Genus with author	Name	Remark
Abrothallus De Not.
	Abrothallus bertianus De Not.
	Abrothallus caerulescens Kotte
	Abrothallus parmeliarum (Sommerf.) Arnold
	Abrothallus peyritschii (Stein) Kotte
	Abrothallus prodiens (Harm.) Diederich & Hafellner
	Abrothallus suecicus (Kirscht.) Nordin
	Abrothallus usneae Rabenh.
Number of taxa:	7
Absconditella Vězda
	Absconditella celata Döbbeler & Poelt
	Absconditella delutula (Nyl.) Coppins & H. Kilias
	Absconditella lignicola Vězda & Pišút
	Absconditella sphagnorum Vězda & Poelt
Number of taxa:	4
Acarospora A. Massal.
	Acarospora cervina A. Massal.
	Acarospora fuscata (Nyl.) Arnold
	Acarospora glaucocarpa (Ach.) Körb.
	Acarospora heppii (Nägeli ex Hepp) Nägeli
	Acarospora insolata H. Magn.
	Acarospora macrospora (Hepp) A. Massal. ex Bagl.
	Acarospora oligospora (Nyl.) Arnold
	Acarospora sinopica (Wahlenb.) Körb.
	Acarospora smaragdula (Wahlenb.) A. Massal.
	Acarospora veronensis A. Massal.
	Acarospora versicolor Bagl. & Carestia
Number of taxa:	11
Acremonium Link
	Acremonium antarcticum (Speg.) D. Hawksw.
Number of taxa:	1
Acrocordia A. Massal.
	Acrocordia cavata (Ach.) R.C. Harris
	Acrocordia conoidea (Fr.) Körb.
	Acrocordia gemmata (Ach.) A. Massal.
	Acrocordia salweyi (Keight. Ex Nyl.) A.L. Sm.
Number of taxa:	4
Adelococcus Theiss. & Syd.
	Adelococcus alpestris (Zopf) Zopf ex Arnold
Number of taxa:	1
Adelolecia Hertel & Hafellner
	Adelolecia kolaënsis (Nyl.) Hertel & Rambold
Number of taxa:	1
Agonimia Zahlbr.
	Agonimia allobata (Stizenb.) P. James
	Agonimia gelatinosa (Ach.) M. Brand & Diederich	earlier under Polyblastia gelatinosa (Ach.) Th. Fr.
	Agonimia globulifera M. Brand & Diederich
	Agonimia tristicula (Nyl.) Zahlbr.
Number of taxa:	4
Alectoria Ach.
	Alectoria sarmentosa (Ach.) Ach.
Number of taxa:	1
Amandinea M. Choisy ex Scheid. & H. Mayrhofer
	Amandinea cacuminum (Th. Fr.) H. Mayrhofer & Sheard	earlier under Rinodina cacuminum (Th. Fr.) Malme
	Amandinea coniops (Wahlenb.) Scheid. & H. Mayrhofer
	Amandinea punctata (Hoffm.) Coppins & Scheid.
Number of taxa:	3
Amygdalaria Norman
	Amygdalaria panaeola (Ach.) Hertel & Brodo
Number of taxa:	1
Anaptychia Körb.
	Anaptychia ciliaris (L.) Körb. var. ciliaris
	Anaptychia ciliaris var. melanosticta (Ach.) Boistel
	Anaptychia runcinata (With.) J.R. Laundon
Number of taxa:	3
Anisomeridium (Müll. Arg.) M. Choisy
	Anisomeridium biforme (Borrer) R.C. Harris
	Anisomeridium polypori (Ellis & Everh.) M.E. Barr
Number of taxa:	2
Arctoparmelia Hale
	Arctoparmelia centrifuga (L.) Hale
	Arctoparmelia incurva (Pers.) Hale
Number of taxa:	2
Arthonia Ach.
	Arthonia apatetica (A. Massal.) Th. Fr.
	Arthonia byssacea (Weigel) Almq.
	Arthonia caerulescens (Almq.) R. Sant.
	Arthonia cinnabarina (DC.) Wallr.
	Arthonia didyma Körb.
	Arthonia digitatae Hafellner
	Arthonia dispersa (Schrad.) Nyl.
	Arthonia epiphyscia Nyl.
	Arthonia farinacea (H. Olivier) R. Sant.
	Arthonia galactinaria Leight.
	Arthonia glaucomaria Nyl.	see: Arthonia varians
	Arthonia incarnata Almq.
	Arthonia intexta Almq.
	Arthonia lapidicola (Taylor) Branth. & Rostr.
	Arthonia leucopellaea (Ach.) Almq.
	Arthonia ligniaria Hellb.
	Arthonia mediella Nyl.
	Arthonia muscigena Th. Fr.
	Arthonia patellulata Nyl.
	Arthonia punctiformis Ach.
	Arthonia radiata (Pers.) Ach.
	Arthonia ruana A. Massal.	see: Arthothelium ruanum
	Arthonia spadicea Leight.
	Arthonia varians (Davies) Nyl.	earlier under Arthonia glaucomaria Nyl.
	Arthonia vinosa Leight.
Number of taxa:	25
Arthopyrenia A. Massal.
	Arthopyrenia analepta Anzi	earlier under Arthopyrenia lapponina Anzi
	Arthopyrenia antecellens (Nyl.) Arnold	see: Mycoporum antecellens
	Arthopyrenia cerasi (Schrad.) A. Massal.
	Arthopyrenia cinereopruinosa (Schaer.) A. Massal.
	Arthopyrenia grisea (Schleich. ex Schaer.) Körb.
	Arthopyrenia lapponina Anzi	see: Arthopyrenia analepta
	Arthopyrenia punctiformis (Pers.) A. Massal.	see: Naetrocymbe punctiformis
	Arthopyrenia rhyponta (Ach.) A. Massal.	see: Naetrocymbe rhyponta
Number of taxa:	8
Arthothelium A. Massal.
	Arthothelium ruanum (A. Massal.) Körb.	earlier under Arthonia ruana
	Arthothelium scandinavicum Th. Fr.
	Arthothelium spectabile Flot. ex A. Massal.
Number of taxa:	3
Arthrorhaphis Th. Fr.
	Arthrorhaphis aeruginosa R. Sant. & Tønsberg
	Arthrorhaphis citrinella (Ach.) Poelt
Number of taxa:	2
Arthrosporum Th. Fr.
	Arthrosporum populorum A. Massal.
Number of taxa:	1
Aspicilia A. Massal.
	Aspicilia caesiocinerea (Nyl. ex Malbr.) Arnold	see: Circinaria caesiocinerea
	Aspicilia calcarea (L.) Mudd	see: Circinaria calcarea
	Aspicilia cinerea (L.) Körb.	includes earlier misidentifications of Aspicilia simoënsis Räsänen and Bellemerea alpina (Sommerf.) Clauzade & Cl. Roux
	Aspicilia contorta (Hoffm.) Kremp. ssp. contorta	see: Circinaria contorta ssp. contorta
	Aspicilia contorta ssp. hoffmanniana S. Ekman & Fröberg	see: Circinaria contorta ssp. hoffmanniana
	Aspicilia gibbosa (Ach.) Körb.	see: Circinaria gibbosa
	Aspicilia grisea Arnold	includes Aspicilia insolata (H. Magn.) Hav.
