# Didymodon

Didymodon is a genus of mosses belonging to the family Pottiaceae. The genus has a cosmopolitan distribution.

## Species

The following species are recognised in the genus Didymodon:
* Didymodon aaronis J.Guerra, 1987
* Didymodon acutus (Brid.) K.Saito
* Didymodon aeneus (Müll.Hal.) Schimp.
* Didymodon aeruginosus Hook.
* Didymodon afer (Müll.Hal.) Broth.
* Didymodon affinis Garov.
* Didymodon aggregatus (Müll.Hal.) A.Jaeger
* Didymodon albicuspis (Mitten) Brotherus, 1902
* Didymodon alticaulis E.B.Bartram, 1947
* Didymodon amblyophyllus Brotherus, 1902
* Didymodon ampliretis E.B.Bartram, 1946
* Didymodon andreaeoides Cardot & Brotherus, 1923
* Didymodon angustatus (Mitt.) A.Jaeger
* Didymodon angustulus Herzog
* Didymodon anserinocapitatus Zander, 1993
* Didymodon apiculatus Arn.
* Didymodon argentinicus Paris, 1904
* Didymodon argentiniensis Warnstorf, 1916
* Didymodon asperifolius H.Crum, Steere & L.E.Anderson, 1964
* Didymodon australasiae Zander, 1978
* Didymodon austroalpigena Brotherus, 1902
* Didymodon barbulae Wibel ex Roemer, 1803
* Didymodon barbuloides Libert ex Marchal, 1872
* Didymodon bartramii Zander, 1993
* Didymodon berthoanus Thériot, 1926
* Didymodon bistratosus Hébrard & Pierrot, 1994
* Didymodon blyttii Hartm.
* Didymodon bombayensis (Müll.Hal.) A.Jaeger
* Didymodon brachyphyllus Zander, 1978
* Didymodon brasiliensis (Mitt.) A.Jaeger
* Didymodon brevicaulis Schultz
* Didymodon brevifolius (Sendtn. ex Müll.Hal.) Kindb.
* Didymodon brevisetus (Mitt.) A.Jaeger
* Didymodon brunneus Warnstorf, 1924
* Didymodon calycinus Dixon, 1915
* Didymodon calymperidictyon Broth.
* Didymodon calyptratus Taylor
* Didymodon campylocarpus (Müll.Hal.) Broth.
* Didymodon camusii Husnot, 1885
* Didymodon canaliculatus Dixon, 1930
* Didymodon capensis Spreng.
* Didymodon capitatus Dixon ex Sappa & Piovano, 1947
* Didymodon cardotii Zander, 1993
* Didymodon catenulatus Dixon, 1930
* Didymodon ceratodonteus Dixon, 1932
* Didymodon challaense Zander, 1993
* Didymodon citrinus (Hampe) A.Jaeger
* Didymodon constrictus K.Saito, 1975
* Didymodon contortus Herzog, 1916
* Didymodon coquimbensis J.Jiménez & Cano
* Didymodon cordatus Juratzka, 1866
* Didymodon crassicostatus (E.B.Bartram) R.H.Zander
* Didymodon curtus (Hedw.) Arn.
* Didymodon cuspidatus Jaeger, 1869
* Didymodon cyathicarpus (Mont.) Mitt.
* Didymodon cylindricus (Hedw.) Wahlenb.
* Didymodon deciduus Zander, 1993
* Didymodon dieckii (Broth.) Kindb.
* Didymodon ditrichoides (Broth.) X.J.Li & S.He
* Didymodon dubius Paris, 1904
* Didymodon eckeliae Zander, 2001
* Didymodon eckendorfii Potier de la Varde, 1937
* Didymodon epunctatus Jaeger, 1873
* Didymodon erosodenticulatus K.Saito, 1975
* Didymodon erosus J.A.Jiménez & J.Guerra
* Didymodon fallax Zander, 1978
* Didymodon ferrugineus M.O.Hill, 1981
* Didymodon filescens (Hampe) A.Jaeger
* Didymodon filicaulis Cardot, 1910
* Didymodon flaccidus (Harv.) Mitt.
* Didymodon fontanus (Müll.Hal.) Broth.
* Didymodon formosicus Broth.
* Didymodon fragilicuspis Brotherus, 1928
* Didymodon fulvus (Hook.) Schwägr.
