Stilophora tenella
- Peak month
- September
- Records since 2000
- 61
- Group
- Seaweeds and algae
Plocamium maggsiae
- Peak month
- September
- Records since 2000
- 60
- Group
- Seaweeds and algae
Closterium juncidum
- Peak month
- July
- Records since 2000
- 59
- Group
- Seaweeds and algae
Gonatozygon brebissonii
- Peak month
- July
- Records since 2000
- 59
- Group
- Seaweeds and algae
Lithophyllum corallinae
- Peak month
- April
- Records since 2000
- 59
- Group
- Seaweeds and algae
Ulothrix speciosa
- Peak month
- June
- Records since 2000
- 59
- Group
- Seaweeds and algae
Auxenochlorella protothecoides
- Peak month
- January
- Records since 2000
- 58
- Group
- Seaweeds and algae
Bambusina borreri
- Peak month
- July
- Records since 2000
- 58
- Group
- Seaweeds and algae
Ethmodiscus punctiger
- Peak month
- May
- Records since 2000
- 58
- Group
- Seaweeds and algae
Navicula ignota
- Peak month
- April
- Records since 2000
- 58
- Group
- Seaweeds and algae
Chaetoceros teres
- Peak month
- April
- Records since 2000
- 57
- Group
- Seaweeds and algae
Didymogenes soliella
- Peak month
- January
- Records since 2000
- 57
- Group
- Seaweeds and algae
Staurastrum tetracerum
- Peak month
- July
- Records since 2000
- 57
- Group
- Seaweeds and algae
Tripodiscus argus
- Peak month
- May
- Records since 2000
- 56
- Group
- Seaweeds and algae
Adlafia bryophila
- Peak month
- September
- Records since 2000
- 55
- Group
- Seaweeds and algae
Coscinodiscus granii
- Peak month
- May
- Records since 2000
- 55
- Group
- Seaweeds and algae
Frustulia crassinveria
- Peak month
- April
- Records since 2000
- 55
- Group
- Seaweeds and algae
Gayliella flaccida
- Peak month
- July
- Records since 2000
- 55
- Group
- Seaweeds and algae
Gyrosigma attenuatum
- Peak month
- September
- Records since 2000
- 55
- Group
- Seaweeds and algae
Triceratium favus
- Peak month
- May
- Records since 2000
- 55
- Group
- Seaweeds and algae
A Desmid alga
- Peak month
- July
- Records since 2000
- 54
- Scientific name
- Closterium calosporum
Derbesia marina
- Peak month
- July
- Records since 2000
- 54
- Group
- Seaweeds and algae
Karayevia clevei
- Peak month
- September
- Records since 2000
- 54
- Group
- Seaweeds and algae
Pikea californica
- Peak month
- March
- Records since 2000
- 53
- Group
- Seaweeds and algae
Psammothidium bioretii
- Peak month
- April
- Records since 2000
- 53
- Group
- Seaweeds and algae
Actinotaenium cucurbita
- Peak month
- May
- Records since 2000
- 52
- Group
- Seaweeds and algae
Cosmarium punctulatum
- Peak month
- July
- Records since 2000
- 52
- Group
- Seaweeds and algae
Cylindrocystis brebissonii
- Peak month
- July
- Records since 2000
- 52
- Group
- Seaweeds and algae
Cymbella affinis
- Peak month
- September
- Records since 2000
- 52
- Group
- Seaweeds and algae
Hobaniella longicruris
- Peak month
- May
- Records since 2000
- 52
- Group
- Seaweeds and algae
Monosporus pedicellatus
- Peak month
- August
- Records since 2000
- 52
- Group
- Seaweeds and algae
Nitella opaca
- Peak month
- June
- Records since 2000
- 52
- Group
- Seaweeds and algae
Ralfsiella smithii
- Peak month
- May
- Records since 2000
- 52
- Group
- Seaweeds and algae
Red seaweed
- Peak month
- September
- Records since 2000
- 52
- Scientific name
- Gelidiella calcicola
Spermothamnion strictum
- Peak month
- September
- Records since 2000
- 52
- Group
- Seaweeds and algae
A Desmid alga
- Peak month
- June
- Records since 2000
- 51
- Scientific name
- Closterium navicula
Bacteriastrum hyalinum
- Peak month
- September
- Records since 2000
- 51
- Group
- Seaweeds and algae
Caulacanthus ustulatus
- Peak month
- May
- Records since 2000
- 51
- Group
- Seaweeds and algae
Coscinodiscus pavillardii
- Peak month
- September
- Records since 2000
- 51
- Group
- Seaweeds and algae
Cosmarium portianum
- Peak month
- July
- Records since 2000
- 51
- Group
- Seaweeds and algae
Dudresnaya verticillata
- Peak month
- July
- Records since 2000
- 51
- Group
- Seaweeds and algae
Grateloupia subpectinata
- Peak month
- September
- Records since 2000
- 51
- Group
- Seaweeds and algae
Navicula transitans
- Peak month
- September
- Records since 2000
- 51
- Group
- Seaweeds and algae
Prasiola crispa
- Peak month
- July
- Records since 2000
- 51
- Group
- Seaweeds and algae
Thalassiosira fallax
- Peak month
- September
- Records since 2000
- 51
- Group
- Seaweeds and algae
Thalassiosira levanderi
- Peak month
- September
- Records since 2000
- 51
- Group
- Seaweeds and algae
Thalassiosira nordenskioeldii
- Peak month
- September
- Records since 2000
- 51
- Group
- Seaweeds and algae
Chondria capillaris
- Peak month
- July
- Records since 2000
- 50
- Group
- Seaweeds and algae