	Aspicilia insolata (H. Magn.) Hav.	included in Aspicilia grisea Arnold
	Aspicilia laevata (Ach.) Arnold
	Aspicilia leprosescens (Sandst.) Hav.	see: Circinaria leprosescens
	Aspicilia moenium (Vain.) G. Thor & Timdal	see: Acarospora moenium
	Aspicilia obscurata (Fr.) Arnold
	Aspicilia simoënsis Räsänen	excluded as misidentification: re-identified as Aspicilia cinerea
	Aspicilia verrucigera Hue
	Aspicilia xyloxena (H. Magn.) Vitik., Ahti, Kuusinen, Lommi & T. Ulvinen	see: Aspicilia zonata
Number of taxa:	15
Athelia Pers. emend. Donk
	Athelia arachnoidea (Berk.) Jülich
Number of taxa:	1
Bachmanniomyces D. Hawksw.
	Bachmanniomyces uncialicola (Zopf) D. Hawksw.
Number of taxa:	1
Bacidia De Not.
	Bacidia adastra Sparrius & Aptroot
	Bacidia arceutina (Ach.) Arnold
	Bacidia bagliettoana (A. Massal. & De Not.) Jatta
	Bacidia beckhausii Körb.
	Bacidia biatorina (Körb.) Vain.
	Bacidia caligans (Nyl.) A.L. Sm.
	Bacidia circumspecta (Nyl.) Malme
	Bacidia fraxinea Lönnr.
	Bacidia fuscoviridis (Anzi) Lettau
	Bacidia globulosa (Flörke) Hafellner & V. Wirth	see: Biatora globulosa
	Bacidia herbarum (Stizenb.) Arnold
	Bacidia incompta (Borrer ex Hook.) Anzi
	Bacidia laurocerasi (Delise ex Duby) Zahlbr.
	Bacidia polychroa (Th. Fr.) Körb.
	Bacidia pycnidiata Czarnota & Coppins
	Bacidia rubella (Hoffm.) A. Massal.
	Bacidia sabuletorum (Schreb.) Lettau	see: Bilimbia sabuletorum
	Bacidia subincompta (Nyl.) Arnold
	Bacidia vermifera (Nyl.) Th. Fr.
Number of taxa:	19
Bacidina Vězda
	Bacidina arnoldiana (Körb.) V. Wirth & Vězda
	Bacidina chloroticula (Nyl.) Vězda & Poelt
	Bacidina egenula (Nyl.) Vězda
	Bacidina inundata (Fr.) Vězda
	Bacidina phacodes (Körb.) Vězda
Number of taxa:	5
Bactrospora A. Massal.
	Bactrospora dryina (Ach.) A. Massal.
Number of taxa:	1
Baeomyces Pers.: Fr.
	Baeomyces carneus Flörke
	Baeomyces placophyllus Ach.	excluded as misidentification: re-identified as Baeomyces rufus
	Baeomyces rufus (Huds.) Rebent.	includes earlier misidentification of Baeomyces placophyllus Ach.
Number of taxa:	3
Bagliettoa A. Massal.
	Bagliettoa steineri (Kušan) Vězda
Number of taxa:	1
Bellemerea Hafellner & Cl. Roux
	Bellemerea alpina (Sommerf.) Clauzade & Cl. Roux	excluded as misidentification: re-identified as Aspicilia cinerea and Lobothallia radiosa
	Bellemerea cinereorufescens (Ach.) Clauzade & Cl. Roux
Number of taxa:	2
Biatora Fr.
	Biatora chrysantha (Zahlb.) Printzen
	Biatora efflorescens (Hedl.) Räsänen
	Biatora globulosa (Flörke) Fr.	earlier under Lecania hyalina (Fr.) R. Sant. and Bacidia globulosa (Flörke) Hafellner & V. Wirth
	Biatora helvola Körb.
	Biatora ocelliformis (Nyl.) Arnold
	Biatora sphaeroidiza (Vain.) Printzen & Holien
	Biatora vernalis (L.) Fr.
Number of taxa:	7
Biatoridium J. Lahm
	Biatoridium delitescens (Arnold) Hafellner
	Biatoridium monasteriense J. Lahm ex Körb.
Number of taxa:	2
Biatoropsis Räsänen
	Biatoropsis usnearum Räsänen
Number of taxa:	1
Bilimbia De Not.
	Bilimbia lobulata (Sommerf.) Hafellner & Coppins	earlier under Mycobilimbia lobulata (Sommerf.) Hafellner
	Bilimbia microcarpa (Th. Fr.) Th. Fr.	earlier under Mycobilimbia microcarpa (Th. Fr.) Lettau
	Bilimbia sabuletorum (Schreb.) Arnold	earlier under Bacidia sabuletorum (Schreb.) Lettau and Mycobilimbia sabuletorum (Schreb.) Hafellner
Number of taxa:	3
Bispora Corda
	Bispora christiansenii D. Hawksw.	see: Intralichen christiansenii
	Bispora lichenum Diederich	see: Intralichen lichenum
Number of taxa:	2
Bryoria Brodo & D. Hawksw.
	Bryoria bicolor (Ehrh.) Brodo & D. Hawksw.
	Bryoria capillaris (Ach.) Brodo & D. Hawksw.
	Bryoria chalybeiformis (L.) Brodo & D. Hawksw.
	Bryoria furcellata (Fr.) Brodo & D. Hawksw.
	Bryoria fuscescens (Gyeln.) Brodo & D. Hawksw.
	Bryoria implexa (Hoffm.) Brodo & D. Hawksw.
	Bryoria intricans (Vain.) Brodo & D. Hawksw.	included in Bryoria chalybeiformis (L.) Brodo & D. Hawksw.
	Bryoria nadvornikiana (Gyeln.) Brodo & D. Hawksw.
	Bryoria simplicior (Vain.) Brodo & D. Hawksw.
	Bryoria subcana (Nyl. ex Stizenb.) Brodo & D. Hawksw.
Number of taxa:	10
Buellia De Not.
	Buellia aethalea (Ach.) Th. Fr.
	Buellia arborea Coppins & Tønsberg
	Buellia arnoldii Servít
	Buellia badia (Fr.) A. Massal.
	Buellia disciformis (Fr.) Mudd
	Buellia erubescens Arnold
	Buellia griseovirens (Turner & Borrer ex Sm.) Almb.
	Buellia insignis (Nägeli ex Hepp) Th. Fr.
	Buellia pharcidia (Ach.) Malme	see: Diplotomma pharcidium
	Buellia schaereri De Not.
