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25 May 2013  
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UK priority habitats and species

 

UK priority habitats


Habitat name

Aquifer Fed Naturally Fluctuating Water Bodies
Arable Field Margins
Blanket Bog
Blue mussel beds
Calaminarian Grasslands
Carbonate mounds
Chalk rivers
Coastal and Floodplain Grazing Marsh
Coastal saltmarsh
Coastal Sand Dunes
Coastal Vegetated Shingle
Cold-water coral reefs
Deep-sea sponge communities
Estuarine rocky habitats
Eutrophic Standing Waters
File shell beds
Fragile sponge & anthozoan communities on subtidal rocky habitats
Hedgerows
Horse mussel beds
Inland Rock Outcrop and Scree Habitats
Intertidal chalk
Intertidal mudflats
Intertidal underboulder communities
Limestone Pavements
Lowland Beech and Yew Woodland
Lowland Calcareous Grassland
Lowland Dry Acid Grassland
Lowland Fens
Lowland Heathland
Lowland Meadows
Lowland Mixed Deciduous Woodland
Lowland Raised Bog
Machair
Maerl beds
Maritime Cliff and Slopes
Mesotrophic Lakes
Mountain Heaths and Willow Scrub
Mud habitats in deep water
Native Pine Woodlands
Oligotrophic and Dystrophic Lakes
Open Mosaic Habitats on Previously Developed Land
Peat and clay exposures
Ponds
Purple Moor Grass and Rush Pastures
Reedbeds
Rivers
Sabellaria alveolata reefs
Sabellaria spinulosa reefs
Saline lagoons
Seagrass beds
Seamount communities
Serpulid reefs
Sheltered muddy gravels
Subtidal chalk
Subtidal sands and gravels
Tide-swept channels
Traditional Orchards
Upland Birchwoods
Upland Calcareous Grassland
Upland Flushes, Fens and Swamps
Upland Hay Meadows
Upland Heathland
Upland Mixed Ashwoods
Upland Oakwood
Wet Woodland
Wood-Pasture and Parkland

UK priority species


Scientific name

[sorted A-Z]

Common name

[sort A-Z]

Also known as

Acarospora subrufula a lichen Lecanora subrufula
Acaulon triquetrum Triangular Pygmy-moss
Aceras anthropophorum Man Orchid Ophrys anthropophora
    Orchis anthropophora
    Tegeirian Gwr
Acipenser sturio Sturgeon Common Sturgeon
Acosmetia caliginosa Reddish Buff
Acrobolbus wilsonii Wilson's Pouchwort
Acrocephalus paludicola Aquatic Warbler
Acrocephalus palustris Marsh Warbler
Acronicta psi Grey Dagger
Acronicta rumicis Knot Grass Knotgrass
Adelanthus lindenbergianus Lindenberg's Featherwort Adelanthus dugortiensis
    Adelanthus unciformis
    Lindenberg's Leafy Liverwort
Adonis annua Pheasant's-eye Adonis autumnalis
    Llygad y Goediar Gwanwynol
Adscita statices Forester The Forester
Aeshna isosceles Norfolk Hawker Green-eyed Hawker
    gwas neidr llygadwyrdd
    gweision neidr llygadwyrdd
    Norfolk Aeshna
Agabus (Gaurodytes) brunneus Brown Diving Beetle Agabus brunneus
Agonopterix atomella Greenweed Flat-body Moth Agonopterix pulverella
    Greenweed Flat-body
Agonopterix capreolella Fuscous Flat-body Moth Fuscous Flat-body
Agonum (Europhilus) scitulum a ground beetle Agonum scitulum
Agrochola helvola Flounced Chestnut
Agrochola litura Brown-spot Pinion
Agrochola lychnidis Beaded Chestnut
Agroeca cuprea Golden Lantern-spider Agroeca notata
Agrotera nemoralis Beautiful Pearl
Ajuga chamaepitys Ground-pine Teucrium chamaepitys
Ajuga pyramidalis Limestone Bugle Glesyn Gwelw
    Pyramidal Bugle
Alauda arvensis Skylark Sky Lark
Alchemilla acutiloba Lady's mantle Alchemilla pratensis
Alchemilla micans a lady's-mantle Alchemilla gracilis
Alchemilla minima a lady's-mantle Alchemilla
Alchemilla monticola Lady's mantle Alchemilla crinita
    Alchemilla gracilis
    Alchemilla pastoralis
Alchemilla subcrenata Lady's mantle
Alectoria ochroleuca Alpine sulphur- tresses Alectoria ochroleuca forma citrina
    Alectoria ochroleuca forma tenuior
    Alectoria ochroleuca var. citrina
    Usnea ochroleuca
Aleucis distinctata Sloe Carpet
Alisma gramineum Ribbon-leaved Water-plantain Alisma gramineum subsp. wahlenbergii
    Alisma wahlenbergii
    Dwr-lyriad Hirfain
Allophyes oxyacanthae Green-brindled Crescent
Alopecosa fabrilis Great Fox-spider Tarentula fabrilis
Alosa alosa Allis Shad
Alosa fallax Twaite Shad
Altella lucida Dorset Mesh-weaver
Amanita friabilis Fragile Amanita Amanitopsis friabilis
    Amanitopsis vaginata var. friabilis
Amara (Amara) famelica Early Sunshiner Amara famelica
Amara (Celia) fusca Wormwood Moonshiner Amara complanata
    Amara fusca
Amiota variegata Variegated Fruit-fly Drosophila variegata
Ammodytes marinus Lesser Sandeel Raitt's Sand-eel
    Raitt's Sandeel
    Sand-eel
Ampedus rufipennis Red-horned Cardinal Click Beetle
Amphianthus dohrnii Sea-fan Anemone
Amphipoea oculea Ear Moth
Amphipyra tragopoginis Mouse Moth
Anania funebris White-spotted Sable Moth White-spotted Sable
Anaptychia ciliaris subsp. ciliaris a lichen Anaptychia ciliaris forma saxicola
    Borrera ciliaris
    Lichen ciliaris
    Parmelia ciliaris
    Physcia ciliaris
    Physcia ciliaris var. saxicola
Anarta cordigera Small Dark Yellow Underwing
Anastrophyllum joergensenii Joergensen's Notchwort
Andreaea nivalis Snow Rock-moss
Andrena (Hoplandrena) ferox Oak Mining Bee Andrena distincta
    Andrena ferox
Andrena (Poliandrena) tarsata Tormentil Mining Bee Andrena analis
    Andrena tarsata
Anergates atratulus Dark Guest Ant
Anguilla anguilla Eel Common Eel
    European Eel
Anguis fragilis Slow-worm Slow-worm
Anisodactylus nemorivagus Heath Short-spur Anisodactylus atricornis
    Anisodactylus binotatus var. atricornis
Anisodactylus poeciloides Saltmarsh Short-spur Anisodactylus pseudoaeneus
Anisus (Disculifer) vorticulus Little Whirlpool Ram`s-horn snail Anisus vorticulus
    Ramshorn Snail
Anomodon longifolius Long-leaved Tail-moss
Anostirus castaneus Chestnut Click Beetle Chestnut Coloured Click Beetle
Anotrichium barbatum Bearded Red Seaweed
Anser albifrons subsp. albifrons European White-fronted Goose European Greater White-fronted Goose
Anser albifrons subsp. flavirostris Greenland White-fronted Goose Greenland Greater White-fronted Goose
Anthophora (Pyganthophora) retusa Potter Flower Bee Anthophora haworthana
    Anthophora pennipes
    Anthophora retusa
Anthus trivialis Tree Pipit
Apamea anceps Large Nutmeg
Apamea remissa Dusky Brocade
Aphanopus carbo Black Scabbardfish
Apium repens Creeping Marshwort Apium nodiflorum subsp. repens
    Sium repens
Aplasta ononaria Rest Harrow
Aplodon wormskjoldii Carrion-moss Aplodon wormskioldii
    Haplodon wormskjoldii
Aplota palpella Scarce Brown Streak
Aporophyla lutulenta Deep-brown Dart
Arabis glabra Tower Mustard Arabis perfoliata
    Turritis glabra
Arachnanthus sarsi Scarce Tube-dwelling Anemone
Archanara neurica White-mantled Wainscot
Arctia caja Garden Tiger
Arctosa fulvolineata Yellow-striped Bear-spider Trochosa fulvolineata
Arenaria norvegica subsp. norvegica Artic Sandwort Scottish Sandwort
Argynnis adippe High Brown Fritillary Argynnis cydippe
Aricia artaxerxes Northern Brown Argus
Armandia cirrhosa Lagoon Sandworm
Armeria maritima subsp. elongata Tall Thrift Armeria elongata
    Statice elongata
Armillaria ectypa Marsh Honey Fungus Agaricus ectypus
    Armillariella ectypa
    Clitocybe ectypa
Arnoseris minima Lamb's Succory Arnoseris pusilla
    Hyoseris minima
    Swine's Succory
Arrhis phyllonyx Sea piglet
Artemisia campestris Field Wormwood Breckland Mugwort
    Brytan
    Brytwn
    Draconia campestris
    Field Mugwort
    Henwr
    Llys y Corff
    Llysiau'r Cyrff
    Sidwrmot
    Siligabwd
    Siwdr Mwdr
    Yswthornat
Artemisia norvegica Norwegian Mugwort Artemisia norvegica subsp. scotica
    Artemisia norvegica var. scotica
    Beidog Norwy
    Highland Wormwood
    Norwegian Wormwood
Arthonia anglica a lichen
Arthonia atlantica a lichen Arthonia atlantica var. atlantica
    Arthonia atlantica var. positiva
    Arthonia dendritica
    Enterographa dendritica
    Stigmatidium dendriticum
Arthonia cohabitans a lichenicolous fungus
Arthonia invadens a lichenicolous fungus
Arthonia patellulata a lichen
Arthothelium dictyosporum a lichen Arthothelium ilicinum var. dictyosporum
Arthothelium macounii a lichen
    Arthonia macounii
    Arthothelium ilicinum var. reagens
    Arthothelium reagens
Arvicola amphibius Water Vole Arvicola terrestris
    European Water Vole
    Water Rat
Ascophyllum nodosum ecad mackaii Wig Wrack or Sea-loch Egg Wrack Ascophyllum nodosum subsp. mackayi
    Ascophyllum nodosum var. mackayi
Asilus crabroniformis Hornet Robberfly
Asindulum nigrum Black Fungus Gnat
Asparagus prostratus Wild Asparagus Asparagus maritimus
    Asparagus officinalis subsp. prostratus
    Sea Asparagus
Aspicilia melanaspis a lichen Lecanora melanaspis
    Lobothallia melanaspis
    Parmelia melanaspis
    Squamaria melanaspis
Aspitates gilvaria subsp. gilvaria Straw Belle
Asteroscopus sphinx Sprawler Brachionycha sphinx
    The Sprawler
Astragalus alpinus Alpine Milk-vetch Llaethwyg Mynyddig
Astragalus danicus Purple Milk-vetch Llaethwyg Rhuddlas
Atethmia centrago Centre-barred Sallow Atethmia xerampelina
Athetis pallustris Marsh moth
Atrichum angustatum Lesser Smoothcap
    Catharinea angustata
Atrina fragilis Fan Mussel
Atriplex pedunculata Pedunculate Sea-purslane Halimione pedunculata
    Obione pedunculata
    Stalked Orache
Austropotamobius pallipes White-clawed Freshwater Crayfish Astacus pallipes
    Freshwater Crayfish
    Freshwater White-clawed Crayfish
Aythya marila Scaup Greater Scaup
Bacidia circumspecta a lichen Bacidia bacillifera var. circumspecta
    Bacidia quercicola
    Lecidea muscorum var. quercicola
Bacidia incompta a lichen Bilimbia incompta
    Lecidea incompta
Bacidia subincompta a lichen Bacidia affinis
    Bacidia atrosanguinea
    Lecidea subincompta
    Secoliga atrosanguinea var. affinis
Bacidia subturgidula a lichen Bilimbia subturgidula
    Lecidea subturgidula
Baetis niger Iron Blue Mayfly Nigrobaetis niger
Bagous (Bagous) nodulosus Flowering Rush Weevil Bagous nodulosus
Balaenoptera acutorostrata Minke whale Lesser Rorqual
Balaenoptera borealis Sei Whale Rudolph's Rorqual
Balaenoptera musculus Blue Whale Sibbald's Rorqual
    Sulphurbottom
Balaenoptera physalus Fin Whale Common Rorqual
    Finback Whale
Bankera fuligineoalba Drab Tooth Hydnum fragile
    Hydnum fuligineoalbum
    Hydnum macrodon
Barbastella barbastellus Barbastelle Bat Barbastelle
    Western Barbastelle
Barbilophozia kunzeana Bog Pawwort
Bartramia stricta Upright Apple-moss
Baryphyma duffeyi Duffey's Bell-head Spider Praestigia duffeyi
