Moon-leaved Pincerwort
- Group
- Liverworts
- Peak month
- March
- Records since 2000
- 1,263
Species recorded in Conwy
564 species
Conwy — county
Navicula cryptocephala
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 1,248
Summer-moss
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 1,248
Sundstroemia setigera
- Group
- Seaweeds and algae
- Peak month
- July
- Records since 2000
- 1,224
Nitzschia paleacea
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 1,219
Compressed Flapwort
- Group
- Liverworts
- Peak month
- July
- Records since 2000
- 1,181
Donn's Grimmia
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 1,173
Neat Crisp-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 1,169
Meridion circulare
- Group
- Seaweeds and algae
- Peak month
- April
- Records since 2000
- 1,162
Large Brook Dun
- Group
- Mayflies
- Peak month
- April
- Records since 2000
- 1,160
Sulphur Beetle
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 1,098
Bucklandiella affinis
- Group
- Mosses
- Peak month
- May
- Records since 2000
- 1,048
Cylindrotheca closterium
- Group
- Seaweeds and algae
- Peak month
- April
- Records since 2000
- 1,005
Long-leaved Pouncewort
- Group
- Liverworts
- Peak month
- July
- Records since 2000
- 984
Floating Hook-moss
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 983
Spreading-leaved Grimmia
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 952
Brunton's Dog-tooth
- Group
- Mosses
- Peak month
- April
- Records since 2000
- 937
Heterocladium flaccidum
- Group
- Mosses
- Peak month
- April
- Records since 2000
- 922
Leptocylindrus danicus
- Group
- Seaweeds and algae
- Peak month
- July
- Records since 2000
- 840
Atlantic Pawwort
- Group
- Liverworts
- Peak month
- October
- Records since 2000
- 806
Western Frostwort
- Group
- Liverworts
- Peak month
- July
- Records since 2000
- 802
Leptocylindrus minimus
- Group
- Seaweeds and algae
- Peak month
- July
- Records since 2000
- 796
Cordate Flapwort
- Group
- Liverworts
- Peak month
- July
- Records since 2000
- 789
White Frostwort
- Group
- Liverworts
- Peak month
- July
- Records since 2000
- 786
Alpine Rock-moss
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 640
Long fringe-moss / elongate racomitrium moss
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 609
Marsupella aquatica
- Group
- Liverworts
- Peak month
- June
- Records since 2000
- 607
Ecdyonurus venosus
- Group
- Mayflies
- Peak month
- April
- Records since 2000
- 593
Belted Beauty
- Group
- Butterflies and moths
- Peak month
- April
- Records since 2000
- 590
Cliff Scalewort
- Group
- Liverworts
- Peak month
- April
- Records since 2000
- 588
Bucklandiella heterosticha
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 555
Fountain Smoothcap
- Group
- Mosses
- Peak month
- August
- Records since 2000
- 524
Greater Streak-moss
- Group
- Mosses
- Peak month
- September
- Records since 2000
- 507
Chionoloma cylindrotheca
- Group
- Mosses
- Peak month
- September
- Records since 2000
- 396
American Scoter
- Group
- Birds
- Peak month
- February
- Records since 2000
- 363
Lead-moss
- Group
- Mosses
- Peak month
- October
- Records since 2000
- 231