	Buellia subdispersa Mig.	see: Diplotomma lutosum
	Buellia violaceofusca G. Thor & Muhr
Number of taxa:	12
Buelliella Fink
	Buelliella lecanorae Suija & Alstrup
Number of taxa:	1
Byssoloma Trevis.
	Byssoloma subdiscordans (Nyl.) P. James
Number of taxa:	1
Calicium Pers.
	Calicium abietinum Pers.
	Calicium adspersum Pers.
	Calicium denigratum (Vain.) Tibell	excluded as misidentification: re-identified as Calicium glaucellum
	Calicium glaucellum Ach.	includes earlier misidentification of Calicium denigratum (Vain.) Tibell
	Calicium parvum Tibell
	Calicium pinastri Tibell
	Calicium quercinum Pers.
	Calicium salicinum Pers.
	Calicium trabinellum (Ach.) Ach.
	Calicium viride Pers.
Number of taxa:	10
Caloplaca Th. Fr.
	Caloplaca alociza (A. Massal.) Mig.	see: Pyrenodesmia alociza
	Caloplaca ammiospila (Wahlenb.) H. Olivier	see: Blastenia ammiospila
	Caloplaca atroflava (Turner) Mong.
	Caloplaca biatorina (A. Massal.) J. Steiner	see: Calogaya biatorina
	Caloplaca cerina (Ehrh. ex Hedw.) Th. Fr.
	Caloplaca cerinella (Nyl.) Flagey	see: Athalia cerinella
	Caloplaca cerinelloides (Erichsen) Poelt	see: Athalia cerinelloides
	Caloplaca chalybaea (Fr.) Müll. Arg.	see: Pyrenodesmia chalybaea
	Caloplaca chlorina (Flot.) Sandst.
	Caloplaca chrysodeta (Vain. ex Räsänen) Dombr.	see: Leproplaca chrysodeta
	Caloplaca chrysophthalma Degel.	see: Solitaria chrysophthalma
	Caloplaca citrina (Hoffm.) Th. Fr.	see: Flavoplaca citrina
	Caloplaca coronata (Kremp. ex Körb.) J. Steiner	excluded as misidentification: re-identified as Flavoplaca dichroa
	Caloplaca crenularia (With.) J.R. Laundon	see: Blastenia crenularia
	Caloplaca crenulatella (Nyl.) H. Olivier	see: Xanthocarpia crenulatella
	Caloplaca decipiens (Arnold) Blomb. & Forssell	see: Calogaya decipiens
	Caloplaca dolomiticola (Hue) Zahlbr.	see: Variospora dolomiticola
	Caloplaca erythrocarpa (Pers.) Zwackh
	Caloplaca ferruginea (Huds.) Th. Fr.	see: Blastenia ferruginea
	Caloplaca flavorubescens (Huds.) J.R. Laundon	see: Gyalolechia flavorubescens
	Caloplaca grimmiae (Nyl.) H. Olivier
	Caloplaca herbidella (Hue) H. Magn.	see: Blastenia herbidella
	Caloplaca holocarpa (Hoffm.) A.E. Wade	includes earlier misidentification of Xanthoria lobulata; see: Athalia holocarpa
	Caloplaca hungarica H. Magn.	earlier under Caloplaca subathallina H. Magn.
	Caloplaca jungermanniae (Vahl) Th. Fr.	see: Bryoplaca jungermanniae
	Caloplaca lactea (A. Massal.) Zahlbr.	see: Xanthocarpia lactea
	Caloplaca lucifuga G. Thor
	Caloplaca marina (Wedd.) Zahlbr.	see: Flavoplaca marina
	Caloplaca microthallina (Wedd.) Zahlbr.	see: Flavoplaca microthallina
	Caloplaca obscurella (Körb.) Th. Fr.
	Caloplaca rubelliana (Ach.) Lojka
	Caloplaca saxicola (Hoffm.) Nordin
	Caloplaca scopularis (Nyl.) H. Magn.	see: Athalia scopularis
	Caloplaca sinapisperma (Lam. & DC.) Maheu & Gillet	see: Bryoplaca sinapisperma
	Caloplaca subathallina H. Magn.	see: Caloplaca hungarica
	Caloplaca thallincola (Wedd.) Du Rietz	see: Variospora thallincola
	Caloplaca ulcerosa Coppins & P. James
	Caloplaca variabilis (Pers.) Müll. Arg.	see: Pyrenodesmia variabilis
	Caloplaca velana (A. Massal.) Du Rietz	see: Variospora velana
	Caloplaca verruculifera (Vain.) Zahlbr.	see: Polycauliona verruculifera
	Caloplaca vitellinula (Nyl.) H. Olivier	see: Athalia vitellinula
Number of taxa:	41
Candelaria A. Massal.
	Candelaria concolor (Dicks.) Stein
Number of taxa:	1
Candelariella Müll. Arg.
	Candelariella aurella (Hoffm.) Zahlbr.
	Candelariella coralliza (Nyl.) H. Magn.
	Candelariella kuusamoënsis Räsänen
	Candelariella reflexa (Nyl.) Lettau
	Candelariella superdistans (Nyl.) Malme
	Candelariella vitellina (Hoffm.) Müll. Arg.
	Candelariella xanthostigma (Ach.) Lettau
Number of taxa:	7
Capronia Sacc.
	Capronia peltigerae (Fuckel) D. Hawksw.
Number of taxa:	1
Carbonea (Hertel) Hertel
	Carbonea vitellinaria (Nyl.) Hertel
Number of taxa:	1
Catapyrenium Flot.
	Catapyrenium cinereum (Pers.) Körb.
	Catapyrenium pilosellum Breuss	see: Placidium pilosellum
	Catapyrenium rufescens (Ach.) Breuss	see: Placidium rufescens
	Catapyrenium squamulosum (Ach.) Breuss	see: Placidium squamulosum
Number of taxa:	4
Catillaria A. Massal.
	Catillaria aphana (Nyl.) Coppins	includes earlier misidentification of Catillaria cryptophila Th. Fr. & Almq.
	Catillaria chalybeia (Borrer) A. Massal.
	Catillaria cryptophila Th. Fr. & Almq.	excluded as misidentification: re-identified as Catillaria aphana
	Catillaria lenticularis (Ach.) Th. Fr.
	Catillaria minuta (A. Massal.) Lettau
	Catillaria nigroclavata (Nyl.) Schuler
Number of taxa:	6
Catinaria Vain.
	Catinaria atropurpurea (Schaer.) Vězda & Poelt
Number of taxa:	1
Cecidonia Triebel & Rambold
	Cecidonia umbonella (Nyl.) Triebel & Rambold
Number of taxa:	1
Cercidospora Körb.
	Cercidospora epipolytropa (Mudd) Arnold
	Cercidospora macrospora (Uloth) Hafellner & Nav.-Ros.
Number of taxa:	2
Cetraria Ach.
	Cetraria aculeata (Schreb.) Fr.