Battarraea phalloides Sandy Stilt Puffball Lycoperdon phalloides
    Phallus campanulatus
    Sandy Stiltball
Belonia calcicola a lichen
Bembidion (Bembidion) humerale Thorne Pin-palp Bembidion humerale
Bembidion (Bembidion) quadripustulatum Scarce Four-dot Pin-palp Bembidion antiquorum
    Bembidion quadriguttatum
    Bembidion quadripustulatum
Bembidion (Ocydromus) testaceum Pale Pin-palp Bembidion testaceum
    Bembidium testaceum
Biatorella fossarum a lichen Lecidea fossarum
Biatoridium monasteriense a lichen Biatorella monasteriensis
    Biatorella resinae
Bidessus minutissimus Minutest Diving Beetle
Bidessus unistriatus One-grooved Diving Beetle
Blarneya hibernica a lichen
Blepharita adusta Dark Brocade Mniotype adusta
Blera fallax a hoverfly Musca fallax
Blysmus compressus Flat-sedge Corsfrwynen Arw
    Schoenus compressus
    Scirpus caricis
    Scirpus compressus
Boletopsis perplexa Black Falsebolete Boletopsis leucomelaena
    Boletus leucomelas
    Caloporus leucomelas
    Polyporus formatus
    Polyporus leucomelas
    Polyporus subsquamosus
Boletus immutatus Constant Bolete Boletus luridiformis var. immutatus
Boletus pseudoregius The Pretender Boletus appendiculatus subsp. pseudoregius
Boletus regius Royal Bolete Boletus appendiculatus subsp. regius
Boletus rhodopurpureus Oldrose Bolete Boletus purpureus
    Boletus rhodopurpureus forma xanthopurpureus
    Boletus xanthopurpureus
Boletus torosus Brawny Bolete
Boloria euphrosyne Pearl-bordered Fritillary Pearl Bordered Fritillary
Boloria selene Small Pearl-bordered Fritillary
Bombus (Megabombus) ruderatus Large Garden Bumble Bee Bombus ruderatus
Bombus (Subterraneobombus) distinguendus Great Yellow Bumble Bee Bombus distinguendus
Bombus (Subterraneobombus) subterraneus Short-haired Bumble-bee Bombus collinus
    Bombus subterraneus
Bombus (Thoracombus) humilis Brown-banded Carder Bumblebee Bombus helferanus
    Bombus humilis
    Bombus solstitialis
    Brown-banded Carder-bee
    Carder Bumble Bee
Bombus (Thoracombus) muscorum Moss Carder-bee Bombus laevis
    Bombus muscorum
Bombus (Thoracombus) ruderarius Red-shanked Carder-bee Bombus derhamellus
    Bombus raiellus
    Bombus ruderarius
    Red-tailed Carder Bee
Bombus (Thoracombus) sylvarum Shrill Carder Bee Bombus sylvarum
    Knapweed Carder Bee
Bombylius minor Heath Bee-fly Bombylius venosus
Botanophila fonsecai Fonseca's Seed Fly
Botaurus stellaris Bittern Great Bittern
Bovista paludosa Fen Puffball Bovistella paludosa
    Fen Bovist
Brachinus (Brachynidius) sclopeta Streaked Bombardier Beetle Brachinus sclopeta
Brachylomia viminalis Minor Shoulder-knot
Brachyptera putata Northern February Red Nemoura putata
    Taeniopteryx putata
Bracteon argenteolum Silt Silver-spot Bembidion argenteolum
Branta bernicla subsp. bernicla Dark-Bellied Brent Goose
Brodoa intestiniformis a lichen Hypogymnia encausta
    Hypogymnia intestiniformis
    Lichen encaustus
    Lichen intestiniformis
    Parmelia encausta
    Parmelia intestiniformis
Bromus interruptus Interrupted Brome Bromus mollis var. interruptus
    Pawrwellt Coll
Bryoerythrophyllum caledonicum Scottish Beard-moss Barbula jamesonii
Bryoria furcellata Forked Hair-lichen Alectoria nidulifera
    Cetraria furcellata
Bryoria nadvornikiana a lichen Alectoria nadvornikiana
Bryoria smithii a lichen Alectoria smithii
Bryum calophyllum Blunt Bryum Bryum scoticum
    Matted Bryum
Bryum cyclophyllum Round-leaved Bryum
    Bryum tortifolium
Bryum gemmiparum Welsh Thread-moss
    Bryum alpinum subsp. gemmiparum
Bryum knowltonii Knowlton's Thread-moss Bryum opiscarpum
Bryum marratii Baltic Bryum
Bryum salinum Saltmarsh Thread-moss
Bryum schleicheri Schleicher's Thread-moss
Bryum uliginosum Cernuous bryum Bryum cernuum
    Cernuous Thread-moss
Bryum warneum Sea bryum Warne's Thread-moss
Buellia asterella Starry Breck-lichen Buellia epigaea
    Diploicia epigaea
Buellia hyperbolica a lichen
Buellia violaceofusca a lichen
Bufo bufo Common Toad
Bupleurum rotundifolium Thorow-wax Paladr Trwyddo
Bupleurum tenuissimum Slender Hare's-ear Paladr Trwyddo Eiddilddail
Burhinus oedicnemus Stone Curlew Stone-curlew
Buxbaumia viridis Green Shield-moss Buxbaumia foliosa
    Buxbaumia indusiata
Byctiscus populi Poplar Leaf-rolling Weevil Leaf-rolling Weevil
    Poplar Leaf Roller
Calamagrostis scotica Scottish Small-reed Calamagrostis neglecta
    Calamagrostis strigosa
    Deyeuxia neglecta var. scotica
    Mawnwellt yr Alban
Calamagrostis stricta Narrow Small-reed Arundo stricta
    Calamagrostis hookeri
    Calamagrostis neglecta subsp. stricta
    Deyeuxia neglecta
Calicium adspersum a lichen Calicium roscidum
Calicium corynellum Lichen corynellus Caliciella corynella var. subsessile
    Calicium corynellum var. subsessile
Calicium diploellum a lichen
Callicera spinolae Golden hoverfly
Calocybe onychina Lilac Domecap Agaricus onychinus
    Tricholoma onychinum
Caloplaca ahtii a lichen
Caloplaca aractina a lichen Caloplaca ferruginea var. fuscoatra
    Caloplaca fuscoatra
    Caloplaca viridirufa
    Lecidea viridirufa
    Parmelia aractina
    Placodium fuscoatrum
Caloplaca atroflava a lichen Caloplaca atroflava var. submersa
    Caloplaca turneriana
    Lecanora pyracea forma submersa
    Lecidea atroflava
    Lecidea turneriana
    Placodium atroflavum
    Placodium turnerianum
Caloplaca caesiorufella a lichen Lecanora caesiorufella
Caloplaca flavorubescens a lichen Lecidea aurantiaca
    Lichen flavorubescens
Caloplaca herbidella a lichen Blastenia caesiorufa forma herbidella
Caloplaca lucifuga A lichen
Caloplaca luteoalba Orange-Fruited Elm-Lichen Callopisma luteoalbum
    Lecidea ulmicola
    Lichen luteoalbus
    Patellaria ulmicola
    Placodium luteoalbum
Caloplaca virescens a lichen Lepraria virescens
Calosoma inquisitor Lesser Searcher Caterpillar-hunter
Campanula patula Spreading Bellflower Clychlys Lledaenol
Campanula rapunculus Rampion Bellflower Clychlys Erfin
Campsicnemus magius Fancy-legged Fly Medeterus magius
Candelariella superdistans a lichen Lecanora superdistans
Cantharellus friesii Orange Chanterelle
Cantharellus melanoxeros Blackening Chanterelle
Caprimulgus europaeus Nightjar European Nightjar
Carabus (Chaetocarabus) intricatus Blue Ground Beetle Carabus intricatus
Carabus (Morphocarabus) monilis Necklace Ground Beetle Carabus consitus
    Carabus insularis
    Carabus monilis
Caradrina morpheus Mottled Rustic
Carduelis cabaret Lesser Redpoll
Carduelis cannabina Linnet Common Linnet
Carduelis flavirostris Twite
Caretta caretta Loggerhead turtle Common Loggerhead Turtle
Carex depauperata Starved Wood-sedge
Carex divisa Divided Sedge
Carex ericetorum Rare Spring-sedge Breckland Spring Sedge
    Hesgen Gynnar Brin
Carex maritima Curved Sedge Carex incurva
    Hesgen Ddeilgrwm
Carex vulpina True Fox-sedge Carex otrubae
Carterocephalus palaemon Chequered Skipper
Carum carvi Caraway Carddwy
    Cardwy
    Carwas
Catapyrenium michelii a lichen Dermatocarpon michelii
    Placidium michelii
Catapyrenium psoromoides Tree Psoromoides Dermatocarpon psoromoides
    Endocarpon psoromoides
    Guignardia psoromoides
    Laestadia psoromoides
    Physalospora psoromoides
    Tree Catapyrenium
    Verrucaria psoromoides
Catillaria alba a lichen
Catocala promissa Light Crimson Underwing
Catocala sponsa Dark Crimson Underwing
Celaena haworthii Haworth's Minor
Celaena leucostigma Crescent The Crescent
Celypha woodiana Mistletoe Marble
Centaurea calcitrapa Red Star-thistle Seraidd Ysgallen
    Ysgallen Seraidd
Centaurea cyanus Cornflower Penlas yr yd
Centaurium scilloides Perennial Centaury Centaurium portense
    Erythraea portensis
    Gentiana scilloides
Centromerus serratus Serrated Tongue-spider
Centrophorus granulosus Gulper shark
Centrophorus squamosus Leafscraper Shark
Centroscymnus coelolepis Portuguese dogfish
Cephalanthera damasonium White Helleborine Caldrist Gwyn
    Cephalanthera grandiflora
    Cephalanthera latifolia
    Cephalanthera pallens
    Serapias damasonium
    Wylled Ferwedig
Cephalanthera longifolia Narrow-leaved Helleborine Caldrist Culddail
    Cephalanthera ensifolia
    Serapias helleborine var. longifolia
Cephalanthera rubra Red Helleborine Serapias rubra
Cephaloziella baumgartneri Chalk Threadwort
Cephaloziella calyculata Entire Threadwort
Cephaloziella dentata Toothed Threadwort
Cephaloziella integerrima Lobed Threadwort
Cephaloziella nicholsonii Greater Copperwort Cephaloziella massalongi var. nicholsonii
Cerastium arcticum Arctic Mouse-ear Clust Llygoden Mynyddig Llydanddail
    Clust Llygoden Mynyddig y Wyddfa
Cerastium fontanum subsp. scoticum Scottish mouse-ear Cerastium triviale var. alpinum
Cerastium nigrescens Shetland Mouse-ear Cerastium arcticum
    Cerastium arcticum subsp. edmondstonii
    Cerastium arcticum var. nigrescens
    Cerastium edmondstonii
    Cerastium edmondstonii var. nigrescens
    Cerastium latifolium var. nigrescens
    Cerastium nigrescens subsp. arcticum
    Clust Llygoden Shetland
Ceratodon conicus Scarce Redshank
Cerceris quadricincta Four-banded Weevil-wasp
Cerceris quinquefasciata Five-banded Weevil-wasp Cerceris interrupta
Cetorhinus maximus Basking Shark
Chaenotheca gracilenta a lichen Calicium gracilentum
    Coniocybe gracilenta
    Cybebe gracilenta
Chaenotheca laevigata a lichen
Chaenotheca phaeocephala a lichen Calicium phaeocephalum
    Chaenotheca chlorella
    Chaenotheca trabinella
    Cyphelium phaeocephalum
    Lichen phaeocephalus
    Lichen trabinellus
Chamaemelum nobile Chamomile Anthemis nobilis
    Camameil
    Camamil
    Camri
    Camri Cyffredin
    Common Chamomile
    Dailfam
Chara baltica Baltic Stonewort Chara baltica var. rigida
    Chara hispida var. baltica
Chara canescens Bearded stonewort Chara crinita
Chara connivens Convergent Stonewort Chara globularis forma connivens
    Chara globularis globularis connivens
Chara intermedia Intermediate Stonewort Chara contraria x hispida
    Chara hispida forma intermedia
Chenopodium urbicum Upright Goosefoot Gwydd-droed Syth
    Troed yr wydd Syth-ddail
Chenopodium vulvaria Stinking Goosefoot Llygwyn Drewllyd
    Llysgwyn Drewllyd
    Mamog Ddrewllyd
    Rhogai
    Rhoglus
    Trwynsor
Chesias legatella Streak Chesias spartiata
    The Streak
Chesias rufata Broom-tip
Chiasmia clathrata Latticed Heath Semiothisa clathrata
Chlaenius tristis Black Night-runner Chlaenius holosericeus
Chlorencoelia versiformis Flea's Ear Chlorociboria versiformis
