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Lichen synonyms I-L

I

Synonym Current Lichen Name
Illosporium coccineum Fr. = Phlyctis argena
Illosporium corallinum Roberge = Marchandiomyces corallinus
Illosporium roseum auct. = Marchandiomyces corallinus
Imbricaria fuliginosa (Fr. ex Duby) Arnold = Melanelia fuliginosa subsp. fuliginosa
Imbricaria fuliginosa subsp. glabratula (Lamy) Arnold = Melanelia fuliginosa subsp. glabratula
Inoderma epigaea (Pers.) Gray = Thrombium epigaeum
%Involucropyrenium waltheri (Kremp.) Breuss = Catapyrenium waltheri
Ionaspis cyanocarpa (Anzi) Jatta = Hymenelia cyanocarpa
Ionaspis epulotica (Ach.) Arnold = Hymenelia epulotica
Ionaspis heteromorpha (Kremp.) Arnold = Hymenelia heteromorpha
Ionaspis melanocarpa (Kremp.) Arnold = Hymenelia melanocarpa
Ionaspis rhodopis (Sommerf.) Blomb. & Forsell = Hymenelia rhodopis
Ionaspis rhodopsis auct. [orth. error] = Hymenelia rhodopis
Ionaspis suaveolens (Ach. ex Schaer.) Stein = Ionaspis chrysophana
Isidium coccodes (Ach.) Ach. = Pertusaria coccodes
Isidium corallinum (L.) Ach. = Pertusaria corallina
Isidium lutescens (Hoffm.) Turner & Borrer ex Hook. = Pertusaria flavida
Isidium paradoxum Turner & Borrer ex Hook. = Pertusaria ? corallina
Isidium phragmaeum (Ach.) Chev. = Pertusaria flavida
Isidium phymatodes var. phragmaeum Ach. = Pertusaria flavida

J

Lichen Name Synonym
%Jamesiella anastomosans (P. James & Vêzda) Lücking, Sérus. & Vêzda = Gyalideopsis anastomosans
%Jamesiella scotica (P. James) Lücking, Sérus. & Vêzda = Gyalideopsis scotica
Japewia carrollii (Coppins & P. James) Tønsberg = Japewiella tavaresiana
Japewiella carrollii (Coppins & P. James) Printzen = Japewiella tavaresiana

K

Lichen Name Synonym
Karschia adjuncta sensu Walt. Watson, non (Th. Fr.) Arnold = Buellia pulverea
Karschia adjuncta (Th. Fr.) Arnold = Buellia adjuncta Th. Fr.;
incorrectly reported from the British Isles
Karschia advenula (Leight.) Zopf = Rhizocarpon advenulum
Karschia athallina (Müll. Arg.) Vouaux = Dactylospora athallina
Karschia bloxamii (Berk.) Sacc. = Dactylospora bloxamii (Berk.) Hafellner
Karschia destructans Tobler = Buellia schaereri
Karschia lignyota (Fr.) Sacc. = Rhizodiscina lignyota (Fr.) Hafellner
Karschia pulverulenta (Anzi) Körb. = Buellia pulverulenta
Karschia saxatilis (Schaer.) Rehm = Dactylospora saxatilis
Karschia scabrosa (Ach.) Rehm = Epilichen scabrosus
Karschia stygia (Berk & M.A. Curtis) Massee = Dactylospora stygia (Berk. & M.A. Curtis) Hafellner {F}
Karschia talcophila (Ach. ex Flot.) Körb. = incorrectly reported from the British Isles {LF}
Karschia thalloides auct. brit. = of uncertain application
Karschia thallophila (Ohlert) Rehm = Amandinea punctata
Kiliasia episema (Nyl.) Hafellner = Toninia episema {LF}
Kiliasia scotinodes (Nyl.) Coppins = Catillaria scotinodes

L

v

Lichen Name Synonym
Laestaedia olivieri Vouaux = Telogalla olivieri {LF}
Laestaedia psoromoides (Borrer) Vouaux = Catapyrenium psoromoides
Lahmia fueistingii Körb. = ? Arthrorhaphis grisea {LF}
Lahmia plumbina (Anzi) Keissl. = Toninia plumbina {LF}
Lathagrium flaccidum (Ach.) Gray = Collema flaccidum
Lathagrium nigrescens (Huds.) Gray = Collema nigrescens
Lauderlindsaya chlorococca (Leight.) Diederich & Sérus. = Lauderlindsaya acroglypta
Lauderlindsaya erichsenii (Keissl.) Diederich & Sérus. = Lauderlindsaya acroglypta
Lecanactis abscondita (Th. Fr.) Lojka = Lecanographa abscondita
Lecanactis amylacea (Ehrh. ex Pers.) Arnold = Lecanographa amylacea
Lecanactis biformigera (Leight.) Zahlbr. = Tylothallia biformigera
Lecanactis corticola (Nyl.) Lettau = Bactrospora corticola
Lecanactis delimis (Nyl.) A.L. Sm. = Lecanographa grumulosa
Lecanactis dryina (Ach.) Vain. = Bactrospora dryina
Lecanactis dryophila Lettau = Bactrospora dryina
Lecanactis grumulosa (Dufour) Fr. = Lecanographa grumulosa
Lecanactis hemisphaerica J.R. Laundon = Lecanographa grumulosa
Lecanactis homalotropa (Nyl.) Gilenstam = Bactrospora homalotropa
Lecanactis illecebrosa (Dufour) Fr. = Lecanographa amylacea
Lecanactis lyncea (Sm.) Fr. = Lecanographa lyncea
Lecanactis mirifica (Stirt.) A.L. Sm. = Lecanographa grumulosa
Lecanactis monstrosa Bagl. = Lecanographa grumulosa
Lecanactis nothiza (Nyl.) P. James = Lecanographa grumulosa
Lecanactis plocina auct. = Cresponea premnea [on rock]
Lecanactis premnea = Cresponea premnea
Lecanactis premnea f. saxicola (Mudd) Leight. = Cresponea premnea [on rock]
Lecanactis stenhammarii (Fr. ex Stenh.) Arnold = Dirina massiliensis f. sorediata
Lecanactis umbrina Coppins & P. James = Schismatomma umbrinum
Lecania actaea (Nyl.) de Lesd. = Catillaria lenticularis
Lecania albariella (Nyl.) Müll. Arg. = Lecania turicensis
Lecania albocarnea Nyl. = Lecania hutchinsiae
Lecania alpivaga Th. Fr. = Halecania alpivaga
Lecania cœrulescens var. cœruleo-rubella Mudd = Lecania coeruleorubella
Lecania caesia (W. Johnson) A.L. Sm. = Lecania baeomma
Lecania candicans (Dicks.) Stizenb. = Solenopsora candicans
Lecania curvescens (Mudd) A.L. Sm = Bryonora curvescens
Lecania dimera (Nyl.) Th. Fr. = Lecania dubitans
Lecania erysibe auct. brit. p.p. pre-1992 = various Lecania spp., including Lecania erysibe s.str. [blastidiate],
Lecania hutchinsiae, Lecania inundata, Lecania rabenhorstii
and Lecania turicensis
Lecania erysibe var. cinereofusca Mudd = Lecanora sp., identity uncertain
Lecania erysibe var. sincerior (Nyl.) de Lesd. = Lecanora sp., identity uncertain
Lecania erysibe f. sorediata J.R. Laundon = Lecania erysibe
#Lecania fuscella auct. brit. p.max.p. = Lecania naegelii
Lecania genevensis Müll. Arg. = Lecania polycycla (Anzi) Lettau;
incorrectly reported from the British Isles
Lecania globulosa (Flörke) Van den Boom & Sérus. = Lecania hyalina
Lecania helicopis (Wahlenb.) Clauzade & Cl. Roux = Lecanora helicopis
Lecania holophaea (Mont.) A.L. Sm. = Solenopsora holophaea
Lecania holophaea var. glaucospora (Nyl.) A.L. Sm. = Solenopsora vulturiensis
Lecania leucospeirea (Nyl.) A.L. Sm. = Solenopsora vulturiensis
Lecania phaeoleucoides (Nyl.) Zahlbr. = Lecania turicensis
Lecania prosechoides (Nyl.) H. Olivier = Lecanora helicopis
Lecania prosechoidiza (Nyl.) A.L. Sm. = Lecanora helicopis
Lecania ralfsii (Salwey) A.L. Sm. = Halecania ralfsii
Lecania rupicola (Nyl.) P. James = Lecania baeomma
Lecania spodomela (Nyl.) A.L. Sm. = Halecania spodomela
Lecania spodophaeiza (Nyl.) A.L. Sm. = Lecania aipospila
Lecania syringea (Ach.) Th. Fr. = Lecania fuscella
Lecania syringea auct. brit. p.p. = Lecania naegelii
Lecania tenera (Nyl.) Clauzade & Cl. Roux = Cliostomum tenerum
Lecanographa hemisphaerica (J.R. Laundon) Egea & Torrente = Lecanographa grumulosa
Lecanora agardhianoides A. Massal. = Lecanora agardhiana
Lecanora albella var. angulosa (Schreb.) auct. = Lecanora carpinea
Lecanora albella subsp. angulosa (Schreb.) Cromb. = Lecanora carpinea
Lecanora allophana auct. brit. p.p. = Lecanora chlarotera
Lecanora allophana auct. brit. p.p. = Lecanora horiza
Lecanora alpina Sommerf. = Bellemerea alpina
Lecanora angulosa (Schreb.) Ach. = Lecanora carpinea
Lecanora argopholis auct. brit. = Lecanora frustulosa
Lecanora atra (Huds.) Ach. = Tephromela atra
Lecanora atra var. grumosa (Pers.) Ach. = Tephromela grumosa
Lecanora atriseda (Fr.) Nyl. = Protoparmelia atriseda
Lecanora austera Nyl. = Fuscidea austera
Lecanora badia (Hoffm.) Ach. = Protoparmelia badia
Lecanora barkmaneana Aptroot & Herk = Lecanora barkmaniana
Lecanora bockii auct. brit. = Rimularia badioatra
Lecanora caesiocinerea Nyl. ex Malbr. = Aspicilia caesiocinerea
Lecanora calcarea (L.) Sommerf. = Aspicilia calcarea
Lecanora calcarea var. contorta (Hoffm.) Hepp = Aspicilia contorta