	Cetraria ericetorum Opiz
	Cetraria islandica ssp. crispiformis (Räsänen) Kärnefelt
	Cetraria islandica (L.) Ach. ssp. islandica
	Cetraria muricata (Ach.) Eckfeldt
	Cetraria sepincola (Ehrh.) Ach.
Number of taxa:	6
Cetrelia W.L. Culb. & C.F. Culb.
	Cetrelia cetrarioides (Delise ex Duby) W.L. Culb. & C.F. Culb.
	Cetrelia olivetorum (Nyl.) W.L. Culb. & C.F. Culb.
Number of taxa:	2
Chaenotheca (Th. Fr.) Th. Fr.
	Chaenotheca brachypoda (Ach.) Tibell
	Chaenotheca brunneola (Ach.) Müll. Arg.
	Chaenotheca chlorella (Ach.) Müll. Arg.
	Chaenotheca chrysocephala (Turner ex Ach.) Th. Fr.
	Chaenotheca cinerea (Pers.) Tibell
	Chaenotheca ferruginea (Turner & Borrer) Mig.
	Chaenotheca furfuracea (L.) Tibell
	Chaenotheca gracilenta (Ach.) Mattsson & Middelb.	earlier under Cybebe gracilenta (Ach.) Tibell
	Chaenotheca gracillima (Vain.) Tibell
	Chaenotheca hispidula (Ach.) Zahlbr.
	Chaenotheca laevigata Nádv.
	Chaenotheca phaeocephala (Turner) Th. Fr.
	Chaenotheca stemonea (Ach.) Müll. Arg.
	Chaenotheca subroscida (Eitner) Zahlbr.
	Chaenotheca trichialis (Ach.) Th. Fr.
	Chaenotheca xyloxena Nádv.
Number of taxa:	16
Chaenothecopsis Vain.
	Chaenothecopsis consociata (Nadv.) A.F.W. Schmidt
	Chaenothecopsis debilis (Sm.) Tibell
	Chaenothecopsis epithallina Tibell
	Chaenothecopsis haematopus Tibell
	Chaenothecopsis hospitans (Th. Fr.) Tibell
	Chaenothecopsis nana Tibell
	Chaenothecopsis nigra Tibell
	Chaenothecopsis pusilla (Ach.) A.F.W. Schmidt
	Chaenothecopsis pusiola (Ach.) Vain.
	Chaenothecopsis rubescens Vain.
	Chaenothecopsis savonica (Räsänen) Tibell
	Chaenothecopsis subparoica (Nyl.) Tibell
	Chaenothecopsis vainioana (Nadv.) Tibell
	Chaenothecopsis viridireagens (Nadv.) A F.W. Schmidt
Number of taxa:	14
Cheiromycina B. Sutton
	Cheiromycina petri D. Hawksw. & Poelt
	Cheiromycina reimeri Printzen
Number of taxa:	2
Chromatochlamys Trevis.
	Chromatochlamys muscorum (Fr.) H. Mayrhofer & Poelt
Number of taxa:	1
Chrysothrix Mont.
	Chrysothrix candelaris (L.) J.R. Laundon
	Chrysothrix chlorina (Ach.) J. R. Laundon
	Chrysothrix chrysophthalma (P. James) P. James & J.R. Laundon
	Chrysothrix flavovirens Tønsberg
Number of taxa:	4
Cladina Nyl.
	Cladina arbuscula (Wallr.) Hale & W.L. Culb.	see: Cladonia arbuscula (Wallr.) Flot.
	Cladina ciliata var. tenuis (Flörke) Ahti & M.J. Lai	see: Cladonia ciliata Stirt. var. tenuis (Flörke) Ahti
	Cladina mitis (Sandst.) Hustich	see: Cladonia mitis Sandst.
	Cladina portentosa (Dufour) Follmann	see: Cladonia portentosa (Dufour) Coem.
	Cladina rangiferina (L.) Nyl.	see: Cladonia rangiferina (L.) F.H. Wigg.
	Cladina stellaris (Opiz) Brodo	see: Cladonia stellaris (Opiz) Pouzar & Vězda
	Cladina stygia (Fr.) Ahti	see: Cladonia stygia (Fr.) Ruoss
Number of taxa:	7
Cladonia Hill ex P. Browne
	Cladonia acuminata (Ach.) Norrl.
	Cladonia bacillaris (Leight.) Arnold
	Cladonia bacilliformis (Nyl.) Glück
	Cladonia borealis S. Stenroos
	Cladonia botrytes (K.G. Hagen) Willd.
	Cladonia brevis (Sandst.) Sandst.
	Cladonia caespiticia (Pers.) Flörke
	Cladonia cariosa (Ach.) Spreng.
	Cladonia carneola (Fr.) Vain.
	Cladonia cenotea (Ach.) Schaer.
	Cladonia cervicornis (Ach.) Flot. ssp. cervicornis
	Cladonia cervicornis ssp. verticillata (Hoffm.) Ahti
	Cladonia chlorophaea (Flörke ex Sommerf.) Spreng.
	Cladonia coccifera (L.) Willd.
	Cladonia coniocraea (Flörke) Spreng.
	Cladonia convoluta (Lam.) Anders	included in Cladonia foliacea
	Cladonia cornuta (L.) Hoffm.
	Cladonia crispata var. cetrariiformis (Delise) Vain.
	Cladonia crispata (Ach.) Flot. var. crispata
	Cladonia cryptochlorophaea Asahina
	Cladonia cyanipes (Sommerf.) Nyl.
	Cladonia decorticata (Flörke) Spreng.
	Cladonia deformis (L.) Hoffm.
	Cladonia digitata (L.) Hoffm.
	Cladonia fimbriata (L.) Fr.
	Cladonia floerkeana (Fr.) Sommerf.
	Cladonia foliacea (Huds.) Willd.	includes Cladonia convoluta
	Cladonia furcata (Huds.) Schrad.
	Cladonia glauca Flörke
	Cladonia gracilis ssp. elongata (Wulfen) Vain.
	Cladonia gracilis (L.) Willd. ssp. gracilis
	Cladonia gracilis ssp. turbinata (Ach.) Ahti
	Cladonia grayi G. Merr. ex Sandst.
	Cladonia incrassata Flörke
	Cladonia macilenta Hoffm.
	Cladonia macroceras (Delise) Hav.
	Cladonia macrophylla (Schaer.) Stenh.
	Cladonia merochlorophaea Asahina
	Cladonia metacorallifera Asahina	see: Cladonia straminea (Sommerf.) Flörke
	Cladonia monomorpha Aptroot, Sipman & Herk	excluded as misidentification: re-identified as Cladonia pyxidata
	Cladonia norvegica Tønsberg & Holien
	Cladonia novochlorophaea (Sipman) Brodo & Ahti
	Cladonia ochrochlora Flörke
	Cladonia parasitica (Hoffm.) Hoffm.
	Cladonia phyllophora Hoffm.
