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Lichen synonyms M-P

M

Synonym Current Lichen Name
Macentina abscondita Coppins & Vêzda = Psoroglaena abscondita
Macentina aurantiaca P.M. McCarthy & Vêzda = Nectria pseudopeziza (Desm.) Rossman
Macentina stigonemoides Orange = Psoroglaena stigonemoides
Macrophomina pseudeverniae Etayo & Diederich = Diederichia pseudeverniae
Massalongia carnosa var. determinata (Nyl.) A.L. Sm. = Massalongia carnosa
Massalongia cheilea Mudd = Fuscopannaria leucophaea
%Megalospora pachycarpa (Delise ex Duby) H. Olivier = Megalospora tuberculosa
Melanaria lactescens (Mudd) Erichsen = Pertusaria lactescens
Melanaria urceolaria (Nyl.) Erichsen = Pertusaria lactescens
Melanelia acetabulum (Neck.) Essl. = Pleurosticta acetabulum
Melanelia glabratula (Lamy) Essl. = Melanelia fuliginosa subsp. glabratula
%Melanelixia fuliginosa (Fr. ex Duby) O. Blanco et al. = Melanelia fuliginosa
%Melanelixia fuliginosa subsp. glabratula (Lamy) J.R. Laundon = Melanelia fuliginosa subsp. glabratula
%Melanelixia subargentifera (Nyl.) O. Blanco et al. = Melanelia subargentifera
%Melanelixia subaurifera (Nyl.) O. Blanco et al. = Melanelia subaurifera
%Melanohalea elegantula (Zahlbr.) O. Blanco et al. = Melanelia elegantula
%Melanohalea exasperata (De Not.) O. Blanco et al. = Melanelia exasperata
%Melanohalea exasperatula (Nyl.) O. Blanco et al. = Melanelia exasperatula
%Melanohalea laciniatula (Flagey ex H. Olivier) O. Blanco et al. = Melanelia laciniatula
%Melanohalea septentrionalis (Lynge) O. Blanco et al. = Melanelia septentrionalis
Melanolecia jurana (Schaer.) Hertel = Farnoldia jurana
Melanospora cerebrina (DC.) Mudd = Poeltinula cerebrina
Melanotheca diffusa Leight. = Tomasellia diffusa {F}
Melanotheca gelatinosa (Chevall.) Zahlbr. = Tomasellia gelatinosa {F}
Melanotheca ischnobela Nyl. = Celothelium ischnobelum
Melaspilea constrictella Stirt. = type and only collection considered not to have originated from the British Isles
Melaspilea patersonii Stirt. = Bactrospora dryina
Melaspilea subarenacea J. Nowak & Kiszka = Melaspilea granitophila
Melaspilea vermifera Leight. = Spirographa fusisporella
Melittiosporium lichenicola (Mont.) Massee = Diploschistes muscorum
Menegazzia pertusa (Schaer.) Stein = Menegazzia terebrata
%Merismatium deminuta (Arnold) Cl. Roux & Nav.-Ros. = Polyblastia deminuta
Merismatium lopadii auct. brit. = Merismatium discrepans
Metasphaeria cetrariicola (Nyl.) Sacc. = Lichenopeltella cetrariicola
Metasphaeria stereocaulorum (Arnold) Sacc. = Cercidospora stereocaulorum
Metasphaeria tartarina (Nyl.) Keissl. = Sagediopsis campsteriana
Micarea bacidiella sensu Vêzda, non (Vain.) Vêzda = Micarea globulosella
Micarea chrysophthalma P. James = Chrysothrix chrysophthalma
Micarea clavulifera (Nyl.) Coppins & P James = Psilolechia clavulifera
Micarea confusula (Nyl.) Hedl. = Micarea subnigrata
Micarea excipulata Coppins = Micarea lynceola
Micarea gomphillacea (Nyl.) Vêzda = Micarea lignaria var. lignaria
Micarea granulans (Vain.) Timdal = Micarea submilliaria
Micarea intrusa (Th. Fr.) Coppins & H. Kilias = Carbonea intrusa
Micarea klementii Coppins ad int. = Micarea alabastrites
Micarea leprosa P. James = Vezdaea leprosa
Micarea lignaria f. gomphillacea (Nyl.) Hedl. = Micarea lignaria var. lignaria
Micarea longispora Coppins ad int. = Micarea synotheoides
Micarea melaenida (Nyl.) Coppins = incorrectly reported from the British Isles
Micarea poliodes (Nyl.) Vêzda = Micarea lutulata
Micarea prasina f. micrococca (Körb.) Hedl. = Micarea micrococca
Micarea subleprosula (Vêzda) Vêzda = Micarea submilliaria
Micarea submoestula (Nyl.) Coppins = Micarea subconfusa
Micarea subviolascens (H. Magn.) Coppins = Micarea paratropa
Micarea verrucula (Norman) Hedl. = Micarea turfosa
Micarea violacea (Crouan ex Nyl.) Hedl. = Micarea peliocarpa
Microcalicium subpedicillatum (Schaer.) Tibell = Microcalicium disseminatum
Microdiplodia ferrugineae Vouaux = Lichenodiplis lecanorae
Microdiplodia lecanorae Vouaux = Lichenodiplis lecanorae
Microglaena breadalbanensis Wheldon & A. Wilson = Protothelenella corrosa
Microglaena corrosa (Körb.) Arnold = Protothelenella corrosa
Microglaena holliana A.L. Sm. = ? Thelenella muscorum var. octospora
Microglaena isidioides (Borrer) A.L. Sm. = Thelotrema isidioides
Microglaena larbalestieri A.L. Sm. = Thelenella larbalestieri
Microglaena leucothelia (Anzi) Arnold = Protothelenella leucothelia;
but British records doubtful
Microglaena leucothelia (Nyl.) Arnold = Protothelenella leucothelia;
but British records doubtful
Microglaena modesta (Nyl.) A.L. Sm. = Thelenella modesta
Microglaena muscorum (Fr.) Th. Fr. = Thelenella muscorum
Microglaena muscorum var. octospora (Nyl.) Cretz. = Thelenella muscorum var. octospora
Microglaena nuda Wheldon & Travis = Verrucaria sp.
Microglaena sericea (A. Massal.) Lönnr. = Julella sericea
Microglaena sphinctrinoidella (Nyl.) Arnold = Protothelenella sphinctrinoidella
Microglaena sphinctrinoides (Nyl.) Lönnr. = Protothelenella sphinctrinoides
Micropeltopsis cetrariicola (Nyl.) Vain. = Lichenopeltella cetrariicola
Microphiale diluta (Pers.) Zahlbr. = Dimerella pineti
Microphiale lutea (Dicks.) Zahlbr. = Dimerella lutea
Microthelia alcicornaria Linds. = Lichenosticta alcicornaria
Microthelia baeomycearia Linds. = ? Pyrenidium actinellum
Microthelia calcaricola Mudd = Muellerella lichenicola
Microthelia dispora A.L. Sm. = Polycoccum dzieduszyckii {LF}
Microthelia dispora f. octospora Walt. Watson = Polycoccum marmoratum {LF}
Microthelia dissepta (Nyl.) A.L. Sm. = ? Weddelomyces periphericus {LF}
Microthelia exerrans (Nyl.) A.L. Sm. = Endococcus exerrans {LF}
Microthelia leightonii Zahlbr. = Rinodina bischoffiiv
Microthelia marmorata (Kremp.) Hepp = Polycoccum marmoratum {LF}
Microthelia micula auct. = Mycomicrothelia confusa {F}
Microthelia solorinaria Linds. = Rhagadostoma lichenicola {LF}
Microthelia ventosicola Mudd = Muellerella ventosicola {LF}
Miriquidica liljenstroemii (Du Rietz) R. Sant. = Miriquidica nigroleprosa var. liljenstroemii
%Miriquidica pycnocarpa (Körb.) Andreev = Lecidea pycnocarpa
Moelleropsis humida (Kullh.) Coppins = Gregorella humida
Monodictys lepraria (Berk.) M.B. Ellis = Monodictys cellulosa {LF}
Mosigia illita (Nyl.) R. Sant. = Rimularia badioatra
Mosigia intercedens (H. Magn.) R. Sant. = Rimularia intercedens
Mucor furfuraceus L. = Chaenotheca furfuracea
Muellerella atricola (Linds.) Sacc. & D. Sacc. = ? Muellerella lichenicola {LF}
Muellerella haplotella (Nyl.) Arnold = Muellerella polyspora {LF}
Muellerella opegraphicola Zopf = Muellerella polyspora {LF}
Muellerella pygmaea var. ventosicola (Mudd) Triebel = Muellerella ventosicola {LF}
Mycobacidia arenicola (Nyl.) Sacc. & D. Sacc. = Arthrorhaphis grisea {LF}
Mycobacidia flavovirescens (Dicks.) Rehm = Arthrorhaphis citrinella
Mycobilimbia accedens (Arnold) V. Wirth ex Hafellner = Bilimbia sabuletorum
Mycobilimbia ahlesii (Körb.) R. Sant., com. inval. = Lecidea ahlesii
Mycobilimbia berengeriana (A. Massal.) Hafellner & V. Wirth = Lecidea berengeriana
Mycobilimbia carneoalbida (Müll. Arg.) S. Ekman & Printzen = Biatora carneoalbida
Mycobilimbia endocarpicola (Linds.) Vouaux = ? Toninia verrucarioides
Mycobilimbia epixanthoides (Nyl.) Vitik., Ahti, Kuusinen,
Lommi & T. Ulvinen in Hafellner & Türk
= Biatora epixanthoides
Mycobilimbia fusca (A. Massal.) Hafellner & V. Wirth = Biatora tetramera
Mycobilimbia hypnorum (Lib.) Kalb & Hafellner = Lecidea hypnorum
Mycobilimbia killiasii (Hepp) Rehm = Bacidia killiasii {LF}
Mycobilimbia lobulata (Sommerf.) Hafellner = Bilimbia lobulata
Mycobilimbia lurida (Ach.) Hafellner & Türk = Psora lurida
Mycobilimbia pilularis (Körb.) Hafellner & Türk = Biatora sphaeroides
Mycobilimbia sabuletorum (Schreb.) Hafellner = Bilimbia sabuletorum
Mycobilimbia sphaeroides D.D. Awasthi = Biatora carneoalbida
Mycobilimbia tetramera (De Not.) Vitik., Ahti, Kuusinen,
Lommi & T. Ulvinen in Hafellner & Türk
= Biatora tetramera
Mycoblastus sterilis Coppins & P. James = Mycoblastus fucatus
Mycoblastus tornoensis (Nyl.) R.A. Anderson = Japewia tornoensis
Mycocalicium parietinum (Ach.) Vain. = Mycocalicium subtile {F}
