Pseudo-nitzschia seriata
- Peak month
- April
- Records since 2000
- 2,078
- Group
- Seaweeds and algae
Sand binder
- Peak month
- September
- Records since 2000
- 2,069
- Scientific name
- Rhodothamniella floridula
Fragilaria capucina
- Peak month
- September
- Records since 2000
- 2,037
- Group
- Seaweeds and algae
Navicula minima
- Peak month
- September
- Records since 2000
- 2,013
- Group
- Seaweeds and algae
Rhoicosphenia abbreviata
- Peak month
- September
- Records since 2000
- 2,005
- Group
- Seaweeds and algae
Encyonema minutum
- Peak month
- September
- Records since 2000
- 2,002
- Group
- Seaweeds and algae
Encyonema silesiacum
- Peak month
- September
- Records since 2000
- 1,999
- Group
- Seaweeds and algae
Sea Oak
- Peak month
- August
- Records since 2000
- 1,927
- Scientific name
- Phycodrys rubens
Gutweed
- Peak month
- August
- Records since 2000
- 1,902
- Scientific name
- Ulva intestinalis
Ditylum brightwellii
- Peak month
- April
- Records since 2000
- 1,872
- Group
- Seaweeds and algae
Navicula cryptotenella
- Peak month
- September
- Records since 2000
- 1,848
- Group
- Seaweeds and algae
Sea Lettuce
- Peak month
- August
- Records since 2000
- 1,776
- Scientific name
- Ulva fenestrata
Thongweed
- Peak month
- August
- Records since 2000
- 1,763
- Scientific name
- Himanthalia elongata
Rhizosolenia styliformis
- Peak month
- April
- Records since 2000
- 1,749
- Group
- Seaweeds and algae
Netted wing weed
- Peak month
- August
- Records since 2000
- 1,727
- Scientific name
- Dictyopteris polypodioides
Bunny Ears
- Peak month
- September
- Records since 2000
- 1,686
- Scientific name
- Lomentaria articulata
Fragilaria gracilis
- Peak month
- September
- Records since 2000
- 1,679
- Group
- Seaweeds and algae
Hypoglossum hypoglossoides
- Peak month
- June
- Records since 2000
- 1,650
- Group
- Seaweeds and algae
Witch's hair
- Peak month
- September
- Records since 2000
- 1,623
- Scientific name
- Desmarestia aculeata
Metacallophyllis spec
- Peak month
- August
- Records since 2000
- 1,609
- Group
- Seaweeds and algae
Hairy Sand Weed
- Peak month
- July
- Records since 2000
- 1,583
- Scientific name
- Cladostephus spongiosus
Pseudo-nitzschia delicatissima
- Peak month
- April
- Records since 2000
- 1,552
- Group
- Seaweeds and algae
Harpoon Weed
- Peak month
- September
- Records since 2000
- 1,543
- Scientific name
- Asparagopsis armata
Cocconeis lineata
- Peak month
- September
- Records since 2000
- 1,505
- Group
- Seaweeds and algae
Rhizosolenia semispina
- Peak month
- May
- Records since 2000
- 1,490
- Group
- Seaweeds and algae
Membranoptera alata
- Peak month
- August
- Records since 2000
- 1,481
- Group
- Seaweeds and algae
Biddulphia sinensis
- Peak month
- April
- Records since 2000
- 1,445
- Group
- Seaweeds and algae
Tabellaria flocculosa
- Peak month
- September
- Records since 2000
- 1,437
- Group
- Seaweeds and algae
Vertebrata spec.
- Peak month
- September
- Records since 2000
- 1,406
- Group
- Seaweeds and algae
Navicula tripunctata
- Peak month
- September
- Records since 2000
- 1,396
- Group
- Seaweeds and algae
Vertebrata byssoides
- Peak month
- July
- Records since 2000
- 1,378
- Group
- Seaweeds and algae
Rhizosolenia delicatula
- Peak month
- June
- Records since 2000
- 1,346
- Group
- Seaweeds and algae
Wrack Siphon Weed
- Peak month
- September
- Records since 2000
- 1,326
- Scientific name
- Vertebrata lanosa
Cladophora glomerata
- Peak month
- August
- Records since 2000
- 1,314
- Group
- Seaweeds and algae
Worm Weed
- Peak month
- May
- Records since 2000
- 1,284
- Scientific name
- Dumontia contorta
Lauderia annulata
- Peak month
- April
- Records since 2000
- 1,279
- Group
- Seaweeds and algae
Drachiella spectabilis
- Peak month
- May
- Records since 2000
- 1,249
- Group
- Seaweeds and algae
Navicula cryptocephala
- Peak month
- September
- Records since 2000
- 1,248
- Group
- Seaweeds and algae
Surirella brebissonii
- Peak month
- April
- Records since 2000
- 1,226
- Group
- Seaweeds and algae
Sundstroemia setigera
- Peak month
- July
- Records since 2000
- 1,224
- Group
- Seaweeds and algae
Gomphonema olivaceoides
- Peak month
- April
- Records since 2000
- 1,219
- Group
- Seaweeds and algae
Nitzschia paleacea
- Peak month
- September
- Records since 2000
- 1,219
- Group
- Seaweeds and algae
Asterionella glacialis
- Peak month
- April
- Records since 2000
- 1,214
- Group
- Seaweeds and algae
Rusty rock
- Peak month
- September
- Records since 2000
- 1,190
- Scientific name
- Hildenbrandia rubra
Meridion circulare
- Peak month
- April
- Records since 2000
- 1,162
- Group
- Seaweeds and algae
Coral Maërl
- Peak month
- September
- Records since 2000
- 1,143
- Scientific name
- Lithothamnion corallioides
Vibrio paxillifer
- Peak month
- March
- Records since 2000
- 1,092
- Group
- Seaweeds and algae
Cocconeis pediculus
- Peak month
- September
- Records since 2000
- 1,067
- Group
- Seaweeds and algae