| Hydrogonium amplexifolium (Mitt.) P.C. Chen |
Accepted |
 |
TRO |
|
| Hydrogonium anceps (Cardot) Herzog & Nog. |
Accepted |
 |
TRO |
|
| Hydrogonium aneitense (Broth. & Watts) W. Schultze-Motel |
Accepted |
 |
TRO |
|
| Hydrogonium arcuatum (Griff.) Wijk & Margad. |
Accepted |
 |
TRO |
|
| Hydrogonium bolleanum (Müll. Hal.) A. Jaeger |
Accepted |
 |
TRO |
|
| Hydrogonium brotheri (Renauld & Paris) Hilp. |
Accepted |
 |
TRO |
|
| Hydrogonium cataractarum (M. Fleisch.) Hilp. |
Accepted |
 |
TRO |
|
| Hydrogonium clavicostatum (Renauld & Cardot) Hilp. |
Accepted |
 |
TRO |
|
| Hydrogonium comosum (Dozy & Molk.) Hilp. |
Accepted |
 |
TRO |
|
| Hydrogonium consanguineum (Thwaites & Mitt.) Hilp. |
Accepted |
 |
TRO |
|
| Hydrogonium crozalsii (H. Philib.) Podp. |
Accepted |
 |
TRO |
|
| Hydrogonium decolyi Gangulee |
Unresolved |
 |
TRO |
|
| Hydrogonium dicranelloides Gangulee |
Accepted |
 |
TRO |
|
| Hydrogonium dixonianum P.C. Chen |
Accepted |
 |
TRO |
|
| Hydrogonium dorrii (Renauld & Cardot) Hilp. |
Accepted |
 |
TRO |
|
| Hydrogonium ehrenbergii (Lorentz) A. Jaeger |
Accepted |
 |
TRO |
|
| Hydrogonium ehrenbergii var. algeriae (Müll. Hal.) Wijk & Margad. |
Accepted |
 |
TRO |
|
| Hydrogonium fontanum (Müll. Hal.) A. Jaeger |
Accepted |
 |
TRO |
|
| Hydrogonium fulvisetum Hilp. |
Unresolved |
 |
TRO |
|
| Hydrogonium gangeticum (Müll. Hal.) P.C. Chen |
Accepted |
 |
TRO |
|
| Hydrogonium gracilentum (Mitt.) P.C. Chen |
Accepted |
 |
TRO |
|
| Hydrogonium heterophyllum J. Froehl. |
Accepted |
 |
TRO |
|
| Hydrogonium hygrophilum Hilp. |
Accepted |
 |
TRO |
|
| Hydrogonium inflexum (Duby) P.C. Chen |
Accepted |
 |
TRO |
|
| Hydrogonium javanicum (Dozy & Molk.) Hilp. |
Accepted |
 |
TRO |
|
| Hydrogonium laevifolium (Broth. & Yasuda) P.C. Chen |
Accepted |
 |
TRO |
|
| Hydrogonium leucobasis (Dixon) W. Schultze-Motel |
Accepted |
 |
TRO |
|
| Hydrogonium leucodontoides Gangulee |
Accepted |
 |
TRO |
|
| Hydrogonium louisiadum (Broth.) W. Schultze-Motel |
Accepted |
 |
TRO |
|
| Hydrogonium majusculum (Müll. Hal.) P.C. Chen |
Accepted |
 |
TRO |
|
| Hydrogonium mamatkulovii Lazarenko |
Accepted |
 |
TRO |
|
| Hydrogonium mediterraneum (Müll. Hal.) Renauld |
Synonym |
 |
TRO |
|
| Hydrogonium mussoorianum Vohra |
Accepted |
 |
TRO |
|
| Hydrogonium novoguineense (Broth.) P.C. Chen |
Accepted |
 |
TRO |
|
| Hydrogonium patulifolium J. Froehl. |
Accepted |
 |
TRO |
|
| Hydrogonium pseudoehrenbergii (M. Fleisch.) P.C. Chen |
Accepted |
 |
TRO |
|
| Hydrogonium rechingeri (Broth.) W. Schultze-Motel |
Accepted |
 |
TRO |
|
| Hydrogonium setschwanicum (Broth.) P.C. Chen |
Accepted |
 |
TRO |
|
| Hydrogonium soboliferum (M. Fleisch.) Hilp. |
Accepted |
 |
TRO |
|
| Hydrogonium sordidum (Besch.) P.C. Chen |
Accepted |
 |
TRO |
|
| Hydrogonium subcomosum (Broth.) P.C. Chen |
Accepted |
 |
TRO |
|
| Hydrogonium subpellucidum (Mitt.) Hilp. |
Accepted |
 |
TRO |
|
| Hydrogonium taylorii W.A. Weber |
Accepted |
 |
TRO |
|
| Hydrogonium tisserantii (P. de la Varde) W. Schultze-Motel |
Accepted |
 |
TRO |
|
| Hydrogonium tjibodense (M. Fleisch.) Hilp. |
Synonym |
 |
TRO |
|
| Hydrogonium williamsii P.C. Chen |
Accepted |
 |
TRO |
|