Clossiana euphrosyne
- Group
- Butterflies and moths
- Peak month
- May
- Records since 2000
- 12,660
Species recorded in Devon
1,755 species
Devon — county
Smooth Sow-thistle
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 12,637
Jack Snipe
- Group
- Birds
- Peak month
- October
- Records since 2000
- 12,579
Fern-leaved Hook-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 12,557
Common long-eared bat
- Group
- Mammals
- Peak month
- June
- Records since 2000
- 12,493
Oxeye Daisy
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 12,477
Noctule Bat
- Group
- Mammals
- Peak month
- July
- Records since 2000
- 12,276
Long-beaked Water Feather-moss
- Group
- Mosses
- Peak month
- August
- Records since 2000
- 12,273
Western waterweed, Nuttall's waterweed
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 12,267
Wild Angelica
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 12,214
Bladder Wrack
- Group
- Seaweeds and algae
- Peak month
- August
- Records since 2000
- 12,111
Enchanter's nightshade, Witch's grass
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 12,056
Silverweed
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 12,032
Common Chickweed
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 11,998
Greater Stitchwort
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 11,979
Wood White
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 11,917
Elegant Silk-moss
- Group
- Mosses
- Peak month
- April
- Records since 2000
- 11,892
Water Pipit
- Group
- Birds
- Peak month
- January
- Records since 2000
- 11,870
Endive Pellia
- Group
- Liverworts
- Peak month
- September
- Records since 2000
- 11,837
River Feather-moss
- Group
- Mosses
- Peak month
- April
- Records since 2000
- 11,799
Atlantic spider crab
- Group
- Crustaceans
- Peak month
- September
- Records since 2000
- 11,797
Purple Moor-grass
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 11,789
Brown rat
- Group
- Mammals
- Peak month
- October
- Records since 2000
- 11,756
Devil's-bit Scabious
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 11,742
Eared Grebe
- Group
- Birds
- Peak month
- January
- Records since 2000
- 11,738
Common Flower Fly
- Group
- True flies
- Peak month
- July
- Records since 2000
- 11,730
Great Scallop
- Group
- Molluscs
- Peak month
- March
- Records since 2000
- 11,696
Crested Dog's-tail
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 11,688
Thickpoint Grimmia
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 11,680
Lesser Pocket-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 11,582
Rough Meadow-grass
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 11,534
Prickly Sow-thistle
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 11,523
Rhododendron
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 11,503
Volucella pellucens
- Group
- True flies
- Peak month
- June
- Records since 2000
- 11,473
Male-fern
- Group
- Ferns and horsetails
- Peak month
- May
- Records since 2000
- 11,400
Water Mint
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 11,367
Canada yew
- Group
- Conifers
- Peak month
- April
- Records since 2000
- 11,357
Creeping Cinquefoil
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 11,337
Agapetus fuscipes
- Group
- Caddisflies
- Peak month
- April
- Records since 2000
- 11,335
Frizzled Pincushion
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 11,282
Little Shaggy-moss
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 11,231
Pyramidal Orchid
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 11,220
Square Caddisfly
- Group
- Caddisflies
- Peak month
- April
- Records since 2000
- 11,212
Heath Bedstraw
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 11,207
Supine Plait-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 11,134
Common Green Grasshopper
- Group
- Grasshoppers and crickets
- Peak month
- July
- Records since 2000
- 11,050
Narrowleaf Vetch
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 11,032
Dotted Thyme-moss
- Group
- Mosses
- Peak month
- April
- Records since 2000
- 11,029