Mycomelaspilea leciographoides (Vouaux) Keissl. = Melaspilea leciographoides {LF}
Mycoporellum sparsellum (Nyl.) Müll. Arg. = Mycoporum lacteum {F}
Mycoporum hippocastani (DC.) Coppins = Cyrtidula hippocastani {F}
Mycoporum misserrimum Nyl. = Cyrtidula quercus {F}
Mycoporum ptelaeodes (Ach.) Nyl. = Cyrtidula hippocastani {F}
Mycoporum quercus (A. Massal.) Müll. Arg. = Cyrtidula quercus {F}
Mycoporum quercus var. ilicis (Riedl) Coppins = name of uncertain application (type lost)
Mycopyrenula coryli (A. Massal.) Vain. = Pyrenula coryli {F}
Myxobilimbia accedens (Arnold) Hafellner = Bilimbia sabuletorum
Myxobilimbia lobulata (Sommerf.) Hafellner = Bilimbia lobulata
Myxobilimbia sabuletorum (Schreb.) Hafellner = Bilimbia sabuletorum

N

Lichen Name Synonym
%Naetrocymbe atractospora (Müll. Arg.) R.C. Harris = Arthopyrenia atractospora
%Naetrocymbe fraxini (A. Massal.) R.C. Harris = Arthopyrenia fraxini {F}
%Naetrocymbe punctiformis (Pers.) R.C. Harris = Arthopyrenia punctiformis {F}
%Naetrocymbe saxicola (A. Massal.) R.C. Harris = Arthopyrenia saxicola
Nectria epicallopisma (Arnold) Sacc. = incorrectly reported from the British Isles {LF}
Nectria hirta A. Bloxam = Trichonectria hirta {LF}
Nectria indigens (Arnold) Rehm = Nectriopsis indigens {LF}
Nectria insidiosa (Nyl.) Sacc. & D. Sacc. = Hymenobia aporea {LF}
Nectria lecanodes Ces. = Nectriopsis lecanodes {LF}
Nectria parmeliae (Berk. & M.A. Curtis) D. Hawksw. = Nectriopsis parmeliae {LF}
Nectria rubifaciens Ellis & Everh. = Nectriopsis rubifaciens {LF}
Nectriella anisospora Lowen = Pronectria anisospora {LF}
Nectriella robergei (Mont. & Desm.) Weese = Pronectria robergei {LF}
Nectriella tenacis (Vouaux) Weese = Pronectria tenacis {LF}
Nectriella tenuispora = Pronectria tenuispora {LF}
Nectriella tincta auct. brit. = Pronectria santessonii {LF}
Nectriopsis rubefaciens (Ellis & Everh.) M.S. Cole & D. Hawksw. [orth. error] = Nectriopsis rubifaciens {LF}
Nephroma lusitanicum Schaer. = Nephroma laevigatum
#Nephroma resupinatum auct. brit. 19th C p.p. = Nephroma laevigatum
Nephromium laevigatum var. parile (Ach.) Nyl. = Nephroma parile
Nephromium lusitanicum (Schaer.) Nyl. = Nephroma laevigatum
Nephromium lusitanicum var. hibernicum Nyl. ex Leight. = Nephroma laevigatum
Nephromium resupinatum (L.) Fr. = Nephroma resupinatum
Neofuscelia pulla var. delisei (Duby) R. Sant., comb. inval. = Neofuscelia delisei
Nesolechia associata (Th. Fr.) Sacc. & D. Sacc. = Geltingia associata {LF}
Nesolechia cetrariicola (Linds.) Arnold = ? Phaeopyxis punctum {LF}
Nesolechia cladoniaria (Nyl.) Arnold = ? Phaeopyxis punctum {LF}
Nesolechia insita (Stirt.) Vouaux = Steinia geophana
Nesolechia intumescens (Flot.) H. Magn. = Rimularia insularis
Nesolechia lichenicola (A.L. Sm. & Ramsb.) Keissl. = Lecidea lichenicola
Nesolechia neglecta Vain. = Rhymbocarpus neglectus {LF}
Nesolechia nitschkei Körb. = Skyttea nitschkei {LF}
Nesolechia puncta A. Massal. [orth. error] = Phaeopyxis punctum {LF}
Nesolechia punctum A. Massal. = Phaeopyxis punctum {LF}
Nesolechia vitellinaria (Nyl.) Rehm = Carbonea vitellinaria {LF}
Nesolechia vitellinaria var. supersparsa( Nyl.) Keissl. = Carbonea supersparsa {LF}
Nigromacula hypotrachynae Etayo = Nigromacula uniseptata {LF}
Normandina acroglypta (Norman) Aptroot = Lauderlindsaya acroglypta
Normandina erichsenii (Keissl.) Aptroot = Lauderlindsaya acroglypta
Normandina laetevirens (Borrer) Nyl. = Lichenomphalia hudsoniana
Normandina viridis (Ach.) Nyl. = Lichenomphalia hudsoniana

O

Lichen Name Synonym
Ocellularia subtilis auct. brit., non (Tuck.) Riddle = Thelotrema petractoides
Ocellularia subtilis (Tuck.) Riddle = Thelotrema subtile Tuck.;
incorrectly reported from the British Isles
Ochrolechia frigida f. lapuensis (Vain.) Coppins = Ochrolechia frigida
Ochrolechia geminipara (Th. Fr.) Vain. = Pertusaria geminipara
Ochrolechia pallescens auct. brit. p.p. = Ochrolechia szatalaensis
Ochrolechia pallescens auct. brit. p.p. = Ochrolechia parella
Ochrolechia parella var. turneri (Sm.) de Lesd. = Ochrolechia turneri
Ochrolechia upsaliensis (L.) A. Massal. = incorrectly reported from the British Isles
Ochrolechia yasudae auct. brit. = Ochrolechia subviridis
Omphalina alpina (Britzelm.) Bresinsky & Stangl = Lichenomphalia alpina
Omphalina cupulatoides P.D. Orton = Arrhenia peltigerina [LF]
Omphalina ericetorum (Pers.:Fr.) M. Lange ex H.E. Bigelow = Lichenomphalia umbellifera
Omphalina fulvopallens P.D. Orton = Lichenomphalia umbellifera
Omphalina hudsoniana (H.S. Jenn.) H.E. Bigelow = Lichenomphalia hudsoniana
Omphalina grisella (Weinm.) M.M. Moser = Lichenomphalia velutina
Omphalina griseopallida (Desm.) Quél. = Arrhenia griseopallida (Desm.) Watling {F}
Omphalina luteolilacina (Favre) D.M. Hend. = Lichenomphalia hudsoniana
Omphalina luteovitellina (Pilát & Nannf.) M. Lange = Lichenomphalia alpina
Omphalina pararustica Clémençon = Lichenomphalia velutina
Omphalina peltigerina (Peck) P. Collin = Arrhenia peltigerina {LF}
Omphalina pseudoandrosacea (Bull.) M.M. Moser = ? Lichenomphalia umbellifera
Omphalina umbellifera (L.:Fr.) Quél. = Lichenomphalia umbellifera
Omphalina velutina (Quél.) Quél. = Lichenomphalia velutina
Opegrapha abscondita Th. Fr. = Lecanographa abscondita
Opegrapha actophila Nyl. = Opegrapha areniseda
Opegrapha anomala Leight. = Graphina ruiziana
Opegrapha atra var. arthonioidea Leight. = Opegrapha atra
Opegrapha atra var. denigrata (Ach.) Schaer. = Opegrapha atra
Opegrapha atra var. nigrata Leight. ex Mudd = Opegrapha atra
Opegrapha atra var. parallela Leight. ex Mudd = Opegrapha atra
Opegrapha atra f. tenuior Nyl. ex Leight. = Opegrapha atra
Opegrapha atricolor Stirt. = Opegrapha ochrocheila
Opegrapha atrula Nyl. = ? Opegrapha calcarea
Opegrapha betulina Sm., non Pers. = Opegrapha herbarum
Opegrapha calcarea var. chevallieri (Leight.) H. Olivier = Opegrapha calcarea
Opegrapha chevallieri Leight. = Opegrapha calcarea
Opegrapha centrifuga A. Massal. = Opegrapha rupestris {LF}
Opegrapha cinerea Chevall. = Opegrapha vulgata
Opegrapha conferta Anzi, non auct. brit. = Opegrapha saxigena
Opegrapha conferta auct. brit. p.p. = Opegrapha calcarea
Opegrapha confluens auct. brit. = Opegrapha calcarea
Opegrapha confluens (Ach.) Stizenb., non auct. brit. = Opegrapha vulgata
Opegrapha contexta Stirt. = Opegrapha rufescens
Opegrapha crassa DC. = Enterographa crassa
%Opegrapha culmigena Lib. = Opegrapha herbarum
Opegrapha decandollei (Stizenb.) Arnold = Opegrapha calcarea
Opegrapha dendritica Ach. = Phaeographis dendritica
Opegrapha devulgata Nyl. = Opegrapha vulgata
Opegrapha diaphora (Ach.) Ach. = Opegrapha varia
Opegrapha dubia Leight. ex Arnold = Opegrapha niveoatra
Opegrapha elegans Borrer ex Sm. = Graphis elegans
Opegrapha grumulosa Dufour = Lecanographa grumulosa
Opegrapha herpetica (Ach.) Ach. = Opegrapha rufescens
Opegrapha horistica (Leight.) Stein = Opegrapha zonata
Opegrapha hutchinsiae (Leight.) Körb. = Enterographa hutchinsiae
Opegrapha hysteriiformis Nyl. = Opegrapha cesareensis
Opegrapha involuta (Wallr.) Jatta = Opegrapha viridis
Opegrapha leightonii Cromb. ex Nyl. = Opegrapha mougeotii
Opegrapha lentiginosa Lyell ex Leight. = Melaspilea lentiginosa {LF}
Opegrapha lichenoides Pers. = Opegrapha varia
Opegrapha lithyrgodes Nyl. = Opegrapha lithyrga
Opegrapha lyellii Sm. = Phaeographis lyellii
Opegrapha lyncea (Sm.) Borrer ex Hook. = Lecanographa lyncea
Opegrapha microscopica Sm. = Arthonia punctiformis {F}
Opegrapha monspeliensis Nyl. = Opegrapha parasitica {LF}
Opegrapha multipunctata Coppins & P. James ad int. = Opegrapha multipuncta
Opegrapha nothiza Nyl. = Lecanographa grumulosa
#Opegrapha parasitica auct. p.max.p. pre-1995
[on endolithic Verrucariaceae]
= Opegrapha rupestris {LF}
#Opegrapha parasitica auct. p.min.p.
[on Xanthoria parietina]
= Opegrapha physciaria {LF}
Opegrapha persoonii (Ach.) Chevall., nom. illeg. = Opegrapha rupestris {LF}
Opegrapha prosiliens Stirt., non Mont. & Bosch = Opegrapha herbarum
Opegrapha protuberans Zahlbr. = Opegrapha herbarum
Opegrapha pseudovaria Coppins ad int. = Opegrapha xerica
Opegrapha pulicaris auct. = Opegrapha varia
Opegrapha pulverulenta Sm., non Pers. = Graphina anguina auct. europ.