Lecanora calcarea var. hoffmannii (Ach.) Sommerf. = Aspicilia contorta
Lecanora cambusiana (Walt. Watson) Cretz. = Schaereria fuscocinerea
Lecanora candelaria auct. = Candelaria concolor
Lecanora candelaria var. polycarpa (Hoffm.) Hook. = Xanthoria polycarpa
Lecanora carnosa (Dicks.) Hook. = Massalongia carnosa
Lecanora cartilaginea (With.) A.L. Sm. = Squamarina cartilaginea
Lecanora cenisia var. soredians Suza = Lecanora caesiosora
Lecanora cerina (Hedw.) Ach. = Caloplaca cerina
Lecanora chlarona auct. = Lecanora pulicaris
Lecanora chlarona f. pinastri (Schaer.) Cromb. = Lecanora pulicaris
Lecanora chlarotera f. rugosella (Zahlbr.) Poelt = Lecanora rugosella
Lecanora chlorophaeoides sensu Walt. Watson = Lecanora fugiens
Lecanora chloropolia sensu J.R. Laundon, non (Erichsen) Almb. = Pertusaria pupillaris
Lecanora chrysophana (Körb.) Nyl. ex Stizenb. = Ionaspis chrysophana
Lecanora cinerea (L.) Sommerf. = Aspicilia cinerea
Lecanora cinerea subsp. epiglypta (Norrl. ex Nyl.) Nyl. = Aspicilia epiglypta
Lecanora cinereorufescens (Ach.) Hepp = Bellemerea cinereorufescens (Ach.) Clauzade & Cl. Roux;
incorrectly reported from the British Isles
Lecanora circinata (Pers.) Ach. = Aspicilia radiosa
Lecanora circinatula Nyl. = Aspicilia radiosa
Lecanora coarctata (Sm.) Hook. = Trapelia coarctata
Lecanora coccinea auct. brit. = Haematomma ochroleucum
Lecanora coilocarpa auct. brit. p.p. = Lecanora gangaleoides
Lecanora coilocarpa auct. brit. p.p. = Tephromela atra
Lecanora coilocarpa f. pulicaris (Pers.) Cromb. = Lecanora pulicaris
Lecanora complanatoides A.L. Sm. = Schaereria fuscocinerea
Lecanora coniopta Nyl. = Rinodina luridescens
Lecanora conizaea (Ach.) Nyl. ex Cromb. = Lecanora expallens
Lecanora conizaea auct. brit. = Lecanora conizaeoides
Lecanora contorta (Hoffm.) Steiner = Aspicilia contorta
Lecanora contracta (Th. Fr.) Zahlbr. = Rimularia badioatra
Lecanora coriensis auct. brit., non (Hue) J.R. Laundon = Lecanora ecorticata
Lecanora curvescens (Mudd) Nyl. = Bryonora curvescens
Lecanora decincta Nyl. = Fuscidea intercincta
Lecanora depressa auct. brit. p.max.p. = Aspicilia laevata
Lecanora dicksonii auct. = Tremolecia atrata
Lecanora dispersa f. albescens (Hoffm.) J.R. Laundon = Lecanora albescens
Lecanora dispersa f. verrucosa (Leight.) J.R. Laundon = Lecanora albescens
Lecanora dispersa f. zosterae auct. brit. = Lecanora zosterae
Lecanora effusa (Hoffm.) Ach. = Lecanora saligna
Lecanora epulotica (Ach.) Nyl. ex Cromb. = Hymenelia epulotica
Lecanora exigua auct. brit. p.p. = Rinodina gennarii
Lecanora exigua auct. brit. p.p. = Rinodina oleae
Lecanora expallens subsp. inversa (Nyl.) Cromb. = Ochrolechia inversa
Lecanora exomila Stirt. = Lecanora crenulata
#Lecanora farinaria auct. p.p. = Lecanora conizaeoides
Lecanora farinaria var. conizaeoides (Nyl. ex Cromb.) A.L. Sm. = Lecanora conizaeoides
Lecanora flavida Th. Fr. = Eiglera flavida
Lecanora flotowiana Spreng. [orth. var.] = Lecanora flotoviana
Lecanora fugiens var. chlorophaeoides sensu A.L. Sm. = Lecanora fugiens
Lecanora fulvomellea A.L. Sm. = Ionaspis lacustris
Lecanora galactina Ach. = Lecanora albescens
Lecanora galactina subsp. dispersa (Pers.) Nyl. ex Cromb. = Lecanora dispersa
Lecanora galactina var. dispersoareolata (Schaer.) Mudd = Lecanora dispersoareolata;
incorrectly recorded from the British Isles
Lecanora galactina var. dispersoareolata sensu Mudd = Lecanora muralis
Lecanora galactina subsp. dissipata Nyl. = Lecanora dispersa
Lecanora gelida (L.) Ach. = Placopsis gelida
Lecanora geminipara Th. Fr. = Pertusaria geminipara
Lecanora gibbosa auct. p.max.p. = Aspicilia caesiocinerea
Lecanora gibbosa f. porinoidea Flot. = ? Aspicilia caesiocinerea
Lecanora gisleri Poelt & Ullrich = Lecanora gisleriana
Lecanora glabrata (Ach.) Malme = incorrectly reported from the British Isles
Lecanora glaucocarpa f. pruinosa Leight. = Sarcogyne regularis
Lecanora glaucoma (Hoffm.) Ach. = Lecanora rupicola
Lecanora grumosa (Pers.) Du Rietz = Tephromela grumosa
Lecanora hagenii auct., non (Ach.) Ach. = Lecanora umbrina
Lecanora hagenii f. zosterae (Ach.) A.L. Sm. = Lecanora zosterae
Lecanora hagenii var. zosterae (Ach.) Zahlbr. = Lecanora zosterae
Lecanora hoffmannii (Ach.) Müll. Arg. = Aspicilia contorta
Lecanora hookeri (Borrer ex Sm.) Hook. = Pannaria hookeri
Lecanora hypopta (Ach.) Vain. = Lecidea hypopta
Lecanora impudens sensu P. James (1960), non Degel. = Lecanora jamesii
Lecanora insolata H. Magn. = Aspicilia grisea
Lecanora intercedens H. Magn. = Rimularia intercedens
Lecanora intermutans Nyl. = Aspicilia intermutans
Lecanora intricata var. leptacina (Sommerf.) Stizenb. = Lecanora leptacina
Lecanora intricata var. soralifera Suza = Lecanora soralifera
Lecanora inversa Nyl. = Ochrolechia inversa
Lecanora involuta Taylor = Trapelia glebulosa
Lecanora isidioides (Borrer) Nyl. = Rinodina isidioides
Lecanora lactea f. ostreaseda (Harm.) Zahlbr. = Caloplaca lactea
Lecanora lacustris (With.) Nyl. = Ionaspis lacustris
Lecanora laevata (Ach.) Nyl. = Aspicilia laevata
Lecanora laevis Poelt = Lecanora horiza
Lecanora lentigera (Weber) Ach. = Squamarina lentigera
Lecanora leprosescens Sandst. = Aspicilia leprosescens
Lecanora leucophyma Leight. = Koerberiella wimmeriana
Lecanora lilliei (de Lesd.) A.L. Sm. = ? Aspicilia calcarea
Lecanora lindsayi (Walt. Watson) Cretz. = Lecanora rupicola
Lecanora lusca Nyl. = Aspicilia laevata
Lecanora mammillifera Stirt. = Fuscidea kochiana
Lecanora marginata auct. brit., non (Schaer.) Hertel & Rambold = Lecanora atromarginata
Lecanora melanaspis (Ach.) Ach. = Aspicilia melanaspis
Lecanora “mauroides” sensu James et al. (1977) = Clauzadeana macula
Lecanora milvina sensu Taylor (1836) = Rinodina atrocinerea
Lecanora morioides (Blomb. ex Arnold) Blomb. = Clauzadeana macula
Lecanora muralis var. albomarginata (Nyl.) Tomin = Lecanora muralis
Lecanora muralis var. diffracta (Ach.) Rabenh. = Lecanora muralis
Lecanora muralis var. versicolor (Pers.) Tuck. = Lecanora muralis
Lecanora navarrensis Etayo = Cliostomum flavidulum
Lecanora nephaea Sommerf. = Protoparmelia nephaea
Lecanora nephaea auct. brit. p.p. = Protoparmelia atriseda
Lecanora nitens auct., non Ach. = Protoparmelia montagnei
Lecanora ochrococca (Nyl.) Clauzade & Cl. Roux = Protoparmelia ochrococca
Lecanora oleagina Harm. = Protoparmelia oleagina
Lecanora pacifica auct. brit. = Lecanora sp. (unidentified species)
Lecanora pallescens auct. brit. p.p. = Ochrolechia parella
Lecanora pallescens auct. brit. p.p. = Ochrolechia szatalaensis
Lecanora pallida (Schreb.) Rabenh., non Chev. = Lecanora albella
Lecanora parella (L.) Ach. = Ochrolechia parella
Lecanora parella var. turneri (Sm.) Nyl. = Ochrolechia turneri
Lecanora parisiensis Nyl. = Lecanora horiza
Lecanora pelobotryon (Wahlenb.) Sommerf. = Amygdalaria pelobotryon
Lecanora phaeoleucodes Nyl = Lecania turicensis
Lecanora phaeops (Nyl.) Th. Fr. = Lecidea phaeops
Lecanora picea auct. = Protoparmelia memnonia
Lecanora picea (Dicks.) Nyl., non auct. = Protoparmelia badia
Lecanora pityrea Erichsen = Lecanora conizaeoides
Lecanora piniperda Körb. = Lecanora albellula
Lecanora polytropa f. alpigena (Ach.) Schaer. = Lecanora polytropa
Lecanora polytropa f. efflorescens Cromb. = Lecanora soralifera
Lecanora polytropa var. stenotropa (Nyl.) A.L. Sm. = Lecanora stenotropa
Lecanora poriniformis Nyl. = Ochrolechia xanthostoma
Lecanora prevostii (Duby) Th. Fr. = Hymenelia prevostii
Lecanora prevostii f. melanocarpa (Kremp.) Stizenb. = Hymenelia melanocarpa
Lecanora psarophana Nyl. = Protoparmelia montagnei
Lecanora pyracea (Ach.) Nyl. = Caloplaca holocarpa s. lat.
