Crunoecia irrorata
- Group
- Caddisflies
- Peak month
- June
- Records since 2000
- 1,656
Species recorded in Powys
1,168 species
Powys — county
Cat-tongue Liverwort
- Group
- Liverworts
- Peak month
- April
- Records since 2000
- 1,645
Nees' Pellia
- Group
- Liverworts
- Peak month
- July
- Records since 2000
- 1,644
Beraea maurus
- Group
- Caddisflies
- Peak month
- July
- Records since 2000
- 1,639
Curve-leaved Ditrichum
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 1,621
Taper-leaved Earth-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 1,611
Ant
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 1,606
River Grimmia
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 1,582
Dung Roundhead
- Group
- Fungi
- Peak month
- October
- Records since 2000
- 1,575
Nut-moss
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 1,549
Heart-leaved Spear-moss
- Group
- Mosses
- Peak month
- June
- Records since 2000
- 1,548
Bog Pimpernel
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 1,537
Sickle-leaved Hook-moss
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 1,532
Diplectrona felix
- Group
- Caddisflies
- Peak month
- June
- Records since 2000
- 1,523
Great snail-leech
- Group
- Worms (annelids)
- Peak month
- September
- Records since 2000
- 1,516
Palmate Germanderwort
- Group
- Liverworts
- Peak month
- July
- Records since 2000
- 1,511
Cladonia diversa
- Group
- Lichens
- Peak month
- May
- Records since 2000
- 1,509
Cocconeis lineata
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 1,505
Pincer Blackclock
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 1,504
Oecetis testacea
- Group
- Caddisflies
- Peak month
- April
- Records since 2000
- 1,496
Lepra corallina
- Group
- Lichens
- Peak month
- May
- Records since 2000
- 1,493
Trunk Pawwort
- Group
- Liverworts
- Peak month
- April
- Records since 2000
- 1,473
Ciliate reindeer lichen
- Group
- Lichens
- Peak month
- August
- Records since 2000
- 1,471
Common Neobisid
- Group
- Mites, harvestmen and other arachnids
- Peak month
- March
- Records since 2000
- 1,470
Scarce Small Yellow Sally
- Group
- Stoneflies
- Peak month
- April
- Records since 2000
- 1,468
Toothwort
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 1,454
Rock Veilwort
- Group
- Liverworts
- Peak month
- May
- Records since 2000
- 1,448
Tabellaria flocculosa
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 1,437
Greater Butterfly-orchid
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 1,408
Lepidostoma basale
- Group
- Caddisflies
- Peak month
- September
- Records since 2000
- 1,403
Fountain Feather-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 1,402
Navicula tripunctata
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 1,396
Sea Lamprey
- Group
- Fish
- Peak month
- October
- Records since 2000
- 1,394
Rough Earwort
- Group
- Liverworts
- Peak month
- July
- Records since 2000
- 1,371
Monkeyflower
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 1,361
Cedarwood Waxcap
- Group
- Fungi
- Peak month
- November
- Records since 2000
- 1,356
Ecclisopteryx dalecarlica
- Group
- Caddisflies
- Peak month
- October
- Records since 2000
- 1,349
Common Boulder Lichen
- Group
- Lichens
- Peak month
- April
- Records since 2000
- 1,342
Willow Fly
- Group
- Stoneflies
- Peak month
- April
- Records since 2000
- 1,342
Crazed Cap
- Group
- Fungi
- Peak month
- October
- Records since 2000
- 1,267
Navicula cryptocephala
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 1,248
Dot lichen
- Group
- Lichens
- Peak month
- May
- Records since 2000
- 1,238
Agapetus ochripes
- Group
- Caddisflies
- Peak month
- May
- Records since 2000
- 1,237
Surirella brebissonii
- Group
- Seaweeds and algae
- Peak month
- April
- Records since 2000
- 1,226
St Winifrid's Other Moss
- Group
- Liverworts
- Peak month
- March
- Records since 2000
- 1,225
Gomphonema olivaceoides
- Group
- Seaweeds and algae
- Peak month
- April
- Records since 2000
- 1,219
Nitzschia paleacea
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 1,219
Starry Thyme-moss
- Group
- Mosses
- Peak month
- April
- Records since 2000
- 1,204