| Mesotaenium macrococcum (KÜTZ.) ROY & BISSET |  | | |
| | Micrasterias americana (EHR.) ex RALFS |  | | |
| | Micrasterias americana var. boldtii GUTW. |  | | |
|
| Micrasterias apiculata (EHRENB.) MENEGH. |  | | |
| | Micrasterias crux-melitensis (EHRENB.) HASSALL. |  | | |
| | Micrasterias denticulata BREB. var. angulosa (HANZTSCH) WEST & G.S. WEST |  | | |
|
| Micrasterias fimbriata RALFS |  | | |
| | Micrasterias papillifera BREB. |  | | |
| | Micrasterias pinnatifida (KÜTZ.) RALFS |  | | |
|
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