* Didymodon funkii Garovaglio, 1840
* Didymodon gaochienii B.C.Tan & Jia Yu, 1997
* Didymodon giganteus Juratzka, 1882
* Didymodon glaucoviridis Brotherus, 1902
* Didymodon glaucus Ryan
* Didymodon godmanianus (Müll.Hal.) E.B.Bartram
* Didymodon gorodkovii (Abramova & I.I.Abramov) Schljakov
* Didymodon grimmioides Duby
* Didymodon guineensis Brotherus & Paris, 1911
* Didymodon gymnostomus Broth.
* Didymodon gymnus Brotherus, 1902
* Didymodon hampei Zander, 1993
* Didymodon hastatus Zander, 1993
* Didymodon haussknechtii Brotherus, 1902
* Didymodon hedysariformis Otnyukova, 1998
* Didymodon hegewaldiorum J.Jiménez & Cano
* Didymodon heribaudii Cardot
* Didymodon herzogii Zander, 1993
* Didymodon hostilis (Herzog) Broth.
* Didymodon humboldtii E.Hegewald & P.Hegewald, 1977
* Didymodon humidus Zander, 1993
* Didymodon icmadophilus (Müll.Hal.) K.Saito
* Didymodon imperfectus Zander, 1993
* Didymodon incrassatolimbatus Cardot, 1909
* Didymodon incrassatus Brotherus, 1902
* Didymodon incurvus J.A.Jiménez & M.J.Cano
* Didymodon insulanus (De Not.) M.O.Hill
* Didymodon insularis Besch.
* Didymodon interruptus Mitt.
* Didymodon inundatus Brotherus, 1902
* Didymodon jackvancei Zander, 1993
* Didymodon jamesonii (Taylor) A.Jaeger
* Didymodon japonicus K.Saito, 1975
* Didymodon johansenii H.Crum, 1969
* Didymodon juniperinus Brotherus, 1902
* Didymodon laevigatus Zander, 1978
* Didymodon lamyanus Thériot, 1932
* Didymodon lapponicus (Hedw.) Mitt.
* Didymodon leskeoides K.Saito, 1975
* Didymodon leucodon (Müll.Hal.) Broth.
* Didymodon lindigii Zander, 1993
* Didymodon lingulatus Brotherus, 1902
* Didymodon littoralis (Mitt.) Kindb.
* Didymodon loeskei Fleischer, 1923
* Didymodon longicaulis (Mitt.) A.Jaeger
* Didymodon lorentzianus Brotherus, 1902
* Didymodon luehmannii Catcheside, 1980
* Didymodon luridus Hornsch.
* Didymodon luridus Spreng.
* Didymodon luzonensis E.B.Bartram
* Didymodon macounii Kindb.
* Didymodon macrophyllus Brotherus, 1916
* Didymodon mamillosus M.O.Hill, 1981
* Didymodon marginatus Zander, 1993
* Didymodon maschalogena Brotherus, 1909
* Didymodon maximus M.O.Hill, 1981
* Didymodon merceyoides Broth.
* Didymodon mexicanus Besch.
* Didymodon microstomus Dixon & Badhw.
* Didymodon microthecius Brotherus, 1902
* Didymodon minusculus Zander, 1993
* Didymodon mittenii Gangulee, 1964
* Didymodon montanus (Mitt.) Broth.
* Didymodon montevidensis Brotherus, 1917
* Didymodon moritzianus Brotherus, 1902
* Didymodon mougeotii (Bruch & Schimp.) Mitt.
* Didymodon murrayae Otnyukova, 2002
* Didymodon neesii Mitten, 1859
* Didymodon neomexicanus (Sull. & Lesq.) Kindb.
* Didymodon nepalensis Brid.
* Didymodon nevadensis Zander, 1995
* Didymodon nicholsonii Culmann, 1907
* Didymodon nigrescens K.Saito, 1975
* Didymodon nitens Liebm.
* Didymodon norrisii Zander, 1999
* Didymodon oblongifolius Hook.
* Didymodon occidentalis Zander, 1978
* Didymodon oedocostatus J.A.Jiménez & M.J.Cano
* Didymodon orbignyanus Brotherus, 1902
* Didymodon orientalis (F.Weber) R.S.Williams
* Didymodon ovatus (Mitt.) A.Jaeger
* Didymodon pallidobasis Li Xing-jiang & Iwatsuki, 2001
* Didymodon papillatus Hook.f. & Wilson
* Didymodon papillinervis (Dixon & Herzog) Demaret
* Didymodon papillosus (Dicks.) Brid.
