Acrosiphonia arcta
- Group
- Seaweeds and algae
- Peak month
- May
- Records since 2000
- 219
Spongomorpha aeruginosa
- Group
- Seaweeds and algae
- Peak month
- May
- Records since 2000
- 109
Ulothrix flacca
- Group
- Seaweeds and algae
- Peak month
- May
- Records since 2000
- 74
Ulothrix speciosa
- Group
- Seaweeds and algae
- Peak month
- June
- Records since 2000
- 59