Dusky Beard-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 4,229
Species recorded in Essex
1,113 species
Essex — county
Field Scabious
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 4,209
Small Dusty Wave
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 4,204
Paradromius linearis
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 4,192
Grass bug
- Group
- True bugs
- Peak month
- May
- Records since 2000
- 4,190
Remote Sedge
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 4,173
Spotted gazelle beetle
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 4,163
Balm
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 4,147
Bread Wheat
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 4,143
Scarce Footman
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 4,122
Slender Ground Hopper
- Group
- Grasshoppers and crickets
- Peak month
- May
- Records since 2000
- 4,115
Great Pond Snail
- Group
- Molluscs
- Peak month
- June
- Records since 2000
- 4,111
Heath fritillary
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 4,096
Box bug
- Group
- True bugs
- Peak month
- April
- Records since 2000
- 4,093
Hypericum rhopalid
- Group
- True bugs
- Peak month
- May
- Records since 2000
- 4,081
Plant bug
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 4,070
Springtail
- Group
- Springtails
- Peak month
- August
- Records since 2000
- 4,070
Sea Aster
- Group
- Flowering plants
- Peak month
- October
- Records since 2000
- 4,057
Fool's Water-cress
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 4,038
Elbow-stripe Grass-veneer
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 4,026
Evergreen Oak
- Group
- Flowering plants
- Peak month
- October
- Records since 2000
- 4,016
Great Gray Shrike
- Group
- Birds
- Peak month
- March
- Records since 2000
- 3,999
Ruddy Shelduck
- Group
- Birds
- Peak month
- August
- Records since 2000
- 3,953
Chrysotus femoratus
- Group
- True flies
- Peak month
- June
- Records since 2000
- 3,931
Common Pollen Beetle
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 3,918
Bloody Crane's-bill
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 3,916
Hairy tare
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 3,912
Wood-sedge
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 3,912
Kidney-spot Ladybird
- Group
- Beetles
- Peak month
- April
- Records since 2000
- 3,907
Weld
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 3,893
Soft-tufted Beard-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 3,875
Portugal Laurel
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 3,862
Smooth Meadow-grass
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 3,858
Brassica Bug
- Group
- True bugs
- Peak month
- May
- Records since 2000
- 3,848
Striped Slender Robberfly
- Group
- True flies
- Peak month
- June
- Records since 2000
- 3,844
Common Spangle Gall
- Group
- Bees, wasps and ants
- Peak month
- September
- Records since 2000
- 3,837
Molanna angustata
- Group
- Caddisflies
- Peak month
- August
- Records since 2000
- 3,802
Goat's-beard
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 3,794
Upright Hedge-parsley
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 3,778
Wall Barley
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 3,773
Bud-headed Groove-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 3,760
Common Groundhopper
- Group
- Grasshoppers and crickets
- Peak month
- August
- Records since 2000
- 3,753
Water Screw-moss
- Group
- Mosses
- Peak month
- January
- Records since 2000
- 3,728
Hedgerow Crane's-bill
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 3,690
Jersey Tiger
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 3,666
Strawberry Harp Ground Beetle
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 3,630
Common Beet
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 3,628
Beaked Corydalis
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 3,624