Opegrapha rimalis Ach. = Opegrapha varia
Opegrapha rubella auct. brit. p.max.p. = Opegrapha rufescens
Opegrapha rubella sensu Mudd = ? Opegrapha viridis
Opegrapha saxatilis DC., non auct. brit. = Opegrapha rupestris {LF}
Opegrapha saxatilis auct. brit. p.max.p. = Opegrapha calcarea
Opegrapha saxatilis sensu Leight., non DC. = Opegrapha mougeotii
Opegrapha saxicola auct. = Opegrapha dolomitica
Opegrapha saxicola var. decandollei Stizenb. = Opegrapha calcarea
Opegrapha saxicola var. gyrocarpa (Flot.) Stizenb. = Opegrapha gyrocarpa
Opegrapha saxicola var. persoonii auct. = Opegrapha rupestris {LF}
Opegrapha scripta (L.) Ach. = Graphis scripta
Opegrapha semicincta Zahlbr. ? = Opegrapha rupestris {LF}
Opegrapha siderella Ach. = Opegrapha rufescens
Opegrapha siderella auct. brit. p.p. = Opegrapha vulgata
Opegrapha subsiderella (Nyl.) Arnold = Opegrapha niveoatra
Opegrapha sulcata Moug. & Nestl. ex DC. = Graphis elegans
Opegrapha turneri Leight. = Opegrapha herbarum
Opegrapha varia f. pulicaris auct. = Opegrapha varia
Opegrapha varia var. pulicaris auct. = Opegrapha varia
Opegrapha venosa sensu Sm. (1812), non Pers. (1811) = Enterographa elaborata
Opegrapha venosa auct. brit. p.p. = Enterographa crassa
Opegrapha viridis f. taxicola (Leight.) Cromb. = Opegrapha prosodea
Opegrapha vulgaris auct. (sphalm.) = Opegrapha vulgata
Opegrapha vulgata var. siderella auct. brit. = Opegrapha niveoatra
Opegrapha vulgata var. subsiderella Nyl. = Opegrapha niveoatra
Opegrapha xanthodes Nyl. = Opegrapha saxigena
Opegrapha “sp. A” sensu D. Hawksw. (1983) = Opegrapha brevis {LF}
Opegrapha “sp. B” sensu D. Hawksw. (1983) = Opegrapha thelotrematis {LF}
Ophiobolus peltigerae (Mont.) Sacc. = Neolamya peltigerae {LF}
Ophioparma lapponica (Räsänen) Hafellner & R.W. Rogers = British status of this species doubtful
Orbicula tartaricola (Nyl.) Cooke = Roselliniopsis tartaricola {LF}
Orphniospora atrata (Sm.) Poelt = Orphniospora moriopsis
Orphniospora atrata var. brunnea (A.L. Sm.) Poelt = Orphniospora moriopsis var. brunnea
Oxneria coppinsii (S. Kondratyuk & Kärnefelt & Søchting)
S. Kondratyuk & Kärnefelt nom. inval.
= ? Xanthoria ulophyllodes
Oxneria fulva (Hoffm.) S. Kondratyuk & Kärnefelt = Xanthoria fulva
Oxneria ulophyllodes (Räsänen) S. Kondratyuk & Kärnefelt = Xanthoria ulophyllodes

P

Lichen Name Synonym
Pachyospora verrucosa (Ach.) A. Massal. = Megaspora verrucosa
Pachyphiale cornea (Ach.) Poetsch = Pachyphiale carneola
Pachyphiale corticola Lönnr. = Pachyphiale fagicola
Pannaria carnosa (Dicks.) Leight. = Massalongia carnosa
Pannaria cheilea Nyl., nom. inval. = Fuscopannaria leucophaea
Pannaria ignobilis Anzi = Fuscopannaria ignobilis
Pannaria lanuginosa sensu Szatala, non (Ach.) Körb. = Pannaria conoplea
Pannaria leucophaea (Vahl) P.M. Jørg. = Fuscopannaria leucophaea
Pannaria mediterranea Tav. = Fuscopannaria mediterranea
Pannaria microphylla auct. = Fuscopannaria leucophaea
Pannaria microphylla var. cheilea (Mudd) A.L. Sm. = Fuscopannaria leucophaea
Pannaria muscorum (Gray) Delise ex Duby = Massalongia carnosa
Pannaria nebulosa (Hoffm.) Nyl. = Moelleropsis nebulosa
Pannaria nigra (Huds.) Nyl. = Placynthium nigrum
Pannaria nigra subsp. psotina (Nyl.) Cromb. = Placynthium nigrum
Pannaria nigra f. triseptata Nyl. = Placynthium nigrum
Pannaria nigra subsp. triseptata (Nyl.) Nyl. ex Cromb. = Placynthium nigrum
Pannaria pezizoides (Weber) Trevis. = Protopannaria pezizoides
Pannaria pityrea auct. = Pannaria conoplea
Pannaria plumbea (Lightf.) Bory = Degelia plumbea
Pannaria plumbea f. myriocarpa auct. brit. p.p. = Degelia atlantica
Pannaria plumbea f. myriocarpa auct. brit. p.p. = Degelia plumbea
Pannaria praetermissa Nyl. = Fuscopannaria praetermissa
Pannaria psotina (Nyl.) Leight. = Placynthium nigrum
Pannaria rubiginosa var. conoplea (Ach.) Körb. = Pannaria conoplea
Pannaria sampaiana Tav. = Fuscopannaria sampaiana
Pannaria saubinetii (Mont.) Nyl. = Fuscopannaria saubinetii (Mont.) P.M. Jørg.;
incorrectly reported from the British Isles
Pannaria triptophylla (Ach.) Nyl. = Parmeliella triptophylla
Pannularia carnosa (Dicks.) Cromb. = Massalongia carnosa
Pannularia microphylla auct. = Fuscopannaria leucophaea
Pannularia microphylla f. cheilea (Mudd) Nyl. ex Cromb. = Fuscopannaria leucophaea
Pannularia nigra (Huds) Stizenb. = Placynthium nigrum
Pannularia nigra subsp. psotina (Nyl.) Cromb. = Placynthium nigrum
Pannularia perfurfurea Nyl. = Placynthiella icmalea
Pannularia triptophylla (Ach.) Stizenb. = Parmeliella triptophylla
Pannularia triseptata (Nyl.) Nyl. ex Cromb. = Placynthium nigrum
Parmelia acetabulum (Neck.) Duby = Pleurosticta acetabulum
Parmelia affinis auct. brit. 19th C = Pannaria rubiginosa
Parmelia afrorevoluta Krog & Swinscow = incorrectly reported from the British Isles
Parmelia alpicola Th. Fr. = Allantoparmelia alpicola
Parmelia ambigua (Wulfen) Ach. = Parmeliopsis ambigua
Parmelia aquila (Ach.) Ach. = Anaptychia runcinata
Parmelia arnoldii Du Rietz = Parmotrema arnoldii
Parmelia aspera A. Massal. = Melanelia exasperata
Parmelia borreri Turner = Punctelia borreri
Parmelia britannica D. Hawksw. & P. James = Hypotrachyna britannica
Parmelia caperata (L.) Ach. = Flavoparmelia caperata
Parmelia carporrhizans Taylor = Parmelina quercina
Parmelia cetrarioides (Duby) Nyl. = Cetrelia olivetorum s. lat.
Parmelia cetrata auct. brit. = Parmotrema reticulatum
Parmelia claudelii (Harm.) Vain. = Parmotrema stuppeum (Taylor) Hale;
incorrectly reported from the British Isles
Parmelia clementei (Sm.) Turner = Physcia clementei
Parmelia clementiana Ach. = Physcia clementei
Parmelia columnaris Taylor = Physcia clementei
Parmelia coniocarpa Laurer = Parmotrema perlatum
Parmelia conspersa (Ehrh. ex Ach.) Ach. = Xanthoparmelia conspersa
Parmelia conspersa var. stenophylla auct. brit. = Xanthoparmelia conspersa
Parmelia corniculata (Lightf.) A.L. Sm. = Cornicularia normoerica
Parmelia corrugata (Sm.) Ach. = Pleurosticta acetabulum
Parmelia crinita = Parmotrema crinitum
Parmelia cycloselis (Ach.) Ach. = Phaeophyscia orbicularis
Parmelia delisei (Duby) Nyl. = Neofuscelia delisei
Parmelia delisei var. isidiascens (Nyl. ex Cromb.) Zahlbr. = Neofuscelia delisei
Parmelia dilatata auct. brit. = Parmotrema robustum
Parmelia disjuncta Erichsen = Melanelia disjuncta
Parmelia dissecta auct. brit. = Parmelinopsis minarum
Parmelia dubia auct. p.p. = Punctelia subrudecta
Parmelia dubia auct. p.p. = Punctelia borreri
Parmelia dubia auct. p.p. = Punctelia reddenda
Parmelia dubia auct. p.p. = Punctelia ulophylla
Parmelia elegantula (Zahlbr.) Szatala = Melanelia elegantula
Parmelia encausta (Sm.) Ach. = Brodoa intestiniformis
Parmelia endochlora Leight. = Hypotrachyna endochlora
Parmelia exasperata De Not. = Melanelia exasperata
Parmelia exasperatula Nyl. = Melanelia exasperatula
Parmelia fahluensis auct. p.p. = Melanelia commixta
Parmelia fahluensis auct. p.p. = Melanelia hepatizon
Parmelia fuliginosa (Fr. ex Duby) Nyl., non (Dicks.) Schaer. = Melanelia fuliginosa subsp. fuliginosa
Parmelia fuliginosa f. denudata Cromb. = Melanelia fuliginosa subsp. glabratula
Parmelia fuliginosa var. laetevirens (Flot. ex Körb.) Nyl. = Melanelia fuliginosa subsp. glabratula
Parmelia furfuracea (L.) Ach. = Pseudevernia furfuracea
Parmelia glabra (Schaer.) Nyl. = Melanelia glabra (Schaer.) Essl.;
incorrectly reported from the British Isles
Parmelia glabratula
subsp. fuliginosa (Fr. ex Duby) J.R. Laundon
= Melanelia fuliginosa subsp. fuliginosa
Parmelia glabratula var. fuliginosa (Fr. ex Duby) Grummann = Melanelia fuliginosa subsp. fuliginosa
Parmelia glabratula (Lamy) Nyl. subsp. glabratula = Melanelia fuliginosa subsp. glabratula
Parmelia glomellifera (Nyl.) Nyl. = Neofuscelia verruculifera
Parmelia glomulifera (Lightf.) Ach. = Lobaria amplissima
Parmelia herbacea (Huds.) Ach. = Lobaria virens
Parmelia horrescens Taylor = Parmelinopsis horrescens
Parmelia hyperopta Ach. = Parmeliopsis hyperopta
Parmelia incurva (Pers.) Fr. = Arctoparmelia incurva
Parmelia intestiniformis (Vill.) Ach. = Brodoa intestiniformis
Parmelia isidioides Borrer = Rinodina isidioides
Parmelia isidiotyla auct. brit. = Neofuscelia verruculifera
Parmelia isidiotyla Nyl., non auct. brit. = Neofuscelia loxodes
Parmelia laciniatula (H. Olivier) Zahlbr. = Melanelia laciniatula
Parmelia laevigata (Sm.) Ach. = Hypotrachyna laevigata
Parmelia lanata var. reticulata (Wulfen) Cromb. = Pseudephebe pubescens
Parmelia lanata var. subciliata Nyl. = Pseudephebe pubescens
Parmelia lanata var. parmelioides Cromb. = Pseudephebe pubescens
Parmelia loxodes Nyl. = Neofuscelia loxodes
Parmelia luteonotata J. Steiner = Neofuscelia luteonotata
Parmelia maxima Hue = Parmotrema stuppeum (Taylor) Hale;
incorrectly reported from the British Isles
Parmelia mcmillana Stirt. = Hypotrachyna endochlora
Parmelia minarum Vain. = Parmelinopsis minarum
Parmelia minuscula auct. brit., non (Nyl. ex Arnold) Nyl. = Pseudephebe pubescens
Parmelia mougeotii Schaer. ex D. Dietr. = Xanthoparmelia mougeotii
Parmelia multifida auct. = Arctoparmelia incurva
Parmelia negata Nyl. = incorrectly reported from the British Isles
Parmelia olivacea auct. brit. p.min.p. = Melanelia septentrionalis
Parmelia olivacea auct. brit. p.max.p. = Melanelia fuliginosa subsp. glabratula
Parmelia olivacea auct. brit. p.min.p. = Neofuscelia pulla s.lat.