    Chlorosplenium versiforme
    Helotium versiformis
    Peziza versiformis
Chlorita viridula Sea-wormwood Leafhopper Chlorita subulata
Chortodes brevilinea Fenn's Wainscot Photedes brevilinea
Chortodes extrema Concolorous Photedes extrema
    The Concolorous
Chrysis fulgida Ruby-tailed Wasp
Chrysolina graminis Tansey beetle
Chrysomyxa pirolata Wintergreen Rust Caeoma pirolae
    Chrysomyxa pyrolae
Chrysotoxum octomaculatum nomen nudum Broken-banded Wasp-hoverfly
Chrysura hirsuta Northern Osmia Ruby-tailed Wasp Chrysura osmiae
Cicadetta montana New Forest Cicada
Cicendia filiformis Yellow Centaury Canri Felen Eiddil
    Gentiana filiformis
    Microcala filiformis
    Slender Cicendia
Cicerbita alpina Alpine Blue-sow-thistle Lactuca alpina
    Llaethysgallen-las Alpaidd
    Mulgedium alpinum
    Sonchus alpinus
Cicindela hybrida Northern Dune Tiger Beetle
Cicindela sylvatica Heath Tiger Beetle Cicindela silvatica
    Wood Tiger Beetle
Cladonia botrytes Stump lichen Lichen botrytes
Cladonia convoluta a lichen Cladonia endiviifolia
    Cladonia foliacea var. convoluta
    Cladonia foliacea var. endiviifolia
    Lichen convolutus
    Lichen endiviifolius
Cladonia mediterranea Reindeer Lichen
Cladonia peziziformis a lichen Cladonia capitata
    Cladonia leptophylla
    Lichen capitatus
    Lichen peziziformis
Clinopodium acinos Basil Thyme Acinos acinos
    Acinos arvensis
    Brenhinllys
    Calamintha acinos
    Satureja acinos
    Thymus acinos
Clinopodium menthifolium Wood Calamint Calamintha intermedia
    Calamintha menthifolia
    Calamintha nepeta subsp. sylvatica
    Calamintha sylvatica
    Erbin y Coed
    Satureja menthifolium
    Satureja sylvatica
Cliorismia rustica Southern Silver Stiletto-fly Bibio confinis
    Bibio rusticus
    Cliorismia ardea
    Cliorismia confinis
    Cliorismia fuscipennis
    Psilocephala ardea
    Stiletto-fly
    Thereva fuscipennis
Cliostomum corrugatum a lichen Biatorina ehrhartiana
    Biatorina graniformis
    Catillaria graniformis
    Cliostomum graniforme
    Lecidea corrugata
    Lecidea ehrhartiana
    Lichen ehrhartianus
    Lichen graniformis
Clubiona rosserae Rosser's sac-spider
Clupea harengus Herring
Clusiodes geomyzinus Strathspey Clusiid Fly Clusiodes alpinus
    Heteroneura alpina
    Heteroneura geomyzina
Cobitis taenia Spined Loach
Coccothraustes coccothraustes Hawfinch
Cochlearia micacea Mountain Scurvygrass Llwylys Mynyddig
Cochlearia officinalis subsp. scotica Scottish Scurvygrass Cochlearia groenlandica
    Cochlearia groenlandica subsp. scotica
    Cochlearia scotica
    Common Scurveygrass
Coeloglossum viride Frog Orchid Dactylorhiza viridis
    Habenaria viridis
    Llys Ysgyfarnog
    Paladr Blodeuwyrdd
    Satyrium viride
    Tegeirian Broga Gwyrdd
Coenagrion mercuriale Southern Damselfly Coenagrion Benfro
    Enallagma mercuriale
    Mercury Bluet
    mursen las Penfro
    mursennod glas Penfro
    Southern Blue Damselfly
    Southern Coenagrion
Coenonympha pamphilus Small Heath
Coenonympha tullia Large Heath
Coincya wrightii Lundy Cabbage Berwr Lundy
    Brassica wrightii
    Brassicella wrightii
    Hutera wrightii
    Rhynchosinapis cheiranthos subsp. wrightii
    Rhynchosinapis wrightii
Coleophora hydrolapathella Water-dock Case-bearer
Coleophora tricolor Basil-thyme Case-bearer
Coleophora vibicella Large Gold Case-bearer
Coleophora wockeella Betony Case-bearer
Collema dichotomum River Jelly Lichen Collema fluviatile
    Enchylium fluviale
    Leptogium cataclystum
    Leptogium fluviatile
    Leptogium rivulare
    Lichen fluviatilis
    Tremella dichotoma
Collema fasciculare a lichen Collema aggregatum
    Collema fasciculare var. aggregatum
    Enchylium fasciculare
    Enchylium fasciculare var. aggregatum
    Lethagrium ascaridosporum
    Lichen fascicularis
    Synechoblastus aggregatus
    Synechoblastus ascaridosporus
    Synechoblastus fascicularis
Collema fragile a lichen Collemodium fragile
    Leptogium fragile
Collema fragrans a lichen Collema terrulentum
    Leptogium fragrans
    Leptogium microphyllum
Collema latzelii a lichen
Colletes (Colletes) floralis Northern Colletes Colletes floralis
    Colletes montanus
    The Northern Colletes
Colletes (Colletes) halophilus Sea-aster Colletes Bee Colletes halophilus
Coregonus albula Vendace Coregonus vandesius
Coregonus autumnalis Pollan
Coregonus lavaretus Powan Gwyniad
    Gwyniad or Schelly)
    Schelly
    Whitefish
    Whitefish (Powan
Coronella austriaca Smooth Snake
Corrigiola litoralis Strapwort Canclymig
    Corglymig
Coryphaenoides rupestris Roundnose Grenadier Roundhead Rat-tail
Coscinia cribraria subsp. bivittata Speckled Footman
Cosmia diffinis White-spotted Pinion
Cossus cossus Goat Moth
Cotoneaster cambricus Wild cotoneaster Cotoneaster cotoneaster
    Cotoneaster integerrimus
    Cotoneaster integerrimus var. anglicus
    Cotoneaster integerrimus/cambricus
    Cotoneaster vulgaris
    Great Orme Berry
Cotylidia pannosa Wooly Rosette Helvella pannosa
    Stereum pallidum
    Stereum sowerbyi
    Thelephora pallida
    Thelephora pannosa
    Thelephora pannosa ß pallida
    Thelephora sowerbyi
Crepis foetida Stinking hawk's-beard Barkhausia foetida
    Southern Hawksbeard
Crepis mollis Northern Hawk's-beard Crepis hieracioides
    Crepis succisaefolia
    Gwalchlys y Gogledd
    Hieracium molle
Crex crex Corn Crake
Cruoria cruoriaeformis Red seaweed
Cryphaea lamyana Multi-Fruited River-Moss Multi-fruited Cryphaea
Cryptocephalus coryli Hazel Pot Beetle
Cryptocephalus decemmaculatus Ten-spotted Pot Beetle 10-spotted Pot Beetle
Cryptocephalus exiguus Pashford Pot Beetle
Cryptocephalus nitidulus Shining Pot Beetle Cryptocephalus ochrostoma
Cryptocephalus primarius Rock-rose Pot Beetle
Cryptocephalus punctiger Blue Pepper-pot Beetle
Cryptocephalus sexpunctatus Six-spotted Pot Beetle 6-spotted Pot Beetle
Cryptolechia carneolutea a lichen Gyalecta carneolutea
    Gyalectina carneolutea
    Lecania carneolutea
    Lichen carneoluteus
    Parmelia carneolutea
Cuculus canorus Cuckoo Common Cuckoo
Cupido minimus Small Blue
Curimopsis nigrita Mire Pill Beetle Bog Hog
Cyclodictyon laetevirens Bright-green Cave-moss
Cyclophora pendularia Dingy Mocha
Cyclophora porata False Mocha
Cygnus columbianus Tundra Swan
Cylindera germanica Cliff Tiger Beetle
    Cicindela germanica
Cymatophorima diluta subsp. hartwiegi Oak Lutestring
Cynoglossum germanicum Green Hound's-tongue Cynoglossum germanicum subsp. pellucidum
    Cynoglossum montanum
    Tafod y Bytheiad Gwyrdd-ddail
Cyperus fuscus Brown Galingale Black Cyperus
    Brown Cyperus
Cyphelium trachylioides a lichen Arthonia trachylioides
Cypripedium calceolus Lady's-slipper Esgid Fair
Dactylorhiza incarnata subsp. ochroleuca Early Marsh-Orchid Dactylorchis incarnata subsp. ochroleuca
    Dactylorhiza incarnata var. ochroleuca
    Dactylorhiza ochroleuca
    Orchis incarnata var. ochroleuca
Dactylorhiza purpurella subsp. cambrensis a northern marsh-orchid
Dalatias licha Kitefin shark Darkie Charlie
Daltonia splachnoides Irish Daltonia
Damasonium alisma Starfruit Alisma damasonium
    Damasonium damasonium
    Damasonium stellatum
Dasypolia templi Brindled Ochre
Decticus verrucivorus Wart-biter Gryllus verrucivorus
Delphinus delphis Common Dolphin
Dendrocopos minor subsp. comminutus Lesser Spotted Woodpecker
Dermochelys coriacea Leatherback Turtle Leather-back Turtle
    Leatherback
    Leathery Turtle
    Luth Turtle
Dermocorynus montagnei a red seaweed
Dianthus armeria Deptford Pink
Diarsia rubi Small Square-spot
Dicranum bergeri Waved Fork-moss Dicranum affine
    Dicranum undulatum
Dicranum elongatum Dense Fork-moss
Dicranum spurium Rusty Fork-moss
Dictyna pusilla Small Mesh-weaver
Dicycla oo Heart Moth
Didymodon glaucus Glaucous Beard-moss
Didymodon tomaculosus Sausage Beard-moss Barbula tomaculosa
Diloba caeruleocephala Figure of Eight
Diplotomma pharcidium a lichen Buellia geophila
    Buellia pharcidia
    Lecanora pharcidia
Dipoena inornata Silky Gallows-spider
Dipturus batis Common skate Raja batis
    Skate
Ditrichum cornubicum Cornish Path-moss Cornish Path-moss
Ditrichum plumbicola Lead-moss
Ditrichum subulatum Awl-leaved Ditrichum
Dolichopus laticola Broads Long-legged Fly
Dolichopus nigripes Bure Long-legged Fly Dolichopus falleni
Dolomedes plantarius Fen Raft Spider Great Raft Spider
Donacia aquatica Zircon Reed Beetle Donacia dentipes
Donacia bicolora Two-tone Reed Beetle Donacia bicolor
    Donacia sagittariae
    Reed Beetle
Doratura impudica Large Dune Leafhopper
Doros profuges Phantom Hoverfly Doros conopseus
    Musca profuges
    Syrphus conopseus
Dorycera graminum Phoenix Fly Dorycera aquatica
    Musca aquatica
    Musca graminum
    Picture-winged Fly
Dorylomorpha clavifemora Clubbed Big-headed Fly
Dryopteris cristata Crested Buckler-fern Aspidium cristatum
    Dryopteris cristata
    Lastrea callipteris
    Lastrea cristata
    Lophodium callipteris
    Marchredynen Gribog
    Nephrodium cristatum
    Polypodium callipteris
    Polypodium cristatum
    Polystichum cristatum
Dumortiera hirsuta Dumortier's Liverwort
Ecliptopera silaceata Small Phoenix
Edwardsia ivelli Ivell's Sea Anemone Ivell's Edwardsia
Edwardsia timida Timid Burrowing Anemone
Emberiza calandra Corn Bunting Miliaria calandra
Emberiza cirlus Cirl Bunting
Emberiza citrinella Yellowhammer
Emberiza schoeniclus Reed Bunting
Empis limata English Assassin Fly Empis (Empis) limata
Endocarpon adscendens A lichen Dermatocarpon pusillum var. adscendens
    Endocarpon pallidum
Ennomos erosaria September Thorn
Ennomos fuscantaria Dusky Thorn
Ennomos quercinaria August Thorn
Entephria caesiata Grey Mountain Carpet Grey Mountain Moth
Enterographa elaborata New Forest Beech-lichen Enterographa jorgei
    Enterographa venosa
    Opegrapha venosa
    Platygramma elaborata
Enterographa sorediata a lichen
Entoloma bloxamii Big Blue Pinkgill Agaricus bloxamii
    Entoloma bloxamii var. triste
    Entoloma madidum
Epermenia insecurella Chalk-hill Lance-wing
Ephemerum cohaerens Clustered Earth-moss
Ephemerum spinulosum Prickly Earth-moss
Epidalea calamita Natterjack Toad Bufo calamita
    Natterjack
Epione vespertaria Dark Bordered Beauty Dark-bordered Beauty
    Epione parallelaria
Epipactis sancta Lindisfarne helleborine
Epirrhoe galiata Galium Carpet
Erebia epiphron Mountain Ringlet Small Mountain Ringlet