	Cladonia pleurota (Flörke) Schaer.
	Cladonia pocillum (Ach.) Grognot
	Cladonia polydactyla (Flörke) Spreng.
	Cladonia pyxidata (L.) Hoffm.
	Cladonia ramulosa (With.) J.R. Laundon
	Cladonia rangiformis Hoffm.
	Cladonia rei Schaer.
	Cladonia scabriuscula (Delise) Nyl.
	Cladonia squamosa Hoffm.
	Cladonia subrangiformis Sandst.
	Cladonia subulata (L.) F.H. Wigg.
	Cladonia sulphurina (Michx.) Fr.
	Cladonia symphycarpia (Flörke) Fr.
	Cladonia turgida Hoffm.
	Cladonia uncialis ssp. biuncialis (Hoffm.) M. Choisy
	Cladonia uncialis (L.) F.H. Wigg. ssp. uncialis
Number of taxa:	61
Clauzadea Hafellner & Bellem.
	Clauzadea chondrodes (A. Massal.) Clauzade & Cl. Roux
	Clauzadea metzleri (Körb.) Clauzade & Cl. Roux ex D. Hawksw.
	Clauzadea monticola (Schaer.) Hafellner & Bellem.
Number of taxa:	3
Cliostomum Fr.
	Cliostomum corrugatum (Ach.) Fr.
	Cliostomum flavidulum Hafellner & Kalb
	Cliostomum griffithii (Sm.) Coppins
	Cliostomum leprosum (Räsänen) Holien & Tønsberg
Number of taxa:	4
Clypeococcum D. Hawksw.
	Clypeococcum cetrariae Hafellner
	Clypeococcum hypocenomycis D. Hawksw.
Number of taxa:	2
Collema Weber ex F.H. Wigg.
	Collema auriforme (With.) Coppins & J.R. Laundon	see: Lathagrium auriforme
	Collema bachmanianum (Fink) Degel.	see: Enchylium bachmanianum
	Collema crispum (Huds.) Weber ex F.H. Wigg.	see: Blennothallia crispa
	Collema cristatum (L.) Weber ex F.H. Wigg.	see: Lathagrium cristatum
	Collema flaccidum (Ach.) Ach.
	Collema fluviatile (Huds.) Steud.	see: Lathagrium dichotomum; earlier also under Collema dichotomum
	Collema fuscovirens (With.) J.R. Laundon	see: Lathagrium fuscovirens
	Collema limosum (Ach.) Ach.	see: Enchylium limosum
	Collema nigrescens (Huds.) DC.
	Collema occultatum Bagl.	see: Rostania occultata
	Collema parvum Degel.	see: Scytinium parvum
	Collema polycarpon Hoffm.	see: Enchylium polycarpon
	Collema subnigrescens Degel.
	Collema tenax (Sw.) Ach.	see: Enchylium tenax
	Collema undulatum Laurer ex Flot.	see: Lathagrium undulatum
Number of taxa:	15
Cornutispora Piroz.
	Cornutispora lichenicola D. Hawksw. & B. Sutton
Number of taxa:	1
Corticifraga D. Hawksw. & R. Sant.
	Corticifraga fuckelii (Rehm) D. Hawksw. & R. Sant.
Number of taxa:	1
Cybebe Tibell
	Cybebe gracilenta (Ach.) Tibell	see: Chaenotheca gracilenta
Number of taxa:	1
Cyphelium Ach.
	Cyphelium inquinans (Sm.) Trevis.
	Cyphelium lucidum (Th. Fr.) Th. Fr.
	Cyphelium notarisii (Tul.) Blomb. & Forssell
	Cyphelium sessile (Pers.) Trevis.
	Cyphelium tigillare (Ach.) Ach.
Number of taxa:	5
Cystocoleus Thwaites
	Cystocoleus ebeneus (Dillwyn) Thwaites
Number of taxa:	1
Dacampia A. Massal.
	Dacampia rufescentis (Vouaux) D. Hawksw.
Number of taxa:	1
Dactylospora Körb.
	Dactylospora homoclinella (Nyl.) Hafellner
	Dactylospora lobariella (Nyl.) Hafellner
	Dactylospora parasitica (Flörke) Zopf
Number of taxa:	3
Dermatocarpon Eschw.
	Dermatocarpon arnoldianum Degel.	included in Dermatocarpon miniatum
	Dermatocarpon leptophyllum (Ach.) K.G.W. Lång
	Dermatocarpon luridum (With.) J.R. Laundon
	Dermatocarpon meiophyllizum Vain.
	Dermatocarpon miniatum (L.) W. Mann	includes Dermatocarpon arnoldianum Degel.
Number of taxa:	5
Dibaeis Clem.
	Dibaeis baeomyces (L. f.) Rambold & Hertel
Number of taxa:	1
Didymellopsis (Sacc.) Clem. & Shear
	Didymellopsis collematum (J. Steiner) Grube & Hafellner
Number of taxa:	1
Dimerella Trevis.
	Dimerella lutea (Dicks.) Trevis.	see: Coenogonium luteum (Dicks.) Kalb & Lücking
	Dimerella pineti (Ach.) Vězda	see: Coenogonium pineti (Ach.) Lücking & Lumbsch
Number of taxa:	2
Diploschistes Norman
	Diploschistes muscorum (Scop.) R. Sant.
	Diploschistes scruposus (Schreb.) Norman
Number of taxa:	2
Diplotomma Flot.
	Diplotomma alboatrum (Hoffm.) Flot.	includes Diplotomma ambiquum (Ach.) Flagey and Diplotomma epipolium (Ach.) Arnold
	Diplotomma ambiquum (Ach.) Flagey	included in Diplotomma alboatrum
	Diplotomma epipolium (Ach.) Arnold	included in Diplotomma alboatrum
	Diplotomma lutosum (Ach.) Arnold	earlier under Buellia subdispersa Mig.
	Diplotomma pharcidium (Ach.) M. Choisy	earlier under Buellia pharcidia (Ach.) Malme
	Diplotomma venustum Körb.
Number of taxa:	6
Dirina Fr.
	Dirina massiliensis f. sorediata (Müll. Arg.) Tehler
Number of taxa:	1
Elixia Lumbsch
	Elixia flexella (Ach.) Lumbsch	earlier under Ptychocarpa flexella (Ach.) Coppins
Number of taxa:	1
Endocarpon Hedw.
	Endocarpon psorodeum (Nyl.) Blomb. & Forssell
	Endocarpon pusillum Hedw.
Number of taxa:	2
Endococcus Nyl.
	Endococcus exerrans Nyl.	includes earlier misidentification of Endococcus perpusillus Nyl.
	Endococcus nanellus Ohlert
	Endococcus perpusillus Nyl.	excluded as misidentification: re-identified as Endococcus exerrans
	Endococcus propinquus (Körb.) D. Hawksw.
	Endococcus protoblasteniae Diederich
	Endococcus rugulosus Nyl.
