Sweet Violet
- Group
- Flowering plants
- Records since 2000
- 4,784
- Scientific name
- Viola odorata
Wavy Beard-moss
- Group
- Mosses
- Records since 2000
- 4,738
- Scientific name
- Husnotiella sinuosa
Pellucid Four-tooth Moss
- Group
- Mosses
- Records since 2000
- 4,733
- Scientific name
- Tetraphis pellucida
Streblotrichum commutatum
- Group
- Mosses
- Records since 2000
- 4,722
- Peak month
- March
Dwarf Swan-neck Moss
- Group
- Mosses
- Records since 2000
- 4,704
- Scientific name
- Campylopus pyriformis
Minute Pouncewort
- Group
- Liverworts
- Records since 2000
- 4,557
- Scientific name
- Myriocoleopsis minutissima
Lungwort [lichen]
- Group
- Lichens
- Records since 2000
- 4,515
- Scientific name
- Lobaria pulmonaria
Yellow Feather-moss
- Group
- Mosses
- Records since 2000
- 4,490
- Scientific name
- Homalothecium lutescens
Small Quaker
- Group
- Butterflies and moths
- Records since 2000
- 4,464
- Scientific name
- Orthosia cruda
Maidenhair Pocket-moss
- Group
- Mosses
- Records since 2000
- 4,452
- Scientific name
- Fissidens adianthoides
Cherry Plum
- Group
- Flowering plants
- Records since 2000
- 4,436
- Scientific name
- Prunus cerasifera
Dwarf Feather-moss
- Group
- Mosses
- Records since 2000
- 4,434
- Scientific name
- Microeurhynchium pumilum
Black Stone Flower
- Group
- Lichens
- Records since 2000
- 4,349
- Scientific name
- Parmotrema perlatum
Dusky Beard-moss
- Group
- Mosses
- Records since 2000
- 4,229
- Scientific name
- Geheebia lurida
Spiral Extinguisher-moss
- Group
- Mosses
- Records since 2000
- 4,012
- Scientific name
- Encalypta streptocarpa
Great Gray Shrike
- Group
- Birds
- Records since 2000
- 3,999
- Scientific name
- Lanius excubitor
Soft-tufted Beard-moss
- Group
- Mosses
- Records since 2000
- 3,875
- Scientific name
- Vinealobryum vineale
Whiskered Veilwort
- Group
- Liverworts
- Records since 2000
- 3,874
- Scientific name
- Metzgeria consanguinea
Bud-headed Groove-moss
- Group
- Mosses
- Records since 2000
- 3,760
- Scientific name
- Aulacomnium androgynum
Long-beaked Thyme-moss
- Group
- Mosses
- Records since 2000
- 3,723
- Scientific name
- Plagiomnium rostratum
Blunt Feather-moss
- Group
- Mosses
- Records since 2000
- 3,573
- Scientific name
- Homalia trichomanoides
Woodsy Silk-moss
- Group
- Mosses
- Records since 2000
- 3,549
- Scientific name
- Plagiothecium nemorale
Powdered Speckled Shield Lichen
- Group
- Lichens
- Records since 2000
- 3,528
- Scientific name
- Punctelia subrudecta
Rambling Tail-moss
- Group
- Mosses
- Records since 2000
- 3,488
- Scientific name
- Anomodon viticulosus
Whitewash Lichen
- Group
- Lichens
- Records since 2000
- 3,483
- Scientific name
- Phlyctis argena
Hairy Whitlowgrass
- Group
- Flowering plants
- Records since 2000
- 3,432
- Scientific name
- Draba verna
Western Pouncewort
- Group
- Liverworts
- Records since 2000
- 3,422
- Scientific name
- Lejeunea lamacerina
Wall Scalewort
- Group
- Liverworts
- Records since 2000
- 3,323
- Scientific name
- Porella platyphylla
Straw Bristle-moss
- Group
- Mosses
- Records since 2000
- 3,148
- Scientific name
- Orthotrichum stramineum
Gwynne's Mining Bee
- Group
- Bees, wasps and ants
- Records since 2000
- 3,046
- Scientific name
- Andrena bicolor
Olive Beard Moss
- Group
- Mosses
- Records since 2000
- 3,036
- Scientific name
- Geheebia tophacea
Cartilage lichen
- Group
- Lichens
- Records since 2000
- 2,916
- Scientific name
- Ramalina fastigiata
Small Hairy Screw-moss
- Group
- Mosses
- Records since 2000
- 2,913
- Scientific name
- Syntrichia laevipila
Elf Ears lichen
- Group
- Fungi
- Records since 2000
- 2,899
- Scientific name
- Normandina pulchella
Bradysia placida
- Group
- True flies
- Records since 2000
- 2,873
- Peak month
- March
Smittia pratorum
- Group
- True flies
- Records since 2000
- 2,852
- Peak month
- March
Common Script Lichen
- Group
- Lichens
- Records since 2000
- 2,809
- Scientific name
- Graphis scripta
Boa worm
- Group
- Worms (annelids)
- Records since 2000
- 2,768
- Scientific name
- Sthenelais boa
Beech Feather-moss
- Group
- Mosses
- Records since 2000
- 2,764
- Scientific name
- Cirriphyllum crassinervium
Stenophylax sequax
- Group
- Caddisflies
- Records since 2000
- 2,714
- Peak month
- March
Stinking Hellebore
- Group
- Flowering plants
- Records since 2000
- 2,647
- Scientific name
- Helleborus foetidus
Many-fruited Thyme-moss
- Group
- Mosses
- Records since 2000
- 2,624
- Scientific name
- Plagiomnium affine
Short-leaved Pocket-moss
- Group
- Mosses
- Records since 2000
- 2,614
- Scientific name
- Fissidens incurvus
Curly Crisp-moss
- Group
- Mosses
- Records since 2000
- 2,613
- Scientific name
- Trichostomum crispulum
Crisped Neckera
- Group
- Mosses
- Records since 2000
- 2,601
- Scientific name
- Exsertotheca crispa
Lesser Scaup
- Group
- Birds
- Records since 2000
- 2,556
- Scientific name
- Aythya affinis
Wall thread-moss
- Group
- Mosses
- Records since 2000
- 2,514
- Scientific name
- Gemmabryum radiculosum
Matted Feather-moss
- Group
- Mosses
- Records since 2000
- 2,494
- Scientific name
- Sciuro-hypnum populeum