Eresus sandaliatus Ladybird Spider Eresus cinnaberinus
    Eresus niger
Erigeron borealis Alpine Fleabane Amrhydlwyd y Mynydd
    Erigeron alpinus
    Highland Fleabane
    Trimorpha alpina
    Trimorpha borealis
Erigone welchi Welch's Money-spider
Erinaceus europaeus Hedgehog West European Hedgehog
Eristalis cryptarum Bog Hoverfly Eristalis nubilipennis
    Syrphus cryptarum
Eryngium campestre Field Eryngo Watling Street Thistle
Erynnis tages Dingy skipper
Eubalaena glacialis Northern Right Whale Balaena britannica
    Balaena glacialis
    Biscayan Right Whale
    Black Right Whale
    North Atlantic Right Whale
Eucera (Eucera) longicornis Long-horned Bee Eucera longicornis
Eudarcia richardsoni Dorset Tineid Moth Dorset Clothes
    Eudarcia vinculella
    Meesia richardsoni
Eugnorisma glareosa Autumnal Rustic
Eulithis mellinata Spinach The Spinach
Eunicella verrucosa Pink Sea-fan
Euphrasia anglica Glandular Eyebright Effros Chwareog Gwalltog
    English Sticky Eyebright
    Euphrasia fennica
    Euphrasia officinalis subsp. anglica
    Small-flowered Sticky Eyebright
Euphrasia cambrica an eyebright Effros Gymraeg Cor
Euphrasia campbelliae an eyebright
Euphrasia heslop-harrisonii an eyebright
Euphrasia marshallii an eyebright
Euphrasia ostenfeldii an eyebright Effros â Dail Blewog
    Euphrasia curta
    Euphrasia curta var. ostenfeldii
    Euphrasia eurycarpa
Euphrasia pseudokerneri Chalk Eyebright
Euphrasia rivularis Snowdon Eyebright Effros yr Wyddfa
Euphrasia rostkoviana subsp. montana an eyebright Euphrasia montana
    Euphrasia officinalis subsp. montana
    Euphrasia officinalis subsp. monticola
    Euphrasia rostkoviana subvar. montana
Euphrasia rotundifolia an eyebright Euphrasia frigida subsp. rotundifolia
Euphrasia vigursii an eyebright
Euphydryas aurinia Marsh Fritillary Eurodryas aurinia
Eupithecia extensaria subsp. occidua Scarce pug
Eurhynchium pulchellum Elegant Feather-moss
Eurysa douglasi Chalk Planthopper
Euscelis venosus Carline Thistle Leafhopper
Eustroma reticulatum Netted Carpet
Euxoa nigricans Garden Dart
Euxoa tritici White-line Dart Euxoa crypta
    Small White-line Dart
Exapion (Exapion) genistae Petty Whin Weevil Exapion genistae
Fallopia dumetorum Copse-bindweed Bilderdykia dumetorum
    Polygonum dumetorum
    Reynoutria scandens var. dumetorum
Felis silvestris Wild Cat Wildcat
Filago lutescens Red-tipped Cudweed Filago apiculata
    Filago germanica
    Gifola apiculata
Filago pyramidata Broad-leaved Cudweed Filago spathulata
Fissidens curvatus Portuguese Pocket-moss Fissidens algarvicus
Fissidens serrulatus Large Atlantic Pocket-moss
Formica exsecta Narrow-headed Ant
Formica pratensis Meadow Ant Black-backed Meadow Ant
    Formica nigricans
    Formica pratensis/nigricans
Formica rufibarbis Red Barbed Ant
Formicoxenus nitidulus Shining Guest Ant
Fossombronia foveolata Pitted Frillwort
Fucus distichus Brown Algae
Fulgensia fulgens Scrambled-egg lichen Lichen fulgens
    Placodium fulgens
Fumaria purpurea Purple Ramping-fumitory Mwg y Ddaear Glasgoch
    Mwg y Ddaear Rhuddgoch
Funaria pulchella Pretty Cord-moss
Funiculina quadrangularis Tall sea pen
Fuscopannaria ignobilis a lichen Caledonian Pannaria
    Pannaria ignobilis
    Pannaria servitiana
Fuscopannaria sampaiana a lichen Pannaria sampaiana
Gadus morhua Cod Arctic Cod
    Atlantic Cod
Galeopsis angustifolia Red Hemp-nettle Penboeth Culddail
    Rhoswelw
Galeorhinus galeus Tope Tope Shark
Galium pumilum Slender Bedstraw Briwydden Feindwf
    Galium timeroyi subsp. fleurotii
Galium tricornutum Corn Cleavers Galium tricorne
Gammarus insensibilis Lagoon Sand Shrimp
Gavia arctica Black-throated Diver
Geastrum berkeleyi Berkeley's Earthstar
Geastrum corollinum Weather Earthstar Geastrum mammosum
    Geastrum recolligens
    Lycoperdon corollinum
    Lycoperdon recolligens
    Weathered Earthstar
Geastrum elegans Elegant Earthstar Geastrum badium
Geastrum minimum Tiny Earthstar
Gentianella anglica Early Gentian Crwynllys Cynnar
    Dwarf English Felwort
    Gentiana anglica
    Gentiana lingulata var. praecox
Gentianella campestris Field Gentian Crwynllys y Maes
    Gentiana baltica
    Gentiana campestris
    Gentianella baltica
    Gentianella campestris subsp. baltica
Gentianella ciliata Fringed gentian Crwynllys Barfog
    Gentiana ciliata
Gentianella uliginosa Dune Gentian Crwynllys y Tywod
    Gentiana uliginosa
    Gentianella amarella subsp. uliginosa
    Welsh Gentian
Geoglossum atropurpureum Dark-purple Earthtongue Clavaria atropurpurea
    Corynetes arenarius
    Corynetes atropurpureus
    Corynetes robustus
    Geoglossum arenarium
    Microglossum arenarium
    Microglossum atropurpureum
    Microglossum robustum
    Mitrula arenaria
    Thuemenidium atropurpureum
Gitanopsis bispinosa an Amphipod Shrimp
Globicephala melas Long-finned Pilot Whale Globicephala melaena
    Pilot Whale
Glossosoma intermedium Small Grey Sedge Glossosoma intermedia
Glyphesis cottonae Cotton's Amazon Spider
Gnophomyia elsneri Royal Splinter Cranefly
Gnorimus nobilis Noble Chafer
Gnorimus variabilis Variable Chafer Gnorimus octopunctatus
Gomphillus calycioides a lichen Baeomyces calycioides
    Baeomyces microcephalus
    Gomphillus calycioides forma microcephalus
Gomphus clavatus Pig's Ear Cantharellus clavatus
    Craterellus clavatus
    Merulius clavatus
    Nevrophyllum clavatum
Grampus griseus Risso's Dolphin
Graphina pauciloculata a lichen
Graphiphora augur Double Dart
Graphis alboscripta a lichen Fissurina alboscripta
Graphoderus zonatus Spangled Diving Beetle
Grapholita pallifrontana Liquorice Piercer
Grimmia crinita Hedgehog Grimmia
Grimmia elongata Brown Grimmia
Grimmia sessitana Alpine Grimmia Grimmia alpestris
Grouped plan for baleen whales
Grouped plan for commercial marine fish
Grouped plan for deep-water fish
Grouped plan for eyebrights
Grouped plan for marine turtles
Grouped plan for river shingle beetles
Grouped plan for small dolphins
Grouped plan for tooth fungi
Grouped plan for toothed whales
Gryllotalpa gryllotalpa Mole Cricket Gryllotalpa vulgaris
    Gryllus gryllotalpa
Gryllus campestris Field Cricket
Gyalecta ulmi Elm Gyalecta Gyalecta rubra
    Lichen ulmi
    Patellaria rubra
    Phialopsis rubra
Gyalidea roseola a lichen Gyalecta roseola
Gyraulus (Torquis) acronicus Thames Ramshorn Gyraulus acronicus
Habrodon perpusillus Lesser Squirrel-tail Moss Habrodon notarisii
Hadena albimacula White Spot
Hagenella clathrata Window Winged Sedge
Haliclystus auricula Kaleidoscope jellyfish Stalked Jellyfish
Hamearis lucina Duke of Burgundy Duke of Burgundy Fritillary
Hammerschmidtia ferruginea Aspen Hoverfly Rhingia ferruginea
Haplodrassus dalmatensis Heath Grasper Drassodes dalmatensis
Harpalus (Cryptophonus) melancholicus a seed-eater ground beetle Harpalus melancholicus
Harpalus (Harpalus) froelichii Brush-thighed Seed-eater Harpalus froelichi
    Harpalus froelichii
Harpalus (Harpalus) honestus St. Bees Seed-eater Harpalus honestus
    Harpalus ignavus
Heleobia (Semisalsa) stagnorum Lagoon Spire Snail Heleobia stagnorum
Helianthemum oelandicum subsp. levigatum a rockrose Helianthemum canum subsp. levigatum
    Rhodax canus subsp. levigatus
Heliophobus reticulata subsp. marginosa Bordered Gothic
Heliothis maritima Shoulder-striped Clover
Helophorus (Helophorus) laticollis New Forest Mud Beetle Helophorus laticollis
    Helophorus pallidulus
Hemaris tityus Narrow-bordered Bee Hawk-moth
Hemistola chrysoprasaria Small Emerald Hemistola immaculata
Hepialus humuli Ghost Moth
Herbertus borealis Northern Prongwort
Hericium coralloides Coral Tooth Dryodon coralloides
    Friesites coralloides
    Hericium clathroides
    Hericium ramosum
    Hydnum clathroides
    Hydnum coralloides
    Hydnum ramosum
Hericium erinaceus Bearded Tooth Clavaria caput-medusae
    Hericium unguiculatum
    Hydnum caput-medusae
    Hydnum erinaceus
    Steccherinum quercinum
Herminium monorchis Musk Orchid Ophrys monorchis
    Tegeirian Mwsg
Heterodermia leucomela Ciliate strap-lichen Anaptychia leucomela
    Anaptychia leucomelaena
    Borrera leucomela
    Heterodermia leucomelaena
    Heterodermia leucomelos
    Lichen leucomelas
    Physcia leucomela
Heterodermia speciosa A lichen Heterodermia isidiophora
    Lichen speciosus
Hieracium attenuatifolium Laxo Burn Hawkweed
Hieracium australius Unst Hawkweed Hieracium dovrense var. australius
Hieracium backhousei Backhouse's Hawkweed
Hieracium breve Rare Hawkweed
Hieracium calvum Bald-leaved Hawkweed
Hieracium difficile Okraquoy Hawkweed
Hieracium dilectum Purple-tinted Hawkweed
Hieracium graniticola Granite Hawkweed
Hieracium gratum Handsome Hawkweed Hieracium pulchelliforme
    Hieracium pulchellum
Hieracium grovesii Grove's Hawkweed
Hieracium hethlandiae a hawkweed Hieracium dovrense var. hethlandiae
Hieracium insigne Noble Hawkweed
Hieracium kennethii Kenneth's Hawkweed
Hieracium larigense Lairig Hawkweed Hieracium globosiflorum var. larigense
Hieracium leptodon Narrow-toothed Hawkweed
Hieracium macrocarpum Large-fruited Hawkweed
Hieracium northroense Northroe Hawkweed Hieracium congestum
    North Roe Hawkweed
Hieracium notabile Remarkable Hawkweed
Hieracium optimum Splendid Hawkweed
Hieracium praethulense Thule Hawkweed Hieracium auratum var. thulense
    Hieracium thulense
Hieracium pseudocurvatum a hawkweed Hieracium curvatum
    Hieracium nigrescens subsp. pseudocurvatum
Hieracium pseudopetiolatum Narrow-leaved Hawkweed Hieracium nigrescens subsp. pseudopetiolatum
    Hieracium petiolatum
Hieracium pugsleyi Pugsley's Hawkweed
Hieracium Sect Alpestria Hawkweeds
Hieracium sect. Alpestria Hieracium taxon Alpestria
Hieracium subgracilentipes Borrowdale Hawkweed Hieracium chrysanthum var. gracilentiforme
    Hieracium nigrescens subsp. subgracilentipes
Hieracium subtruncatum Mainland Hawkweed Hieracium truncatum
Hieracium vinicaule Wine-stemmed Hawkweed Hieracium platylepium
    Hieracium vinaceum
Hieracium zetlandicum Shetland Hawkweed
Hipparchia semele Grayling
Hippocampus guttulatus Long-snouted Seahorse Hippocampus ramulosus
    Maned Seahorse
Hippocampus hippocampus Short-snouted Seahorse Seahorse
Hippoglossus hippoglossus Halibut Atlantic Halibut
Hohenbuehelia culmicola Marram Oyster Acanthocystis petaloides var. macrospora
    Hohenbuehelia petalodes var. macrospora
    Pleurotus longipes
    Pleurotus petaloides forma carbonarius
Homomallium incurvatum Incurved Feather-moss Hypnum incurvatum