* Didymodon paramicola (H.Rob.) O.Werner, J.A.Jiménez & Ros
* Didymodon patagonicus Brotherus, 1924
* Didymodon pelichucensis R.S.Williams
* Didymodon perexilis Brotherus, 1902
* Didymodon perobtusus Brotherus, 1928
* Didymodon perrevolutus P.de la Varde
* Didymodon pichinchensis Taylor
* Didymodon planifolius P.de la Varde & Thér.
* Didymodon planotophaceus J.Fröhlich, 1953
* Didymodon platyneurus (Müll.Hal. & Kindb.) M.N.Aziz & Vohra
* Didymodon plicatus (Müll.Hal.) Mont.
* Didymodon polycarpus (Hedw.) Mitt.
* Didymodon polycephalus Montagne, 1845
* Didymodon pottsii Dixon
* Didymodon proscriptus (Hornsch.) Brid.
* Didymodon pruinosus Zander, 1993
* Didymodon pulvinans (Herzog) Brotherus, 1925
* Didymodon ramulosus (Schimp. ex Besch.) Cardot
* Didymodon recurvus (Griff.) Broth.
* Didymodon reflexus Thériot, 1924
* Didymodon reticulatus Gillies ex Greville, 1830
* Didymodon revolutus R.S.Williams, 1913
* Didymodon rigidifolius Dixon
* Didymodon rigidulus Hedwig, 1801
* Didymodon riparius (Austin) Kindb.
* Didymodon rivicola Zander, 1983
* Didymodon rubiginosus Brotherus, 1902
* Didymodon rufescens (Mitt.) Broth.
* Didymodon rufidulus Brotherus, 1902
* Didymodon rupestris (Funck ex Brid.) Wallr.
* Didymodon schilleri Herzog & Thériot, 1933
* Didymodon schimperi (Mont.) Broth.
* Didymodon serrulatus (Hook. & Grev.) Mitt.
* Didymodon sicculus Cano et al., 1996
* Didymodon sinuosus Delogne, 1873
* Didymodon smaragdinus Brid.
* Didymodon soaresii Luisier, 1916
* Didymodon spadiceus Limpricht, 1888
* Didymodon spathulatolinearis Brotherus, 1902
* Didymodon spitsbergensis Dixon ex G.N.Jones
* Didymodon starkeanus Garov.
* Didymodon stenocarpus (Bruch & Schimp.) Mitt.
* Didymodon stenopyxis Cardot, 1909
* Didymodon stewartii Zander, 1993
* Didymodon strictorubellus Dixon, 1942
* Didymodon subalpinum (De Not.) Lorentz
* Didymodon subandreaeoides Zander, 1978
* Didymodon subfontanus Dixon, 1926
* Didymodon subniger (Mitt.) Paris
* Didymodon subrevolutus Brotherus, 1902
* Didymodon subtorquatus Catcheside, 1980
* Didymodon subtriquetrus H.Robinson, 1967
* Didymodon subulatus Schkuhr, 1811
* Didymodon tasmanicus (Hook.f.) Mitt.
* Didymodon taylorii Zander, 1993
* Didymodon tectorum K.Saito, 1975
* Didymodon tenellus R.A.Hedwig ex Bridel, 1827
* Didymodon tenii (Herzog) Broth.
* Didymodon theobaldii Pfeff.
* Didymodon tisserantii P.de la Varde
* Didymodon tomaculosus Corley, 1981
* Didymodon tophaceopsis Zander, 1993
* Didymodon tophaceus Lisa, 1837
* Didymodon torquatus Catcheside, 1980
* Didymodon trachyneuron Kindb.
* Didymodon trivialis J.Guerra, 1987
* Didymodon ulocalyx (Müll.Hal.) A.Jaeger
* Didymodon umbrosus Zander, 1978
* Didymodon uruguayensis Zander, 1993
* Didymodon vinealis Brid
* Didymodon vinealis Zander, 1978
* Didymodon virens (Hedw.) Mitt.
* Didymodon vulcanicus J.A.Jiménez, Hedd. & Frank Müll., 2017
* Didymodon wahlenbergii (Brid.) Mitt.
* Didymodon warnstorfii Paris
* Didymodon waymouthii Zander, 1993
* Didymodon wildii (Broth.) Broth.
* Didymodon wisselii Norris & T.Koponen, 1989
* Didymodon wollei (Austin) Austin, 1877
* Didymodon xanthocarpus Magill, 1979
* Didymodon yunnanensis (Herzog) Broth.