Parmelia olivacea var. aspera (A. Massal.) ?? = Melanelia exasperata
Parmelia olivacea var. dendritica (Pers.) Leight. = Neofuscelia pulla
Parmelia olivacea var. fuliginosa Fr. ex Duby = Melanelia fuliginosa subsp. fuliginosa
Parmelia olivacea var. furfuracea sensu Mudd = Melanelia fuliginosa s. lat.
Parmelia olivacea var. prolixa Ach. = Neofuscelia pulla
Parmelia olivaria sensu Th. Fr. = Cetrelia olivetorum s. lat.
Parmelia olivetorum Nyl. = Cetrelia olivetorum
Parmelia omphalodes subsp. discordans (Nyl.) Skult = Parmelia discordans
Parmelia omphalodes var. discordans (Nyl.) H. Magn. = Parmelia discordans
Parmelia omphalodes var. panniformis Ach. = Parmelia omphalodes subsp. pinnatifida (Kurok.) Skult; ?
incorrectly reported from the British Isles
Parmelia panniformis (Nyl.) Vain. = Melanelia panniformis (Nyl.) Essl.;
incorrectly reported from the British Isles
Parmelia pastillifera (Harm.) R. Schub. & Klem. = Parmelina pastillifera
Parmelia perforata auct. brit. p.p. = Parmotrema crinitum
Parmelia perforata auct. brit. p.p. = Parmotrema reticulatum
Parmelia perlata Ach. = Parmotrema perlatum
Parmelia perlata var. ciliata sensu Cromb. (1870) = Parmotrema crinitum
Parmelia pertusa Schaer. = Menegazzia terebrata
Parmelia physodes (L.) Ach. = Hypogymnia physodes
Parmelia physodes var. labrosa Ach. = Hypogymnia physodes
Parmelia physodes var. platyphylla Ach. = Hypogymnia physodes
Parmelia physodes var. tubulosa Schaer. = Hypogymnia tubulosa
Parmelia physodes f. vittatoides Mereschk. = Hypogymnia physodes
Parmelia pityrea (Ach.) Ach. = Physconia grisea
Parmelia plumbea var. affinis (Dicks.) Taylor = Pannaria rubiginosa
Parmelia proboscidea Taylor = Parmotrema crinitum
Parmelia prolixa (Ach.) Carroll = Neofuscelia pulla
Parmelia prolixa var. isidiascens Nyl. ex Cromb. = Neofuscelia delisei
Parmelia prolixa var. isidiotyla auct. brit. = Neofuscelia verruculifera
Parmelia prolixa var. isidiotyla (Nyl.) Dalle Torre & Sarnth, non auct. brit. = Neofuscelia loxodes
Parmelia protomatrae Gyeln. = Xanthoparmelia protomatrae
Parmelia pubescens (L.) Vain. = Pseudephebe pubescens
Parmelia pubescens var. reticulata (Wulfen) A.L. Sm. = Pseudephebe pubescens
Parmelia pulla Ach. = Neofuscelia pulla
Parmelia pulverulenta auct. = Physconia distorta
Parmelia quercina (Willd.) Vain. = Parmelina quercina
Parmelia reddenda Stirt. = Punctelia reddenda
Parmelia reticulata Taylor = Parmotrema reticulatum
Parmelia revoluta Flörke = Hypotrachyna revoluta
Parmelia revoluta var. concentrica (Arnold) Cromb. = Hypotrachyna revoluta
Parmelia revoluta var. erratica (Linds.) Zahlbr. = Hypotrachyna revoluta
Parmelia revoluta var. rugosa Cromb. = Hypotrachyna taylorensis
Parmelia robusta Degel. = Parmotrema robustum
Parmelia rugosa Taylor, non Fr. = Hypotrachyna taylorensis
Parmelia saxatilis var. aizonii Delise ex Duby = Parmelia saxatilis
Parmelia saxatilis var. furfuracea (Schaer.) Linds. = Parmelia saxatilis
Parmelia saxatilis var. leucochroa Wallr. = Parmelia sulcata
Parmelia saxatilis var. panniformis auct. brit. = Parmelia saxatilis
Parmelia saxicola var. areolata Leight. nom. inval. = Lecanora muralis
Parmelia scortea (Ach.) Ach. = Parmelina tiliacea
Parmelia septentrionalis (Lynge) Ahti = Melanelia septentrionalis
Parmelia sinuosa (Sm.) Ach. = Hypotrachyna sinuosa
Parmelia sinuosa var. excentrica Mudd = Hypotrachyna revoluta
Parmelia soredians Nyl. = Flavoparmelia soredians
Parmelia sorediata auct. brit. = Melanelia disjuncta
Parmelia sorediosa auct. brit. = Melanelia disjuncta
Parmelia speciosa auct. brit. = Heterodermia japonica
Parmelia stellaris (L.) Ach. = Physcia stellaris
Parmelia stellaris auct. brit. p.p. = Physcia aipolia
Parmelia stenophylla auct. brit., non (Ach.) Heugel = Xanthoparmelia conspersa
Parmelia stuppea Taylor = Parmotrema stuppeum (Taylor) Hale;
incorrectly reported from the British Isles
Parmelia stygia (L.) Ach. = Melanelia stygia
Parmelia subargentifera Nyl. = Melanelia subargentifera
Parmelia subarnoldii auct. brit., non Abbayes = Parmotrema arnoldii
Parmelia subaurifera Nyl. = Melanelia subaurifera
Parmelia subrudecta Nyl. = Punctelia subrudecta
#Parmelia subrudecta auct. brit. p.p. pre-2000 = Punctelia ulophylla
Parmelia substygia auct. brit. = Melanelia disjuncta
Parmelia taractica auct. sed non auct. brit. = Xanthoparmelia somloensis (Gyeln.) Hale;
incorrectly reported from the British Isles
Parmelia taractica auct. brit. = Xanthoparmelia conspersa
Parmelia taractica Kremp. = Xanthoparmelia taractica (Kremp.) Hale;
incorrectly reported from the British Isles
Parmelia taylorensis M.E. Mitch. = Hypotrachyna taylorensis
Parmelia tiliacea (Hoffm.) Ach. = Parmelina tiliacea
#Parmelia tiliacea auct. p.p. = Parmelina quercina
Parmelia tiliacea var. carporrhizans (Taylor) Flagey = Parmelina quercina
Parmelia tiliacea subsp. carporrhizans (Taylor) Nyl. = Parmelina quercina
Parmelia tiliacea var. pastillifera (Harm.) Grummann = Parmelina pastillifera
Parmelia tiliacea var. scortea (Ach.) Mérat = Parmelina tiliacea
Parmelia tinctina Maheu & A. Gillet = Xanthoparmelia tinctina
Parmelia tubulosa (Schaer.) Bitter = Hypogymnia tubulosa
Parmelia ulophylla (Ach.) F. Wilson = Punctelia ulophylla
Parmelia verruculifera Nyl. = Neofuscelia verruculifera
Parmelia virella (Ach.) Ach. = Phaeophyscia orbicularis
Parmelia vitatta auct. brit. pre-1998 = Hypogymnia physodes
Parmelia vitatta (Ach.) Nyl., non auct. brit. pre-1998 = Hypogymnia vittata
Parmelia xanthomyela Nyl. = Parmelia endochlora
Parmeliella atlantica Degel. = Degelia atlantica
Parmeliella corallinoides auct. = Parmeliella triptophylla
Parmeliella jamesii Ahlner & P.M. Jørg. = Parmeliella parvula
Parmeliella lepidiota (Sommerf.) Vain. = Fuscopannaria praetermissa
Parmeliella melantera (Stirt.) A.L. Sm. = Placynthium pluriseptatum
Parmeliella microphylla (Sw. ex Westr.) Müll. Arg. = Fuscopannaria leucophaea
Parmeliella microphylla var. cheilea (Mudd) A.L. Sm. = Fuscopannaria leucophaea
Parmeliella perfurfuracea (Nyl.) Zahlbr. = Placynthiella icmalea
Parmeliella plumbea (Lightf.) Vain. = Degelia plumbea
Parmeliella plumbea var. myriocarpa auct. brit. p.p. = Degelia atlantica
Parmeliella plumbea var. myriocarpa auct. brit. p.p. = Degelia plumbea
Parmeliella praetermissa (Nyl.) P. James = Fuscopannaria praetermissa
Parmeliella saubinetii (Mont.) Zahlbr. = Fuscopannaria saubinetii (Mont.) P.M. Jørg.;
incorrectly reported from the British Isles
Parmeliopsis aleurites (Ach.) Nyl. = Imshaugia aleurites
Parmelinopsis britannica (D. Hawksw. & P. James) Elix = Hypotrachyna britannica
Parmentaria chilensis auct. europ. = Pyrenula hibernica
Parmotrema chinense auct. = Parmotrema perlatum
Peltidea aphthosa auct. brit. p.p. = Peltigera britannica
Peltidea aphthosa auct. brit. p.p. = Peltigera leucophlebia
Peltidea aphthosa (L.) Ach. = Peltigera aphthosa (L.) Willd.;
incorrectly reported from the British Isles.
Peltidea aphthosa var. leucophlebia Nyl. = Peltigera leucophlebia
Peltidea canina (L.) Ach. = Peltigera canina
Peltidea canina auct. p.p. = Peltigera membranacea
Peltidea polydactyla auct. p.max.p. = Peltigera hymenina
Peltidea spuria (Ach.) Ach. = Peltigera didactyla
Peltidea venosa (L.) Ach. = Peltigera venosa
Peltigera aphthosa (L.) Willd. = incorrectly reported from the British Isles.
