Perennial Honesty
- Group
- Flowering plants
- Records since 2000
- 209
- Scientific name
- Lunaria rediviva
Lecidea lichen
- Group
- Lichens
- Records since 2000
- 208
- Scientific name
- Lecidea plana
Lecidella carpathica
- Group
- Lichens
- Records since 2000
- 208
- Peak month
- May
Limnephilus elegans
- Group
- Caddisflies
- Records since 2000
- 207
- Peak month
- May
Aricidea laubieri
- Group
- Worms (annelids)
- Records since 2000
- 206
- Peak month
- May
Clymenella torquata
- Group
- Worms (annelids)
- Records since 2000
- 206
- Peak month
- May
Lasioglossum laevigatum
- Group
- Bees, wasps and ants
- Records since 2000
- 206
- Peak month
- May
Mycetophagus atomarius
- Group
- Beetles
- Records since 2000
- 206
- Peak month
- May
Cercyon marinus
- Group
- Beetles
- Records since 2000
- 205
- Peak month
- May
Parametriocnemus stylatus
- Group
- True flies
- Records since 2000
- 205
- Peak month
- May
Porpidia hydrophila
- Group
- Lichens
- Records since 2000
- 205
- Peak month
- May
Real's wood white
- Group
- Butterflies and moths
- Records since 2000
- 205
- Scientific name
- Leptidea juvernica
Synchytrium taraxaci
- Group
- Fungi
- Records since 2000
- 205
- Peak month
- May
Tower Mustard
- Group
- Flowering plants
- Records since 2000
- 205
- Scientific name
- Turritis glabra
Corynoptera saccata
- Group
- True flies
- Records since 2000
- 204
- Peak month
- May
Medium flowered winter-cress
- Group
- Flowering plants
- Records since 2000
- 204
- Scientific name
- Barbarea intermedia
Scrobipalpa acuminatella
- Group
- Butterflies and moths
- Records since 2000
- 204
- Peak month
- May
Calcareous gymnostomum moss
- Group
- Mosses
- Records since 2000
- 203
- Scientific name
- Gymnostomum calcareum
Colobopterus erraticus
- Group
- Beetles
- Records since 2000
- 203
- Peak month
- May
Dyschirius politus
- Group
- Beetles
- Records since 2000
- 203
- Peak month
- May
Myopa buccata
- Group
- True flies
- Records since 2000
- 203
- Peak month
- May
Cecilioides acicula
- Group
- Molluscs
- Records since 2000
- 202
- Peak month
- May
Odostomia unidentata
- Group
- Molluscs
- Records since 2000
- 202
- Peak month
- May
Zygoceros rhombus
- Group
- Seaweeds and algae
- Records since 2000
- 202
- Peak month
- May
Bearberry cotoneaster
- Group
- Flowering plants
- Records since 2000
- 201
- Scientific name
- Cotoneaster dammeri
Oak Leaf-roller
- Group
- Beetles
- Records since 2000
- 201
- Scientific name
- Attelabus nitens
Proboscia inermis
- Group
- Seaweeds and algae
- Records since 2000
- 201
- Peak month
- May
Phanerochaete sordida
- Group
- Fungi
- Records since 2000
- 200
- Peak month
- May
Barred hook-tip
- Group
- Butterflies and moths
- Records since 2000
- 199
- Scientific name
- Watsonalla cultraria
Lepraria jackii
- Group
- Lichens
- Records since 2000
- 199
- Peak month
- May
Liparus coronatus
- Group
- Beetles
- Records since 2000
- 199
- Peak month
- May
Nereis pelagica
- Group
- Worms (annelids)
- Records since 2000
- 199
- Peak month
- May
Scaphidium quadrimaculatum
- Group
- Beetles
- Records since 2000
- 199
- Peak month
- May
Sitona lineellus
- Group
- Beetles
- Records since 2000
- 199
- Peak month
- May
Small purple-barred
- Group
- Butterflies and moths
- Records since 2000
- 199
- Scientific name
- Phytometra viridaria
Coenosia infantula
- Group
- True flies
- Records since 2000
- 198
- Peak month
- May
Phaeocystis pouchetii
- Group
- Microorganisms and protists
- Records since 2000
- 198
- Peak month
- May
Pulvinaria regalis
- Group
- True bugs
- Records since 2000
- 198
- Peak month
- May
Gongylidium rufipes
- Group
- Spiders
- Records since 2000
- 197
- Peak month
- May
Horse leech
- Group
- Worms (annelids)
- Records since 2000
- 197
- Scientific name
- Haemopis sanguisuga
Privet Sawfly
- Group
- Bees, wasps and ants
- Records since 2000
- 197
- Scientific name
- Macrophya punctumalbum
Hilara maura
- Group
- True flies
- Records since 2000
- 196
- Peak month
- May
Japewiella tavaresiana
- Group
- Lichens
- Records since 2000
- 196
- Peak month
- May
Paromalus flavicornis
- Group
- Beetles
- Records since 2000
- 196
- Peak month
- May
Pseudomonas syringae
- Group
- Microorganisms and protists
- Records since 2000
- 196
- Peak month
- May
Tenthredo atra
- Group
- Bees, wasps and ants
- Records since 2000
- 196
- Peak month
- May
A water beetle
- Group
- Beetles
- Records since 2000
- 195
- Scientific name
- Sphaeridium scarabaeoides
Bastard Balm
- Group
- Flowering plants
- Records since 2000
- 195
- Scientific name
- Melittis melissophyllum