Lecanora pyracea var. ulmicola (DC.) Leight. = Caloplaca luteoalba
Lecanora radiosa (Hoffm.) Schaer. = Aspicilia radiosa
Lecanora radiosa var. karelica Räsänen = Lecanora swartzii
Lecanora recedens (Taylor) Nyl. = Aspicilia recedens
Lecanora rugosa Nyl., non Ach. = Lecanora chlarotera
Lecanora rupicola f. sorediata (Flot.) Zahlbr. = Lecanora rupicola var. efflorens
Lecanora sambuci subsp. dimera (Nyl.) Wheldon & A. Wilson = Lecania dubitans
Lecanora sarcopis (Ach.) Ach. = Lecanora saligna
Lecanora sarcopisioides (A. Massal.) A.L. Sm. [orth. error] = Lecanora sarcopidoides
Lecanora schistina (Nyl.) Arnold = Lecanora praepostera
Lecanora sophodes (Ach.) Ach. = Rinodina sophodes
Lecanora sophodes var. exigua auct. brit. p.max.p., non (Ach.) Cromb. = Rinodina oleae
Lecanora sordida (Pers.) Th. Fr. = Lecanora rupicola
Lecanora sordida var. subcarnea (Lilj.) Th. Fr. = Lecanora subcarnea
Lecanora squamulosa sensu Taylor (1836) = Protoparmelia badia
Lecanora squamulosa sensu Hook. (1833) = Acarospora fuscata
Lecanora squamulosa auct. brit. 19th C p.p. = Acarospora macrospora
#Lecanora subcarnea auct. brit. p.p. = Lecanora ochroidea [esp. material from SW Britain]
Lecanora subcircinata Nyl. = Aspicilia radiosa
Lecanora subdepressa auct. brit. = Aspicilia laevata
Lecanora subfusca auct. p.max.p. = Lecanora chlarotera
Lecanora subfusca f. albella (Pers.) Leight. = Lecanora albella
Lecanora subfusca var. allophana auct. brit. p.max.p. = Lecanora chlarotera
Lecanora subfusca var. allophana f. parisiensis (Nyl.) Hue = Lecanora horiza
Lecanora subfusca f. angulosa (Schreb.) Leight. = Lecanora carpinea
Lecanora subfusca var. angulosa (Schreb.) Mudd = Lecanora carpinea
Lecanora subfusca var. campestris (Schaer.) Rabenh. = Lecanora campestris
Lecanora subfusca var. chlarona auct. = Lecanora pulicaris
Lecanora subfusca var. glabrata auct. brit. = Lecanora pulicaris
Lecanora subfusca var. glabrata (Ach.) Mudd = Lecanora glabrata;
incorrectly reported from the British Isles
Lecanora subfusca var. pinastri Schaer. = Lecanora pulicaris
Lecanora subfusca var. zosterae Ach. = Lecanora zosterae
Lecanora subfuscata H. Magn. = Lecanora argentata
Lecanora subimbricata A.L. Sm. = Aspicilia radiosa
Lecanora subimbricata var. circinatula (Nyl.) A.L. Sm. = Aspicilia radiosa
Lecanora subradiosa Nyl. = Lecanora swartzii
Lecanora subrugosa Nyl. = status of British material uncertain
Lecanora subluta Nyl. = identity uncertain
[possibly a KC+ member of the Lecanora dispersa group]
Lecanora superiuscula Nyl. = Miriquidica complanata
Lecanora sylvatica (Arnold) Sandst. = ? Aspicilia laevata
#Lecanora symmicta auct. p.p. = Lecanora aitema
Lecanora symmicta var. saepincola (Ach.) Nyl. = Lecanora aitema
Lecanora symmicta var. symmictera (Nyl.) Zahlbr. = Lecanora symmicta
Lecanora symmictera Nyl. = Lecanora symmicta
Lecanora symmictera var. aitema (Ach.) Nyl. = Lecanora aitema
Lecanora tartarea (L.) Ach. = Ochrolechia tartarea
Lecanora tartarea var. frigida (Sw.) Ach. = Ochrolechia frigida
Lecanora tartarea var. gonatodes (Ach.) Ach. = Ochrolechia frigida
Lecanora tartarea subsp. subtartarea Nyl. = Ochrolechia androgyna
Lecanora tenera Nyl. = Cliostomum tenerum
Lecanora thelostoma (Ach. ex J. Harriman) Hook. = Thrombium thelostomum
Lecanora torquata auct. brit. = Fuscidea cyathoides
Lecanora tuberculosa Ach. = Aspicilia tuberculosa
Lecanora turneri (Sm.) Ach. = Ochrolechia turneri
Lecanora umbrina f. zosterae (Ach.) Leight. = Lecanora zosterae
Lecanora umbrina subsp. zosterae (Ach.) Cromb. = Lecanora zosterae
Lecanora umbrosa auct. brit., non Degel. = Lecanora caesiosora
Lecanora urbana Nyl. = Lecanora albescens
Lecanora varia var. aitema (Ach.) Nyl. = Lecanora aitema
Lecanora varia var. denigrata sensu Mudd = Lecanora aitema
Lecanora varia var. orosthea (Ach.) Mudd = Lecanora orosthea
Lecanora varia var. sarcopis (Ach.) Mudd = Lecanora saligna
Lecanora varia var. symmicta Ach. = Lecanora symmicta
Lecanora variabilis f. ecrustacea Nyl. = Caloplaca alociza
Lecanora ventosa (L.) Ach. = Ophioparma ventosa
Lecanora ventosa var. subfestiva Nyl. ex Cromb. = Ophioparma ventosa
Lecanora verrucosa Ach. = Megaspora verrucosa
Lecanora vitellina (Hoffm.) Ach. = Candelariella vitellina
Lecidea abietina (Ach.) Ach. = Lecanactis abietina
Lecidea acutula Nyl. = Hypocenomyce caradocensis
Lecidea advertens Nyl. = Lecidella carpathica
Lecidea aenea auct. brit. = Lecidea fuscoatra
Lecidea aeruginosa Borrer = Trapeliopsis flexuosa
Lecidea aestivalis Ohl. = Vezdaea aestivalis
Lecidea aggerata Mudd = Micarea sylvicola
Lecidea aggregatula Nyl. = Miriquidica leucophaea
Lecidea aglaea Sommerf. = Calvitimela aglaea
Lecidea alabastrites Nyl. = Micarea alabastrites
Lecidea alboatra (Hoffm.) Fr. = Diplotomma alboatrum
Lecidea alboatra f. epipolia auct. brit. p.p. = Diplotomma alboatrum
Lecidea alboatra f. epipolia auct. brit. p.p. = Diplotomma venustum auct. brit.
Lecidea albocaerulescens auct. brit. p.p. = Porpidia cinereoatra
Lecidea albocaerulescens auct. brit. p.p. = Porpidia contraponenda
Lecidea albocaerulescens auct. brit. p.p. = Porpidia platycarpoides
Lecidea albocaerulescens var. alpina Schaer. = Porpidia rugosa
Lecidea albocaerulescens
var. flavocaerulescens (Hornem.) Schaer. [nom. rejic. prop.]
= Porpidia flavicunda
Lecidea albocaerulescens
var. flavocaerulescens auct. brit. p.p.
= Porpidia flavocruenta
Lecidea albocaerulescens
var. flavocaerulescens auct. [sorediate taxon]
= Porpidia melinodes
Lecidea albocaerulescens
var. smaragdula M. Knowles ex A.L. Sm.
= Porpidia hydrophila
Lecidea albocarnea Nyl. = Lecania hutchinsiae
Lecidea albohyalina auct. brit., non (Nyl.) Th. Fr. = Lecania cyrtellina
Lecidea albohyalina (Nyl.) Th. Fr. = incorrectly reported from the British Isles
Lecidea albosuffusa (Nyl.) Th. Fr. = Farnoldia jurana
Lecidea alienata Nyl. = Lecidella asema
Lecidea alocizoides Leight. = Rinodina gennarii
Lecidea alocizoides auct. brit. p.p. = Rinodina bischoffii
Lecidea alpestris auct. brit. = Protomicarea limosa
Lecidea alumnula Nyl. = Cecidonia xenophana {LF}
Lecidea amphiplecta Stirt. = Rimularia furvella
Lecidea amylacea (Ehrh. ex Pers.) Nyl. = Lecanographa amylacea
Lecidea amylacea sensu Leight. (1858) = Lecanactis dilleniana
Lecidea aniptiza Stirt. = Micarea denigrata
Lecidea anomala auct. brit. p.p. = Lecania cyrtella
Lecidea antrophila Larbal. ex Leight. = Micarea lutulata
Lecidea aphana Nyl. = Catillaria aphana
Lecidea aphanoides Nyl. = Carbonea intrusa
Lecidea arctica Sommerf. = Frutidella caesioatra
Lecidea armeniaca (DC.) Fr. = Calvitimela armeniaca
Lecidea arridens Nyl. = Trapelia coarctata
Lecidea arthroocarpa (Ach.) Ach. [orth. error] = Immersaria athroocarpa
Lecidea ascaridiella Nyl. = Spirographa fusisporella {LF}
Lecidea asema Nyl. = Lecidella asema
Lecidea asperella Stirt. = Carbonea vorticosa
Lecidea asserculorum auct. brit. = Micarea misella
Lecidea assimilata Nyl. = Micarea assimilata
Lecidea assimilata auct. brit. p.p. = Frutidella caesioatra
Lecidea assimilata auct. brit. p.p. = Lecidea hypnorum
Lecidea assimilata auct. brit. p.p. = Protomicarea limosa
Lecidea assimilata auct. brit. p.p. = Micarea incrassata
Lecidea associata Th. Fr. = Geltingia associata {F}
Lecidea athrocarpa (Ach.) Ach. [orth. error] = Immersaria athroocarpa
Lecidea athroocarpa (Ach.) Ach. (‘athrocarpa’) = Immersaria athroocarpa
Lecidea atrata (Ach.) Wahlenb. = Tremolecia atrata
Lecidea atroalba auct. p.p. = Rhizocarpon hochstetteri
Lecidea atroalba auct. p.p. = Rhizocarpon richardii
Lecidea atrobrunnea subsp. saxosa Hertel & Leuckert = Lecidea syncarpa
Lecidea atrofulva Sommerf. = Miriquidica atrofulva
Lecidea atroides Walt. Watson = Tephromela atra
Lecidea atrorufa (Dicks.) Ach. = Lecidoma demissum
Lecidea aurantiaca auct. = Caloplaca flavorubescens
%Lecidea auriculata subsp. brachyspora Th. Fr. = Lecidea brachyspora
Lecidea auriculata var. diducens (Nyl.) Th. Fr. = Lecidea diducens
Lecidea bauschiana (Körb.) Lettau = Micarea bauschiana
Lecidea botryoides (Nyl.) Zahlbr. = Micarea botryoides
Lecidea botryzia Nyl. ex Stirt. = Micarea lutulata
Lecidea breadalbanensis Stirt. = Japewia tornoensis
Lecidea brujeriana (Schaer. ex Dietr.) Leight. = Ainoa mooreana
Lecidea cadubriae (A. Massal.) Th. Fr. = Lecanora cadubriae
Lecidea caesioatra Schaer. = Frutidella caesioatra
Lecidea calcivora A. Massal. = Clauzadea immersa
Lecidea callicarpa Larbal. ex Leight. = ? Micarea bauschiana
Lecidea callista Stirt. = name of uncertain application (type lost)
Lecidea calpodes Stirt. = name of uncertain application (type lost)
Lecidea carpathica (Körb.) Szatala = Lecidella carpathica
Lecidea carrollii Coppins & P. James = Japewiella tavaresiana
Lecidea cechumena Ach. = Lecidea fuscoatra
Lecidea chalybeia Borrer = Catillaria chalybeia
Lecidea chalybeioides Nyl. = Claurouxia chalybeioides
Lecidea cinerascens sensu A.L. Sm., non Nyl. = Porpidia speirea
Lecidea cinereorufa Schaer. = Schaereria cinereorufa
Lecidea cinnabarina auct. brit. = Pertusaria pupillaris and Schismatomma quercicola
Lecidea cinnabarina Sommerf. = Pyrrhospora cinnabarina (Sommerf.) M. Choisy;
incorrectly reported from the British Isles
Lecidea citrinella f. arenicola Nyl. = Arthrorhaphis grisea {LF}
Lecidea cladoniaria Nyl. = Phaeopyxis punctum {LF}
Lecidea clavulifera Nyl. = Psilolechia clavulifera
Lecidea coarctata (Sm.) Nyl. = Trapelia coarctata
Lecidea coarctata f. elachista (Ach.) Th. Fr.. = Trapelia coarctata
Lecidea coarctata f. glebulosa (Gray) Arnold. = Trapelia glebulosa
Lecidea coarctata var. glebulosa (Gray) Cromb. = Trapelia glebulosa
Lecidea coarctata var. ornata (Sommerf.) Nyl. = Trapelia glebulosa
Lecidea confertula Stirt. = Miriquidica leucophaea
Lecidea confusior Nyl. = Catillaria scotinodes
Lecidea confusula Nyl. = Micarea subnigrata
Lecidea conglomerata sensu Mudd = Lecania cyrtellina
Lecidea consentiens Nyl. = Amygdalaria consentiens
Lecidea conspurcata (Sm.) Ach. p.p. = Dirina massiliensis f. sorediata
Lecidea contenebricans Nyl. p.p. = Lecidea lactea
Lecidea contenebricans Nyl. p.p. = Lecidea lapicida
Lecidea contigua auct. = Porpidia macrocarpa
Lecidea contigua var. calcarea Fr. = Porpidia speirea (?p.p.)