Peltigera aphthosa auct. brit. p.p. = Peltigera britannica
Peltigera aphthosa auct. brit. p.p. = Peltigera leucophlebia
Peltigera apthosa f. britannica (Gyeln.) Zahlbr. = Peltigera britannica
Peltigera aphthosa var. leucophlebia Nyl. = Peltigera leucophlebia
Peltigera aphthosa var. variolosa (A. Massal.) J.W. Thomson = Peltigera leucophlebia
#Peltigera canina auct. brit. p.max.p. pre-1982 = Peltigera membranacea
Peltigera canina var. erumpens (Taylor) Hue = Peltigera didactyla
Peltigera canina var. pusilla Fr. = Peltigera didactyla
Peltigera canina var. rufescens (Weiss) Hook. = Peltigera rufescens
Peltigera lactucifolia auct., non (With.) J.R. Laundon = Peltigera hymenina
#Peltigera polydactyla (Neck.) Hoffm. [orth. var.] = Peltigera polydactylon
#Peltigera polydactyla auct. brit. p.p. pre-1982 = Peltigera hymenina
#Peltigera polydactyla auct. brit. p.p. pre-1982 = Peltigera neckeri
Peltigera polydactyla var. crassoides Gyeln. = Peltigera hymenina
Peltigera polydactyloides auct. = Peltigera neckeri
Peltigera rufescens var. lepidophora auct. brit. pre-1965 = Peltigera praetextata
Peltigera rufescens var. praetextata (Flörke ex Sommerf.) Nyl. = Peltigera praetextata
Peltigera scutata auct. = Peltigera collina
Peltigera spuria (Ach.) DC. = Peltigera didactyla
Peltigera variolosa (A. Massal.) Gyeln. = Peltigera leucophlebia
Peltigera variolosa f. britannica Gyeln. = Peltigera britannica
Pertusaria alpina Hepp ex Ahles = ? Pertusaria leioplaca
Pertusaria amara var. flotowiana (Flörke) Erichsen = Pertusaria amara
Pertusaria amara f. isidiata Harm. = Pertusaria amara
Pertusaria areolata auct. brit. = Pertusaria corallina
Pertusaria bracyspora auct. brit., non Erichsen = Pertusaria monogona
Pertusaria brachyspora Erichsen = incorrectly reported from the British Isles
Pertusaria carneopallida (Nyl.) Anzi ex Nyl. = incorrectly reported from the British Isles
Pertusaria ceuthocarpa (Sm.) Turner & Borrer = Pertusaria pseudocorallina
Pertusaria ceuthocarpa f. microstictica sensu Cromb. = Pertusaria pseudocorallina
Pertusaria ceuthocarpa var. variolosa Mudd = Pertusaria monogona
Pertusaria ceuthocarpoides Zahlbr. = Pertusaria pseudocorallina
Pertusaria citrinescens Coppins & P. James ad int. = Coccotrema citrinescens
Pertusara coccodes var. isidiifera (Erichsen) Almb. = Pertusaria coccodes
Pertusaria colliculosa Körb. = Pertusaria pertusa
Pertusaria communis DC. = Pertusaria pertusa
Pertusaria concreta Nyl. = Pertusaria pseudocorallina
Pertusaria constricta Erichsen = incorrectly reported from the British Isles
Pertusaria crassa (DC.) Hook. = Enterographa crassa
Pertusaria dealbata auct. = Pertusaria aspergilla
Pertusaria dealbata f. corallina (L.) Cromb. = Pertusaria corallina
Pertusaria dealbescens auct. = Pertusaria aspergilla
Pertusaria discoidea (Pers.) Malme = Pertusaria albescens var. albescens
Pertusaria erumpens Erichsen = incorrectly reported from the British Isles
Pertusaria faginea auct. = Pertusaria amara
Pertusaria fallax auct. brit. p.p. = Pertusaria hymenea
Pertusaria fallax auct. brit. p.p. = Pertusaria pertusa
Pertusaria fallax var. variolosa sensu Mudd = Pertusaria flavida
Pertusaria fastigiata (Turner & Borrer) Leight. = Pertusaria polythecia
Pertusaria freyi Erichsen = Megaspora verrucosa
Pertusaria gallica de Lesd. = Pertusaria pluripuncta
Pertusaria globulifera (Turner) A. Massal. = Pertusaria albescens var. albescens
Pertusaria glomulifera Leight. = identity uncertain
Pertusaria gyrocheila Nyl. = Ochrolechia tartarea
Pertusaria havaiiensis Erichsen = incorrectly reported from the British Isles
Pertusaria henrici auct. p.p. = Pertusaria albescens var. corallina
Pertusaria hibernica Erichsen = Pertusaria hemisphaerica
Pertusaria inopinata Erichsen = incorrectly reported from the British Isles
Pertusaria inquinata (Ach.) Th. Fr. = Pertusaria chiodectonoides
Pertusaria inquinata f. nolens (Nyl.) Boistel = Pertusaria chiodectonoides
Pertusaria isidiifera Erichsen = Pertusaria coronata
Pertusaria isidioides (Borrer) Hook. = Thelotrema isidioides
Pertusaria jurana Erichsen = incorrectly reported from the British Isles
Pertusaria kasandjeffii Szatala = incorrectly reported from the British Isles
Pertusaria leioterella Erichsen = Pertusaria pertusa
Pertusaria leptospora Nitschke ex J. Lahm = Pertusaria multipuncta
#Pertusaria leucosora auct. brit. pre-1999 = Pertusaria aspergilla
Pertusaria leucostoma A. Massal. = Pertusaria leioplaca
Pertusaria lutescens (Hoffm.) Lamy (1878), non (Eschw.) Kremp. (1874) = Pertusaria flavida
Pertusaria melaleuca (Sm. & Sowerby) Duby = Pertusaria pustulata
Pertusaria microstictica sensu Erichsen = Pertusaria pseudocorallina
Pertusaria multipuncta f. constellata (Taylor) Zahlbr. = Pertusaria polythecia
Pertusaria multipuncta f. ophthalmiza sensu James (1965) = Pertusaria ophthalmiza
Pertusaria multipuncta var. ophthalmiza Nyl. = Pertusaria ophthalmiza
Pertusaria nolens Nyl. = Pertusaria chiodectonoides
Pertusaria panyrga auct. brit., non (Ach.) Massal. = Pertusaria hutchinsiae
Pertusaria pertusa var. rupestris (DC.) Dalla Torre & Sarnth. = Pertusaria pertusa
Pertusaria pertusa f. rupestre auct. brit. (sphalm.) = Pertusaria pertusa
Pertusaria pulvinata Erichsen = Pertusaria amara f. pulvinata
Pertusaria pustulata auct. brit. p.p. = Pertusaria leioplaca
Pertusaria reducta Stirt. = Phlyctis argena
Pertusaria rupicola auct. brit., non (Fr.) Harm. = Pertusaria hymenea
Pertusaria scutellata Hue = Pertusaria albescens var. albescens
Pertusaria sublactea Leight. = Pertusaria polythecia
Pertusaria spilomanthodes Nyl. ex W. Johnson = Pertusaria lactescens
Pertusaria sulphurea auct. brit. p.max.p. = Pertusaria flavicans
Pertusaria syncarpa var. corallina (L.) Mudd = Pertusaria corallina
Pertusaria trochiscea auct. brit. = Ochrolechia xanthostoma
Pertusaria urceolaria Nyl. = Pertusaria lactescens
#Pertusaria velata auct. brit. p.p. [sorediate taxon] = Pertusaria hemisphaerica
Pertusaria velata f. aspergilla sensu Cromb. = Pertusaria hemisphaerica
Pertusaria westringii (Ach.) Leight. = Pertusaria pseudocorallina
Pertusaria wulfenii DC. = Pertusaria hymenea
Pertusaria xanthostoma (Sommerf.) Fr. = Ochrolechia xanthostoma
Phacopsis oxyspora (Tul.) Triebel & Rambold = Nesolechia oxyspora {LF}
Phacotrum aeruginosum (Turner ex Sm.) Gray = Chaenotheca trichialis
Phacotrum cantherellum sensu Gray, non (Ach.) Gray = Sclerophora pallida
Phacotrum chrysocephalum (Turner ex Ach. ) Gray = Chaenotheca chrysocephala
Phacotrum claviculare sensu Gray, non (Ach.) Gray = Calicium quercinum (q.v.)
Phacotrum curtum (Turner & Borrer ex Sm.) Gray = Calicium abietinum (q.v.)
Phacotrum ferrugineum (Turner ex Sm.) Gray = Chaenotheca ferruginea
Phacotrum hispidulum (Ach.) Gray = Chaenotheca hispidula
Phacotrum hyperellum (Ach.) Gray = Calicium viride
Phacotrum microcephalum (Sm.) Gray = Sphinctrina anglica {LF}
Phacotrum sphaerocephalum sensu Gray = Calicium salicinum
Phacotrum trabinellum sensu Gray, non (Ach.) Gray = Chaenotheca chrysocephala
#Phaeographis inusta auct. brit. p.max.p. pre- c. 1978 = Phaeographis smithii
Phaeographis ramificans (Nyl.) Lettau = Graphis elegans
Phaeophyscia orbicularis var. hueana (Harm.) Clauzade & Cl. Roux = Phaeophyscia orbicularis
Phaeospora caninae (W. Phillips & Plowr.) Vouaux = Pyrenidium actinellum {LF}
Phaeospora epicallopisma (Wedd.) Arnold = Weddellomyces epicallopisma {LF}
Phaeospora hetairizans (Leight.) Arnold = Pyrenidium hetairizans {LF}
Phaeospora parasitica var. dzieduszyckii (Boberski) Kernst. = Polycoccum dzieduszyckii {LF}
Phaeospora parmeliarum (Plowr. & W. Phillips) Vouaux = Cucurbidothis pithyophila var. cembrae (Rehm) L. Holm {F}
Phaeospora peripherica (Taylor) Arnold = Weddellomyces periphericus {LF}
Phaeospora supersparsa Arnold = Lasiosphaeriopsis supersparsa {LF}
Phaeospora vesicularia (Linds.) Arnold = incorrectly reported from the British Isles
Phaeosporis phaeosperma (Arnold) Clauzade, Diederich & Cl. Roux = Verrucaria phaeosperma {?LF}
Pharcidia aggregata (Mudd) Vouaux = Stigmidium aggregatum {LF}
Pharcidia allogena (Nyl.) Sac. & D. Sacc. = Arthopyrenia allogena {LF}
Pharcidia consociata (Nyl.) A.L. Sm. = of uncertain application {?LF}
Pharcidia crombei (Mudd) Sacc. & D. Sacc. = Thamnogalla crombei {LF}
Pharcidia dispersa (J. Lahm ex Körb.) G. Winter = Zwackhiomyces dispersus {LF}
Pharcidia dubiella (Nyl.) A.L. Sm. = Sphaerulina dubiella {LF}
Pharcidia ephebes Henssen = Stigmidium ephebes {LF}
Pharcidia epicymatica (Wallr.) G. Winter = Stigmidium congestum {LF}
Pharcidia gyrophorarum (Arnold) Zopf = Stigmidium gyrophorarum {LF}
Pharcidia microspila (Körb.) G. Winter = Stigmidium microspilum {LF}
Pharcidia punctilla (Arnold) G. Winter = Stigmidium punctillum {LF}
Pharcidia superposita (Nyl.) Sacc. & D. Sacc. = Stigmidium superpositum {LF}
Pharcidia triphractoides (Nyl.) A.L. Sm. = ? Phaeospora parasitica {LF}
Phialopsis livida Mudd = Megalaria laureri
Phoma abietinae Vouaux = Lecanactis abietina
Phoma lecanorae Vouaux = ? Opegrapha sp.
