Common Rough Woodlouse
- Group
- Crustaceans
- Peak month
- April
- Records since 2000
- 6,413
- Home
- Species
Species
17,073 species
Lesser Yoke-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 6,411
Flounced Rustic
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 6,401
Barren Brome
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 6,383
Borage
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 6,379
Squat Lobster
- Group
- Crustaceans
- Peak month
- June
- Records since 2000
- 6,374
Purple Toadflax
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 6,373
Scentless bug
- Group
- True bugs
- Peak month
- August
- Records since 2000
- 6,364
Canadian Waterweed
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 6,360
Longspined bullhead, Sea Scorpion
- Group
- Fish
- Peak month
- June
- Records since 2000
- 6,355
Dingy Dowd
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 6,293
Carrot-sponge
- Group
- Sponges
- Peak month
- July
- Records since 2000
- 6,282
Mistletoe
- Group
- Flowering plants
- Peak month
- January
- Records since 2000
- 6,276
Clouded Drab
- Group
- Butterflies and moths
- Peak month
- April
- Records since 2000
- 6,269
Wild Privet
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 6,265
Tumid Notchwort
- Group
- Liverworts
- Peak month
- July
- Records since 2000
- 6,264
Garden Spider
- Group
- Spiders
- Peak month
- September
- Records since 2000
- 6,249
Hard Rush
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 6,248
Snipefly
- Group
- True flies
- Peak month
- June
- Records since 2000
- 6,241
Praxillella affinis
- Group
- Worms (annelids)
- Peak month
- July
- Records since 2000
- 6,240
Barren Strawberry
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 6,239
Crater sponge
- Group
- Sponges
- Peak month
- September
- Records since 2000
- 6,234
Froghopper
- Group
- True bugs
- Peak month
- May
- Records since 2000
- 6,233
Pollack
- Group
- Fish
- Peak month
- July
- Records since 2000
- 6,232
Variable forklet moss
- Group
- Mosses
- Peak month
- November
- Records since 2000
- 6,232
Maidenhair Spleenwort
- Group
- Ferns and horsetails
- Peak month
- April
- Records since 2000
- 6,221
Salted Shield Lichen
- Group
- Lichens
- Peak month
- May
- Records since 2000
- 6,211
Greater horseshoe bat
- Group
- Mammals
- Peak month
- February
- Records since 2000
- 6,208
Crosswort
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 6,186
Seedcorn Maggot
- Group
- True flies
- Peak month
- July
- Records since 2000
- 6,186
Wild Strawberry
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 6,172
Cape Thread-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 6,160
Palmate Newt
- Group
- Amphibians
- Peak month
- May
- Records since 2000
- 6,154
Notched pouchwort
- Group
- Liverworts
- Peak month
- April
- Records since 2000
- 6,149
Soft Brome
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 6,146
Meadow Campion
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 6,145
Small Square-spot
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 6,140
Mouse-ear-hawkweed
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 6,138
Rustic Sailor Beetle
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 6,138
Urothoe elegans
- Group
- Crustaceans
- Peak month
- June
- Records since 2000
- 6,137
Mat-grass
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 6,125
Black Horehound
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 6,109
Exogone naidina
- Group
- Worms (annelids)
- Peak month
- May
- Records since 2000
- 6,107
Sticky Mouse-ear
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 6,100
Scarlet Pimpernel
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 6,084
Three-cornered Garlic
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 6,061
Larger Mouse-tail Moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 6,047
Rock Pocket-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 6,047