Lecidea contigua var. flavicunda (Ach.) Nyl. = Porpidia flavicunda
Lecidea contigua var. flavicunda auct. brit. p.p. = Porpidia flavocruenta
Lecidea contigua var. platycarpa (Ach.) Fr. = Porpidia macrocarpa
Lecidea contiguella Nyl. = Lecidea lapicida
Lecidea contortula Stirt. = Porpidia macrocarpa
Lecidea coracina auct. brit. p.p. = Buellia aethalea
Lecidea coracina auct. brit. p.p. = Orphniospora moriopsis
Lecidea coriacella Nyl. = Fuscidea kochiana
Lecidea corollidia Stirt. = Porpidia platycarpoides
Lecidea coronata Borrer, non Hoffm. = Protopannaria pezizoides
Lecidea cristata Leight. = Unguiculariopsis thallophila {LF}
Lecidea crombei Nyl. = Calvitimela aglaea
Lecidea crustulata (Ach.) Spreng. = Porpidia crustulata
Lecidea cuprea Sommerf. = Biatora cuprea
Lecidea cyanothalmia Nyl. = Porpidia hydrophila
Lecidea cyathoides (Ach.) Ach. = Fuscidea cyathoides
Lecidea cyathoides f. corticola auct. brit. = Fuscidea cyathoides var. cyathoides
Lecidea cyclisca sensu A.L. Sm., non (A. Massal.) Malbr. = Clauzadea metzleri
Lecidea dasaea Stirt. = Placynthiella dasaea
Lecidea declinans Nyl. = Lecidea lapicida
Lecidea dealbatula Nyl. = Cecidonia xenophana {LF}
Lecidea decipiens (Hedw.) Ach. = Psora decipiens
Lecidea declinascens Nyl. = Lecidea lapicida
Lecidea decolorans Flörke = Trapeliopsis granulosa
Lecidea decolorans subsp. flexuosa (Fr.) Cromb. = Trapeliopsis flexuosa
Lecidea decolorans var. flexuosa (Fr.) Link = Trapeliopsis flexuosa
Lecidea demarginata auct. brit. = Micarea lutulata
Lecidea demarginata Nyl., non auct. brit. = Micarea erratica
Lecidea demissa (Rustr.) Ach. = Lecidoma demissum
Lecidea demolita auct. brit., non Vain. = Lecidea lactea
Lecidea denigrata (Fr.) Nyl. = Micarea denigrata
Lecidea deparcula Nyl. = Cecidonia xenophana {LF}
Lecidea dicksonii auct. = Tremolecia atrata
Lecidea didymospora Stirt. = Mycoblastus affinis or M. sanguinarius
Lecidea discolorella Nyl. = Miriquidica leucophaea
Lecidea dispansa Nyl. = Micarea erratica
Lecidea dolosa (Nyl.) Vain. = Lecidella elaeochroma
Lecidea dubia Turner & Borrer (1833), non Schaer. (1828) = Lecidella pulveracea
Lecidea dubiosa Zahlbr. = Lecidella pulveracea
Lecidea dufourii Ach. ex Nyl. = Catillaria contristans
Lecidea ecrustacea (Anzi ex Arnold) Arnold = incorrectly reported from the British Isles
Lecidea efflorescens (Hedl.) Erichsen = Biatora efflorescens
Lecidea effusa auct. brit. p.p. = Lecania cyrtellina
Lecidea effusa auct. brit. p.p. = various Bacidia spp. with pale apothecia
Lecidea ehrhartiana (Ach.) Ach. = Cliostomum corrugatum
Lecidea elaeochroma (Ach.) Ach. = Lecidella elaeochroma
Lecidea elata Schaer. = Lecanora marginata
Lecidea enclitica auct. brit. = Lecidea paraclitica
Lecidea endocarpicola Linds. = ? Toninia verrucarioides
Lecidea endocyanea Stirt. = Schaereria fuscocinerea
Lecidea epimarta Nyl. = Pycnothelia papillaria
Lecidea epipolia auct. brit. p.max.p. = Diplotomma alboatrum
Lecidea epipolia auct. brit. p.min.p. = Diplotomma venustum auct. brit.
Lecidea epixanthoidiza auct. p.max.p., non Nyl. = Biatora chrysantha
Lecidea epixanthoidiza Nyl., non auct. brit. = Biatora efflorescens
Lecidea erratica Körb. = Micarea erratica
Lecidea erythrella (Ach.) Borrer ex Hook. = Caloplaca flavovirescens
Lecidea euphorea auct. brit. = Lecidella elaeochroma
#Lecidea expallens sensu Hook. p.p. = Lecanora orosthea
Lecidea expallens (Ach.) Borrer ex Hook. = Lecanora expallens
Lecidea expansa Nyl. ex Norrl. = Micarea erratica
Lecidea fecunda (Th. Fr.) Nyl. ex Stizenb. = Schadonia fecunda
Lecidea fecunda sensu Leight. = identity uncertain
Lecidea ferruginea (Huds.) Hook. = Caloplaca ferruginea
Lecidea ferruginea auct. p.p. = Caloplaca crenularia
Lecidea filamentosa Stirt. = Lecanora symmicta s. lat.
Lecidea flavicunda Ach., auct. brit. p.min.p. = Porpidia flavicunda
Lecidea flavicunda auct. brit. p.max.p. = Porpidia flavocruenta
Lecidea flexuosa (Fr.) Nyl. = Trapeliopsis flexuosa
Lecidea flexuosa f. aeruginosa (Borrer) Leight. = Trapeliopsis flexuosa
Lecidea flexuosa var. aeruginosa (Borrer) Mudd = Trapeliopsis flexuosa
Lecidea formosa Bagl. & Carestia = Lecanora formosa
Lecidea friesii Ach. = Hypocenomyce friesii
Lecidea fucata Stirt. = Mycoblastus fucatus
Lecidea fuliginea Ach. = Placynthiella icmalea
Lecidea fumosa var. deusta sensu Mudd = Lecidea fuscoatra
Lecidea fumosa var. grisella Flörke ex Schaer. = Lecidea fuscoatra
Lecidea furvella Nyl. ex Mudd = Rimularia furvella
Lecidea fuscescens Sommerf. = Lecanora fuscescens
Lecidea fuscoatra var. grisella (Flörke ex Schaer.) Nyl. = Lecidea fuscoatra
Lecidea fuscocinerea auct. = Rimularia gyrizans
Lecidea fuscocinerea Nyl. = Schaereria fuscocinerea
Lecidea fuscorubens (Nyl.) Nyl. = Clauzadea monticola
Lecidea fuscolutea (Dicks.) Ach. = Brigantiaea fuscolutea
Lecidea gagei sensu Hook. p.p. = Catillaria lenticularis
Lecidea gagei (Sm.) A.L. Sm., non Hook. = Herteliana gagei
Lecidea gelatinosa Flörke = Trapeliopsis gelatinosa
Lecidea gelatinosa subsp. prasinorufa sensu A.L. Sm. p.p. = Trapeliopsis gelatinosa
Lecidea gelatinosa subsp. prasinorufa sensu A.L. Sm. p.p. = Trapeliopsis granulosa
Lecidea geographica (L.) Schaer. = Rhizocarpon geographicum
Lecidea geographica var. atrovirens (L.) Schaer. = Rhizocarpon geographicum
Lecidea geographica var. sphaerica (Schaer.) Leight. = Rhizocarpon viridiatrum
Lecidea geographica f. urceolata Schaer. = Rhizocarpon geographicum
Lecidea geomaea Taylor = Micarea lignaria var. lignaria
Lecidea geophana Nyl. = Steinia geophana
Lecidea glaucolepidea Nyl. = Trapeliopsis glaucolepidea
Lecidea globifera Ach. = Psora globifera
Lecidea globularis (Nyl.) Lamy = Micarea misella
Lecidea glomerulosa auct. brit. = Lecidella elaeochroma
Lecidea goniophila sensu H. Magn. = Lecidella anomaloides
Lecidea goniophila auct. brit. p.p. = Lecidella stigmatea
Lecidea gothoburgensis H. Magn. = Fuscidea gothoburgensis
Lecidea granulosa (Hoffm.) Ach. = Trapeliopsis granulosa
Lecidea granulosa subsp. flexuosa (Fr.) Th. Fr. = Trapeliopsis flexuosa
Lecidea granulosa var. flexuosa (Fr.) Schaer. = Trapeliopsis flexuosa
Lecidea griffithii (Sm.) Hook. = Cliostomum griffithii
Lecidea griseoatra (Flot.) Schaer. = Miriquidica griseoatra
Lecidea griseoatra sensu A.L. Sm. = Schaereria fuscocinerea
Lecidea grumosa Leight. = Agyrium rufum {F}
Lecidea gyrizans Nyl. = Rimularia gyrizans
Lecidea gyrophorica Tønsberg = Biatora chrysantha
Lecidea helvola auct. brit., non (Körb. ex Hellb.) Hedl. = Vezdaea aestivalis
Lecidea helvola (Körb. ex Hellb.) Hedl. = Biatora helvola;
incorrectly reported from British Isles
Lecidea hemipolioides Nyl. = Micarea peliocarpa
Lecidea henrica Larbal. ex Nyl. = Herteliana gagei
Lecidea humigena Taylor = Aphanopsis coenosa
Lecidea humida (Kullh.) Th. Fr. = Gregorella humida
Lecidea humosa (Hoffm.) Leight. = Placynthiella uliginosa
Lecidea hyalinella (Körb.) Jatta = Lecidea erythrophaea
Lecidea hypocyanea Stirt. = Catillaria contristans
Lecidea hydrophila Fr. = Porpidia hydrophila
Lecidea icmalea Ach. = Placynthiella icmalea
Lecidea icmadophila (Hoffm.) Ach. = Icmadophila ericetorum
Lecidea illita Nyl. = Rimularia badioatra
Lecidea ilyophora Stirt. = Micarea melaena
Lecidea immersa (Hoffm.) Ach. = Clauzadea immersa
Lecidea imponens Leight. = Carbonea vitellinaria {LF}
Lecidea incana auct. brit. 19th C = Megalospora tuberculosa
Lecidea incompta Borrer = Bacidia incompta
Lecidea indigula Nyl. = Herteliana gagei
Lecidea infidula Nyl. = Micarea bauschiana
Lecidea inquinans (Tul.) Nyl. = Micarea inquinans
Lecidea inserina Nyl. = ? Miriquidica griseoatra
Lecidea insidiosa Th. Fr. = Ramboldia insidiosa
Lecidea insita Stirt. = Steinia geophana
Lecidea instratula Nyl. = Clauzadeana macula
Lecidea insularis Nyl. = Rimularia insularis
Lecidea interpolata Stirt. = Rinodina interpolata
Lecidea interludens Nyl. = Fuscidea kochiana
Lecidea irrubata (Ach.) Ach. = Protoblastenia rupestris
Lecidea jurana Schaer. = Farnoldia jurana
Lecidea kaleida Taylor = Buellia ocellata
Lecidea kochiana Hepp = Fuscidea kochiana
Lecidea kochiana var. lygaea (Ach.) Leight. = Fuscidea lygaea
Lecidea lapicida sensu A.L. Sm. p.p. = Lecidea lactea
Lecidea lapicida var. lactea (Flörke ex Schaer.) V. Wirth = Lecidea lactea