Homonotus sanguinolentus Bloody Spider-hunting Wasp
Hoplodrina blanda Rustic
Hoplostethus atlanticus Orange roughy
Hordeum marinum Sea Barley Critesion marinum
    Haidd-wellt y Môr
    Haiddwellt y Morfa
    Haiddwellt y Traeth
    Heiddwellt y Morfa
Hydnellum aurantiacum Orange Tooth Hydnum aurantiacum
    Hydnum suberosum var. aurantiacum
Hydnellum caeruleum Blue Tooth Calodon caeruleum
    Hydnum caeruleum
    Hydnum suaveolens var. caeruleum
Hydnellum concrescens Zoned Tooth Hydnellum velutinum var. zonatum
    Hydnellum zonatum
    Hydnum concentricum
    Hydnum concrescens
    Hydnum queletii
    Hydnum zonatum
Hydnellum ferrugineum Mealy Tooth Calodon ferrugineus
    Hydnum ferrugineum
    Phaeodon ferrugineus
Hydnellum peckii Devil's Tooth Hydnellum diabolus
    Hydnum diabolus
    Hydnum peckii
Hydnellum scrobiculatum Ridged Tooth Hydnellum velutinum var. scrobiculatum
    Hydnum scrobiculatum
Hydnellum spongiosipes Velvet Tooth Hydnellum velutinum var. spongiosipes
    Hydnum spongiosipes
    Hydnum velutinum var. spongiosipes
Hydraecia micacea Rosy Rustic
Hydraecia osseola subsp. hucherardi Marsh Mallow Moth
Hydrochus nitidicollis Gravel Water Beetle Hydrochus interruptus
Hydrometra gracilenta Lesser Water Measurer
Hydroporus necopinatus subsp. roni Ron's Diving Beetle Hydroporus cantabricus
Hydroporus rufifrons Oxbow Diving Beetle Hydroporus duftschmidti
    Hydroporus piceus
Hydropsyche bulgaromanorum Scarce Grey Flag Hydropsyche guttata
Hygrocybe spadicea Date-coloured Waxcap Agaricus spadiceus
    Date Waxcap
    Hygrophorus spadiceus
Hygrohypnum styriacum Snow Brook-moss
Hygrophorus pudorinus Rosy Woodwax Agaricus pudorinus
    Limacium pudorinum
Hyperoodon ampullatus Northern Bottlenose Whale
Hypocreopsis lichenoides Willow Gloves Acrospermum lichenoides
    Hypocrea parmelioides
    Hypocrea riccioidea
    Hypocreopsis riccioidea
    Sphaeria riccioidea
Hypocreopsis rhododendri Hazel Gloves
Hypogymnia vittata a lichen Parmelia physodes var. vittata
    Parmelia vittata
Iberis amara Wild Candytuft Berwr y Glinwst
    Beryn
    Beryn Chwerw
Idaea dilutaria Silky Wave
Idaea ochrata subsp. cantiata Bright Wave
Idiocera sexguttata Six-spotted Cranefly Gonomyia sexguttata
    Limnobia sexguttata
Illecebrum verticillatum Coral-necklace Berwr yr Iâr
    Clymogyn Troellog
Ironoquia dubia Scarce Brown Sedge
Isogenus nubecula Scarce Yellow Sally
Isurus oxyrinchus Mako Shortfin Mako
Jamesoniella undulifolia Marsh Flapwort Jamesoniella schraderi
Jodia croceago Orange Upperwing
Juncus pygmaeus Pygmy Rush Brwynen Fychan
    Juncus mutabilis
    Pigmy Rush
Jungermannia leiantha Long-leaved Flapwort Aplozia lanceolata
Juniperus communis Juniper Beryw
    Berywydd
    Eithin Bêr
    Eithin y Cwrw
    Eithinen Bêr
    Eithinen y Cwrw
    Juniperus borealis
    Meryw
    Merywen
    Merywen Gyffredin
Juniperus communis subsp. hemisphaerica a juniper Juniperus hemisphaerica
Jynx torquilla Wryneck Eurasian Wryneck
Kat's SAP
Laccophilus obsoletus a diving beetle
Lacerta agilis Sand Lizard
Lacon querceus Oak click beetle Lacon varius
Lactuca saligna Least lettuce Gwylaeth Eiddil
    Gwylaeth Leiaf
    Gwylaeth Lleiaf
Lagenorhynchus acutus Atlantic White-sided Dolphin
Lagenorhynchus albirostris White-beaked Dolphin
Lagopus lagopus Red Grouse Willow Grouse
    Willow Ptarmigan
Lamna nasus Porbeagle shark Porbeagle
Lampetra fluviatilis River Lamprey Lampern
Lampronia capitella Currant Shoot Borer
Lamprothamnium papulosum Foxtail Stonewort Chara alopecuroides
    Chara papulosa
    Chara wallrothii
    Lamprothamnus alopecuroides
    Lamprothamnus papulosus
    Lychnothamnus alopecuroides
Lanius collurio Red-backed Shrike
Larus argentatus Herring Gull
Lasioglossum (Evylaeus) angusticeps a solitary bee Lasioglossum angusticeps
Lasiommata megera Wall Wall Brown
Lebia (Lamprias) cyanocephala Blue Plunderer Lebia cyanocephala
Lecania chlorotiza a lichen Biatorina fallax
    Catillaria chlorotiza
    Lecidea chlorotiza
Lecanographa amylacea a lichen Lecanactis amylacea
    Lecanactis illecebrosa
    Lichen amylaceus
    Opegrapha illecebrosa
Lecanora achariana Tarn Lecanora Protoparmeliopsis achariana
    Squamaria cartilaginea
Lecanora cinereofusca a lichen
Lecanora quercicola a lichen
Lecanora sublivescens a lichen Lecanora orosthea var. sublivescens
    Lecidea sublivescens
Lecidea erythrophaea a lichen Biatora hyalinella
    Lecidea hyalinella
Lecidea inops Copper lecidea
Leersia oryzoides Cut-grass Oryza oryzoides
    Phalaris oryzoides
    Reis y Gwter
Leiocolea rutheana Norfolk Flapwort
    Fen Notchwort
    Lophozia rutheana
Lejeunea holtii Holt's Pouncewort Lejeunea eckloniana
Lejeunea mandonii Atlantic Pouncewort Atlantic Lejeunea
Leptidea sinapis Wood White
Leptodontium gemmascens Thatch-moss
Leptogium brebissonii a lichen Collema ruginosum
    Leptogium chloromelum
    Leptogium ruginosum
    Lichen chloromelus
Leptogium cochleatum a lichen Lepraria cochleatum
    Leptogium azureum
    Leptogium tremelloides
    Lichen cochleatus
    Lichen tremelloides
Leptogium hibernicum a lichen
Leptogium saturninum a lichen Lichen saturninus
Leptopsammia pruvoti Sunset Cup Coral
Lepus europaeus Brown Hare Lepus capensis
Lepus timidus Mountain Hare
Leucoraja circularis Sandy ray Raja circularis
Limenitis camilla White admiral Ladoga camilla
Limoniscus violaceus Violet Click Beetle
Limonium binervosum agg. Grouped Plan for Rock sea lavender
Limosa limosa subsp. limosa Black-tailed Godwit
Linnaea borealis Twinflower Gefellflodyn
    Linnaea
Lipara similis Cigarillo Gall-fly
Liparis loeselii Fen Orchid Gefell-lys Dwy-ddalenog
    Gefell-lys y Fignen
    Ophrys loeselii
    Tegeirian Tywodlyd
Lipsothrix ecucullata Scottish Yellow Splinter
Lipsothrix errans Northern Yellow Splinter Limnobia errans
Lipsothrix nervosa Southern Yellow Splinter
Lipsothrix nigristigma Scarce Yellow Splinter
Lithostege griseata Grey Carpet
Lithothamnion corallioides Coral Maërl
Lobelia urens Heath Lobelia Bidoglys Chwerw Lobelia
Locustella luscinioides Savi's Warbler
Locustella naevia Grasshopper Warbler Common Grasshopper Warbler
Lolium temulentum Darnel Afryn Coliog
    Efrau
    Efre
    Efryn Coliog
Lonchaea ragnari Viking Sword Fly Large Birch Lance-fly
Lophius piscatorius Sea monkfish Angler
    Anglerfish or Monkfish
Lophopus crystallinus Crystal Moss-animal Freshwater Bryozoan
Lophozia capitata Large-celled Flapwort
Lophozia longiflora Reddish Notchwort Lophozia guttulata
    Lophozia porphyroleuca
Lota lota Burbot
Loxia scotica Scottish Crossbill
Lucanus cervus Stag Beetle Lucanus inermis
Lucernariopsis campanulata a stalked jellyfish
Lucernariopsis cruxmelitensis St John's jellyfish
Lullula arborea Woodlark Wood Lark
Luperina nickerlii subsp. leechi Sandhill Rustic
Luronium natans Floating Water-plantain Alisma natans
    Dwfr Llyriad Nofiadwy
    Dwr-lyriad Nofiadwy
    Dyfr-lyriad Nofiadwy
    Llyren Nofiadwy
Lutra lutra Otter European Otter
Luzula arcuata Curved Wood-rush Arctic Woodrush
    Coedfrwynen Grom
    Juncoides arcuata
Luzula pallidula Fen Wood-rush Coedfrwynen Welw
    Juncoides pallescens
    Luzula pallescens
Lycia hirtaria Brindled Beauty
Lycia zonaria subsp. britannica Belted Beauty
Lycopodiella inundata Marsh Clubmoss Cnwpfwsogl y Gors
    Lepidotis inundata
    Lycopodium inundatum
    Lycopodium palustre
    Lyopodium inundatum
Lyophyllum favrei Gilded Domecap Calocybe favrei
    Tricholoma favrei
Lythrum hyssopifolia Grass-poly Gwyarllys lsopddail
    Urddon
    Yrddon
Macaria carbonaria Netted Mountain Moth Semiothisa carbonaria
Macaria wauaria V-moth Semiothisa wauaria
Macrosteles cyane Pondweed Leafhopper
Malachius aeneus Scarlet Malachite Beetle
Malacosoma neustria Lackey The Lackey
Margaritifera (Margaritifera) margaritifera Freshwater Pearl Mussel Margaritifera margaritifera
    Scottish Pearl Mussel
Marsupella arctica Arctic Rustwort
Marsupella profunda Western Rustwort
Martes martes Pine Marten
Matthiola sinuata Sea Stock
    Cheiranthus sinuatus
    Great Sea Stock
Mecopisthes peusi Peus's Long-back Spider Mecopisthes pusillus
Megalaria laureri Laurer's catillaria Biatora intermixta
    Biatorina subsphaeroides
    Catillaria intermixta
    Catillaria laureri
    Catinaria intermixta
    Catinaria laureri
    Gyalecta livida
    Lecidea subsphaeroides
    Phialopsis livida
Megalomus hirtus Bordered Brown Lacewing
Megalospora tuberculosa a lichen Bombyliospora incana
    Bombyliospora pachycarpa
    Lecidea incana
    Lecidea pachycarpa
    Lecidea tuberculosa
    Lichen incanus
    Megalospora pachycarpa
    Patellaria pachycarpa
Megapenthes lugens The Queen's Executioner
Megaptera novaeangliae Humpback Whale
Meioneta mollis Thin Weblet
Melampyrum cristatum Crested Cow-wheat Gliniogai Cribog
Melampyrum sylvaticum Small Cow-wheat Gliniogai Melyn y Coed
    Gliniogai'r Coed
Melanapion minimum Sallow Guest Weevil Apion minimum
    Apion ryei
Melanchra persicariae Dot Moth
Melanchra pisi Broom Moth Ceramica pisi
Melandrya barbata Bearded False Darkling Beetle Melandrya dubia
Melanelia subargentifera a lichen Melanelixia subargentifera
    Parmelia subargentifera
Melanitta nigra Common Scoter
Melanotus punctolineatus Sandwich Click Beetle Melanotus aterrimus
    Melanotus niger
Melanthia procellata Pretty Chalk Carpet
Melaspilea lentiginosa a lichen Opegrapha lentiginosa
    Stictographa lentiginosa
Melitaea athalia Heath Fritillary Mellicta athalia
Melitaea cinxia Glanville Fritillary
Melittis melissophyllum Bastard Balm Gwenynog
    Gwenynog Lasgoch a Gwyn
    Gwenynog Wen-goch
Meloe proscarabaeus Black Oil-beetle
Meloe rugosus Rugged Oil-beetle
Meloe violaceus Violet Oil-beetle
Mentha pulegium Pennyroyal Brefai
    Breflys
    Coluddlys
    Colyddlys
    Llyrcadlys
    Llys y Coludd
    Llys y Gwaed
    Llysiau Coludd
    Llysiau'r Archoll
    Llysiau'r Gwaed
    Llysiau'r Pwdin
Meotica anglica Shingle Rove Beetle Homalota pallens
    Meotica indocilis
    Meotica pallens
Mercuria cf. similis Swollen Spire Snail Mercuria confusa
    Mercuria similis
    Mercuria ventrosa
Merlangius merlangus Whiting
Merluccius merluccius European Hake
Mesoligia literosa Rosy Minor
Mesoplodon bidens Sowerby's Beaked Whale Sowerby's Whale
Mesoplodon mirus True's Beaked Whale
Metaiulus pratensis Kentish Snake Millipede
Microglossum olivaceum Earth-tongue Geoglossum olivaceum
