Chara vulgaris
- Group
- Seaweeds and algae
- Peak month
- June
- Records since 2000
- 442
Chara hispida
- Group
- Seaweeds and algae
- Peak month
- August
- Records since 2000
- 257
Chara virgata
- Group
- Seaweeds and algae
- Peak month
- August
- Records since 2000
- 241
Chara globularis
- Group
- Seaweeds and algae
- Peak month
- August
- Records since 2000
- 231
Foxtail stonewort
- Group
- Seaweeds and algae
- Peak month
- July
- Records since 2000
- 211
Chara contraria
- Group
- Seaweeds and algae
- Peak month
- August
- Records since 2000
- 62
Chara aspera
- Group
- Seaweeds and algae
- Peak month
- June
- Records since 2000
- 61
Nitella opaca
- Group
- Seaweeds and algae
- Peak month
- June
- Records since 2000
- 52