Number of taxa:	6
Eopyrenula R.C. Harris
	Eopyrenula leucoplaca (Wallr.) R.C. Harris
	Eopyrenula septemseptata Coppins
Number of taxa:	2
Epicladonia D. Hawksw.
	Epicladonia sandstedei (Zopf) D. Hawksw.
	Epicladonia stenospora (Harm.) D. Hawksw.
Number of taxa:	2
Epigloea Zukal
	Epigloea urosperma Döbbeler
Number of taxa:	1
Epilichen Clem
	Epilichen scabrosus (Ach.) Clem.
Number of taxa:	1
Evernia Ach.
	Evernia divaricata (L.) Ach.
	Evernia mesomorpha Nyl.
	Evernia prunastri (L.) Ach.
Number of taxa:	3
Farnoldia Hertel
	Farnoldia jurana (Schaer.) Hertel
Number of taxa:	1
Fellhanera Vězda
	Fellhanera bouteillei (Desm.) Vězda
	Fellhanera gyrophorica Sérus., Coppins, Diederich & Scheid.
	Fellhanera subtilis (Vezda) Diederich & Serus.
Number of taxa:	3
Fellhaneropsis Sérus. & Coppins
	Fellhaneropsis vezdae (Coppins & P. James) Sérus. & Coppins
Number of taxa:	1
Flavocetraria Kärnefelt & A. Thell
	Flavocetraria cucullata (Bellardi) Kärnefelt & A. Thell
	Flavocetraria nivalis (L.) Kärnefelt & A. Thell
Number of taxa:	2
Flavoparmelia Hale
	Flavoparmelia caperata (L.) Hale
Number of taxa:	1
Fulgensia A. Massal. & De Not.
	Fulgensia bracteata (Hoffm.) Räsänen	see: Gyalolechia bracteata
	Fulgensia fulgens (Sw.) Elenkin	see: Gyalolechia fulgens
Number of taxa:	2
Fuscidea V. Wirth & Vězda
	Fuscidea arboricola Coppins & Tønsberg
	Fuscidea cyathoides (Ach.) V. Wirth & Vězda
	Fuscidea lygaea (W. Mann) V. Wirth & Vězda
	Fuscidea praeruptorum (Du Rietz & H. Magn.) V. Wirth & Vězda
	Fuscidea pusilla Tønsberg
Number of taxa:	5
Fuscopannaria P.M. Jørg.
	Fuscopannaria leucophaea (Vahl) P.M. Jørg.	see: Vahliella leucophaea; earlier also under Pannaria leucophaea
Number of taxa:	1
Graphis Adans.
	Graphis scripta (L.) Ach.
Number of taxa:	1
Graphium Corda
	Graphium aphthosae Alstrup & D. Hawksw.
	Graphium samogiticum Motiej. & Alstrup
Number of taxa:	2
Gyalecta Ach.
	Gyalecta flotowii Körb.
	Gyalecta geoica (Wahlenb. ex Ach.) Ach.
	Gyalecta jenensis (Batch) Zahlbr.
	Gyalecta subclausa Anzi
	Gyalecta truncigena (Ach.) Hepp
	Gyalecta ulmi (Sw.) Zahlbr.
Number of taxa:	6
Haematomma A. Massal.
	Haematomma ochroleucum (Neck.) J.R. Laundon var. ochroleucum
	Haematomma ochroleucum var. porphyrium (Pers.) J.R. Laundon
Number of taxa:	2
Hertelidea Printzen & Kantvilas
	Hertelidea botryosa (Fr.) Printzen & Kantvilas	earlier under Lecidea botryosa (Fr.) Th. Fr.
Number of taxa:	1
Heterodermia Trevis.
	Heterodermia speciosa (Wulfen) Trevis.	excluded as misidentification: re-identified as Physcia caesia
Number of taxa:	1
Hobsonia Massee
	Hobsonia christiansenii B.L. Brady & D. Hawksw.	see: Illosporiopsis christiansenii
Number of taxa:	1
Homostegia Fuckel
	Homostegia piggotii (Berk. & Broome) P. Karst.
Number of taxa:	1
Hymenelia Kremp.
	Hymenelia carnosula (Arnold) Lutzoni	earlier under Ionaspis carnosula (Arnold) Arnold
	Hymenelia epulotica (Ach.) Lutzoni	earlier under Hymenelia prevostii (Duby) Kremp.
	Hymenelia heteromorpha (Kremp.) Lutzoni	earlier under Ionaspis heteromorpha (Kremp.) Arnold
	Hymenelia prevostii (Duby) Kremp.	see: Hymenelia epulotica
	Hymenelia rhodopis (Sommerf.) Lutzoni	earlier under Ionaspis rhodopis (Sommerf.) Blomb. & Forssell
Number of taxa:	5
Hyperphyscia Müll. Arg.
	Hyperphyscia adglutinata H. Mayrhofer & Poelt
Number of taxa:	1
Hypocenomyce M. Choisy
	Hypocenomyce anthracophila (Nyl.) P. James & Gotth. Schneid.	see: Carbonicola anthracophila
	Hypocenomyce caradocensis (Leigth. ex Nyl.) P. James & Gotth. Schneid.	see: Xylopsora caradocensis
	Hypocenomyce castaneocinerea (Räsänen) Timdal	see: Carbonicola myrmecina
	Hypocenomyce friesii (Ach.) P. James & Gotth. Schneid.	see: Xylopsora friesii
	Hypocenomyce praestabilis (Nyl.) Timdal	see: Pycnora praestabilis
	Hypocenomyce scalaris (Ach.) M. Choisy
	Hypocenomyce sorophora (Vain.) P. James & Poelt	see: Pycnora sorophora
Number of taxa:	7
Hypogymnia (Nyl.) Nyl.
	Hypogymnia farinacea Zopf
	Hypogymnia physodes (L.) Nyl.
	Hypogymnia tubulosa (Schaer.) Hav.
	Hypogymnia vittata (Ach.) Parrique
Number of taxa:	4
Icmadophila Trevis.
	Icmadophila ericetorum (L.) Zahlbr.
Number of taxa:	1
Illosporiopsis D. Hawksw.
	Illosporiopsis christiansenii (B.L. Brady & D. Hawksw.) D. Hawksw.	earlier under Hobsonia christiansenii B.L. Brady & D. Hawksw.
Number of taxa:	1
Illosporium C. Mart.
	Illosporium carneum Fr.
Number of taxa:	1
Imshaugia S.L.F. Meyer
	Imshaugia aleurites (Ach.) S.L.F. Meyer
Number of taxa:	1
Intralichen D. Hawksw. & M.S. Cole
	Intralichen christiansenii (D. Hawskw.) D. Hawksw. & M.S. Cole	earlier under Bispora christiansenii D. Hawksw.
	Intralichen lichenum (Diederich) D. Hawksw. & M.S. Cole	earlier under Bispora lichenum Diederich
Number of taxa:	2
Ionaspis Th. Fr.
