Polycentropus kingi
- Group
- Caddisflies
- Peak month
- September
- Records since 2000
- 2,005
- Home
- Designations
- GB Red List (2001 IUCN criteria)
GB Red List (2001 IUCN criteria)
5,224 species
Caenis rivulorum
- Group
- Mayflies
- Peak month
- April
- Records since 2000
- 2,004
Black-poplar
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 2,002
Clustered Dock
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 2,002
Rock Samphire
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 1,995
Girgensohn's Bog-moss
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 1,993
Pale-fruited Thread-moss
- Group
- Mosses
- Peak month
- September
- Records since 2000
- 1,993
Twin-lobed Deerfly
- Group
- True flies
- Peak month
- July
- Records since 2000
- 1,993
Black spotted ground beetle
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 1,991
Red forklet moss
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 1,984
Alpine Lady's-mantle
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 1,982
Heath Earwort
- Group
- Liverworts
- Peak month
- July
- Records since 2000
- 1,975
Spring Sedge
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 1,975
Leptura quadrifasciata
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 1,971
Yellow Water-lily
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 1,971
Pill Sedge
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 1,968
Taylor's Flapwort
- Group
- Liverworts
- Peak month
- July
- Records since 2000
- 1,963
Perch
- Group
- Fish
- Peak month
- July
- Records since 2000
- 1,962
Cyrnus trimaculatus
- Group
- Caddisflies
- Peak month
- July
- Records since 2000
- 1,958
Orange-striped Stonefly
- Group
- Stoneflies
- Peak month
- September
- Records since 2000
- 1,953
Red-necked Phalarope
- Group
- Birds
- Peak month
- September
- Records since 2000
- 1,950
Cantharis decipiens
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 1,947
Carline Thistle
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 1,937
Globe Ball Lichen
- Group
- Lichens
- Peak month
- May
- Records since 2000
- 1,930
Chequered Skipper
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 1,929
Intermediate Hook-moss
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 1,929
Curved Silk-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 1,925
Hercynian Haircap
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 1,919
Harvest Mouse
- Group
- Mammals
- Peak month
- November
- Records since 2000
- 1,917
Stiff Tar-spot Lichen
- Group
- Lichens
- Peak month
- June
- Records since 2000
- 1,911
Wart lichen
- Group
- Fungi
- Peak month
- June
- Records since 2000
- 1,910
Changing Forget-me-not
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 1,909
Candelariella reflexa
- Group
- Lichens
- Peak month
- April
- Records since 2000
- 1,902
Revolute Beard-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 1,901
Brown Birch Bolete
- Group
- Fungi
- Peak month
- October
- Records since 2000
- 1,899
Fennel
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 1,899
Narrow Mushroom-headed Liverwort
- Group
- Liverworts
- Peak month
- July
- Records since 2000
- 1,890
Blue Bug
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 1,877
Cresponea premnea
- Group
- Lichens
- Peak month
- December
- Records since 2000
- 1,875
Early Needle Fly
- Group
- Stoneflies
- Peak month
- April
- Records since 2000
- 1,872
Pertusaria leioplaca
- Group
- Lichens
- Peak month
- May
- Records since 2000
- 1,872
Common Flat Periwinkle
- Group
- Molluscs
- Peak month
- August
- Records since 2000
- 1,870
Dull Four-spined Legionnaire
- Group
- True flies
- Peak month
- July
- Records since 2000
- 1,868
Greater Pond-sedge
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 1,868
Rinodina oleae
- Group
- Lichens
- Peak month
- August
- Records since 2000
- 1,868
Lemon-scented Fern
- Group
- Ferns and horsetails
- Peak month
- July
- Records since 2000
- 1,867
Black-headed Cardinal Beetle
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 1,862
Early Hair-grass
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 1,861