P = Podostemoideae, T = Tristichoideae, W = Weddellinoideae.
Bold, accepted name; italics, synonym.
Anastrophea Weddell = Sphaerothylax Krauss - P Angolaea Weddell - P Apinagia Tulasne - P Aulea Lebrun & Stork = Saxicolella Engler - P Blandowia Willdenow = Apinagia Tulasne - P Butumia G. Taylor - P
Carajaea (Tulasne) Weddell ?= Castelnavia Tulasne & Weddell - P Castelnavia Tulasne & Weddell - P Ceratolacis (Tulasne) Weddell - P Cipoia Philbrick et al. - P Cladopus H. Moeller - P Crenias Sprengel - P Ctenobryum Koi & M. Kato - P Cussetia M. Kato - T
Dalzellia Wight - T Devillea Tulasne & Weddell - P Diamantina Novelo et al. - P Dicraea Tulasne = Dicraeia Thouars - ?P Dicraeanthus Engler - P Dicraeia Thouars - ?P Diplobryum C. Cusset - P Djinga C. Cusset - P Dufourea Bory = Tristicha Thouars - T
Endocaulos C. Cusset - P Euhydrobryum Koidzumi = Hydrobryum Endlicher - P
Farmeria J. D. Hooker - P
Griffithella (Tulasne) Warming - P
Hanseniella C. Cusset - P Hemidistichiophyllum Koidzumu = Cladopus H. Moeller - P Heterotristicha Tobler = Tristicha Thouars - T Hydroanzia Koidzumi = Hydrobryum Endlicher - P Hydrobryopsis Engler = Zeylanidium (Tulasne) Engler - P Hydrobryum Endlicher - P Hydrodiscus Koi & M. Kato - P
Indodalzellia Koi & M. Kato - P Indotristicha P. Royen - T Inversodicraeia R. E. Fries - P
Jenmaniella Engler = Lophogyne Tulasne - P
Lacis Lindley = Tulasneantha P. Royen - P Laosia Koi et al. - P Lawia Tulasne = Dalzellia Wight - T Lawiella Koidzumi = Cladopus H. Moeller - P Lecomtea Koidzumi = Cladopus H. Moeller - P Ledermanniella Engler - P Leiocarpodicraeia (Engler) Engler = Leiothylax Warming - P Leiothylax Warming - P Letestuella G. Taylor - P Ligea Tulasne = Apinagia Tulasne - P Lonchostephus Tulasne - P Lophogyne Tulasne - P
Macarenia P. Royen - P Macropodiella Engler - P Maferria C. Cusset = Farmeria J. D. Hooker - P Malaccotristicha C. Cusset & G. Cusset = Tristicha Thouars - T Marathrum Bonpland - P Mnianthus Walpers = Dalzellia Wight - T Mniopsis Martius= Crenias Sprengel - P Monandriella Engler = Ledermanniella Engler - P Monostylis Tulasne = Lophogyne Tulasne - P
Mourera Aublet - P
Neolacis Weddell = Apinagia Tulasne - P
Oenone Tulasne = Apinagia Tulasne - P Oserya Tulasne & Weddell - P
Paleodicraeia C. Cusset - P Paracladopus M. Kato - P Philocrena Bongard = Tristicha Thouars - T Podostemon Auctt. = Podostemum Michaux - P Podostemum Michaux - P Pohliella Engler = Saxicolella Engler - P Polypleurella Engler = Hydrobryum Endlicher - P Polypleurum Warming - P Potamobryum Liebmann = Tristicha Thouars - T
Rhyncholacis Tulasne - P
Saxicolella Engler - P Sphaerothylax Krauss - P Stonesia G. Taylor - P Synstylis C. Cusset = Hydrobryum Endlicher - P
Terniola Tulasne = Dalzellia Wight - T Terniopsis H. C. Chao = Tristicha Thouars - T Thelethylax C. Cusset - P Thawatchaia M. Kato et al. - P Torrenticola van Steenis = Cladopus H. Moeller - P Tristicha Thouars - T Tristichopsis A. Chevalier = Tristicha Thouars - T Tulasnea Wight = Dalzellia Wight - T Tulasneantha P. Royen - P
Vanroyenella Novelo & Philbrick - P
Weddellina Tulasne - W Wettsteiniola Suessenguth - P Willisia Warming - P Winklerella Engler - P
Zehnderia C. Cusset - P Zeylanidium (Tulasne) Engler - P
For genera, see especially Cook and Rutishauser (2006).