Achnanthes lauenburgiana
- Group
- Seaweeds and algae
- Records since 2000
- 281
- Peak month
- September
Common Glasswort
- Group
- Flowering plants
- Records since 2000
- 281
- Scientific name
- Salicornia europaea
Brachystomia eulimoides
- Group
- Molluscs
- Records since 2000
- 279
- Peak month
- September
Sphagnum calypogeja
- Group
- Liverworts
- Records since 2000
- 277
- Scientific name
- Calypogeia sphagnicola
Lamprotettix nitidulus
- Group
- True bugs
- Records since 2000
- 274
- Peak month
- September
Catillaria atomarioides
- Group
- Lichens
- Records since 2000
- 273
- Peak month
- September
Proasellus meridianus
- Group
- Crustaceans
- Records since 2000
- 273
- Peak month
- September
Stenopsocus immaculatus
- Group
- Other insects
- Records since 2000
- 273
- Peak month
- September
Legaliana badia
- Group
- Fungi
- Records since 2000
- 272
- Peak month
- September
Roccella lichen
- Group
- Lichens
- Records since 2000
- 272
- Scientific name
- Roccella phycopsis
Phaeographis smithii
- Group
- Lichens
- Records since 2000
- 271
- Peak month
- September
Sericoderus brevicornis
- Group
- Beetles
- Records since 2000
- 271
- Peak month
- September
Achnanthes subatomus
- Group
- Seaweeds and algae
- Records since 2000
- 270
- Peak month
- September
Anthopleura ballii
- Group
- Jellyfish, corals and anemones
- Records since 2000
- 270
- Peak month
- September
Pallid chink shell
- Group
- Molluscs
- Records since 2000
- 270
- Scientific name
- Lacuna pallidula
A tooth fungus
- Group
- Fungi
- Records since 2000
- 269
- Scientific name
- Hydnellum scabrosum
Andricus grossulariae
- Group
- Bees, wasps and ants
- Records since 2000
- 269
- Peak month
- September
Leucodermia leucomelos
- Group
- Lichens
- Records since 2000
- 267
- Peak month
- September
Long-nosed Skate, Sharpnose Skate
- Group
- Fish
- Records since 2000
- 267
- Scientific name
- Dipturus oxyrinchus
Navicula molestiformis
- Group
- Seaweeds and algae
- Records since 2000
- 267
- Peak month
- September
Acalitus brevitarsus
- Group
- Mites, harvestmen and other arachnids
- Records since 2000
- 266
- Peak month
- September
Idotea chelipes
- Group
- Crustaceans
- Records since 2000
- 264
- Peak month
- September
Cyrillia linearis
- Group
- Molluscs
- Records since 2000
- 263
- Peak month
- September
Pisidium amnicum
- Group
- Molluscs
- Records since 2000
- 260
- Peak month
- September
Rhypholophus varius
- Group
- True flies
- Records since 2000
- 260
- Peak month
- September
Trididemnum cereum
- Group
- Sea squirts
- Records since 2000
- 260
- Peak month
- September
Erysiphe convolvuli
- Group
- Fungi
- Records since 2000
- 259
- Peak month
- September
A spire snail
- Group
- Molluscs
- Records since 2000
- 258
- Scientific name
- Ecrobia ventrosa
Amphisbetia distans
- Group
- Jellyfish, corals and anemones
- Records since 2000
- 258
- Peak month
- September
Rhaphoneis amphiceros
- Group
- Seaweeds and algae
- Records since 2000
- 257
- Peak month
- September
Philocheras bispinosus
- Group
- Crustaceans
- Records since 2000
- 256
- Peak month
- September
Cecidophyes nudus
- Group
- Mites, harvestmen and other arachnids
- Records since 2000
- 255
- Peak month
- September
Orange sallow
- Group
- Butterflies and moths
- Records since 2000
- 255
- Scientific name
- Tiliacea citrago
Orsillus depressus
- Group
- True bugs
- Records since 2000
- 255
- Peak month
- September
A tooth fungus
- Group
- Fungi
- Records since 2000
- 254
- Scientific name
- Hydnellum ferrugineum
Harpinia laevis
- Group
- Crustaceans
- Records since 2000
- 252
- Peak month
- September
Parasitic Bolete
- Group
- Fungi
- Records since 2000
- 252
- Scientific name
- Pseudoboletus parasiticus
Russula foetens
- Group
- Fungi
- Records since 2000
- 252
- Peak month
- September
Russula puellaris
- Group
- Fungi
- Records since 2000
- 251
- Peak month
- September
Persicaria capitata
- Group
- Flowering plants
- Records since 2000
- 250
- Peak month
- September
Mottled Bolete
- Group
- Fungi
- Records since 2000
- 249
- Scientific name
- Leccinum variicolor
Oreodytes septentrionalis
- Group
- Beetles
- Records since 2000
- 249
- Peak month
- September
Philotarsus parviceps
- Group
- Other insects
- Records since 2000
- 249
- Peak month
- September
Portumnus latipes
- Group
- Crustaceans
- Records since 2000
- 249
- Peak month
- September
Erysiphe berberidis
- Group
- Fungi
- Records since 2000
- 248
- Peak month
- September
Aplysilla rosea
- Group
- Sponges
- Records since 2000
- 247
- Peak month
- September
Bruchidius imbricornis
- Group
- Beetles
- Records since 2000
- 246
- Peak month
- September
Hygrotus confluens
- Group
- Beetles
- Records since 2000
- 245
- Peak month
- September