    Leptoglossum olivaceum
    Microglossum fuscorubens
    Microglossum olivaceum var. fuscorubens
    Mitrula olivacea
    Olive Earthtongue
Micromesistius poutassou Blue Whiting
Micromitrium tenerum Millimetre Moss Nanomitrium tenerum
Micromys minutus Harvest Mouse
Midia midas Midas Tree-weaver Lepthyphantes carri
    Lepthyphantes midas
Mielichhoferia mielichhoferiana Alpine Copper-moss Mielichhoferia mielichhoferi
    Mielichhoferia nitida
Minoa murinata Drab Looper
Minuartia hybrida Fine-leaved Sandwort Alsine tenuifolia
    Arenaria hybrida
    Tywodlys Deilfain
    Tywodwlydd Meindwf
Minuartia rubella Mountain Sandwort Alsine rubella
    Arenaria hirta
    Arenaria rubella
    Arenaria sulcata
    Red Sandwort
    Tywodlys Bach Coch
    Tywodwlydd Bychan Coch
Minuartia sedoides Cyphel Arenaria sedoides
    Cherleria sedoides
    Eilun Briweg
    Mossy Cyphel
Mitella pollicipes Gooseneck Barnacle
Molva dypterygia Blue ling
Molva molva Ling
Moneses uniflora One-flowered Wintergreen Coedwyrdd Unblodeuyn
    Moneses uniflora
    Pyrola uniflora
    St. Olaf's Candlestick
Monocephalus castaneipes Broad Groove-head Spider
Monotropa hypopitys Yellow Bird's-nest Cyd-dwf
    Cytwf
Monotropa hypopitys subsp. hypophegea Bird`s-Nest Monotropa hypophegea
    Monotropa hypopitys var. glabra
Monotropa hypopitys subsp. hypopitys a bird`s-nest Hypopitys hypopitys
Motacilla flava subsp. flavissima Yellow Wagtail
Muscardinus avellanarius Dormouse Common Dormouse
    Hazel Dormouse
Muscari neglectum Grape-hyacinth Muscari atlanticum
Muscicapa striata Spotted Flycatcher
Mustela putorius Polecat
Mycena renati Beautiful Bonnet Agaricus flavipes
    Mycena flavipes
Myolepta potens Western Wood-vase Hoverfly Musca potens
Myotis bechsteinii Bechstein's bat Myotis bechsteini
Myriostoma coliforme Pepper Pot Geastrum coliformis
    Lycoperdon coliforme
    Myriostoma anglicum
    Polystoma coliforme
Mythimna comma Shoulder-striped Wainscot
Myxas glutinosa Glutinous Snail
Najas flexilis Slender Naiad Caulinia flexilis
    Nymff Ystwyth
Najas marina Holly-leaved Naiad Hollyweed
    Nymff Arfor
Natrix natrix Grass Snake
Nemapogon picarella Pied Tineid Moth Oak Clothes
    Pied Clothes
    Pied Clothes Moth
Nematopogon magna Scarce Long-horn Moth Nematopogon variella
    Scarce Long-horn
Nematostella vectensis Starlet Sea Anemone Nematostella pellucida
Nemophora fasciella Horehound Long-horn Moth Horehound Long-horn
Neoempheria lineola giant wood-gnat Sciophila lineola
Nephroma arcticum Arctic kidney-lichen Lichen arcticus
Niphargus glenniei British Cave Shrimp Niphargellus glenniei
Nitella gracilis Slender Stonewort Chara gracilis
Nitella tenuissima Dwarf Stonewort Chara flexilis var. stellata
    Chara stellata
    Chara tenuissima
Nitellopsis obtusa Starry stonewort Chara obtusa
    Chara stelligera
    Lychnothamnus stelligera
Noctua orbona Lunar Yellow Underwing
Nomada armata Scabious Cuckoo Bee Nomada kirbyella
Nomada errans a cuckoo bee
Nothogeophilus turki Turk's Earth-centipede
Nothophantes horridus Horrid Ground-weaver
Notioscopus sarcinatus Swamp Lookout Spider Notioscopus lapponicus
Numenius arquata Curlew Eurasian Curlew
Nyctalus noctula Noctule Bat Noctule
Nyssopsora echinata Spignel Rust Puccinia athamanthae
    Triphragmium echinatum
    Uredo athamantae
Oberea oculata Eyed Longhorn Beetle
Ochthebius (Hymenodes) poweri Rockface Beetle Ochthebius metallescens
    Ochthebius poweri
Odontomyia hydroleon Barred Green Colonel Musca hydroleon
    Soldier-fly
Odynerus (Odynerus) melanocephalus Black-headed Mason Wasp Odynerus melanocephalus
Odynerus (Spinicoxa) simillimus Fen Mason-wasp Odynerus simillimus
Oenanthe fistulosa Tubular Water-dropwort Dibynlor Chwibog
    Dibynlor Pibellaidd
Omphiscola glabra Mud Pond Snail Lymnaea glabra
    Mud Snail
Opegrapha prosodea a lichen Opegrapha taxicola
    Opegrapha viridis forma taxicola
    Opegrapha viridis var. taxicola
Opegrapha subelevata a lichen
Ophonus (Metophonus) laticollis Set-aside Downy-back Harpalus punctatulus
    Ophonus laticollis
    Ophonus nitidulus
    Ophonus punctatulus
Ophonus (Metophonus) melletii Mellet's Downy-back Harpalus brevicollis
    Harpalus melleti
    Ophonus brevicollis
    Ophonus championi
    Ophonus melleti
    Ophonus rectangulus
    Ophonus rupicoloides
Ophonus (Metophonus) puncticollis a ground beetle Harpalus puncticollis
    Ophonus puncticollis
Ophonus (Ophonus) stictus Oolite Downy-back Ophonus monticola
    Ophonus obscurus
    Ophonus stictus
Ophrys insectifera Fly Orchid Caineirian yr Ednogyn
    Ophrys muscifera
    Tegeirian Pryfyn
    Tegeirian Trychfilyn
    Tegeirian y Gleren
Orchestes (Orchestes) testaceus Alder Flea Weevil Jumping Weevil
    Orchestes alni
    Orchestes testaceus
Orchis simia Monkey Orchid Tegeirian Epa
Orchis ustulata Burnt Orchid Cordegeirian
    Neotinea ustulata
Orcinus orca Killer Whale
Orgyia recens Scarce Vapourer
Oria musculosa Brighton Wainscot
Orobanche picridis Oxtongue Broomrape Orobanche artemisiae-campestris
    Orobanche artemisiae-campestris subsp. picridis
    Orobanche loricata
Orthodontium gracile Slender Thread-moss
Orthonama vittata Oblique Carpet
Orthosia gracilis Powdered Quaker
Orthotrichum gymnostomum Aspen Bristle-moss Nyholmiella gymnostoma
Orthotrichum obtusifolium Blunt-leaved Bristle-moss
Orthotrichum pallens Pale Bristle-moss Orthotrichum polare
Orthotrichum pumilum Dwarf Bristle-moss Orthotrichum fallax
    Orthotrichum schimperi
Osmerus eperlanus Smelt
Osmia (Melanosmia) inermis a mason bee Osmia inermis
    Osmia parietina
Osmia (Melanosmia) parietina Wall Mason Bee Osmia parietina
Osmia (Melanosmia) uncinata a mason bee Osmia uncinata
Osmia (Melanosmia) xanthomelana Large Mason Bee Osmia atricapilla
    Osmia xanthomelana
Ostrea edulis Native oyster Common Oyster
    Flat Oyster
Otanthus maritimus Cottonweed Diotis maritima
    Edafeddog y Môr
    Filago maritima
    Llwyn Bonheddig
    Môr-edafeddog
    Moredafeddog
Ozyptila nigrita Southern Crablet
Pachycerianthus multiplicatus Fireworks anemone
Pachycordyle navis Brackish Hydroid Clavopsella navis
    Clavopsella quadranularia
Padina pavonica Peacock’s tail
Palinurus elephas Crawfish Crawfish or Spiny Lobster
    Crayfish
    European Spiny Lobster
    Spiny Lobster
Pallavicinia lyellii Veilwort Ribbonwort
Panagaeus cruxmajor Crucifix Ground Beetle
Paracolax tristalis Clay Fan-foot Paracolax derivalis
Pareulype berberata Barberry Carpet
Parmeliella testacea a lichen
Parmelina quercina a lichen Lichen quercinus
    Parmelia carporrhizans
    Parmelia tiliacea
    Parmelia tiliacea subsp. carporrhizans
    Parmelia tiliacea var. carporrhizans
Parmotrema robustum a lichen Parmelia dilatata
    Parmelia robusta
Passer domesticus House Sparrow
Passer montanus Tree Sparrow Eurasian Tree Sparrow
Pechipogo strigilata Common Fan-foot
Pelophylax lessonae Pool Frog Rana lessonae
Peltigera lepidophora Ear-lobed Dog-lichen Peltigera canina var. lepidophora
    Peltigera rufescens var. lepidophora
Peltigera malacea Matt Felt Lichen Peltidea malacea
Peltigera venosa Pixie gowns lichen Lichen venosus
    Peltidea venosa
Pelurga comitata Dark Spinach
Perdix perdix Grey Partridge
Perizoma albulata subsp. albulata Grass Rivulet
Pertusaria velata a lichen Parmelia velata
    Variolaria velata
Petalophyllum ralfsii Petalwort
Petromyzon marinus Sea Lamprey
Phaeophyscia endococcina a lichen Parmelia endococcinea
Phalaropus lobatus Red-necked Phalarope
Phaonia jaroschewskii Hairy Canary Aricia jaroschewskii
    Phaonia crinipes
Phellodon confluens Fused Tooth Hydnum amicum
    Hydnum confluens
    Phellodon amicus
Phellodon melaleucus Grey Tooth Hydnum albonigrum
    Hydnum fuscum subsp. foetens
    Hydnum graveolens
    Hydnum leptopus
    Hydnum melaleucum
    Phellodon alboniger
    Phellodon graveolens
Phellodon niger Black Tooth Hydnellum nigrum
    Hydnum cinereum
    Hydnum nigrum
Phellodon tomentosus Woolly Tooth Hydnum connatum
    Hydnum cyathiforme
    Hydnum tomentosum
    Hydnum variecolor
Phengaris arion Large Blue Large Blue Butterfly
    Maculinea arion
Philodromus fallax Sand Running-spider
Philodromus margaritatus Lichen Running-spider Philodromus levipes
Philonotis cernua Swan-necked Apple-moss Bartramidula wilsonii
    Philonotis wilsonii
Philonotis marchica Bog Apple-moss
Philorhizus quadrisignatus Mab's Lantern Dromius quadrisignatus
Philorhizus vectensis a ground beetle Dromius insignis
    Philorhizus insignis
Phoca vitulina Common Seal Eastern Atlantic Harbour Seal
Phocoena phocoena Harbour Porpoise Common Porpoise
Pholiota astragalina Conifer Scalycap Agaricus astragalinus
    Dryophila astragalina
    Flammula astragalina
Phyllonorycter sagitella Scarce Aspen Midget Moth Scarce Aspen Midget
Phyllonorycter scabiosella Surrey Midget Moth Surrey Midget
Phylloporus pelletieri Golden-gilled Bolete Agaricus paradoxus
    Agaricus pelletieri
    Boletus paradoxus
    Clitocybe pelletieri
    Flammula paradoxa
    Paxillus paradoxus
    Phylloporus paradoxus
    Phylloporus rhodoxanthus
    Phylloporus rhodoxanthus subsp. europaeus
Phylloscopus sibilatrix Wood Warbler
Phymatolithon calcareum Common Maërl
Physatocheila smreczynskii Apple Lace-bug
Physcia tribacioides Southern Grey Physcia
Physcomitrium eurystomum Norfolk Bladder-moss
Physeter macrocephalus Sperm Whale Physeter catodon
Phyteuma spicatum Spiked Rampion
Pilosella flagellaris subsp. bicapitata Shetland Mouse-ear-hawkweed Hieracium flagellare subsp. bicapitata
Pilularia globulifera Pillwort Pelanllys
    Pelanllys Cronynog
    Pelanllys Gronynnog
    Pelenllys
    Pupur y Ddaear
Pipistrellus pipistrellus Pipistrelle Bat
Pipistrellus pygmaeus Soprano Pipistrelle 55 kHz Pipistrelle
    Brown Pipistrelle
    Pipistrellus pipistrellus 55kHz
    Vespertilio pygmaeus
Piptoporus quercinus Oak Polypore Boletus pulvinus
    Boletus quercinus
    Buglossoporus pulvinus
    Buglossoporus quercinus
    Polyporus quercinus
Pisidium tenuilineatum Freshwater Pea Mussel Fine-lined Pea Mussel
Plagiobryum demissum Alpine Hump-moss
Platanthera bifolia Lesser Butterfly-orchid Baladr Dwyddeiliog
    Habenaria bifolia
    Orchis bifolia
    Tegeirian Glöyn Byw Lleiaf
    Tegeirian Llydanwyrdd Bach
Platycis cosnardi Cosnard's Net-winged Beetle
Plebejus argus Silver-studded Blue
Plecotus auritus Brown Long-eared Bat
Pleuronectes platessa Plaice
