Frustulia rhomboides
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 242
Frustulia saxonica
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 169
Frustulia vulgaris
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 100
Frustulia erifuga
- Group
- Seaweeds and algae
- Peak month
- May
- Records since 2000
- 72
Frustulia crassinveria
- Group
- Seaweeds and algae
- Peak month
- April
- Records since 2000
- 55