%Lecidea lapicida var. pantherina Ach. = Lecidea lactea
Lecidea lapillicola Vain. = Micarea lapillicola
Lecidea latens Taylor = Micarea tuberculata
Lecidea latypea auct. brit. p.p. = Lecidella asema
Lecidea latypea auct. brit. p.p. = Lecidella stigmatea
Lecidea latypea f. latypiza (Nyl.) A.L. Sm. = Lecidella carpathica
Lecidea latypiza Nyl. = Lecidella carpathica
Lecidea laxula Nyl. = Micarea lutulata
Lecidea leiotea Nyl. = Fuscidea lygaea
Lecidea leptostigma Nyl. = Geltingia associata {LF}
Lecidea leucophaea (Flörke ex Rabenh.) Nyl. = Miriquidica leucophaea
Lecidea leucophaeoides Nyl. = Miriquidica lulensis
Lecidea leucophaeopsis Nyl. = Stereocaulon leucophaeopsis
Lecidea leucoplaca auct. = Megalaria grossa
Lecidea liljenstroemii Du Rietz = Miriquidica nigroleprosa var. liljenstroemii
Lecidea limborina (Nyl.) Lamy = Rimularia limborina
Lecidea limitata auct. = Lecidella elaeochroma
Lecidea limitata var. soralifera (Erichsen) J.R. Laundon = Lecidella elaeochroma f. soralifera
Lecidea limosa Ach. = Protomicarea limosa
Lecidea lithophiliza Nyl. = Lecidea lithophila
Lecidea lithophiloides Müll. Arg. = Lecidea swartzioidea
Lecidea littorella Nyl. = Fellhanera bouteillei
Lecidea livescens Leight. = Lecidea fuscoatra
Lecidea lopadioides (Th. Fr.) Grummann = Ainoa mooreana
Lecidea lucida (Ach.) Ach. = Psilolechia lucida
Lecidea lulensis Hellb. = Miriquidica lulensis
Lecidea lugubris Sommerf. = Ropalospora lugubris
Lecidea lurida Ach. = Psora lurida
Lecidea lutea (Dickson) Borrer ex Hook. = Dimerella lutea
Lecidea luteoatra auct. brit. p.p. = Lecidea lapicida
Lecidea lygaea Ach. = Fuscidea lygaea
Lecidea macrocarpa (DC.) Steud. = Porpidia macrocarpa
Lecidea macrocarpa f. calcarea sensu U.K. Duncan (1961) = ? Porpidia speirea
Lecidea macrocarpa f. flavicunda (Arnold) Zahlbr. = Porpidia flavicunda
Lecidea macrocarpa f. flavicunda auct. brit. p. max p. = Porpidia flavocruenta
Lecidea macula Taylor = Clauzadeana macula
Lecidea mammillaris Dufour = Toninia tumidula
Lecidea margaritacea var. conspurcata (Sm.) Ach. p.p. = Dirina massiliensis f. sorediata
Lecidea matildae H. Magn. = Lecidea confluentula
Lecidea marginata Schaer. = Lecanora marginata
Lecidea meiocarpa auct. brit., non Nyl. = Lecania cyrtellina
Lecidea meiococca Nyl. = Lecidella meiococca
Lecidea melaphana Nyl. = Carbonea intrusa
Lecidea melastigma Taylor = Catillaria chalybeia
Lecidea melinodes (Körb.) H. Magn. & Lynge = Porpidia melinodes
Lecidea mersata Stirt. = Porpidia hydrophila
Lecidea mesotropa Nyl. = Miriquidica leucophaea
Lecidea mesotropiza Nyl. = Lecanora formosa
Lecidea mesotropoides Nyl. = ? Miriquidica leucophaea
Lecidea metzleri (Körb.) Th. Fr. = Clauzadea metzleri
Lecidea micrococca (Körb.) Cromb. = Micarea micrococca
Lecidea milliaria Fr. = Micarea lignaria var. lignaria
Lecidea milliaria var. saxigena Leight., nom. nud. = Micarea lignaria var. lignaria
Lecidea minuta auct. brit. p.p. = Lecania cyrtellina
Lecidea minuta auct. brit. p.p. = Lecidea erythrophaea
Lecidea minuta (Schaer.) A. Massal. non auct. brit. = Lecania hyalina
Lecidea modesta Müll. Arg. = Catillaria modesta
Lecidea modesta auct. brit. p.p. = Micarea lutulata
Lecidea moestula Nyl. = Micarea erratica
Lecidea mollis (Wahlenb.) Nyl. = Fuscidea mollis
Lecidea monticola (Ach.) Schaer. = Clauzadea monticola
Lecidea mooreana Carroll = Ainoa mooreana
Lecidea muddii Salwey ex Mudd, nom. inval. = Halecania ralfsii
Lecidea mullensis Stirt. = Rimularia mullensis
Lecidea muscorum (Sw.) Ach. = Bacidia bagliettoana
Lecidea mutabilis auct. brit., non Fée = Japewiella tavaresiana
Lecidea myriocarpa (DC.) Röhl. = Amandinea punctata
Lecidea nigrificans Nyl. = Halecania spodomela
Lecidea nigroclavata Nyl. = Catillaria nigroclavata
Lecidea nigrocruenta Anzi = Porpidia macrocarpa f. nigrocruenta
Lecidea nigroglomerata Leight. ex Cromb. = Lecanora formosa
Lecidea nigrogrisea Nyl. = Lecidea siderolithica
Lecidea nigroleprosa (Vain.) H. Magn. = Miriquidica nigroleprosa
Lecidea nitescens Leight. = ? Porpidia platycarpoides
Lecidea nitida sensu Leight. = Clauzadeana macula
Lecidea obsoleta Nyl. = Lecidea lactea
Lecidea ocellata subsp. praeponens Nyl. = Buellia ocellata
Lecidea ochracea (Hepp) Zwackh = Clauzadea monticola
Lecidea ochrococca Nyl. = Protoparmelia ochrococca
Lecidea oligotropha J.R. Laundon = Placynthiella oligotropha
Lecidea orosthea (Ach.) Ach. = Lecanora orosthea
Lecidea orphnaeilla Stirt. = Rimularia furvella
Lecidea ostreata (Hoffm.) Schaer. = Hypocenomyce scalaris
Lecidea oxyspora (Tul.) Nyl. = Nesolechia oxyspora {LF}
Lecidea pachycarpa (Delise ex Duby) Dufour = Megalospora tuberculosa
Lecidea pammicta Stirt. = Lecidea lactea
Lecidea panaeola auct. brit. = Amygdalaria pelobotryon
Lecidea pantherina (Ach.) Th. Fr. = Lecidea lactea
Lecidea parasema auct. p.p. = Lecidella elaeochroma
Lecidea parasema var. elaeochroma Ach. = Lecidella elaeochroma
Lecidea parasema var. flavens Nyl. = Lecidella elaeochroma
Lecidea parmeliarum Sommerf. = Abrothallus parmeliarum {LF}
Lecidea patavina A. Massal. = Lecidella patavina
Lecidea paucula Nyl. = Micarea lutulata
Lecidea pedatula Nyl. = Ascomycota identity uncertain
Lecidea pelobotrya (Wahlenb.) Leight. = Amygdalaria pelobotryon
Lecidea pelobotryon (Wahlenb.) Leight. = Amygdalaria pelobotryon
Lecidea percontigua Nyl. = Porpidia platycarpoides
Lecidea periplaca Nyl. = Fuscidea lygaea
Lecidea pernigra Hertel = Lecidea promixta
Lecidea perobscura Nyl. = Lecanora symmicta s. lat.
Lecidea perustula Nyl. = Clauzadeana macula
Lecidea petraea (Wulfen) Ach. = Rhizocarpon petraeum
Lecidea petrosa Arnold = Farnoldia jurana
Lecidea phaeenterodes Nyl. = Porpidia rugosa
Lecidea phylliscina Nyl. = Porpidia macrocarpa
Lecidea pilati (Hepp) Körb. = Adelolecia pilati
Lecidea pineti Ach. = Dimerella pineti
Lecidea pinicola sensu Borrer = Amandinea punctata
Lecidea pissodes Stirt. = Clauzadeana macula
Lecidea poliodes Nyl. = Micarea lutulata
Lecidea polioides Nyl. [orth. error] = Micarea lutulata
Lecidea polyantha Taylor ex Leight. = Lecidella asema
Lecidea polycarpa Flörke = Lecidea lactea s. lat.
Lecidea polycarpella Erichsen = Micarea polycarpella
Lecidea polysita Stirt. = Bacidia polychroa
Lecidea praerimata Nyl. = Dirina massiliensis f. sorediata
Lecidea praeruptorum Du Rietz & H. Magn. = Fuscidea praeruptorum
Lecidea prasina (Fr.) Schaer. = Micarea prasina
#Lecidea prasina auct. p.p. = Micarea micrococca
Lecidea prasinula (Wedd.) Hertel, non auct brit. = Lecidella scabra
Lecidea prasinula auct. p.max.p. = Lecidella meiococca
Lecidea prasinolepis auct. brit., non (Nyl.) Th. Fr. = Biatora vernalis
Lecidea privigna Ach. = Sarcogyne privigna
Lecidea privigna auct. brit. p.p. = Polysporina simplex
Lecidea prominula Borrer = Lecidella stigmatea
Lecidea promiscens auct. brit. = ? Lecidea auriculata
Lecidea prostratula Stirt. = Lecidea fuscoatra
Lecidea protrusa auct. brit. = Lecidella scabra
Lecidea protrusa f. meiococca (Nyl.) A.L. Sm. = Lecidella meiococca
Lecidea pruinosa auct. = Sarcogyne regularis
Lecidea pseudogranulosa Coppins & P. James ad int. = Trapeliopsis pseudogranulosa
Lecidea pulveracea Flörke ex Th. Fr. = Lecidella pulveracea
Lecidea pulverea Borrer = Megalaria pulverea
Lecidea puncta (A. Massal.) Jatta [orth. error] = Phaeopyxis punctum {LF}
Lecidea punctum (A. Massal.) Jatta = Phaeopyxis punctum {LF}
Lecidea quadricolor (Dicks.) Borrer = Trapeliopsis granulosa
Lecidea quernea (Dicks.) Ach. = Pyrrhospora quernea
Lecidea relicta Stirt. = Lecidea stirtoniana Zahlbr.;
identity uncertain, type not traced
Lecidea recensa Stirt. = Fuscidea recensa
Lecidea restricta Stirt. = Lecidella stigmatea
Lecidea rhizobola Nyl. = Acarospora rhizobola
Lecidea rivulosa Ach. = Fuscidea cyathoides
Lecidea rivulosa auct. brit. 19th C p.p. = Fuscidea lygaea
Lecidea rosella auct. brit. p.p. = Bacidia phacodes
Lecidea rosella auct. brit. p.p. = Bacidia rubella
Lecidea rubidula Nyl. = Protoblastenia cyclospora
Lecidea rubiformis (Ach.) Wahlenb. = Psora rubiformis
Lecidea rufofusca auct. brit., non (Anzi) Nyl. = Japewiella tavaresiana
Lecidea rupestris (Scop.) Hook. = Protoblastenia rupestris
Lecidea rusticella Nyl. = Micarea bauschiana
