodon perobtusus | species | 1 | 0 |
| russia | | didymodon validus | species | 1 | 0 |
| russia | altai krai | didymodon subandreaeoides | species | 3 | 0 |
| russia | kabardino-balkaria republic | didymodon spadiceus | species | 12 | 0 |
| russia | krasnoyarsk krai | didymodon anserinocapitatus | species | 4 | 0 |
| russia | tuva republic | didymodon hedysariformis | species | 4 | 0 |
| serbia | autonomous province of vojvodina | didymodon sicculus | species | 191 | 0 |
| slovenia | | didymodon rigidulus | species | 4 | 0 |
| south africa | northern cape province | didymodon xanthocarpus | species | 4 | 0 |
| south africa | the western cape province | didymodon xanthocarpus | species | 12 | 0 |
| spain | | didymodon acutus | species | 1 | 0 |
| spain | | didymodon rigidulus | species | 4 | 0 |
| spain | | didymodon vinealis | species | 2 | 0 |
| spain | andalusia | didymodon insulanus | species | 2 | 0 |
| spain | aragon | didymodon cordatus | species | 4 | 0 |
| spain | aragon | didymodon ferrugineus | species | 2 | 0 |
| spain | aragon | didymodon luridus | species | 2 | 0 |
| spain | canary islands | didymodon luridus | species | 3 | 0 |
| spain | castile and leon | didymodon erosus | species | 4 | 0 |
| spain | castile and leon | didymodon vinealis | species | 1 | 0 |
| spain | castilla-la mancha | didymodon acutus | species | 14 | 0 |
| spain | castilla-la mancha | didymodon rigidulus | species | 2 | 0 |
| spain | castilla-la mancha | didymodon sicculus | species | 2 | 0 |
| spain | castilla-la mancha | didymodon vinealis | species | 4 | 0 |
| spain | catalonia | didymodon cordatus | species | 3 | 0 |
| spain | catalonia | didymodon ferrugineus | species | 2 | 0 |
| spain | catalonia | didymodon sicculus | species | 4 | 0 |
| spain | galicia | didymodon nicholsonii | species | 1 | 0 |
| spain | murcia | didymodon tophaceus | species | 2 | 0 |
| spain | navarra | didymodon spadiceus | species | 2 | 0 |
| spain | valencia | didymodon spadiceus | species | 1 | 0 |
| switzerland | | oxystegus daldinianus | species | 4 | 0 |
| turkey | | didymodon vinealis | species | 2 | 0 |
| united kingdom | | didymodon rigidulus | species | 4 | 0 |
| united kingdom | scotland | didymodon icmadophilus | species | 1 | 0 |
| united states | alaska | didymodon icmadophilus | species | 3 | 0 |
| united states | alaska | didymodon nigrescens | species | 4 | 0 |
| united states | arizona | didymodon nevadensis | species | 4 | 0 |
| united states | california | didymodon australasiae | species | 4 | 0 |
| united states | california | didymodon nicholsonii | species | 5 | 0 |
| united states | california | didymodon norrisii | species | 14 | 0 |
| united states | california | didymodon occidentalis | species | 4 | 0 |
| united states | california | didymodon tophaceus | species | 4 | 0 |
| united states | nevada | didymodon nevadensis | species | 8 | 0 |
| united states | nevada | didymodon occidentalis | species | 3 | 0 |
| united states | new york | didymodon fallax | species | 2 | 0 |
| united states | oklahoma | didymodon revolutus | species | 1 | 0 |
| united states | oregon | didymodon occidentalis | species | 4 | 0 |
| united states | washington | didymodon occidentalis | species | 4 | 0 |
| venezuela | merida | didymodon icmadophilus | species | 4 | 0 |
| venezuela | merida | didymodon paramicola | species | 8 | 0 |