Nail Fungus
- Group
- Fungi
- Peak month
- October
- Records since 2000
- 119
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- Biodiversity List – Wales
Biodiversity List – Wales
364 species
Broom-tip
- Group
- Butterflies and moths
- Peak month
- May
- Records since 2000
- 117
Brown Shield-moss
- Group
- Mosses
- Peak month
- September
- Records since 2000
- 116
A lichen
- Group
- Lichens
- Peak month
- May
- Records since 2000
- 113
Galium carpet
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 113
Garden dart
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 111
Mason bee
- Group
- Bees, wasps and ants
- Peak month
- May
- Records since 2000
- 110
Purple ramping-fumitory
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 110
Southern grey physcia
- Group
- Lichens
- Peak month
- May
- Records since 2000
- 109
Welsh Clearwing
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 108
A crab spider
- Group
- Spiders
- Peak month
- August
- Records since 2000
- 107
Divided Sedge
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 107
Shepherd's-needle
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 107
A stalked jellyfish
- Group
- Jellyfish, corals and anemones
- Peak month
- August
- Records since 2000
- 106
A tooth fungus
- Group
- Fungi
- Peak month
- September
- Records since 2000
- 106
Silky Wave
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 104
Wood Bitter-vetch
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 102
Blunt-leaved bristle moss
- Group
- Mosses
- Peak month
- November
- Records since 2000
- 100
A lichen
- Group
- Lichens
- Peak month
- January
- Records since 2000
- 99
Cuvier's beaked whale
- Group
- Mammals
- Peak month
- October
- Records since 2000
- 98
Floating Water-Plantain
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 98
Small-White Orchid
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 97
Three-lobed Crowfoot
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 96
A lichen
- Group
- Fungi
- Peak month
- January
- Records since 2000
- 95
Sausage Beard-moss
- Group
- Mosses
- Peak month
- November
- Records since 2000
- 92
A lichen
- Group
- Lichens
- Peak month
- March
- Records since 2000
- 91
A lichen
- Group
- Lichens
- Peak month
- December
- Records since 2000
- 91
Netted Carpet
- Group
- Butterflies and moths
- Peak month
- September
- Records since 2000
- 91
V-moth
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 91
A lichen
- Group
- Lichens
- Peak month
- December
- Records since 2000
- 90
White-spotted Sable
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 90
Allis Shad
- Group
- Fish
- Peak month
- June
- Records since 2000
- 89
Black Headed Mason Wasp
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 89
Cliff tiger beetle
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 89
Fen Orchid
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 89
Sea Stock
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 89
Shore Dock
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 88
Spreading-leaved beardless-moss
- Group
- Mosses
- Peak month
- November
- Records since 2000
- 88
A lichen
- Group
- Lichens
- Peak month
- March
- Records since 2000
- 87
Corn Buttercup
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 87
Dark spinach
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 87
Wall Mason Bee
- Group
- Bees, wasps and ants
- Peak month
- May
- Records since 2000
- 85
Black Crystalwort
- Group
- Liverworts
- Peak month
- February
- Records since 2000
- 83
Loggerhead turtle
- Group
- Reptiles
- Peak month
- October
- Records since 2000
- 83
A lichen
- Group
- Lichens
- Peak month
- October
- Records since 2000
- 82
Flat-sedge
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 80
Bog Orchid
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 79
Arctic Mouse-ear
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 78