Lecidea rusticula Nyl. = ? Lecidea ahlesii
Lecidea sabuletorum f. simplicior Nyl. = Catillaria contristans
Lecidea salweii Borrer [orth. error] = Trapeliopsis wallrothii
Lecidea salweyi Borrer = Trapeliopsis wallrothii
Lecidea sanguinaria (L.) Ach. = Mycoblastus sanguinarius
Lecidea sanguinaria var. affinis (Schaer.) Nyl. = Mycoblastus affinis
Lecidea sanguinaria var. endorhoda Th. Fr. = Mycoblastus sanguinarius
Lecidea sanguinaria var. melina Kremp. ex Nyl. = Mycoblastus affinis
#Lecidea sanguineoatra sensu A.L. Sm. p.p. = Lecidea hypnorum
Lecidea sanguineoatra var. templetonii (Taylor) Vain. = Lecidea hypnorum
Lecidea sapinea f. aeruginosa (Borrer) Zahlbr. = Trapeliopsis flexuosa
Lecidea saxatilis Schaer. = Dactylospora saxatilis {LF}
Lecidea scabra Taylor = Lecidella scabra
Lecidea scalaris (Ach.) Ach. = Hypocenomyce scalaris
Lecidea scapanaria Carrington = Dactylospora scapanaria (Carrington) D. Hawksw. {F}
Lecidea scotinodes Nyl. = Catillaria scotinodes
Lecidea scutellata Walt. Watson = Porpidia crustulata
Lecidea scutulata Stirt. = Amygdalaria consentiens
Lecidea segregans Nyl. = Lecidea pycnocarpa
Lecidea semipallens Nyl. = Micarea bauschiana
Lecidea sincerula Nyl. ex Cromb. = Tremolecia atrata
Lecidea scabrosa auct.brit. p.p., non Ach. = Lecidella elaeochroma
Lecidea scabrosa auct. brit. p.p., non Ach. = Lecidella asema
Lecidea scabrosa Ach. = Epilichen scabrosus
Lecidea simplex (Davies) Hook. = Polysporina simplex
Lecidea socialis (Körb.) Cromb. = Schadonia fecunda
Lecidea sorediza Nyl. = Porpidia tuberculosa
Lecidea soredizodes (Lamy) Sandst. = Porpidia soredizodes
Lecidea speirea (Ach.) Ach. = Porpidia speirea
Lecidea speirea auct. brit. p.p. = Rhizocarpon umbilicatum
Lecidea sphaeroides auct. brit. = various lecidioid lichens with pale, biatorine apothecia
Lecidea sporodiza Stirt. = Trapeliopsis flexuosa
Lecidea sporotea Stirt. = Miriquidica leucophaea
Lecidea stellulata Tayl. = Buellia stellulata
Lecidea stenotera auct. brit. p.p. = Protomicarea limosa
Lecidea stenotera auct. brit. p.p. = Micarea incrassata
Lecidea steriza (Ach.) Vain. = Porpidia macrocarpa
Lecidea stigmatea Ach. = Lecidella stigmatea
Lecidea stirtoniana Zahlbr. = identity uncertain, type not traced
Lecidea subcinerascens auct. brit., non Nyl. = Lecidea lactea
Lecidea subdita Nyl. = Lecanora formosa
Lecidea subfurva Nyl. = Schaereria cinereorufa
Lecidea subgyratula Nyl. = Rimularia limborina
Lecidea subincongrua Nyl. = Lecidella asema
Lecidea subinfidula Nyl. = Micarea tuberculata
Lecidea subkochiana sensu Cromb. = Lecidea lactea
Lecidea sublatypea Leight. ex Cromb. = Carbonea vorticosa
Lecidea sublivescens (Nyl. ex Cromb.) P. James = Lecanora sublivescens
Lecidea submoestula Nyl. = Micarea subconfusa
Lecidea subplumbea Anzi = ? Miriquidica griseoatra
Lecidea subsequens Nyl. = Lecidella stigmatea
Lecidea subumbonata auct. brit. = Porpidia speirea
Lecidea subumbonella Lamy = Porpidia speirea
Lecidea subviridescens Nyl. = Micarea subviridescens
Lecidea sulphurea (Hoffm.) Wahlenb. = Lecanora sulphurea
Lecidea supersparsa Nyl. = Carbonea supersparsa {LF}
Lecidea sylvicola Flot. = Micarea sylvicola
Lecidea sylvicola var. hellbomii (J. Lahm) Leight. = Micarea sylvicola
Lecidea sylvicola var. infidula (Nyl.) Leight. = Micarea bauschiana
Lecidea symmicta (Ach.) Ach. = Lecanora symmicta
#Lecidea symmicta auct. p.p. = Lecanora aitema
Lecidea symmicta var. saepincola (Ach.) Hedl. = Lecanora aitema
Lecidea symmicta var. symmictera (Nyl.) Hedl. = Lecanora symmicta
Lecidea symmictella Nyl. = ? Lecanora symmicta
Lecidea sympathetica Taylor ex Leight. = Clauzadea monticola
Lecidea tabidula Nyl. = Lecidea pycnocarpa
Lecidea taeniarum (Malme.) = Fuscidea austera
Lecidea tantilla Nyl. = Strangospora moriformis
Lecidea tantilla sensu Leight. (1879) p.p. = Strangospora pinicola
Lecidea taylorii Mudd = Herteliana gagei
Lecidea templetonii Taylor = Lecidea hypnorum
Lecidea tenebrans Nyl. = Porpidia macrocarpa
Lecidea tenebrica Nyl. = Fuscidea lygaea
Lecidea tenebricosa auct. brit. p.p. = Japewiella tavaresiana
Lecidea tenebricosa auct. brit. p.p. = Lecidea erythrophaea
Lecidea tenebrosa Flot. = Schaereria fuscocinerea
Lecidea tenera Nyl. = Cliostomum tenerum
Lecidea tephrizans Leight. = Micarea erratica
Lecidea tornoensis Nyl. = Japewia tornoensis
Lecidea tricolor Nyl. = Cliostomum griffithii
Lecidea trochodes (Taylor ex Leight.) Cromb. = Rimularia limborina
Lecidea truncigena (Ach.) Nyl. = Gyalecta truncigena
Lecidea tumidior (Nyl.) Vain. = ? Miriquidica griseoatra
Lecidea turfosa (A. Massal.) Jatta = Micarea turfosa
Lecidea tumida A. Massal. = Porpidia tuberculosa
Lecidea turneri Leight. = Toninia aromatica
Lecidea uliginascens Stirt. = ? Placynthiella hyporhoda
Lecidea uliginosa (Schrad.) Ach. = Placynthiella uliginosa
Lecidea uliginosa auct. brit. p.p. = Placynthiella icmalea
Lecidea uliginosa var. humosa Leight., non (Hoffm.) Leight. = Placynthiella oligotropha
Lecidea ulmicola (DC.) Borrer ex Hook. = Caloplaca luteoalba
Lecidea umbonata auct. brit., non (Hepp) Mudd = Cecidonia umbonella {LF}
Lecidea umbonella Nyl. = Cecidonia umbonella {LF}
Lecidea umbonella var. alumnula (Nyl.) Hertel = Cecidonia xenophana {LF}
Lecidea umbrina Ach. = Scoliciosporum umbrinum
Lecidea umbrina var. compacta (Körb.) Leight. = Scoliciosporum umbrinum
Lecidea urceolata auct. brit., non Ach. = Bactrospora homalotropum
Lecidea vainioi H. Magn. = Micarea sylvicola
Lecidea valentior Nyl. = Lecidea ahlesii
Lecidea vernalis (L.) Fr. = Biatora vernalis
Lecidea verruculosa (Sm.) Borrer = Buellia aethalea
Lecidea verruculosa auct. p.p. = Buellia ocellata
Lecidea verruculosa var. praeponens (Nyl.) Leight. = Buellia ocellata
Lecidea viridiatra auct. brit. = Lecidea lapicida
Lecidea viridans (Flot.) Lamy = Lecidella viridans
Lecidea viridescens (Schrad.) Ach. = Trapeliopsis viridescens
Lecidea vitellinaria Nyl. = Carbonea vitellinaria {LF}
Lecidea vorticosa (Flörke) Körb. = Carbonea vorticosa
Lecidea wallrothii Flörke ex Spreng. = Trapeliopsis wallrothii
Lecidea watsonii P. James = Lecidea lichenicola
Lecidea xanthococca Sommerf. = Pycnora xanthococca
Lecidella bullata auct. brit. = Lecanora formosa
%Lecidella effugiens (Nilson) Knoph & Hertel = Lecidella asema s. lat. {CR}
%Lecidella elaeochromoides (Nyl.) Knoph & Hertel = Lecidella asema s. lat. {CR}
Lecidella euphorea (Flörke) Hertel = Lecidella elaeochroma {CR}
Lecidella subincongrua (Nyl.) Hertel & Leuckert = Lecidella asema
Lecidella prasinula auct. = Lecidella meiococca
Lecidella prasinula (Wedd.) Hertel, non auct. = Lecidella scabra
Leciographa centrifuga (A. Massal.) Rehm = Opegrapha rupestris {LF}
Leciographa glaucomaria (Nyl.) A.L. Sm. = Arthonia varians {LF}
Leciographa inspersa auct. = Dactylospora parasitica {LF}
Leciographa parasitica A. Massal. = Opegrapha parasitica {LF}
Leciographa parasitica auct.brit. p.max.p. = Opegrapha rupestris {LF}
Leciographa parellaria (Nyl.) Sacc. & D. Sacc. = Dactylospora parellaria {LF}
Leciographa persimilis Nyl. = ? Dactylospora scapanaria (Carrington) D. Hawksw. {F}
Leciographa plumbina Anzi = Toninia plumbina {LF}
Leciographa scapanaria (Carrington) A.L. Sm. = Dactylospora scapanaria (Carrington) D. Hawksw. {F}
Leciographa zwackhii A. Massal. ex Zwackh = Opegrapha zwackhii {LF}
Lecothecium nigrum (Huds) A. Massal. = Placynthium nigrum
Lecothecium nigrum f. fuscum (Hepp) Mudd = Placynthium nigrum
Leiophloea fallax (Nyl.) H. Reidl = Arthopyrenia analepta {F}
%Leiorreuma lyellii (Sm.) Staiger = Phaeographis lyellii
Lemmopsis leptogiella (Nyl.) A.L. Sm. = Porocyphus leptogiella
Lempholemma albonigrum H. Magn. = Lempholemma cladodes
Lempholemma fennicum (Räsänen) Degel. = Lempholemma intricatum
Lempholemma chalazanellum (Nyl.) Zahlbr. = ? Lempholemma polyanthes
[some authors regard L. chalazanellum as a separate species]
Lempholemma chalazanodes (Nyl.) Zahlbr. = ? Lempholemma polyanthes
Lempholemma confertum (Ach.) Zahlbr. = ? Collema tenax
Lempholema isidioides (Nyl. ex Arnold) H. Magn. = incorrectly reported from the British Isles
Lempholemma myriococcum (Ach.) Th. Fr. = Lempholemma polyanthes
Lepidoma demissum (Rutstr.) M. Choisy = Lecidoma demissum