	Ionaspis carnosula (Arnold) Arnold	see: Hymenelia carnosula
	Ionaspis heteromorpha (Kremp.) Arnold	see: Hymenelia heteromorpha
	Ionaspis rhodopis (Sommerf.) Blomb. & Forssell	see: Hymenelia rhodopis
Number of taxa:	3
Japewia Tønsberg
	Japewia subaurifera Muhr & Tønsberg
Number of taxa:	1
Karsteniomyces D. Hawksw.
	Karsteniomyces peltigerae (P. Karst.) D. Hawksw.
	Karsteniomyces tuberculosus Alstrup & D. Hawksw.
Number of taxa:	2
Laeviomyces D. Hawksw.
	Laeviomyces pertusariicola (Nyl.) D. Hawksw.	see: Lichenodiplis pertusariicola
Number of taxa:	1
Lasallia Mérat
	Lasallia pustulata (L.) Mérat
Number of taxa:	1
Lecanactis Körb.
	Lecanactis abietina (Ach.) Körb.
Number of taxa:	1
Lecania A. Massal.
	Lecania cuprea (A. Massal.) Van den Boom & Coppins
	Lecania cyrtella (Ach.) Th. Fr.	includes earlier misidentification of Lecanora sarcopidoides (A. Massal.) A.L. Sm.
	Lecania cyrtellina (Nyl.) Sandst.
	Lecania dubitans (Nyl.) A.L. Sm.
	Lecania erysibe (Ach.) Mudd
	Lecania fuscella (Schaer.) A. Massal.
	Lecania hyalina (Fr.) R. Sant.	see: Biatora globulosa
	Lecania koerberiana J. Lahm
	Lecania naegelii (Hepp) Diederich & Van den Boom
	Lecania nylanderiana A. Massal.
	Lecania proteiformis (A. Massal.) Arnold	see: Lecania sordida
	Lecania rabenhorstii (Hepp) Arnold
	Lecania sordida Reese Næsborg	earlier under Lecania proteiformis (A. Massal.) Arnold
	Lecania turicensis (Hepp) Müll. Arg.
Number of taxa:	14
Lecanora Ach.
	Lecanora achariana A.L. Sm.	see: Protoparmeliopsis achariana
	Lecanora albella (Pers.) Ach.
	Lecanora albellula Nyl.	earlier under Lecanora piniperda Körb.
	Lecanora albescens (Hoffm.) Branth & Rostr.
	Lecanora allophana Nyl.
	Lecanora andrewii de Lesd.
	Lecanora argentata (Ach.) Malme
	Lecanora argopholis (Ach.) Ach.
	Lecanora bicincta Ramond
	Lecanora cadubriae (A. Massal.) Hedl.
	Lecanora caesiosora Poelt
	Lecanora campestris (Schaer.) Hue
	Lecanora carpinea (L.) Vain.
	Lecanora cateilea (Ach.) A. Massal.
	Lecanora cenisia Ach.
	Lecanora chlarotera Nyl.
	Lecanora circumborealis Brodo & Vitik.
	Lecanora compallens Herk & Aptroot
	Lecanora conizaeoides Nyl. ex Cromb.
	Lecanora crenulata Hook.
	Lecanora dispersa (Pers.) Sommerf.
	Lecanora epibryon (Ach.) Ach.
	Lecanora expallens Ach.
	Lecanora flotoviana Spreng.
	Lecanora glabrata (Ach.) Malme
	Lecanora hagenii (Ach.) Ach.
	Lecanora helicopis (Wahlenb.) Ach.
	Lecanora hypoptoides (Nyl.) Nyl.
	Lecanora impudens Degel.
	Lecanora intricata (Ach.) Ach.
	Lecanora intumescens (Rebent.) Rabenh.
	Lecanora leptyrodes (Nyl.) Degel.
	Lecanora macrocyclos (H. Magn.) Degel.	see: Protoparmeliopsis macrocyclos
	Lecanora muralis (Schreb.) Rabenh.	see: Protoparmeliopsis muralis
	Lecanora norvegica Tønsberg
	Lecanora orosthea (Ach.) Ach.
	Lecanora perpruinosa Fröberg
	Lecanora phaeostigma (Körb.) Almb.
	Lecanora piniperda Körb.	see: Lecanora albellula
	Lecanora polytropa (Ehrh. ex Hoffm.) Rabenh.
	Lecanora populicola (DC.) Duby
	Lecanora pulicaris (Pers.) Ach.	includes earlier misidentification of Lecanora sorediata (Räsänen ex Vain.) Räsänen
	Lecanora rugosella Zahlbr.
	Lecanora rupicola (L.) Zahlbr.
	Lecanora saligna (Schrad.) Zahlbr.
	Lecanora salina H. Magn.
	Lecanora sambuci (Pers.) Nyl.
	Lecanora sarcopidoides (A. Massal.) A.L. Sm.	excluded as misidentification: re-identified as Lecania cyrtella
	Lecanora sorediata (Räsänen ex Vain.) Räsänen	excluded as misidentification: re-identified as Lecanora pulicaris
	Lecanora strobilina (Spreng.) Kieff.
	Lecanora subcarpinea Szatala
	Lecanora subintricata (Nyl.) Th. Fr.
	Lecanora sulphurea (Hoffm.) Ach.
	Lecanora swartzii (Ach.) Ach.
	Lecanora symmicta (Ach.) Ach.
	Lecanora thysanophora R.C. Harris
	Lecanora varia (Hoffm.) Ach.
	Lecanora xanthostoma Cl. Roux ex Fröberg	see: Lecanora semipallida H. Magn.
Number of taxa:	58
Lecidea Ach.
	Lecidea albofuscescens Nyl.
	Lecidea albohyalina (Nyl.) Th. Fr.
	Lecidea botryosa (Fr.) Th. Fr.	see: Hertelidea botryosa
	Lecidea confluens (Weber) Ach.
	Lecidea erythrophaea Flörke ex Sommerf.
	Lecidea fuscoatra (L.) Ach. var. fuscoatra
	Lecidea fuscoatra var. grisella (Flörke) Nyl.
	Lecidea hypopta Ach.
	Lecidea lapicida (Ach.) Ach. var. lapicida
	Lecidea lapicida var. pantherina Ach.
	Lecidea nylanderi (Anzi) Th. Fr.
	Lecidea plana (J. Lahm) Nyl.
	Lecidea sarcogynoides Körb.
	Lecidea symmictella Nyl.
	Lecidea tesselata Flörke
	Lecidea turgidula Fr.
Number of taxa:	16
Lecidella Körb.
	Lecidella carpathica Körb.
	Lecidella elaeochroma (Ach.) M. Choisy
	Lecidella euphorea (Flörke) Hertel
	Lecidella flavosorediata (Vezda) Hertel & Leuckert
	Lecidella scabra (Taylor) Hertel & Leuckert
	Lecidella stigmatea (Ach.) Hertel & Leuckert
	Lecidella subviridis Tønsberg
Number of taxa:	7
Lempholemma Körb.