Poa flexuosa Wavy Meadow-grass Gweunwellt Crychog
    Poa laxa
    Poa minor
Poa glauca Glaucous Meadow-grass Gweunwellt Llwydwyrdd
    Poa balfourii
    Poa caesia
Podoscypha multizonata Zoned Rosette Stereum multizonatum
    Thelephora multizonata
Poecile montanus Willow Tit Parus montanus
Poecile palustris Marsh Tit Parus palustris
Poecilus kugelanni Kugelann’s Green Clock Poecilus dimidiatus
    Pterostichus kugelanni
Poeltinula cerebrina a lichen Encephalographa cerebrina
    Lithographa cerebrina
    Melanospora cerebrina
    Opegrapha cerebrina
Pogonus luridipennis Yellow Pogonus
Pohlia obtusifolia Blunt-leaved Thread-moss Pohlia cucullata
    Webera cucullata
Pohlia scotica Scottish Thread-moss Scottish Pohlia
Polia bombycina Pale Shining Brown Polia nitens
Polychidium dendriscum a lichen Ephebe byssoides
    Leptogidium dendriscum
    Leptogidium moorei
    Leptogium moorei
Polygonatum verticillatum Whorled Solomon's-seal Convallaria verticillata
    Sêl Selyf Culddail
Polystichum lonchitis Holly Fern Aspidium asperum
    Aspidium lonchitis
    Celyn Redynen yr Wyddfa
    Celynredynen
    Dryopteris lonchitis
    Polypodium lonchitis
Polyzonium germanicum Boring Millipede
Porina effilata a lichen
Porina hibernica a lichen Zamenhofia hibernica
Porina sudetica a lichen Verrucaria sudetica
Poronia punctata Nail Fungus Hypoxylon punctatum
    Peziza punctata
    Sphaeria poronia
    Sphaeria punctata
    Sphaeria truncata
Potamanthus luteus Yellow Mayfly
Potamogeton acutifolius Sharp-leaved Pondweed
Potamogeton compressus Grass-wrack Pondweed Dyfrllys Camlaswellt
Potamogeton rutilus Shetland Pondweed Dyfrllys yr Ynysoedd
Potentilla rupestris Rock Cinquefoil Drymocallis rupestris
Prionace glauca Blue shark
Prostoma jenningsi Jennings's Ribbon-worm
Protolampra sobrina Cousin German Paradiarsia sobrina
Prunella modularis Dunnock Hedge Accentor
    Hedge Sparrow
Psathyrella caput-medusae Medusa Brittlestem Agaricus caput-medusae
    Agaricus jerdonii
    Drosophila caput-medusae
    Geophila caput-medusae
    Psathyrella jerdonii
    Stropharia caput-medusae
    Stropharia jerdonii
Pseudanodonta complanata Depressed River Mussel
Pseudepipona herrichii Purbeck Mason Wasp Leionotus basalis
    Odynerus basalis
    Pseudepipona basalis
    Pseudepipona variegata
Pseudeuophrys obsoleta Whelk-shell Jumper Euophrys browningi
Pseudocyphellaria aurata a lichen Lichen auratus
    Sticta aurata
Pseudocyphellaria intricata a lichen Cyanisticta normalis
    Pseudocyphellaria thouarsii
    Sticta intricata
    Sticta intricata var. thouarsii
    Stictina intricata var. thouarsii
Pseudocyphellaria lacerata Ragged pseudocyphellaria
Pseudocyphellaria norvegica a lichen Cyanisticta aberrans
    Cyanisticta ecyphellata
    Cyanisticta norvegica
    Pseudocyphellaria thouarsii
    Sticta intricata var. thouarsii
    Sticta thouarsii
    Sticta thouarsii forma aberrans
    Stictina intricata var. thouarsii
    Stictina thouarsii var. ecyphellata
Pseudoleskea incurvata Brown Mountain Leskea Lescuraea atrovirens
    Lescuraea incurvata
    Pseudoleskea atrovirens
Pseudorchis albida Small-white Orchid Gymnadenia albida
    Habenaria albida
    Leucorchis albida
    Satyrium albidum
    Tegeirian Broga Gwyn
Psylliodes luridipennis Lundy Cabbage Flea Beetle Psylliodes hospes
Puccinellia fasciculata Borrer's Saltmarsh-grass Glyceria borreri
    Gweunwellt Arfor Borrer
    Phippsia fasciculata
    Poa fasciculata
    Puccinellia fasciculata subsp. pseudodistans
    Puccinellia pseudodistans
    Sclerochloa borreri
Puccinia clintonii Lousewort Rust Aecidium pedicularis
    Puccinia clintonii var. sylvaticae
Puccinia physospermi Bladder-seed Rust
Puccinia scorzonerae Scorzonera Rust Puccinia scorzonericola
    Uredo scorzonerae
Puccinia septentrionalis Alpine Rust
Puccinia thesii Bastard-toadflax Rust Aecidium thesii
Puffinus mauretanicus Balearic Shearwater
Pulicaria vulgaris Small Fleabane Inula pulicaria
    Lesser fleabane
    Pulicaria prostrata
    Pulicaria pulicaria
Pulmonaria obscura Unspotted Lungwort Pulmonaria officinalis subsp. obscura
    Suffolk Lungwort
Pulsatilla vulgaris Pasqueflower Anemone pulsatilla
    Anemone vulgaris
    Blodyn y Pasg
Pyrausta sanguinalis Scarce Crimson & Gold
Pyrenula dermatodes a lichen Verrucaria achroopora
    Verrucaria dermatodes
    Verrucaria glabratula
Pyrenula hibernica a lichen Anthracothecium hibernicum
    Anthracothecium pyrenuloides
    Parmentaria chilensis
    Polyblastia hibernica
    Pyrenula chilensis
    Verrucaria hibernica
    Verrucaria pyrenuloides var. hibernica
Pyrenula nitida a lichen Pyrenula nitida forma minor
    Sphaeria nitida
Pyrgus malvae Grizzled Skipper
Pyropteron chrysidiformis Fiery Clearwing Bembecia chrysidiformis
Pyrrhula pyrrhula Bullfinch Common Bullfinch
Pyrus cordata Plymouth Pear
Quickella arenaria Sandbowl snail Catinella arenaria
    Sand Amber Snail
Radula carringtonii Carrington's Scalewort
Raja undulata Undulate Ray
Ramonia chrysophaea a lichen Ocellaria chrysophaea
    Peziza chrysophaea
    Propolis chrysophaea
    Stictis chrysophaea
Ramonia dictyospora a lichen
Ramonia nigra a lichen
Ranunculus arvensis Corn Buttercup Crafanc yr yd
    Crafanc-Fran yr yd
    Egyllt Balloglys
    Egyllt Newynog
    Egyllt yr yd
Ranunculus tripartitus Three-lobed Water-crowfoot Egyllt cochwyn
    Egyllt y Llynnoedd
    Ranunculus lutarius
    Three-lobed Crowfoot
Reinhardtius hippoglossoides Greenland halibut
Rhabdomastix japonica River-shore Cranefly
Rhamphomyia hirtula mountain dance-fly Rhamphomyia (Pararhamphomyia) hirtula
Rheumaptera hastata Argent and sable Argent & Sable
Rhinolophus ferrumequinum Greater Horseshoe Bat
Rhinolophus hipposideros Lesser Horseshoe Bat
Rhizedra lutosa Large Wainscot
Rhynchostegium rotundifolium Round-leaved Feather-moss
    Eurhynchium rotundifolium
Rhytidiadelphus subpinnatus Scarce Turf-moss Rhytidiadelphus calvescens
    Rhytidiadelphus squarrosus subsp. calvescens
Ribautodelphax imitans Tall Fescue Planthopper
Riccia bifurca Lizard Crystalwort
Riccia canaliculata Channelled Crystalwort
Riccia nigrella Black Crystalwort
Rinodina degeliana a lichen
Rinodina isidioides a lichen Borrera isidioides
    Lecanora isidioides
    Parmelia isidioides
Rostroraja alba White skate Raja alba
Rumex aquaticus Scottish Dock Tafolen yr Alban
Rumex rupestris Shore Dock
Saaristoa firma Triangle Hammock-spider Oreonetides firmus
Sagina nivalis Snow Pearlwort Corwlyddyn yr Eira
    Lesser Alpine Pearlwort
    Sagina caespitosa
    Sagina intermedia
    Sagina saginoides var. nivalis
Saldula setulosa Hairy Shore-bug
Salix lanata Woolly Willow Helygen Wlanog
Salix lapponum Downy Willow Helygen Wlanog Hirddail
Salix myrsinites Whortle-leaved Willow Helygen Fyrtwydd
Salmo salar Atlantic Salmon (Atlantic) Salmon
    Salmon
Salmo trutta Brown Trout Brown/Sea Trout
    Sea Trout
    Trout
Salsola kali subsp. kali Prickly Saltwort Saltwort
Salticella fasciata Dune Snail-killing Fly Eggizoneura maculipes
    Lucina fasciata
    Salticella maculipes
Salvelinus alpinus Arctic Charr Char Brook
    Charr
Sarcodon glaucopus Greenfoot Tooth
Sarcodon scabrosus Bitter Tooth Hydnum scabrosum
Sarcodon squamosus a tooth fungus Hydnum imbricatum
    Hydnum squamosum
    Sarcodon imbricatus
Sarcodontia crocea Orchard Tooth Acia setosa
    Hydnum croceum
    Hydnum schiedermayeri
    Hydnum setosum
    Mycoacia setosa
    Mycoacia squalina
    Sarcodontia mali
    Sarcodontia setosa
    Sistotrema croceum
Sarcosphaera coronaria Violet Crowncup Peziza coronaria
    Peziza crassa
    Peziza eximia
    Peziza macrocalyx
    Sarcosphaera crassa
    Sarcosphaera eximia
    Sepultaria coronaria
Satyrium w-album White-letter Hairstreak
Saxifraga cernua Drooping Saxifrage Tormaen Crwn Gogwyddol
Saxifraga cespitosa Tufted Saxifrage
Saxifraga hirculus Yellow Marsh Saxifrage Marsh Saxifrage
    Tormaen Melyn y Gors
Scandix pecten-veneris Shepherd's-needle
Schismatomma graphidioides a lichen Chiodecton graphidioides
    Enterographa graphidioides
    Lecidea farinosa
    Lichen pericleus
    Platygrapha periclea
    Platygrapha rimata
    Platygrapha rimatum
    Schismatomma abietinum
    Schismatomma farinosum
    Schismatomma pericleum
    Schismatomma rimatum
    Verrucaria abietina
Schoenoplectus triqueter Triangular Club-rush Llafrwynen Drichomel
    Scirpus triqueter
    Scirpus triquetrus
    Triangular Bulrush
Sciota hostilis Scarce Aspen Knot-horn Nephopterix hostilis
Scirpoides holoschoenus Round-headed Club-rush Clwbfrwynen Sypynog
    Holoschoenus vulgaris
    Scirpus holoschoenus
Sciurus vulgaris Red Squirrel Eurasian Red Squirrel
Scleranthus annuus Annual Knawel Dinodd BIynyddol
    Dinodd Flynyddol
    Dinodd y Flwyddyn
    Knawel
Scleranthus annuus subsp. annuus Annual Knawel
Scleranthus perennis subsp. prostratus Prostrate Perennial Knawel
Sclerophora pallida a lichen Calicium cantherellum
    Calicium pallidum
    Calicium peronellum
    Coniocybe coniophaea
    Coniocybe pallida
    Coniocybe pallida var. coniophaea
    Phacotrum cantherellum
    Pilacre pallida
    Roesleria hypogaea
    Roesleria pallida
    Sclerophora nivea
    Trichia nivea
Scomber scombrus Mackerel
Scopelophila cataractae Tongue-leaf Copper-moss
Scopula marginepunctata Mullein Wave
Scotopteryx bipunctaria Chalk carpet
Scotopteryx chenopodiata Shaded Broad-bar
Scythris siccella Least Owlet
Segmentina nitida Shining Ramshorn The Shining Ram's-horn
Seligeria carniolica Water Rock-bristle Trochobryum carniolicum
Seligeria oelandica Irish Rock-bristle
Semljicola caliginosus Cloud-living Spider Eboria caliginosa
    Semljicola caliginosa
Senecio paludosus Fen Ragwort Creulys y Ffos
Shargacucullia lychnitis Striped Lychnis Cucullia lychnitis
Silene gallica Small-flowered Catchfly Gludlys Amryliw
    Gludlys Brutanaidd
    Silene anglica
    Silene quinquevulnera
Silene otites Spanish Catchfly Breckland Catchfly
    Cucubalus otites
    Gludlys Ysbaenaidd
Silometopus incurvatus Bend-bearing Blunt-brow Spider
Siona lineata Black-veined Moth
Sitticus caricis Sedge Jumper Sitticus hastatus
Sitticus distinguendus Distinguished Jumper
Sium latifolium Greater Water-parsnip Dwfr-foronen Mwyaf
    Dyfr-foronen
    Dyfr-foronen Llydanddail
    Moronen y Dwr Llydanddail
    Panasen y Dwr
    Pannas y Dwr Llydanddail
    Pannas y Dwr Mwyaf
Solea solea Sole Solea vulgaris