Phoma lichenis Pass. = ? Physconia distorta
Phoma parmeliarum (H. Olivier) Vouaux = Vouauxiomyces sp. {LF}
Phoma ramalinae Nordin = Vouauxiomyces ramalinae {LF}
Phoma truncata de Lesd. = Vouauxiomyces truncatus {LF}
Phoma uncialicola (Zopf) Vouaux = Bachmanniomyces uncialicola {LF}
Phoma usneae Vouaux = Pseudoseptoria usneae {LF}
Phragmonaevia fuckelii Rehm = Corticifraga fuckelii {LF}
Phragmonaevia peltigerae (Nyl.) Rehm = Corticifraga peltigerae {LF}
Phragmothyrium cetrariicola (Nyl.) Keissl. = Lichenopeltella cetrariicola {LF}
Phyllosticta cytospora Vouaux = Phoma cytospora {LF}
Phyllosticta uncialicola Zopf = Bachmanniomyces uncialicola {LF}
Physalaspora psoromoides (Borrer) G. Winter = Catapyrenium psoromoides
Physcia adglutinata (Flörke) Nyl. = Hyperphyscia adglutinata
Physcia aipolia var. cercidia (Ach.) Nyl. = Physcia aipolia
Physcia albinea (Ach.) Nyl. = incorrectly reported from the British Isles
Physcia aquila (Ach.) Nyl. = Anaptychia runcinata
Physcia astroidea auct. = Physcia clementei
Physcia caesia f. teretiuscula (Ach.) Cromb. = Physcia dubia
Physcia caesia var. teretiuscula (Ach.) Nyl. = Physcia dubia
Physcia chrysophthalma (L.) DC. = Teloschistes chrysophthalmus
Physcia ciliaris (L.) DC. = Anaptychia ciliaris
Physcia ciliaris f. melanosticta (Ach.) H. Olivier = Anaptychia ciliaris subsp. mamillata
Physcia ciliata auct. brit. = Phaeophyscia orbicularis
Physcia elaeina auct. = Hyperphyscia adglutinata
Physcia enteroxantha Nyl. = Physconia enteroxantha
Physcia erosa Zwackh = Physcia tribacia
Physcia farrea auct. = Physconia perisidiosa
Physcia fusca (Huds.) A.L. Sm. = Anaptychia runcinata
Physcia grisea (Lam.) Zahlbr. = Physconia grisea
Physcia grisea auct. p.p. = Physconia enteroxantha
Physcia grisea auct. p.p. = Physconia perisidiosa
Physcia grisea f. enteroxanthella (Harm.) Erichsen = Physconia enteroxantha
Physcia grisea var. hillmannii (Lynge) Nádv. = Physconia grisea
Physcia grisea f. hillmannii Lynge = Physconia grisea
Physcia hispida auct. brit. p.p. = Physcia adscendens
Physcia hispida auct. brit. p.p. = Physcia tenella
Physcia hispida auct. brit. p.p. = Physcia leptalea
Physcia hispida f. subobscura (Nyl.) A.L. Sm. = Physcia tenella
Physcia intricata (Desf.) Schaer. = Tornabea scutellifera
Physcia labrata auct. brit. = Phaeophyscia orbicularis
Physcia leucomela (L.) Mich. = Heterodermia leucomela
Physcia lithotea auct. brit. = Phaeophyscia orbicularis
Physcia lychnea auct. brit. = Xanthoria candelaria s. lat.
Physcia melops Nyl. = Physcia phaea (Tuck.) J.W. Thomson;
incorrectly reported from the British Isles
Physcia muscigena (Ach.) Nyl. = Physconia muscigena (Ach.) Poelt;
incorrectly reported from the British Isles
Physcia nigricans (Flörke) Stizenb. = Phaeophyscia nigricans
Physcia obscura (Ehrh. ex Humb.) Fürnr. = Phaeophyscia orbicularis
Physcia obscura var. virella (Ach.) Leight. = Phaeophyscia orbicularis
Physcia orbicularis (Neck.) Poetsch = Phaeophyscia orbicularis
Physcia orbicularis var. ciliata auct. brit. = Phaeophyscia orbicularis
Physcia orbicularis var. virella (Ach.) Dalla Torre & Sarnth. = Phaeophyscia orbicularis
Physcia parietina (L.) De Not. = Xanthoria parietina
Physcia parietina var. aureola f. congranulata Cromb. = Xanthoria calcicola
Physcia parietina var. aureola auct. = Xanthoria calcicola
Physcia parietina var. ectanea auct. brit. p.max.p. = Xanthoria aureola
Physcia parietina f. lobulata auct. brit. = Xanthoria polycarpa
Physcia parietina var. lychnea auct. brit. = Xanthoria candelaria s. lat.
Physcia parietina var. polycarpa (Hoffm.) Mudd = Xanthoria polycarpa
Physcia phaea auct. brit. = Physcia aipolia
Physcia polycarpa (Hoffm.) Nyl. = Xanthoria polycarpa
Physcia polycarpa f. lobulata auct. brit. = Xanthoria polycarpa
Physcia pulverulenta auct. = Physconia distorta
Physcia pulverulenta var. angustata (Hoffm.) Schaer. = Physconia distorta
Physcia pulverulenta var. muscigena (Ach.) Nyl. = Physconia muscigena (Ach.) Poelt;
incorrectly reported from the British Isles
Physcia pulverulenta f. venusta auct. brit., non (Ach.) Leight. = Physconia distorta
Physcia pulverulenta var. venusta auct. brit., non (Ach.) Nyl. = Physconia distorta
Physcia pulverulenta subsp. venusta auct. brit., non (Ach.) Nyl. = Physconia distorta
Physcia sciastra (Ach.) Du Rietz = Phaeophyscia sciastra
Physcia sciastrella (Nyl.) Harm. = Phaeophyscia nigricans
Physcia semipinnata (J.F. Gmel.) Moberg = Physcia leptalea
#Physcia speciosa auct. brit. p.max.p. = Heterodermia japonica
Physcia speciosa var. hypoleuca auct. brit. = Heterodermia japonica
Physcia stellaris var. aipolia (Ehrh. ex Humb.) Nyl. = Physcia aipolia
Physcia stellaris var. cercidia (Ach.) Th. Fr. = Physcia aipolia
Physcia subalbinea Nyl. = Physcia caesia
Physcia subdetersa Nyl. = Physconia enteroxantha
Physcia subobscura (Nyl.) Nyl. = Physcia tenella
Physcia tenella subsp. marina = Physcia tenella
Physcia teretiuscula (Ach.) Lynge = Physcia dubia
Physcia tremulicola Nyl. = Phaeophyscia nigricans
Physcia ulothrix auct. brit. = Phaeophyscia orbicularis
Physcia ulothrix var. virella (Ach.) Cromb. = Phaeophyscia orbicularis
Physcia virella (Ach.) Flagey = Phaeophyscia orbicularis
Physcia wainioi Räsänen = Physcia caesia
Physciopsis adglutinata (Flörke) M. Choisy = Hyperphyscia adglutinata
Physconia farrea auct. = Physconia perisidiosa
Physconia pulverulacea Moberg = Physconia distorta
Physconia pulverulenta auct. = Physconia distorta
Physma chalazanellum (Nyl.) A.L. Sm. = ? Lempholemma polyanthes
Physma chalazonodes (Nyl.) Arnold = ? Lempholemma polyanthes
Physma confertum (Ach.) Nyl. = Collema tenax
Physma polyanthes (Bernh.) Arnold = Lempholemma polyanthes
Phytoconis ericetorum (Pers.:Fr.) Redhead & Kuyper = Lichenomphalia umbellifera
Phytoconis velutina (Quél.) Redhead & Kuyper = Lichenomphalia velutina
Phytoconis viridis (Ach.) Redhead & Kuyper = Lichenomphalia hudsoniana
%Piccolia ochrophora (Nyl.) Hafellner = Strangospora ochrophora
Pilophorus cereolus auct. brit. = Pilophorus strumaticus
Pilophorus distans (Hult.) H. Magn. = Pilophorus strumaticus
Placidiopsis cartilaginea (Nyl.) Vain. = Placidiopsis custnani
Placidiopsis custanii (A. Massal.) Körb. [orth. error] = Placidiopsis custnani
Placidiopsis custnanii (A. Massal.) Körb. [orth. error] = Placidiopsis custnani
%Placidium boccanum (Servít) Breuss = Catapyrenium boccanum
Placidium cartilagineum (Nyl.) Arnold = Placidiopsis custnani
Placidium custnani A. Massal. = Placidiopsis custnani
%Placidium lachneum (Ach.) de Lesd. = Catapyrenium lachneum
%Placidium michelii A. Massal. = Catapyrenium michelii
%Placidium pilosellum (Breuss) Breuss = Catapyrenium pilosellum
%Placidium rufescens (Ach.) A. Massal. = Catapyrenium rufescens
%Placidium squamulosum (Ach.) Breuss = Catapyrenium squamulosum
Placodium albolutescens (Nyl.) A.L. Sm. = Caloplaca teicholyta
Placodium atroflavum (Turner) A.L. Sm. = Caloplaca atroflava
Placodium aurantiacum auct. p.p. = Caloplaca flavorubescens
Placodium aurantiacum auct. p.p. = Caloplaca flavovirescens
Placodium aurantiacum var. flavovirescens (Wulfen) Hepp = Caloplaca flavovirescens
Placodium aurantiacum var. inalpinum (Ach.) H. Magn. = Caloplaca flavovirescens
Placodium aurantiacum subsp. irrubescens (Nyl.) A.L. Sm. = Caloplaca irrubescens
Placodium caesiorufum auct. = Caloplaca ceracea
Placodium callopismum (Ach.) Mérat = Caloplaca aurantia
Placodium callopismum var. brevilobatum (Nyl.) A.L. Sm. = Caloplaca flavescens
Placodium callopismum var. plicatum (Wedd.) Leight. = Caloplaca flavescens
Placodium callopismum f. thallincolum (Wedd.) Walt. Watson = Caloplaca thallincola
Placodium cerinum (Hedw.) Nägeli ex Hepp = Caloplaca cerina
Placodium cerinum var. chlorina (Flot.) Körb. = Caloplaca chlorina
Placodium cerinum f. cyanopolium (Nyl.) A.L. Sm. = Caloplaca chlorina
Placodium cerinum var. stillicidiorum (Vahl) Hepp = Caloplaca cerina var. chloroluca
Placodium cerinellum (Nyl.) Vain. = Caloplaca cerinella
Placodium chalybaeum (Fr.) Nägeli ex Hepp = Caloplaca chalybaea
Placodium cirrochroum (Ach.) Rabenh. = Caloplaca cirrochroa
Placodium cirrochroum var. obliterans (Nyl.) A.L. Sm. = Caloplaca obliterans
Placodium citrinum (Hoffm.) Th. Fr. = Caloplaca citrina
Placodium concilians (Nyl.) A.L. Sm. = Caloplaca concilians
Placodium crenulatellum (Nyl.) A.L. Sm. = Caloplaca crenulatella
Placodium daedaleum (Sm.) Hook. = Pyxine sorediata (Ach.) Mont.;
incorrectly reported from the British Isles
Placodium decipiens (Arnold) Leight. = Caloplaca decipiens
Placodium dissidens Nyl. = Xanthoria elegans
Placodium elegans (Link) DC. = Xanthoria elegans
Placodium erythrocarpum auct. brit. = Caloplaca teicholyta
Placodium ferrugineum (Huds.) Hepp = Caloplaca ferruginea
