| Riccia alatospora O. H. Volk & Perold |
Accepted |
8 |
| Riccia albida Sull. |
Accepted |
8 |
| Riccia albolimbata S. W. Arnell |
Accepted |
16 |
| Riccia alboporosa Perold |
Accepted |
10 |
| Riccia albornata O. H. Volk & Perold |
Accepted |
15 |
| Riccia albovestita O. H. Volk |
Accepted |
8 |
| Riccia ampullacea Perold |
Accepted |
16 |
| Riccia argenteolimbata O. H. Volk & Perold |
Accepted |
16 |
| Riccia atromarginata Levier |
Accepted |
16 |
| Riccia austinii Stephani |
Accepted |
8 |
| Riccia beyrichiana Hampe ex Lehm. |
Accepted |
8 |
| Riccia bifurca Hoffm. |
Accepted |
7 |
| Riccia blackii Na-Thalang |
Accepted |
16 |
| Riccia breidleri Jur. |
Accepted |
9 |
| Riccia californica Austin |
Accepted |
8 |
| Riccia campbelliana M. Howe |
Accepted |
8 |
| Riccia canaliculata Hoffm. |
Accepted |
8 |
| Riccia capensis Stephani |
Accepted |
8 |
| Riccia caroliniana Na-Thalang |
Accepted |
8 |
| Riccia cavernosa Hoffm. |
Accepted |
16 |
| Riccia ciliata Hoffm. |
Accepted |
8 |
| Riccia ciliifera Link ex Lindenb. |
Accepted |
8 |
| Riccia collata Na-Thalang |
Accepted |
8 |
| Riccia concava Bisch. ex Gottsche |
Accepted |
8 |
| Riccia congoana Stephani |
Accepted |
8 |
| Riccia crenatodentata O. H. Volk |
Accepted |
9 |
| Riccia crozalsii Levier |
Accepted |
8 |
| Riccia crustata Trab. ex Grolle |
Accepted |
8 |
| Riccia crystallina L. |
Accepted |
8 |
| Riccia curtisii (Austin) Austin |
Accepted |
8 |
| Riccia dictyospora M. Howe |
Accepted |
8 |
| Riccia donnellii Austin |
Accepted |
None |
| Riccia duplex Lorb. & K. Müller |
Accepted |
16 |
| Riccia duthieae O. H. Volk & Perold |
Accepted |
8 |
| Riccia fluitans L. |
Accepted |
8 |
| Riccia frostii Austin |
Accepted |
8 |
| Riccia furfuracea Perold |
Accepted |
16 |
| Riccia gemmifera O. H. Volk |
Accepted |
8 |
| Riccia glauca L. |
Accepted |
8 |
| Riccia glauca var. subinermis (Lindb.) Warnst. |
Accepted |
8 |
| Riccia gougetiana Durieu & Mont. |
Accepted |
8 |
| Riccia hantamensis Perold |
Accepted |
9 |
| Riccia hirsuta O. H. Volk & Perold |
Accepted |
8 |
| Riccia hortorum Bory ex Lindenb. |
Accepted |
8 |
| Riccia howellii M. Howe |
Accepted |
8 |
| Riccia huebeneriana Lindenb. |
Accepted |
8 |
| Riccia lamellosa Raddi |
Accepted |
16 |
| Riccia luticola Na-Thalang |
Accepted |
8 |
| Riccia macallisteri M. Howe |
Accepted |
16 |
| Riccia macrocarpa Levier |
Accepted |
8 |
| Riccia mammifera O. H. Volk & Perold |
Accepted |
9 |
| Riccia membranacea Gottsche & Lindenb. & Nees |
Accepted |
8 |
| Riccia michelii Raddi |
Accepted |
8 |
| Riccia microciliata O. H. Volk & Perold |
Accepted |
8 |
| Riccia miyakeana Schiffner |
Accepted |
16 |
| Riccia montana Perold |
Accepted |
9 |
| Riccia nigrella DC. |
Accepted |
8 |
| Riccia nipponica S. Hatt. |
Accepted |
8 |
| Riccia okahandjana S. W. Arnell |
Accepted |
8 |
| Riccia olgensis Na-Thalang |