Lepidoma triptophyllum (Ach.) Gray = Parmeliella triptophylla
Lepraria aeruginosa (Weiss) Sm. = Scytonema hofmannii Agardh ex Bornet & Flahault {cyanobacterium}
Lepraria aeruginosa auct. p.max.p. = various Lepraria s.lat. species,
especially L. incana and Botryolepraria lesdainii
Lepraria aeruginosa auct. p.p. = Lepraria lobificans
Lepraria alba Ach., nom. superfl. = application uncertain
Lepraria botryoides (L.) Ach. = Lichenomphalia umbellifera
Lepraria botryoides auct. p.p. = Desmococcus olivaceus (Pers. ex Ach.) J.R. Laundon,
and other non-lichenized green algae on trees, rocks and stonework
Lepraria candelaris (L.) Fr. = Chrysothrix candelaris
Lepraria chlorina (Ach.) Ach. = Chrysothrix chlorina
Lepraria cinereosulphurea Flörke = application uncertain (type lost)
#Lepraria crassissima auct. brit. p.max.p. = Lepraria nivalis
Lepraria decolorans (Turner & Borrer ex Sm.) Almb. = Schismatomma decolorans
Lepraria finkii (de Lesd. ex Hue) R.C. Harris = Lepraria lobificans
Lepraria flava (Schreb.) Sm. = Chrysothrix candelaris
Lepraria frigida Laundon {CR} = Lepraria eburnea
Lepraria jolithus (L.) Ach. = Trentepohlia jolithus (L.) Wallr. [alga]
Lepraria lactea (L.) Hue = application uncertain
Lepraria lesdainii (Hue) R.C. Harris = Botryolepraria lesdainii
Lepraria lutescens (Hoffm.) Sm. = Pertusaria flavida
Lepraria murorum Hook. = Desmococcus olivaceus (Pers. ex Ach.) J.R. Laundon {non-lichenized alga}
#Lepraria neglecta auct. p.p. = Lepraria neglecta
Lepraria nigra Turner & Borrer ex Sm. = Monodictys cellulosa S.J. Hughes {F}
Lepraria ochracea Turner & Borrer ex Sm. = Caloplaca borreri
Lepraria virescens Sm. = Caloplaca virescens
Lepraria viridis (Schreb.) Funck = Desmococcus olivaceus (Pers. ex Ach.) J.R. Laundon {non-lichenized alga}
Lepraria xantholyta (Nyl.) Lettau = Leproplaca xantholyta
Lepraria zonata Brodo = Lepraria caesioalba
Leproloma angardianum (Øvstedal) J.R. Laundon = Lepraria cacuminum
Leproloma cacuminum (A. Massal.) J.R. Laundon = Lepraria cacuminum
Leproloma diffusum J.R. Laundon var. diffusum = Lepraria diffusa var. diffusa
Leproloma diffusum var. chrysodetoides J.R. Laundon = Lepraria diffusa var. chrysodetoides
Leproloma lanuginosum Nyl. ex Cromb., nom. illeg. = Lepraria membranacea
Leproloma membranaceum (Dicks.) Vain = Lepraria membranacea
Leproloma vouauxii (Hue) J.R. Laundon = Lepraria vouauxii
Leptogidium dendriscum Nyl. = Polychidium dendriscum
Leptogidium moorei auct., non Nyl. = Polychidium dendriscum
Leptogium amphineum auct. brit. = Leptogium subtile
Leptogium amphineum Nyl., non auct. brit. = Leptogium byssinum
Leptogium andegavense Hy = incorrectly reported from the British Isles
Leptogium andegavense auct. brit. = ? Leptogium turgidum
Leptogium azureum auct. brit. = Leptogium cochleatum
Leptogium byssinum auct. brit. p.max.p. = Leptogium biatorinum
Leptogium callopismum (A. Massal.) Harm. = Collema callopismum
Leptogium cataclystum Körb. = Collema dichotomum
Leptogium corniculatum (Hoffm.) Minks = Leptogium palmatum
Leptogium crenulatum Walt. Watson = of uncertain application
Leptogium cretaceum (Sm.) Nyl. = ? Leptogium biatorinum
Leptogium dermatinum auct. p.p. = Collema auriforme
Leptogium dermatinum auct. p.p. = Collema cristatum
Leptogium fluviatile (Huds.) Cromb. = Collema dichotomum
Leptogium fragile (Taylor) Nyl. = Collema fragile
Leptogium fragrans (Sm.) Leight. = Collema fragrans
Leptogium glebulentum Nyl. ex Cromb. = Collema glebulentum
Leptogium granuliforme Harm. = status of British records uncertain
Leptogium humosum Nyl. = Leptogium tenuissimum
Leptogium lacerum (Retz.) Gray = Leptogium lichenoides
Leptogium lacerum var. lophaeum (Ach.) Nyl. = Leptogium lichenoides
Leptogium lacerum var. pulvinatum (Hoffm.) Körb. = Leptogium lichenoides
Leptogium microphyllum Leight. = Collema fragrans
Leptogium microscopicum Nyl. = Leptogium teretiusculum
Leptogium minutissimum (Flörke) Fr. = Leptogium subtile
Leptogium moorei Hepp ex Leight. = Polychidium dendriscum
Leptogium placodiellum Nyl. ex Ripart = Leptogium diffractum
Leptogium pulvinatum (Hoffm.) Cromb. = Leptogium lichenoides
Leptogium pusillum Nyl. = Leptogium biatorinum
Leptogium rhyparodes Nyl. = Collema callopismum var. rhyparodes
Leptogium rimosum (Sommerf.) Nyl. = status of British records uncertain
Leptogium rivulare auct. brit. = Collema dichotomum
Leptogium ruginosum (Schaer.) Nyl. = Leptogium brebissonii
Leptogium sinuatum (Huds.) A. Massal. = Leptogium gelatinosum
Leptogium sinuosum auct. brit. (sphalm. ‘sinuatum’) = Leptogium gelatinosum
Leptogium tremelloides auct. brit. p.p. = Leptogium britannicum
Leptogium tremelloides auct. brit. p.p. = Leptogium cyanescens
Leptogium tremelloides (L. f.) Gray, nom. illeg. = Leptogium cochleatum
Leptorhaphis carrollii A.L. Sm. = Celothelium ischnobelum
Leptorhaphis ischnobela (Nyl.) Coppins = Celothelium ischnobelum
Leptosphaeria baeomycearia (Linds.) Sacc. & Trotter = ? Pyrenidium actinellum {LF}
Leptosphaeria caninae (W. Phillips & Plowr.) Sacc. = Pyrenidium actinellum {LF}
Leptosphaeria leucomelaria (Mudd) Vouaux = ? Pyrenidium actinellum {LF}
Leptosphaeria neottizans (Leight.) Zopf = Pyrenidium actinellum {LF}
Leptosphaeria oligospora (Vain.) Sacc. & D. Sacc. = Pyrenidium actinellum {LF}
Leptosphaeria rivana (De Not.) Sacc. = Pyrenidium actinellum {LF}
Leptosphaeria pycnostigma auct. brit. = Pyrenidium actinellum {LF}
Leptotrema monosporum auct. brit., non (Nyl.) Müll. Arg. = Thelotrema macrosporum
Letharia arenaria auct. brit. = Evernia prunastri
Leucocarposis devensis G. Salisb. = Verrucaria praetermissa
Libertiella peltigerae (Lib. ex Cooke) Keissl. = Libertiella malmedyensis {LF}
Lichen abietinus Ach. = Lecanactis abietina
Lichen abietinus sensu Sm. (1807), non Ach. = Cresponea premnea
Lichen acicularis sensu Sm., non Ach. = Chaenotheca hispidula
Lichen aculeatus Schreb. = Cetraria aculeata
Lichen aculeatus With. = Cetraria aculeata
Lichen affinis Dicks. = Pannaria rubiginosa
Lichen agelaeus Ach. = Phlyctis agelaea
Lichen albellus Pers. = Lecanora albella
Lichen albescens Huds. = Pertusaria albescens var. albescens
Lichen amphibius With. = ? Dermatocarpon luridum
Lichen anthracinus Wulfen = Umbilicaria polyphylla
Lichen aquaticus Weiss, non L. = Dermatocarpon luridum
Lichen aromaticus Sm. = Toninia aromatica
Lichen atlanticus Sm. = Tornabea scutellifera
Lichen atratus Sm. (1811), non Hedw. (1788) = Orphniospora moriopsis
Lichen borreri Sm. = Punctelia borreri
Lichen caeruleonigricans Lightf., non auct. = Fuscopannaria praetermissa
Lichen caeruleonigricans auct. = Toninia sedifolia
Lichen caesariensis With. = Roccella fuciformis
Lichen calcareus L. = Aspicilia calcarea
Lichen calcareus Weiss non L. = Rhizocarpon umbilicatum
Lichen calicaris L. = Ramalina calicaris
Lichen calicaris sensu Huds. p.p. = Ramalina fastigiata
Lichen candidus F.H. Wigg. (1798), nec Sm. (1803) = Toninia candida (F.H. Wigg.) Th. Fr.;
incorrectly reported from the British Isles
Lichen candidus Sm. (1803), non F.H. Wigg. (1798) = Toninia aromatica
Lichen capitatus Ach. = Chaenotheca furfuracea
Lichen carnosus Dicks. = Massalongia carnosa
Lichen cartilagineus Lightf. = Squamarina cartilaginea
Lichen cartilagineus With. = Squamarina cartilaginea
Lichen cerinus Hedw. = Caloplaca cerina
Lichen ceuthocarpus Sm. = Pertusaria pseudocorallina
Lichen chloroleucus Sm. = Caloplaca cerina var. chloroleuca
Lichen chrysocephalus Turner ex Ach. = Chaenotheca chrysocephala
Lichen clavellus sensu Sm., non Ach. = Calicium quercinum
Lichen clementei Sm. = Physcia clementei
Lichen clementi Sm. [orth. var.] = Physcia clementei
Lichen coarctatus Sm. = Trapelia coarctata
Lichen coccineus Dicks. (1785), non Neck. = Haematomma ochroleucum
Lichen compositus With. = Lecanora rupicola
parasitized by Arthonia varians {LF} [name not typified]
Lichen conspurcatus Sm. (1801) p.p. = Dirina massiliensis f. sorediata
Lichen conspurcatus Sm. (1801) p.p. = unidentified hyphomycete
on Dirina massiliensis f. sorediata {LF}
Lichen corneus With. (1776) = Umbilicaria cylindrica
Lichen corneus With. (1796) = Cliostomum griffithii
Lichen cornigerus With. = Cladonia subulata
Lichen cornucopioides auct. brit. p.p. = Cladonia coccifera s. lat.