Placodium ferrugineum auct. p.p. (saxicolous) = Caloplaca crenularia
Placodium ferrugineum var. festivum (Ach.) A.L. Sm. = Caloplaca crenularia
Placodium ferrugineum f. ferruginascens (Nyl.) A.L. Sm. = Caloplaca arenaria
Placodium flavescens (Huds.) A.L. Sm. = Caloplaca flavescens
Placodium fulgens (Sw.) DC. = Fulgensia fulgens
Placodium fuscoatrum (Nyl.) A.L. Sm. = Caloplaca aractina
Placodium granulosum (Müll. Arg.) Hepp = Caloplaca granulosa
Placodium granulosum auct. p.p. = Caloplaca verruculifera
Placodium haematites (Chaub. ex St.-Amans) A.L. Sm. = Caloplaca haematites
Placodium incrustans (DC.) A.L. Sm. = Protoblastenia incrustans
Placodium lallavei auct. brit., non (Clemente ex Ach.) Anzi = Caloplaca teicholyta
Placodium lobulatum Flagey = Caloplaca marina
Placodium luteoalbum (Turner) Nägeli ex Hepp = Caloplaca luteoalba
Placodium medians Nyl. = Candelariella medians
Placodium microphyllum sensu Hook. = Parmeliella triptophylla
Placodium microthallinum (Wedd.) H. Olivier = Caloplaca microthallina
Placodium miniatulum (Nyl.) H. Olivier = Caloplaca arnoldii
Placodium murorum (Ach.) DC. = Caloplaca saxicola
Placodium murorum f. arnoldii (Wedd.) A.L. Sm. = Caloplaca arnoldii
Placodium nivale (Körb.) Tuck. = Caloplaca nivalis
Placodium ochraceum (Schaer.) Anzi = Caloplaca ochracea
Placodium phaeocarpellum (Nyl.) A.L. Sm. = Caloplaca pollinii
Placodium phloginum (Ach.) A.L. Sm. = Caloplaca phlogina
Placodium plumbeum (Lightf.) Hook. = Degelia plumbea
Placodium pollinii (A. Massal.) A.L. Sm. = Caloplaca pollinii
Placodium pusillum (A. Massal.) Anzi = Caloplaca saxicola
Placodium pyraceum (Ach.) Anzi = Caloplaca holocarpa
Placodium pyraceum var. holocarpum (Hoffm.) Anzi = Caloplaca holocarpa
Placodium pyraceum var. lacteum (A. Massal.) A.L. Sm. = Caloplaca lactea
Placodium pyraceum var. pyrithromum (Ach.) A.L. Sm. = Caloplaca holocarpa
Placodium refellens (Nyl.) A.L. Sm. = Caloplaca obscurella
Placodium rupestre (Scop.) Branth & Rostr. = Protoblastenia rupestris
Placodium rupestre var. calvum (Dicks.) A.L. Sm. = Protoblastenia calva
Placodium rupestre f. incrustans (DC.) A.L. Sm. = Protoblastenia incrustans
Placodium scopulare (Nyl.) H. Olivier = Caloplaca scopularis
Placodium tetrastichum (Nyl.) H. Olivier = Caloplaca ochracea
Placodium turnerianum (Ach.) A.L. Sm. = Caloplaca atroflava
Placodium variabile (Pers.) Hepp = Caloplaca variabilis
lacodium variabile var. ecrustaceum (Nyl.) Nyl. = Caloplaca alociza
Placodium vitellinulum auct. brit. = several Caloplaca spp. with a yellow thallus
Placodium xantholytum (Nyl.) Nyl. = Leproplaca xantholyta
#Placopsis gelida auct. brit. p.max.p. = Placopsis lambii
Placynthium delicatulum (Th. Fr.) A.L. Sm. = Arctomia delicatula
Placynthium delicatulum sensu A.L. Sm. p.p. = Placynthium pluriseptatum
Placynthium dolichoterum auct. brit. = Placynthium pluriseptatum
Placynthium filiforme (Garov.) M. Choisy = incorrectly reported from the British Isles
Placynthium garovaglii (A. Massal.) Malme [orth. error] = Placynthium garovaglioi
#Placynthium garovaglii auct. p.p. = Collolechia caesia
Placynthium majus Harm. = incorrectly reported from the British Isles
Placynthium nigrum f. agglomeratum Walt. Watson = Placynthium nigrum
Placynthium nigrum f. caespiticium Wedd. = Placynthium nigrum
Placynthium nigrum f. corallinodes (Hepp) Vain. = Placynthium nigrum
Placynthium nigrum f. crustaceum Hepp = Placynthium nigrum
Placynthium nigrum f. psotinum (Nyl.) Hue = Placynthium nigrum
Placynthium nigrum f. triseptatum (Nyl.) Hue = Placynthium nigrum
Platygramma dendritica (Ach.) G. Mey. = Phaeographis dendritica
Platygramma elaborata Leight. = Enterographa elaborata
Platygramma hutchinsiae Leight. = Enterographa hutchinsiae
Platygrapha periclea auct. brit. = ? Schismatomma graphidioides
Platygrapha rimata auct. brit. = Schismatomma graphidioides
Platysma chlorophyllum (Willd.) Vain. = Tuckermanopsis chlorophylla
Platysma diffusum auct. = Imshaugia aleurites
Platysma fahluensis auct. p.p. = Melanelia commixta
Platysma fahluensis auct. p.p. = Melanelia hepatizon
Platysma glaucum (L.) Frege = Platismatia glauca
Platysma hepatizon (Ach.) Vain. = Melanelia hepatizon
Platysma juniperinum (L.) Frege = Vulpicida juniperinus
Platysma lacunosum auct. brit. = Platismatia norvegica
Platysma norvegicum (Lynge) Dahl = Platismatia norvegica
Platysma pinastri (Scop.) Frege = Vulpicida pinastri
Platysma polyschizum Nyl. = Melanelia hepatizon
Platysma sepincolum (Ehrh.) Hoffm. = Cetraria sepincola
Platysma triste (Weber) Nyl. = Cornicularia normoerica
Plectocarpon sampaianae Diederich & Etayo = Arthonia sampaianae {LF}
Pleospilis ascaridiella (Nyl.) D. Hawksw. = Spirographa fusisporella {LF}
Pleospora addubitans (Stirt.) A.L. Sm. = of uncertain application {?F}
Pleospora hookeri (Borrer) Keissl. = Dacampia hookeri
Pleospora peripherica (Taylor) D. Hawksw. = Weddellomyces periphericus {LF}
Polyblastia addubitans (Stirt.) Wheldon & A. Wilson = of uncertain application {?F}
Polyblastia allobata (Stizenb.) Zschacke = Agonimia allobata
Polyblastia armericola Walt. Watson = Lauderlindsaya borreri {LF}
Polyblastia bryophila auct. brit., non Lönnr. = Polyblastia cupularis
Polyblastia discrepans J. Lahm = Merismatium discrepans (J. Lahm) Triebel {LF}
Polyblastia fuscoargillacea Anzi = Polyblastia cupularis
Polyblastia gelatinosa (Ach.) Th. Fr. = Agonimia gelatinosa
#Polyblastia gelatinosa auct. p.p. [most lowland records] = Agonimia globulifera
Polyblastia henscheliana (Körb.) Lönnr. = Polyblastia cruenta
Polyblastia hibernica (Nyl.) Arnold = Pyrenula hibernica
Polyblastia intercedens (Nyl.) Lönnr. = Polyblastia cupularisv
Polyblastia mortensis Walt. Watson = ? Thelidium pyrenophorum
Polyblastia nigrata (Nyl.) Lönnr. = Agonimia gelatinosa
Polyblastia nigritella (Nyl.) Arnold = Merismatium nigritellum (Nyl.) Vouaux {LF}
Polyblastia peltophora (Stirt.) A.L. Sm. = identity uncertain, type not traced
Polyblastia schraderi (Gray) A.L. Sm = Polyblastia dermatodes
Polyblastia scotinospora (Nyl.) Hellb. = Polyblastia melaspora
Polyblastia singularis (Kremp.) Arnold = incorrectly reported from the British Isles
Polyblastia spurcella (Nyl. ex Shackleton & Hebden) A.L. Sm. = Staurothele hymenogonia
Polyblastia subinumbrata (Nyl.) A.L. Sm. = Polyblastia melaspora
Polyblastia subviridicans (Nyl.) A.L. Sm. = Polyblastia terrestris
Polyblastia succedens Rehm ex Arnold = Staurothele succedens
Polyblastia tristicula (Nyl.) Arnold = Agonimia tristicula
Polyblastiopsis sericea (A. Massal.) Zahlbr. = Julella sericea {F}
Polychidium muscorum auct. brit. (sphalm.) = Polychidium muscicola
Polychidium spongiosum (Ach.) Gray = Solorina spongiosa
Polychidium umhausense (Auersw.) Henssen = Lobaria amplissima (blue-green phycotype)
Polychidium velutinum (Ach.) Gray = Thermutis velutina
Polycoccum dannenbergii auct. brit. p.p. = ? Peridothelia fuliguncta (Norman) D. Hawksw. {F}
Polycoccum dannenbergii auct. brit. p.p. = ? Roselliniella atlantica {LF}
Polycoccum epicrassum (H. Olivier) R. Sant. = Clypeococcum epicrassum {LF}
Polycoccum galligenum V?zda = Polycoccum pulvinatum {LF}
Polycoccum gelidaria (Mudd) D. Hawksw. = Roselliniopsis gelidaria {LF}
Polycoccum microsticticum (Mudd) Arnold [orth. error] = Polycoccum microstictum {LF}
Polycoccum vermicularium (Linds.) D. Hawksw. = incorrectly reported from the British Isles {LF}
Polysporina cyclospora auct. brit. (sphalm.) = Polysporina cyclocarpa
Polysporina dubia (H. Magn.) V?zda = Polysporina lapponica
Porina affinis auct. brit. p.p. = Porina aenea
Porina affinis auct. brit. p.p. = Strigula jamesii
Porina affinis (A. Massal.) Zahlbr. = Strigula affinis (A. Massal.) R.C. Harris;
incorrectly reported from the British Isles
#Porina atlantica auct. brit. p.p., non (Erichsen) P.M. Jørg. = Porina effilata
Porina borreri var. leptospora (Nyl.) D.L. Hawksw. = Porina leptospora
Porina carpinea (Pers. ex Ach.) Zahlbr. = Porina aenea
Porina chlorotica var. carpinea (Pers. ex Ach.) Keissl. = Porina aenea
Porina chlorotica var. linearis (Leight.) A.L. Sm. = Porina linearis
Porina chlorotica var. persicina (Körb.) Zahlbr. = Porina linearis
Porina epigaeoides (Nyl.) A.L. Sm. = Porina mammillosa
Porina faginea (Schaer.) Arnold = Strigula stigmatella
Porina furvescens (Nyl.) A.L. Sm. = Porina mammillosa
Porina globosa (Taylor) A.L. Sm. = Porina ahlesiana
Porina guaranitica auct. europ. p.p., non Malme = Porina atlantica
Porina guaranitica auct. europ. p.p., non malme = Porina effilata
Porina guentheri var. curnowii (A.L. Sm.) Swinscow = Porina curnowii
Porina guentheri var. grandis (Körb.) Swinscow = Porina grandis
Porina heterospora auct. europ. p.p., non (Fink) R.C. Harris = Porina atlantica
Porina heterospora auct. europ. p.p., non (Fink) R.C. Harris = Porina effilata
