Riella reuteri f. battandieri (Trab.) Trab. form synonym

Maisonneuvea helicophylla (Bory & Mont.) Trevis. species synonym

Maisonneuvea parisii (Gottsche) Trevis. species synonym

Maisonneuvea notarisii (Mont.) Trevis. species synonym

Riella reuteri f. lemanica Trab. form synonym

Riella americana M.Howe & Underw. species accepted

Riella helicophylla (Bory & Mont.) Mont. species accepted

Riella parisii Gottsche species accepted

Riella paulsenii Porsild species synonym

Riella notarisii (Mont.) Mont. species accepted

Riella cyrenaica Maire species accepted

Riella bialata Trab. species accepted

Riella cossoniana Trab. species accepted

Riella sersuensis Trab. species accepted

Riella pampae Hässel species accepted

Riella macrocarpa (P.Allorge) Puche, Segarra, Sabovlj., M.Infante & Heras species accepted

Riella battandieri f. gallica (Balansa ex Trab.) Corb. form synonym

Maisonneuvea reuteri (Mont.) Trevis. species synonym

Riella vishwanathai Pandé, Misra & K.P.Srivast. species synonym

Riella reuteri f. gallica (Balansa ex Trab.) Trab. form synonym

Riella battandieri Trab. species accepted

Riella clausonis Letourn. ex Durieu species synonym

Riella gallica Balansa ex Trab. species accepted

Riella echinospora Wigglesw. species accepted

Riella capensis Cavers species accepted

Riella purpureospora Wigglesw. species accepted

Riella alatospora Wigglesw. species accepted

Riella choconensis Hässel species accepted

Riella helicophylla f. latealata P.Allorge form synonym

Riella reuteri Mont. species accepted

Riella cossoniana var. cossoniana variety synonym

Duriaea helicophylla Bory & Mont. species synonym

Riella clausonis Letourn. species homotypic synonym

Riella helicophylla var. macrocarpa P.Allorge variety synonym

Riella cossoniana var. echinata Müll.Frib. variety synonym

Riella indica Steph. ex Kashyap species accepted

Riella numidica Trab. species accepted

Riella spiculata J.Taylor species accepted

Duriaea notarisii (Mont.) Bory & Mont. species synonym

Riella heliospora Segarra, Puche & Sabovlj. species accepted

Riella gamundiae Hässel species accepted

Riella indica Steph. species homotypic synonym

Riella mediterranea Segarra, Puche, Sabovlj., M.Infante & Heras species accepted

Riella trigonospora Segarra & Puche species accepted

Riella halophila Banwell species accepted

Riella gallica Balansa species homotypic synonym

Riella echinata (Müll.Frib.) Segarra, Puche & Sabovlj. species accepted

Riella affinis M.Howe & Underw. species accepted

Sphaerocarpos notarisii Mont. species synonym

Riella undulata Hässel species accepted