Lichen corrugatus Sm. = Pleurosticta acetabulum
Lichen corynellus Ach. = Calicium corynellum
Lichen crassus Huds. = Squamarina cartilaginea
Lichen crenularius With. = Caloplaca crenularia
Lichen crenulatus Dicks., non With. = Lecanora crenulata
Lichen crenulatus With. = Pannaria rubiginosa
Lichen cretaceum Sm. = ? L. biatorinum
Lichen crinitus Lightf. = Umbilicaria cylindrica
Lichen crispus Huds. = Collema crispum
Lichen cristatus L. = Collema cristatum
Lichen cristatus sensu Huds. et sensu Sm. = Collema tenax
Lichen cycloselis Ach. = Phaeophyscia orbicularis
Lichen daedaleus Sm. = Pyxine sorediata (Ach.) Mont.;
incorrectly reported from the British Isles
Lichen debilis Sm. = Chaenothecopsis debilis {F}
Lichen deustus Lightf., non L. = Umbilicaria proboscidea
Lichen didactylos With. [orth. var.] = Peltigera didactyla
Lichen didactylus With. = Peltigera didactyla
Lichen dillenii With. = Umbilicaria grisea
Lichen distorta With. = Physconia distorta
Lichen dubius Sm. (1814) non Wulfen (1791) = Lecidella pulveracea
Lichen ehrhartianus Ach. = Cliostomum corrugatum
Lichen exilis Lightf. = ? Ephebe lanata
Lichen farinaceus L. = Ramalina farinacea
Lichen fastigiatus Pers. = Ramalina fastigiata
Lichen flavicans Sw. = Teloschistes flavicans
Lichen floridus L. = Usnea florida
Lichen fluviatilis Huds. = Collema dichotomum
Lichen fluviatilis Weber = Dermatocarpon luridum
Lichen fluviatilis sensu Sm. (1809) = Leptogium plicatile
Lichen foliaceus Huds. = Cladonia foliacea
Lichen fragilis L. = Sphaerophorus fragilis
Lichen fragilis sensu Sm., non L. = Bunodophoron melanocarpum
Lichen fragrans Sm. = Collema fragrans
Lichen fraxineus L. = Ramalina fraxinea
Lichen fuciformis L. = Roccella fuciformis
Lichen fucoides Dicks. = Roccella phycopsis
Lichen fucoides With., non Neck. = Cornicularia normoerica
Lichen fuliginosus Dicks. = Sticta fuliginosa
Lichen fuliginosus With. = Sticta fuliginosa
Lichen fungosus With. = Bulgaria inquinans (Pers.) Fr. {F}
Lichen fuscellus Turner = Verrucaria fuscella
Lichen gagei Sm. = Herteliana gagei
Lichen gelasinatus With. = Sphinctrina turbinata {LF}
Lichen gelatinosus With. = Leptogium gelatinosum
Lichen glebulosus Sm. = Trapelia glebulosa
Lichen globiferus L. = Sphaerophorus globosus
Lichen globosus Huds. = Sphaerophorus globosus
Lichen glomuliferus Lightf. = Lobaria amplissima
Lichen granulatus Huds. p.p. = Collema auriforme
Lichen granulatus Huds. p.p. = Leptogium plicatile
Lichen griffithii Sm. = Cliostomum griffithii
Lichen griseus Lam. = Physconia grisea
Lichen griseus Sw. ex Westr., non Lam. = Umbilicaria grisea
Lichen haematomma Ehrh., nom. illeg. = Haematomma ochroleucum
Lichen herbaceus Huds. = Lobaria virens
Lichen heteromallus Sm. = Pilonema heteromallum (Sm.) Nyl. {F}
Lichen hookeri Borrer ex Sm. = Pannaria hookeri
Lichen humilis With. = Cladonia humilis
Megalospora tuberculosa
Lichen inclusus Sm. = Thelotrema lepadinum
Lichen inquinans Sm. = Cyphelium inquinans
Lichen jacquinii J.F. Gmel. = ? Umbilicaria hyperborea or Umbilicaria proboscidea
Lichen lacerus With. = Ramalina lacera
Lichen laciniatus Huds. = Lobaria amplissima
Lichen lactucæfolius With. [orth. var.] = Peltigera sp., identity uncertain
Lichen lactucifolius With. = Peltigera sp., identity uncertain
Lichen lacustris With. = Ionaspis lacustris
Lobaria laetevirens Lightf. = Lobaria virens
Lichen laevigatus Sm. = Hypotrachyna laevigata
Lichen lanatus L. = Ephebe lanata
Lichen leucomelos L. = Heterodermia leucomela
Lichen lightfootii Sm. = Fuscidea lightfootii
Lichen limbatus Sm. = Sticta limbata
Lichen luridus Sw., non With. = Psora lurida
Lichen luridus With. = Dermatocarpon luridum
Lichen lutescens Hoffm. = Pertusaria flavida
Lichen lynceus Sm. = Lecanographa lyncea
Lichen madræporiformis With. [orth. var.] = Pycnothelia papillaria
Lichen madriporiformis With. = Pycnothelia papillaria
Lichen marginalis Huds. = Collema cristatum var. marginale
Lichen marginatus Bernh. = Collema crispum
Lichen melaleucus Sm. = Pertusaria pustulata
Lichen melanocarpus Sw. = Bunodophoron melanocarpum
Lichen membranaceus Dicks. = Lepraria membranacea
Lichen microcephalus Sm. = Sphinctrina anglica {LF}
Lichen microphyllus Sm. (1807), non Lilj. (1792) = Cladonia peziziformis
Lichen microsticticus Sm. = Sclerococcum sphaerale {LF}
Lichen multifidus Dicks. (1793) = Arctoparmelia incurva
Lichen multifidus Scop. (1772) = Collema cristatum var. marginale
Lichen multipunctus (Turner) Sm. = Pertusaria multipuncta
Lichen niger Huds. = Placynthium nigrum
Lichen nigrescens Huds. = Collema nigrescens
Lichen obscurus Sm. & Sowerby (1807), non Ach. = Enterographa crassa
Lichen obscurus sensu With. (1796) = Anaptychia runcinata
Lichen orbicularis With., non Neck. = Physconia distorta
Lichen parasiticus Sm. (1808), non Hoffm. (1784) = Abrothallus parmeliarum {LF}
Lichen pellitus Ach. = Umbilicaria polyrrhiza
Lichen perforatus sensu Sm. (1812) p.p. = Parmotrema crinitum
Lichen perforatus sensu Sm. (1812) p.p. = Parmotrema reticulatum
Lichen perlatus Huds. = Parmotrema perlatum
Lichen peronellus Ach. = Sclerophora peronella
Lichen pezizæformis With. = Cladonia peziziformis
Lichen peziziformis With. [orth. var.] = Cladonia peziziformis
Lichen phaeocephalus Turner = Chaenotheca phaeocephala
Lichen pityreus Ach. = Physconia grisea
Lichen plumbosus Sm. = Verrucaria caerulea
Lichen pollinarius Westr. = Ramalina pollinaria
Lichen pollinarius sensu Sm. = Ramalina lacera
Lichen polydactylos With. [orth. var.] = Peltigera hymenina
Lichen polydactylus With., non Neck. = Peltigera hymenina
Lichen polymorphos With. [orth. var.] = Cladonia foliacea
Lichen polymorphus Ach., non With. = Ramalina polymorpha
Lichen polymorphus With. = Cladonia foliacea
Lichen polyphyllus L. = Umbilicaria polyphylla
Lichen polyrrhizos L. = Umbilicaria polyrrhiza
Lichen proboscideus L. = Umbilicaria proboscidea
Lichen proboscideus sensu Huds., non L. = Umbilicaria cylindrica
Lichen pubescens L. = Pseudephebe pubescens
Lichen pubescens auct. p.p. = Ephebe lanata
Lichen pullus Lightf. (1777) = Anaptychia runcinata
Lichen pullus Wulfen = Umbilicaria proboscidea
Lichen pulmonarius L. = Lobaria pulmonaria
Lichen pulposus Bernh., nom. illeg., sensu auct. p.max.p = Collema tenax
Lichen pustulatus L. = Lasallia pustulata
Lichen ramulosus With. = Cladonia ramulosa
Lichen rosellus sensu Sm. = Lecanora albella
Lichen rubiginosus Ach. = Pannaria rubiginosa
Lichen rufescens With. = Ophioparma ventosa
Lichen runcinatus With. = Anaptychia runcinata
Lichen saccatus L. = Solorina saccata
Lichen scaber Huds. = ? Pseudephebe pubescens
Lichen scopulorum Retz. = Ramalina siliquosa
Lichen scriptus L. = Graphis scripta
Lichen scrobiculatus Scop. = Lobaria scrobiculata
Lichen scrobiculatus With. = Lobaria scrobiculata
Lichen scutelliferus With. = Tornabea scutellifera
Lichen sepincola sensu Dicks. (1793) = Tuckermanopsis chlorophylla
Lichen siliquosus Huds. = Ramalina siliquosa
Lichen sinuatus Huds. = Leptogium gelatinosum
Lichen sinuosus Sm. = Hypotrachyna sinuosa
Lichen sparassus (Ach.) Sm. = Cladonia squamosa var. squamosa
Lichen speireus auct. brit. = Rhizocarpon umbilicatum
Lichen spongiosus Sm. (1804), non Scop. (1772) = Solorina spongiosa
Lichen spongiosus With., non Scop. = Sticta canariensis
Lichen spurius Ach. = Peltigera didactyla
Lichen stictoceros Sm. & Sowerby = Evernia prunastri
Lichen sulphureus Hoffm. = Lecanora sulphurea
Lichen terrestris Sm. (1807) = Thrombium epigaeum
Lichen tessellatus Sm. = Verrucaria sp.
Lichen thelostomus (Ach. ex J. Harriman) Sm. = Thrombium thelostomum
Lichen tigillaris Ach. = Cyphelium tigillare
Lichen torrefactus Lightf. = Umbilicaria torrefacta
Lichen trabinellus sensu Sm., non (Ach.) Sm. = Chaenotheca phaeocephala
Lichen tricolor With. = ? Opegrapha sp. or Hysterium pulicare Pers. {F}
Lichen tuberculosus Sm. (1807), non Hoffm. (1784) = Aspicilia tuberculosa
Lichen tumidulus Sm. = Toninia tumidula
Lichen turneri Sm. = Ochrolechia turneri
Lichen velleus sensu Huds., non L. = Umbilicaria vellea;
incorrectly reported from the British Isles
Lichen verruculosus Sm. = Buellia aethalea
Lichen verrucosus Huds. = Lobaria scrobiculata
Lichen verrucosus With. = Umbilicaria torrefacta
Lichen virellus Ach. = Phaeophyscia orbicularis
Lichen virens With. = Lobaria virensv
Lichen vitellinus Hoffm. = Candelariella vitellina
Lichen vulpinus auct. brit., non L. = Teloschistes flavicans
Lichenochora thallina (Cooke) Hafellner = Lichenochora obscuroides {LF}
Lichenoconium imbricariae (Allesch.) Keissl. = Lichenoconium usneae {LF}
Lichenoconium jaapii (Died.) Petr. & Syd. = Lichenoconium usneae {LF}
Lichenoconium lecanoracearum auct. brit. = Lichenoconium lecanorae {LF}
Lichenoconium parasiticum D. Hawksw. = Lichenoconium lecanorae {LF}
Lichenoconium pertusariicola (Nyl.) D. Hawksw. = Laeviomyces pertusariicola {LF}
%Lichenodiplis opegraphae (D. Hawksw.) Diederich {LF} = Laeviomyces opegraphae (LF}
%Lichenodiplis pertusariicola (Nyl.) Diederich {LF} = Laeviomyces pertusariicola (LF}
Lichenomyces lichenum (Sommerf. ex Nyl.) = Plectocarpon lichenum {LF}
Lichenosticta podetiicola Zopf = Lichenosticta alcicornaria {LF}
Lichina pumila (Huds.) Gray = Lichina pygmaea
Lichina pumila sensu Gray, non (Huds.) Gray = Lichina confinis
Lichina pygmaea var. minor (Turner) Hook. = Lichina confinis
Lichiniza kenmorensis (Nyl.) Nyl. = Porocyphus kenmorensis
Lithocia glaucina sensu Gray (1821) = Verrucaria polysticta
Lithocia plumbea (Ach.) Gray = Verrucaria caerulea
Lithographa andrewii Stirt. = Geltingia associata {LF}
Lithographa cerebrina (DC.) Leight. = Poeltinula cerebrina
Lithographa dendrographa Nyl. = Wadeana dendrographa
Lithographa larbalestieri Leight. = Lecidella asema
Lithographa flexella (Ach.) Zahlbr. = Elixia flexella
Lithographa petraea (Ach.) Nyl. = Lithographa tesserata
Lithographa petraea sensu A.L. Sm. (1911) = ? Polysporina sp.
Lithographa tesserata var. petraea (Ach.) Redinger = Lithographa tesserata
Llimoniella groenlandiae (Alstrup & D. Hawksw.) Triebel & Hafellner = Unguiculariopsis groenlandiae {LF}
Llimoniella neglecta (Vain.) Triebel & Rambold = Rhymbocarpus neglectus {LF}
Llimoniella pubescens Etayo & Diederich = Rhymbocarpus pubescens {LF}
Lobaria laciniata (Huds.) Vain. = Lobaria amplissima
Lobaria laetevirens Zahlbr. = Lobaria virens
Lobaria linita auct. brit. = Lobaria pulmonaria
Lobaria pulmonaria f. hypomela (Delise) Cromb. = Lobaria pulmonaria
Lobaria verrucosa (Huds.) Hoffm. = Lobaria scrobiculata
Lobarina scrobiculata (Scop.) Nyl. = Lobaria scrobiculata
%Lobothallia melanaspis (Nyl.) Hafellner = Aspicilia melanaspis
%Lobothallia radiosa (Hoffm.) Hafellner = Aspicilia radiosa
Lopadium fecundum Th. Fr. = Schadonia fecunda
Lopadium fuscoluteum (Dicks.) Mudd = Brigantiaea fuscolutea
Lopadium pezizoideum var. muscicola (Sommerf.) Th. Fr. = Lopadium pezizoideum
#Lopadium pezizoideum auct. p.p. [lowland, corticolous] = Lopadium disciforme
Lopadium sociale Körb. = Schadonia fecunda
Lopidia bacidioides Vêzda ad int. = Fellhaneropsis vezdae
Lophothelium acervatum Stirt. = Polycoccum trypethelioides {LF}
Lopidia bacidioides Vêzda ad int. = Fellhaneropsis vezdae