Accepted |
8 |
| Riccia parvoareolata O. H. Volk & Perold |
Accepted |
8 |
| Riccia perennis Stephani |
Accepted |
8 |
| Riccia rhenana Lorb. ex K. Müller |
Accepted |
16 |
| Riccia rorida Na-Thalang |
Accepted |
16 |
| Riccia rosea O. H. Volk & Perold |
Accepted |
8 |
| Riccia sarcosa O. H. Volk & Perold |
Accepted |
8 |
| Riccia schelpei O. H. Volk & Perold |
Accepted |
8 |
| Riccia sommieri Levier |
Accepted |
8 |
| Riccia sorocarpa Bisch. |
Accepted |
8 |
| Riccia spongiosula Na-Thalang |
Accepted |
8 |
| Riccia stricta (Gottsche & Lindenb. & Nees) Perold |
Accepted |
8 |
| Riccia sullivantii Austin |
Accepted |
7 |
| Riccia tomentosa O. H. Volk & Perold |
Accepted |
8 |
| Riccia trichocarpa M. Howe |
Accepted |
8 |
| Riccia wainionis Stephani |
Accepted |
8 |
| Riccia warnstorfii Limpr. |
Accepted |
9 |
| Riccia zachariae Lorb. ex K. Müller |
Accepted |
16 |
| Riccia albomarginata Bisch. ex C. Krauss |
Unresolved |
8 |
| Riccia albosquamata S. W. Arnell |
Unresolved |
12 |
| Riccia angolensis Stephani |
Unresolved |
8 |
| Riccia asprella Carrington & Pearson |
Unresolved |
8 |
| Riccia atropurpurea Sim |
Unresolved |
8 |
| Riccia billardieri Mont. & Nees ex Gottsche & Lindenb. & Nees |
Unresolved |
8 |
| Riccia compacta Garside |
Unresolved |
8 |
| Riccia crassa Stephani |
Unresolved |
8 |
| Riccia crinita Taylor |
Unresolved |
8 |
| Riccia cupulifera A. V. Duthie |
Unresolved |
8 |
| Riccia deserticola Stephani |
Unresolved |
8 |
| Riccia discolor Lehm. & Lindenb. |
Unresolved |
8 |
| Riccia gangetica Ahmad |
Unresolved |
16 |
| Riccia intermedia E. W. Jones |
Unresolved |
8 |
| Riccia junghuhniana Nees & Lindenb. |
Unresolved |
8 |
| Riccia lanceolata Stephani |
Unresolved |
16 |
| Riccia limbata Bisch. |
Unresolved |
8 |
| Riccia macrospora Stephani |
Unresolved |
48 |
| Riccia marginata Drap. ex Clos |
Unresolved |
16 |
| Riccia moenkemeyeri Stephani |
Unresolved |
8 |
| Riccia montaguensis S. W. Arnell |
Unresolved |
8 |
| Riccia muscicola Stephani |
Unresolved |
8 |
| Riccia natalensis Sim |
Unresolved |
9 |
| Riccia nigerica E. W. Jones |
Unresolved |
8 |
| Riccia nigrosquamata E. W. Jones |
Unresolved |
8 |
| Riccia perssonii S. A. Kalm |
Unresolved |
8 |
| Riccia pottsiana Sim |
Unresolved |
8 |
| Riccia purpurascens Lehm. & Lindenb. |
Unresolved |
8 |
| Riccia runssorensis Stephani |
Unresolved |
8 |
| Riccia villosa Stephani |
Unresolved |
8 |
| Riccia vitrenosa Perold |
Unresolved |
8 |
| Riccia volkii S. W. Arnell |
Unresolved |
8 |
| Riccia bullosa Stephani |
Synonym of Exormotheca bullosa (Stephani) K. Müller |
8 |
| Riccia japonica Stephani |
Synonym of Riccia glauca var. japonica (Stephani) S. Hatt. |
8 |
| Riccia multifida (Steph.) Steph. |
Synonym of Riccia multifida (Stephani) Stephani |
8 |
| Riccia papulosa (Steph.) Steph. |
Synonym of Riccia papulosa (Stephani) Stephani |
16 |