| Nominal Species (n = 20) | Present allocation (n = 20) | Ref. |
|---|---|---|
| Hydrodictyon africanum Yamanouchi | Hydrodictyon africanum | 80701 |
| Pediastrum angulosum Ehrenberg ex Meneghini | Pediastrum angulosum | 80701 |
| Pediastrum angulosum var. angulosum Sulek | Pediastrum angulosum var. angulosum | 80701 |
| Pediastrum araneosum var. araneosum G.S. West | Pediastrum araneosum var. araneosum | 80701 |
| Pediastrum bidentulum var. bidentulum Nordstedt | Pediastrum bidentulum var. bidentulum | 80701 |
| Pediastrum biradiatum Meyen | Pediastrum biradiatum | 80701 |
| Pediastrum braunii Wartmann | Pediastrum braunii | 80701 |
| Pediastrum conchense P. González | Pediastrum conchense | 80701 |
| Pediastrum contiguum P. González | Pediastrum contiguum | 80701 |
| Pediastrum duplex Meyen | Pediastrum duplex | 80701 |
| Pediastrum gracillimum Thunmark | Pediastrum gracillimum | 80701 |
| Pediastrum integrum Nägeli | Pediastrum integrum | 80701 |
| Paradoxia multiseta Sirenko | Paradoxia multiseta | 80701 |
| Pediastrum orbitale Komarek | Pediastrum orbitale | 80701 |
| Hydrodictyon patenaeforme Pocock | Hydrodictyon patenaeforme | 80701 |
| Tetrapedia reinschiana W. Archer | Tetrapedia reinschiana | 80701 |
| Pediastrum simplex Meyen | Pediastrum simplex | 80701 |
| Sorastrum spinulosum Nägeli | Sorastrum spinulosum | 80701 |
| Pediastrum tetrax var. tetrax P. González | Pediastrum tetrax var. tetrax | 80701 |
| Pediastrum tricyclium Hassall ex Ralfs | Pediastrum tricyclium | 80701 |