Solenopsora liparina a lichen Lecanora liparina
    Serpentine Solenopsora
Sorbus arranensis Arran Whitebeam Pyrus arranensis
Sorbus bristoliensis Bristol whitebeam
Sorbus eminens Round-leaved Whitebeam
Sorbus leptophylla Thin-leaved Whitebeam
Sorbus leyana Ley's Whitebeam Cerdin Darren Fach
Sorbus minima Least Whitebeam Pyrus minima
Sorbus pseudofennica Arran Service-tree Pyrus fennica
    Sorbus fennica
Sorbus subcuneata Somerset Whitebeam
Sorbus vexans Bloody Whitebeam
Sorbus wilmottiana Wilmott's Whitebeam
Southbya nigrella Blackwort
Spartina maritima Small Cord-grass Cordwellt Bach
    Dactylis maritima
    Spartina
Sphaerium solidum Wytham Orb Mussel
Sphaerocarpos texanus Texas Balloonwort
Sphagnum balticum Baltic Bog-moss
Spilosoma lubricipeda White Ermine
Spilosoma luteum Buff Ermine
Spiranthes romanzoffiana Irish Lady's-tresses American Lady's Tresses
    Spiranthes gemmipara
    Spiranthes romanzoffiana subsp. gemmipara
    Spiranthes romanzoffiana subsp. stricta
    Spiranthes stricta
    Troellog Gwyddelig
Splachnum vasculosum Rugged Collar-moss
Squalus acanthias Spurdog Spiny Dogfish
Squamarina lentigera Scaly breck-lichen Lecanora lentigera
    Lichen lentigerus
Squatina squatina Monkfish Angel Fish
    Angel Shark
Stellaria palustris Marsh Stitchwort Serenllys Llwydlas Tafod yr Edn Llwydlas
    Stellaria dilleniana
    Stellaria glauca
Stenella coeruleoalba Striped Dolphin Euphrosyne Dolphin
    Meyen's Dolphin
Stenus (Stenus) longitarsis Skeetle Stenus longitarsis
Stenus (Stenus) palposus Lough Neagh Camphor Beetle Stenus palposus
Stephanospora caroticola Carroty False Truffle Hydnangium caroticolor
    Hysterangium caroticolor
    Octaviania caroticolor
Stercorarius parasiticus Arctic Skua
Stereocaulon delisei a lichen
Stereocaulon symphycheilum a lichen
Sterna dougallii Roseate tern
Stethophyma grossum Large Marsh Grasshopper Gryllus grossum
Sticta canariensis a lichen
Stigmella zelleriella Sandhill Pigmy Moth Sandhill Pigmy
    Stigmella repentiella
Stilbia anomala Anomalous The Anomalous
Streptopelia turtur Turtle Dove European Turtle Dove
Strigula stigmatella var. stigmatella a lichen Arthopyrenia faginea
    Lichen stigmatellus
    Porina faginea
    Sagedia faginea
    Strigula stigmatella
    Verrucaria cinerea
Strigula tagananae a lichen Strigula lateralis
    Verrucaria tagananae
Stropharia hornemannii Conifer Roundhead Agaricus depilatus
    Agaricus hornemannii
    Naematoloma hornemanii
    Stropharia depilata
Sturnus vulgaris Starling Common Starling
Styela gelatinosa Loch Goil Sea Squirt
Swiftia pallida Northern Sea Fan
Synalissa symphorea a lichen Collema ramulosum
    Collema symphoreum
    Lichen symphoreus
    Synalissa ramulosa
Synaptus filiformis Hairy Click Beetle
Syncopacma albipalpella Slate Sober Moth Slate Sober
Syncopacma suecicella Western Sober Moth Western Sober
Tapinocyba mitis Gentle Groove-head Spider
Tapinoma erraticum Erratic Ant
Taraxacum clovense Clova Dandelion
Taraxacum geirhildae Shetland Dandelion Taraxacum spectabile var. geirhildae
Tayloria lingulata Tongue-leaved Gland-moss
Tayloria tenuis Slender Gland-moss Tayloria serrata var. tenuis
Telaranea nematodes Irish Threadwort Telaranea sejuncta
Teloschistes flavicans Golden Hair-Lichen Borrera flavicans
    Lichen flavicans
    Lichen vulpinus
    Parmelia flavicans
    Parmelia perlata var. flavicans
    Physcia flavicans
Temnothorax interruptus Long-spined Ant Leptothorax interruptus
Tenellia adspersa Lagoon Sea Slug
Tephrocybe osmophora Sweet Greyling Clitocybe osmophora
Tephroseris integrifolia subsp. integrifolia Field Fleawort Senecio campestris
Tetrao tetrix Black Grouse
Tetrao urogallus Capercaillie Western Capercaillie
Tetrodontium repandum Small Four-tooth Moss Tetraphis browniana var. repanda
Teucrium scordium Water Germander Chwerwlys y Dwr
    Chwerwlys y Twyn
    Ysgordiwm
    Ysgyr
Thalera fimbrialis Sussex Emerald
Thamnobryum angustifolium Derbyshire Feather-moss Thamnium angustifolium
Thamnobryum cataractarum Yorkshire Feather-moss
Thecla betulae Brown Hairstreak
Thelenella modesta Warty Wax-lichen Microglaena modesta
    Verrucaria modesta
Thinobius newberyi Newbery's Rove Beetle Thinobius pallidus
Thlaspi perfoliatum Cotswold pennycress Codywasg Trydwll
    Microthlaspi perfoliatum
    Perfoliate (Cotswold) Pennycress
    Perfoliate Penny-cress
Tholera cespitis Hedge Rustic
Tholera decimalis Feathered Gothic Tholera popularis
Thunnus thynnus Blue-fin Tuna Tunny
Thymelicus acteon Lulworth Skipper
Thyridanthrax fenestratus Mottled bee-fly Anthrax fenestratus
    Anthrax ornatus
    Bibio nigritus
    Thyridanthrax maurus
    Thyridanthrax nigritus
    Thyridanthrax ornatus
Timandra comae Blood-Vein Timandra griseata
Timmia austriaca Sheathed Timmia
Tolypella glomerata Clustered Stonewort Chara glomerata
    Chara smithii
    Tolypella giennensis
    Tolypella glomerata
    Tolypella glomerata var. erythrocarpa
    Tolypella nidifica var. glomerata
Tolypella intricata Tassel Stonewort Chara intricata
    Chara polysperma
Tolypella prolifera Great Tassel Stonewort Chara borreri
    Chara prolifera
    Tolypella intricata forma prolifera
    Tolypella intricata intricata prolifera
Toninia physaroides a lichen Thalloidima luridum
    Thalloidima physaroides
    Toninia lurida
Toninia sedifolia a lichen Biatorina caeruleonigricans
    Lichen caeruleonigricans
    Lichen sedifolius
    Thalloidima caeruleonigricans
    Toninia caeruleonigricans
Torilis arvensis Spreading Hedge-parsley Caucalis arvensis
    Spreading Bur Parsley
    Troed-y-cyw Ymdaenol
Tortula cernua Flamingo-moss Desmatodon cernuus
Tortula cuneifolia Wedge-leaved Screw-moss
Tortula freibergii Freiberg's Screw-moss
Tortula vahliana Chalk Screw-moss
Tortula wilsonii Wilson`s Pottia Pottia asperula
    Pottia wilsonii
    Tortula (Pottia) wilsonii
Trachurus trachurus Horse Mackerel Scad
Trachysphaera lobata Sand Pill-millipede
Tracya hydrocharidis Frogbit Smut
Tremella moriformis Mulberry Brain Dacrymyces moriformis
Tremellodendropsis tuberosa Ashen Coral Aphelaria tuberosa
    Clavaria gigaspora
    Merisma tuberosum
    Stereum tuberosum
    Thelephora tuberosa
Trichiura crataegi Pale Eggar
Tricholoma colossus Giant Knight Agaricus colossus
    Armillaria colossus
    Megatricholoma colossus
Tricholoma robustum Robust Knight Agaricus robustus
    Armillaria robusta
    Tricholoma focale
Trichopteryx polycommata Barred Tooth-striped
Triops cancriformis Tadpole Shrimp Apus
    Apus cancriformis
Trisateles emortualis Olive Crescent
Triturus cristatus Great Crested Newt Crested Newt
    Warty Newt
Troglodytes troglodytes subsp. fridariensis Fair Isle Wren Troglodytes troglodytes subsp. Fridariensis
Troglodytes troglodytes subsp. hirtensis St Kilda Wren
Truncatellina cylindrica Cylindrical whorl snail Cylindrica Whorl Snail
Tulostoma melanocyclum Scaly Stalkball Scaly Stalk Puffball
Tulostoma niveum White Stalkball Stalked Puffball
    White Stalk Puffball
Turdus philomelos Song Thrush
Turdus philomelos subsp. hebridensis Hebridean Song Thrush
Turdus torquatus Ring Ouzel
Tursiops truncatus Bottle-nosed Dolphin
Tyria jacobaeae Cinnabar The Cinnabar
Tyta luctuosa Four-spotted Moth Four-spotted
Umbilicaria spodochroa a lichen Gyrophora spodochroa
Urocystis colchici Colchicum Smut Caeoma colchici
    Polycystis colchici
    Polycystis pompholygodes
    Tuburcinia colchici
    Uredo colchici
Urocystis primulicola Bird's-eye Primrose Smut Tuburcinia primulicola
Uromyces gentianae Felwort Rust Uromyces eugentianae
Usnea articulata a iichen Lichen articulatus
    Usnea articulata subsp. intestiniformis
    Usnea articulata subsp. mediterranea
    Usnea barbata var. articulata
    Usnea barbata var. intestiniformis
Usnea florida Witches' whiskers lichen Lichen floridus
Valerianella rimosa Broad-fruited Cornsalad Gwylaeth yr Oen Llyfn
    Valerianella auricula
Valvata (Tropidina) macrostoma Large-mouthed valve snail Valvata macrostoma
Vanellus vanellus Lapwing Green Plover
    Northern Lapwing
    Peewit
Veronica triphyllos Fingered Speedwell Rhwyddlwyn Byseddog
Veronica verna Spring Speedwell Rhwyddlwyn y Gwanwyn
Verrucaria xyloxena a lichen Verrucaria melanella
Vertigo (Vertigo) genesii Round-mouthed Whorl Snail Vertigo genesii
Vertigo (Vertigo) geyeri Geyer's Whorl Snail Vertigo geyeri
    Whorl Snail
Vertigo (Vertigo) modesta Cross Whorl Snail Vertigo modesta
Vertigo (Vertigo) moulinsiana Desmoulin's Whorl Snail Vertigo moulinsiana
Vertigo (Vertilla) angustior Narrow-mouthed Whorl Snail Narrow-mouther Whorl Snail
    Vertigo angustior
Victorella pavida Trembling sea mat
Viola lactea Pale Dog-violet Millyn Gwelw Grugog
    Myllynen Melynwen
    Pale Heath Violet
Viola persicifolia Fen Violet Fioled y Fignen
    Viola stagnina
Vipera berus Adder Common Viper
    Viper
Vulpicida pinastri a lichen Cetraria pinastri
    Lichen pinastri
    Platysma pinastri
Wadeana dendrographa a lichen Lithographa dendrographa
Wadeana minuta a lichen
Walckenaeria corniculans Small-horned Walckenaer Prosopotheca corniculans
    Walckenaera corniculans
Watsonalla binaria Oak Hook-tip Drepana binaria
Weissia condensa Curly Beardless-moss Hymenostomum tortile
Weissia levieri Levier's Beardless-moss Astonum levieri
Weissia multicapsularis Many-fruited Beardless-moss Astomum multicapsularis
Weissia squarrosa Spreading-leaved Beardless-moss Hymenostomum squarrosum
Weissia sterilis Sterile Beardless-moss
Woodsia ilvensis Oblong woodsia Acrostichum ilvense
    Polypodium arvonicum
    Polypodium ilvense
    Woodsia hyperborea subsp. ilvensis
    Woodsia hyperborea var. rufidula
    Woodsia raiana
Xanthia gilvago Dusky-lemon Sallow
Xanthia icteritia Sallow
Xanthorhoe decoloraria subsp. decoloraria Red Carpet Xanthorhoe munitata
    Xanthorhoe munitata subsp. hethlandica
    Xanthorhoe munitata subsp. munitata
Xanthorhoe ferrugata Dark-barred Twin-spot Carpet
Xestia agathina Heath Rustic
Xestia alpicola subsp. alpina Northern Dart
Xestia ashworthii Ashworth's Rustic
Xestia castanea Neglected Rustic
Xylena exsoleta Sword-grass
Ziphius cavirostris Cuvier's beaked whale Cuvier's Whale
Zootoca vivipara Common Lizard Lacerta vivipara
    Viviparous Lizard
Zygaena loti subsp. scotica Slender Scotch Burnet
Zygaena viciae subsp. argyllensis New Forest burnet
Zygodon forsteri Knothole Moss Knothole Yoke-moss
Zygodon gracilis Nowell's Limestone Moss Slender Yoke-moss