Porina humicolor (Nyl.) A.L. Sm. = Porina mammillosa
Porina insiliens (Larbal.) A.L. Sm. = Porina ahlesiana
Porina insularis (Larbal. ex Nyl.) A.L. Sm. = Porina ahlesiana
Porina interseptula (Nyl.) A.L. Sm. = Porina interjungens
Porina isidiata Kalb & Hafellner = Porina atlantica
Porina lucens (Taylor) A.L. Sm. = Porina guentheri var. lucens
Porina nucula auct. europ. p.p., non Ach. = Porina atlantica
Porina nucula auct. europ. p.p., non Ach. = Porina effilata
Porina olivacea auct. = Porina borreri
Porina olivacea var. leptospora (Nyl.) Keissl. = Porina leptospora
Porina rhodostoma auct. europ., non Müll. Arg. = Porina atlantica
Porina septemseptata (Hepp ex Zwackh) Swinscow = Porina ahlesiana
Porina succina (Leight.) A.L. Sm. = Porina ahlesiana
Porina taylorii (Carroll ex Nyl.) Swinscow = Strigula taylorii
Porina tenuifera (Nyl.) A.L. Sm. = Porina chlorotica f. tenuifera (Nyl.) Swinscow
Porocyphus areolatus (Flot.) Körb. = Porocyphus coccodes
Poroscyphus rehmicus (A. Massal.) Zahlbr. = incorrectly reported from the British Isles
Poroscyphus rehmicus auct. brit. = Pyrenopsis furfurea
Porpidia athroocarpa (Ach.) Hertel & Rambold = Immersaria athroocarpa
Porpidia confluenta Fryday ined. = Porpidia pacythallina
#Porpidia flavicunda auct. brit. p.max.p. = Porpidia flavocruenta
Porpidia flavocaerulescens (Hornem.) Hertel & Schwab [nom. rejic. prop.] = Porpidia flavicunda
Porpidia flavocaerulescens auct. [sorediate taxon] = Porpidia melinodes
Porpidia glaucophaea (Körb.) Hertel & Knoph = Porpidia rugosa
Porpidia grisea Gowan = incorrectly reported from the British Isles
Porpidia musiva (Körb.) Hertel & Knoph = Porpidia cinereoatra
Pronectria streimannii S.Y. Kondr., Coppins & D.J. Galloway = Xenonectriella streimanii {LF}
Protoblastenia cinnabarina auct. brit. = Pertusaria pupillaris and
Schismatomma quercicola
Protoblastenia cinnabarina (Sommerf.) Räsänen = Pyrrhospora cinnabarina (Sommerf.) M. Choisy;
incorrectly reported from the British Isles
Protoblastenia fuscorubens (Nyl.) J. Steiner ex Räsänen = Clauzadea monticola
Protoblastenia globulifica (Nyl.) Zahlbr. = Protoblastenia cyclospora
Protoblastenia immersa (Hoffm.) J. Steiner = Clauzadea immersa
Protoblastenia metzleri (Körb.) J. Steiner = Clauzadea metzleri
Protoblastenia monticola (Ach.) J. Steiner = Clauzadea monticola
Protoblastenia ochracea (Hepp) Zahlbr. = Clauzadea monticola
Protoblastenia quernea (Dicks.) Clauzade = Pyrrhospora quernea
Protoblastenia rupestris var. calva (Dicks.) J. Steiner = Protoblastenia calva
Protoblastenia rupestris subsp. siebenhaariana (Körb.) A.L. Sm. = Protoblastenia siebenhaariana
Protoparmelia picea auct. = Protoparmelia memnonia
%Protoparmeliopsis achariana (A.L. Sm.) Moberg & R. Sant. = Lecanora achariana
%Protoparmeliopsis muralis (Schreb.) M. Choisy = Lecanora muralis
Pseudephebe pubescens f. subciliata (Nyl.) D. Hawksw. = Pseudephebe pubescens
Pseudevernia olivetorina Zopf = Pseudevernia furfuracea var. ceratea
Pseudocyphellaria mougeotiana var. aurigera (Delise) H. Magn. = Pseudocyphellaria crocata
Pseudocyphellaria thouarsii (Delise) Degel. = Pseudocyphellaria intricata;
but many records pre-1978 are Pseudocyphellaria norvegica
Pseudocyphellaria thouarsii auct. brit. p.p. pre-1978 = Pseudocyphellaria norvegica
Pseudolecidea chalybeioides (Nyl.) Clauzade & Cl. Roux = Claurouxia chalybeioides
Pseudophyscia fusca (Huds.) Walt. Watson = Anaptychia runcinata
Pseudophyscia speciosa auct. brit. p.max.p. = Heterodermia japonica
Pseudophyscia speciosa var. hypoleuca auct. brit. = Heterodermia japonica
Pseudosagedia aenea (Wallr.) Hafellner & Kalb = Porina aenea
Pseudosagedia borreri (Trevis.) Hafellner & Kalb = Porina borreri
Pseudosagedia byssophila (Körb. ex Hepp) Hafellner & Kalb = Porina byssophila
Pseudosagedia chlorotica (Ach.) Hafellner & Kalb = Porina chlorotica
Pseudosagedia curnowii (A.L. Sm.) Hafellner & Kalb = Porina curnowii
Pseudosagedia ginzbergeri (Zahlbr.) Hafellner & Kalb = Porina ginzbergeri
Pseudosagedia grandis (Körb.) Hafellner & Kalb = Porina grandis
Pseudosagedia guentheri (Flot.) Hafellner & Kalb = Porina guentheri
Pseudosagedia interjungens (Nyl.) Hafellner & Kalb = Porina interjungens
Pseudosagedia linearis (Leight.) Hafellner & Kalb = Porina linearis
Psora acutula (Nyl.) Walt. Watson = Hypocenomyce caradocensis
Psora confertula (Stirt.) Stirt. = Miriquidica leucophaea
Psora demissa (Ruström) Stein. = Lecidoma demissum
Psora friesii (Ach.) Hellb. = Hypocenomyce friesii
Psora glaucolepidea (Nyl.) Mudd = Trapeliopsis glaucolepidea
Psora ostreata Hoffm. = Hypocenomyce scalaris
Psora petri (Tuck.) Fink = Psora lurida
Psora pissodes (Stirt.) Walt. Watson = Clauzadeana macula
Psora prostratula (Stirt.) Walt. Watson = Lecidea fuscoatra
Psora rhizobola (Nyl.) Arnold = Acarospora rhizobola
Psora scalaris (Ach. ex Lilj.) Hook. = Hypocenomyce scalaris
Psora testacea (Hoffm.) Ach. = incorrectly reported from the British Isles
Psora wallrothii Flörke = Trapeliopsis wallrothii
Psoroma muscorum Gray = Massalongia carnosa
Psoroma polycarpum (Hoffm.) Gray. = Xanthoria polycarpa
Psorotichia furfurella (Nyl.) Boistel = Porocyphus coccodes
Psorotichia lugubris auct., non (Sommerf.) Arnold = Schaereria cinereorufa
Psorotichia lugubris (Sommerf.) Arnold, non auct. brit. = Ropalospora lugubris
Pterygium centrifugum Nyl. = Placynthium filiforme (Garov.) M. Choisy;
incorrectly reported from the British Isles
Pterygium filiforme (Garov.) M. Choisy = Placynthium filiforme (Garov.) M. Choisy;
incorrectly reported from the British Isles
Pterygium kenmorense (Holl ex Nyl.) A.L. Sm = Porocyphus kenmorensis
Pterygium lismorense Nyl. = Placynthium lismorense
Pterygium pannariellum Nyl. = Placynthium pannariellum
Ptychographa flexella (Ach.) Coppins = Elixia flexella
Pycnopsammina lobariae lobariae Etayo & Diederich = Psammina lobariae {LF}
Pyreniococcus exoriens (Stirt.) Wheldon & A. Wilson = Phaeospora exoriens {LF}
Pyrenocarpon flotowianum (Hepp) Trevis. = ? Thrombium thelostomum
Pyrenocollema bryospilum (Nyl.) Coppins ex H.F. Fox = Frigidopyrenia bryospila
Pyrenocollema saxicola (A. Massal.) Coppins = Arthopyrenia saxicola
Pyrenodesmia chalybaea (Fr.) Körb. = Caloplaca chalybaea
Pyrenodesmia variabilis (Pers.) Körb. = Caloplaca variabilis
Pyrenodesmia variabilis var. ecrustacea (Nyl.) Walt. Watson = Caloplaca alociza
Pyrenopeziza lettaui Grummann = Unguiculariopsis lettaui {LF}
Pyrenopeziza thallophila (P. Karst.) Sacc. = Unguiculariopsis thallophila {LF}
Pyrenopsidium furfureum (Nyl.) Forssell = Pyrenopsis furfurea
Pyrenopsidium homoeopsis (Nyl.) Forssell = Pyrenopsis furfurea
Pyrenopsis fuscatula Nyl. = ? Pyrenopsis subareolata
Pyrenopsis granatina (Sommerf.) Nyl. = Euopsis granatina
Pyrenopsis haemalea (Sommerf.) Norrl. = Euopsis pulvinata
Pyrenopsis haematopsis [orth. error] auct. brit. non (Sommerf.) Th. Fr. = ? Pyrenopsis subareolata
Pyrenopsis haematopis auct. brit. non (Sommerf.) Th. Fr. = ? Pyrenopsis subareolata
Pyrenopsis haematopis (Sommerf.) Th. Fr., nom. illeg. = Pyrenopsis haematina P.M. Jørg. & Henssen;
incorrectly reported from the British Isles
Pyrenopsis homoeopsis Nyl. = Pyrenopsis furfurea
Pyrenopsis imbrida (Taylor) Müll. Arg. = ? a species of Porocyphus, Pterygiopsis or Pyrenopsis
Pyrenopsis multispora Coppins = Pyrenopsis grumulifera
Pyrenopsis pulvinata (Schaer.) Th. Fr. = Euopsis pulvinata
Pyrenopsis rhodosticta auct., non (Taylor) Müll. Arg. = Pyrenopsis subareolata
Pyrenopsidium granuliforme Nyl. = Cryptothele granuliformis (Nyl.) Henssen;
incorrectly reported from the British Isles
Pyrenotea aphanes (Borrer) Leight. = identity uncertain; probably an Opegrapha sp.
Pyrenotea aphanes auct. p.p. = Lecanactis subabietina
Pyrenotea aphanes auct. p.p. = Opegrapha vermicellifera
Pyrenotea hippocastani Leight. nom. nud. = Opegrapha niveoatra
Pyrenotea leucocephala (Ach.) Leight. = Lecanactis abietina
Pyrenotea lutea Leight. = Opegrapha vulgata
Pyrenotea niveoatra (Borrer) Leight. = Opegrapha niveoatra
Pyrenotea rudis (Borrer) Leight. = a non-lichenized coelomycete
Pyrenotea rudis auct. p.max.p. = Opegrapha vermicellifera
Pyrenothea = see Pyrenotea
Pyrenula harrisii Hafellner & Kalb = Pyrenula occidentalis
#Pyrenula laevigata auct. brit. p.p. pre-1980 = Pyrenula occidentalis
Pyrenula neglecta auct. = Pyrenula occidentalis
#Pyrenula nitida auct. brit. p.max.p. = Pyrenula macrosporav
#Pyrenula nitida auct. brit. p.min.p. = Pyrenula chlorospila
Pyrenula nitida var. nitidella (Flörke) Schaer. = Pyrenula nitidella
Pyrenula nitida var. nitidella auct. brit. p.max.p. = Pyrenula chlorospila
#Pyrenula nitidella auct. brit. p.max.p. = Pyrenula chlorospila
Pyrenulella endococcoidea (Nyl.) Fink = Phaeospora rimosicola {LF}