Andrena bimaculata
- Group
- Bees, wasps and ants
- Records since 2000
- 121
- Peak month
- April
Blue-grey hellebore
- Group
- Flowering plants
- Records since 2000
- 121
- Scientific name
- Helleborus argutifolius
Ramularia lamii
- Group
- Fungi
- Records since 2000
- 121
- Peak month
- April
Tanytarsus brundini
- Group
- True flies
- Records since 2000
- 121
- Peak month
- April
Tortella fasciculata
- Group
- Mosses
- Records since 2000
- 121
- Peak month
- April
Davis’s river diver
- Group
- Beetles
- Records since 2000
- 120
- Scientific name
- Oreodytes davisii
Peroneutypa scoparia
- Group
- Fungi
- Records since 2000
- 120
- Peak month
- April
Peronospora arvensis
- Group
- Microorganisms and protists
- Records since 2000
- 120
- Peak month
- April
African Stonechat
- Group
- Birds
- Records since 2000
- 118
- Scientific name
- Saxicola torquatus
American Cress
- Group
- Flowering plants
- Records since 2000
- 118
- Scientific name
- Barbarea verna
Blue Antimora
- Group
- Fish
- Records since 2000
- 118
- Scientific name
- Antimora rostrata
Peziza varia
- Group
- Fungi
- Records since 2000
- 118
- Peak month
- April
Platycheirus ambiguum
- Group
- True flies
- Records since 2000
- 117
- Peak month
- April
Nomada ferruginata
- Group
- Bees, wasps and ants
- Records since 2000
- 116
- Peak month
- April
Scatopse notata
- Group
- True flies
- Records since 2000
- 116
- Peak month
- April
Spring Cinquefoil
- Group
- Flowering plants
- Records since 2000
- 116
- Scientific name
- Potentilla verna
Blue anemone
- Group
- Flowering plants
- Records since 2000
- 115
- Scientific name
- Anemone apennina
Escharoides mamillata
- Group
- Bryozoans
- Records since 2000
- 115
- Peak month
- April
Fingered Sedge
- Group
- Flowering plants
- Records since 2000
- 115
- Scientific name
- Carex digitata
Heliozela sericiella
- Group
- Butterflies and moths
- Records since 2000
- 115
- Peak month
- April
Reeves's Pheasant
- Group
- Birds
- Records since 2000
- 115
- Scientific name
- Syrmaticus reevesii
Schistidium robustum
- Group
- Mosses
- Records since 2000
- 115
- Peak month
- April
6-Banded Nomad Bee
- Group
- Bees, wasps and ants
- Records since 2000
- 114
- Scientific name
- Nomada fulvicornis
Achnanthidium lineare
- Group
- Seaweeds and algae
- Records since 2000
- 114
- Peak month
- April
Boreal yellow-headed soil centipede
- Group
- Centipedes
- Records since 2000
- 114
- Scientific name
- Geophilus flavus
Fragilaria pectinalis
- Group
- Seaweeds and algae
- Records since 2000
- 114
- Peak month
- April
Hysterium angustatum
- Group
- Fungi
- Records since 2000
- 114
- Peak month
- April
Jackrogersella minutella
- Group
- Fungi
- Records since 2000
- 114
- Peak month
- April
Kateretes pusillus
- Group
- Beetles
- Records since 2000
- 114
- Peak month
- April
Sialis fuliginosa
- Group
- Other insects
- Records since 2000
- 114
- Peak month
- April
A ribbon worm
- Group
- Other invertebrates
- Records since 2000
- 112
- Scientific name
- Tetrastemma vermiculus
Banded Mining Bee
- Group
- Bees, wasps and ants
- Records since 2000
- 112
- Scientific name
- Andrena gravida
Micropodia pteridina
- Group
- Fungi
- Records since 2000
- 112
- Peak month
- April
Tachina lurida
- Group
- True flies
- Records since 2000
- 112
- Peak month
- April
Bristle worm
- Group
- Worms (annelids)
- Records since 2000
- 111
- Scientific name
- Sternaspis scutata
Polycelis tenuis
- Group
- Flatworms
- Records since 2000
- 111
- Peak month
- April
Scarce turf-moss
- Group
- Mosses
- Records since 2000
- 111
- Scientific name
- Rhytidiadelphus subpinnatus
Dutch-lily
- Group
- Flowering plants
- Records since 2000
- 110
- Scientific name
- Tulipa sylvestris
Purple ramping-fumitory
- Group
- Flowering plants
- Records since 2000
- 110
- Scientific name
- Fumaria purpurea
Gyrophanopsis polonensis
- Group
- Fungi
- Records since 2000
- 109
- Peak month
- April
Lachnum brevipilosum
- Group
- Fungi
- Records since 2000
- 109
- Peak month
- April
Marbled Duck
- Group
- Birds
- Records since 2000
- 109
- Scientific name
- Marmaronetta angustirostris
Sieve-tooth Moss
- Group
- Mosses
- Records since 2000
- 109
- Scientific name
- Coscinodon cribrosus
Blue Crystalwort
- Group
- Liverworts
- Records since 2000
- 108
- Scientific name
- Riccia crystallina
Centroptilum luteolum
- Group
- Mayflies
- Records since 2000
- 108
- Peak month
- April
Ensis leei
- Group
- Molluscs
- Records since 2000
- 108
- Peak month
- April
Campylaspis legendrei
- Group
- Crustaceans
- Records since 2000
- 107
- Peak month
- April
Heteromyza commixta
- Group
- True flies
- Records since 2000
- 107
- Peak month
- April