Italian Alder
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 1,104
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- Species
Species
17,073 species
Jagged Notchwort
- Group
- Liverworts
- Peak month
- July
- Records since 2000
- 1,104
Glistenworm
- Group
- Molluscs
- Peak month
- August
- Records since 2000
- 1,103
White-legged Snake Millipede
- Group
- Millipedes
- Peak month
- April
- Records since 2000
- 1,102
Scarce Umber
- Group
- Butterflies and moths
- Peak month
- May
- Records since 2000
- 1,101
Daddy Longleg
- Group
- Mites, harvestmen and other arachnids
- Peak month
- August
- Records since 2000
- 1,100
Slender Spider Crab
- Group
- Crustaceans
- Peak month
- March
- Records since 2000
- 1,100
Tortricid moth
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 1,100
Bear's-breech
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 1,099
Minettia fasciata
- Group
- True flies
- Peak month
- July
- Records since 2000
- 1,099
Devil's Coach-horse
- Group
- Beetles
- Peak month
- September
- Records since 2000
- 1,098
Sulphur Beetle
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 1,098
Corynoptera forcipata
- Group
- True flies
- Peak month
- May
- Records since 2000
- 1,096
Papillicardium minimum
- Group
- Molluscs
- Peak month
- October
- Records since 2000
- 1,096
Plant bug
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 1,096
Sea Spurge
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 1,096
Tipula confusa
- Group
- True flies
- Peak month
- September
- Records since 2000
- 1,096
Urothoe brevicornis
- Group
- Crustaceans
- Peak month
- June
- Records since 2000
- 1,096
Megaselia nigriceps
- Group
- True flies
- Peak month
- June
- Records since 2000
- 1,095
Sarcogyne lichen
- Group
- Lichens
- Peak month
- June
- Records since 2000
- 1,095
Polycarpa pomaria
- Group
- Sea squirts
- Peak month
- June
- Records since 2000
- 1,094
Reindeer Lichen
- Group
- Lichens
- Peak month
- September
- Records since 2000
- 1,094
Sainfoin
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 1,094
Wood Meadow-grass
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 1,094
Broken-belted Bumble Bee
- Group
- Bees, wasps and ants
- Peak month
- September
- Records since 2000
- 1,093
Flat Valve Snail
- Group
- Molluscs
- Peak month
- May
- Records since 2000
- 1,093
Strawberry Anemone
- Group
- Jellyfish, corals and anemones
- Peak month
- April
- Records since 2000
- 1,093
Common Ramping-fumitory
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 1,092
Dull Starry Feather-moss
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 1,092
Vibrio paxillifer
- Group
- Seaweeds and algae
- Peak month
- March
- Records since 2000
- 1,092
Wolf's milk Slime
- Group
- Microorganisms and protists
- Peak month
- May
- Records since 2000
- 1,092
Yellowish planthopper
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 1,092
Adder's-tongue
- Group
- Ferns and horsetails
- Peak month
- May
- Records since 2000
- 1,091
Imperforate St John's-wort
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 1,090
Dusky Crane's-bill
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 1,089
Epitriptus cingulatus
- Group
- True flies
- Peak month
- August
- Records since 2000
- 1,089
Black-browed Albatross
- Group
- Birds
- Peak month
- July
- Records since 2000
- 1,088
Dicyrtomina saundersi
- Group
- Springtails
- Peak month
- December
- Records since 2000
- 1,088
Horseman anemone
- Group
- Jellyfish, corals and anemones
- Peak month
- August
- Records since 2000
- 1,088
Oak Apple Gall Causer
- Group
- Bees, wasps and ants
- Peak month
- May
- Records since 2000
- 1,088
Common Whitebeam
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 1,087
Black-grass
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 1,086
Bougainvillia principis
- Group
- Jellyfish, corals and anemones
- Peak month
- August
- Records since 2000
- 1,086
Lobe-spurred Furrow Bee
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 1,086
Short-fringed Miner
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 1,086
Wallemia sebi
- Group
- Fungi
- Peak month
- August
- Records since 2000
- 1,085
Azure Hawker
- Group
- Dragonflies and damselflies
- Peak month
- July
- Records since 2000
- 1,083
French Crane's-bill
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 1,083