	Lempholemma isidiodes (Nyl. ex Arnold) H. Magn.
	Lempholemma polyanthes (Bernh.) Malme
Number of taxa:	2
Lepraria Ach.
	Lepraria alpina (de Lesd.) Tretiach & Baruffo var. alpina	earlier under Lepraria cacuminum (A. Massal) Kümmerling & Leuckert
	Lepraria atlantica Orange
	Lepraria borealis Lohtander & Tønsberg
	Lepraria cacuminum (A. Massal) Kümmerling & Leuckert	see: Lepraria alpina var. alpina
	Lepraria crassissima (Hue) Lettau
	Lepraria eburnea J.R. Laundon	includes Lepraria frigida J.R. Laundon
	Lepraria elobata Tønsberg
	Lepraria frigida J.R. Laundon	included in Lepraria eburnea
	Lepraria incana (L.) Ach.
	Lepraria jackii Tønsberg
	Lepraria lobificans Nyl.
	Lepraria neglecta (Nyl.) Erichsen
	Lepraria umbricola Tønsberg
	Lepraria vouauxii (Hue) R.C. Harris	earlier under Leproloma vouauxii (Hue) J.R. Laundon
Number of taxa:	14
Leproloma Nyl. ex Cromb.
	Leproloma vouauxii (Hue) J.R. Laundon	see: Lepraria vouauxii
Number of taxa:	1
Leptogium (Ach.) Gray
	Leptogium aragonii Otálora	see: Scytinium aragonii
	Leptogium byssinum (Hoffm.) Nyl.	see: Epiphloea byssina (Hoffm.) Henssen & P.M. Jørg.
	Leptogium cyanescens (Rabenh.) Körb.
	Leptogium diffractum Körb.	see: Pseudoleptogium diffractum
	Leptogium gelatinosum (With.) J.R. Laundon	see: Scytinium gelatinosum
	Leptogium imbricatum P.M. Jørg.	see: Scytinium imbricatum
	Leptogium lichenoides (L.) Zahlbr.	see: Scytinium lichenoides
	Leptogium plicatile (Ach.) Leight.	see: Scytinium plicatile
	Leptogium pulvinatum (Hoffm.) Otálora	see: Scytinium pulvinatum
	Leptogium rivulare (Ach.) Mont.
	Leptogium saturninum (Dicks.) Nyl.
	Leptogium schraderi (Bernh.) Nyl.	see: Scytinium schraderi
	Leptogium subtile (Schrad.) Torss.	see: Scytinium subtile
	Leptogium tenuissimum (Dicks.) Körb.	see: Scytinium tenuissiumum
	Leptogium teretiusculum (Wallr.) Arnold	see: Scytinium teretiusculum
Number of taxa:	15
Leptorhaphis Körb.
	Leptorhaphis epidermidis (Ach.) Th. Fr.
	Leptorhaphis tremulae Körb.
Number of taxa:	2
Leucocarpia Vězda
	Leucocarpia dictyospora (Orange) R. Sant.
Number of taxa:	1
Libertiella Speg. & Roum
	Libertiella curvispora (Zopf) D. Hawksw. & Miadlikowska
Number of taxa:	1
Lichenochora Hafellner
	Lichenochora obscuroides (Linds.) Triebel & Rambold
Number of taxa:	1
Lichenoconium Petr. & Syd.
	Lichenoconium erodens M.S. Christ. & D. Hawksw.
	Lichenoconium lecanorae (Jaap) D. Hawksw.
	Lichenoconium pyxidatae (Oudem.) Petr. & Syd.
	Lichenoconium usneae (Anzi) D. Hawksw.
	Lichenoconium xanthoriae M.S. Christ.
Number of taxa:	5
Lichenodiplis Dyko & D. Hawksw.
	Lichenodiplis lecanorae (Vouaux) Dyko & D. Hawksw.
	Lichenodiplis pertusariicola (Nyl.) Diederich	earlier under Laeviomyces pertusariicola (Nyl.) D. Hawksw.
Number of taxa:	2
Lichenopeltella Höhn.
	Lichenopeltella cetrariicola (Nyl.) R. Sant.
	Lichenopeltella coppinsii Earland-Bennett & D. Hawksw.
	Lichenopeltella peltigericola (D. Hawksw.) R. Sant.
	Lichenopeltella ramalinae Etayo & Diederich
Number of taxa:	4
Lichenosticta Zopf
	Lichenosticta alcicornaria (Linds.) D. Hawksw.
Number of taxa:	1
Lichenostigma Hafellner
	Lichenostigma arctoparmeliae R. Sant. (ined.)
	Lichenostigma cosmopolites Hafellner & Calat.
	Lichenostigma rugosum G. Thor
Number of taxa:	3
Lobaria (Schreb.) Hoffm.
	Lobaria pulmonaria (L.) Hoffm.
	Lobaria scrobiculata (Scop.) DC.
Number of taxa:	2
Lobothallia (Clauzade & Cl. Roux) Hafellner
	Lobothallia radiosa (Hoffm.) Hafellner	includes earlier misidentifications of Bellemerea alpina (Sommerf.) Clauzade & Cl. Roux
Number of taxa:	1
Lopadium Körb.
	Lopadium disciforme (Flot.) Kullh.
Number of taxa:	1
Loxospora A. Massal.
	Loxospora elatina (Ach.) A. Massal.
Number of taxa:	1
Marchandiomyces Diederich & D. Hawksw.
	Marchandiomyces aurantiacus (Lasch) Diederich & Etayo
	Marchandiomyces corallinus (Roberge) Diederich & D. Hawksw.
Number of taxa:	2
Megalaria Hafellner
	Megalaria grossa (Pers. ex Nyl.) Hafellner
Number of taxa:	1
Megaspora (Clauzade & Cl. Roux) Hafellner & V. Wirth
	Megaspora verrucosa (Ach.) Hafellner & V. Wirth
Number of taxa:	1
Melanelia Essl.
	Melanelia commixta (Nyl.) A. Thell
	Melanelia disjuncta (Erichsen) Essl.
	Melanelia elegantula (Zahlbr.) Essl.	see: Melanohalea elegantula
	Melanelia exasperata (De Not.) Essl.	see: Melanohalea exasperata
	Melanelia exasperatula (Nyl.) Essl.	see: Melanohalea exasperatula
	Melanelia fuliginosa (Fr. ex Duby) Essl. ssp. fuliginosa	see: Melanelixia fuliginosa (Fr. ex Duby.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch
	Melanelia fuliginosa ssp. glabratula (Lamy) Coppins	see: Melanelixia glabratula (Lamy) Sandler & Arup
	Melanelia glabra (Schaer.) Essl.	see: Melanelixia glabra
	Melanelia hepatizon (Ach.) A. Thell
	Melanelia olivacea (L.) Essl.	see: Melanohalea olivacea
	Melanelia panniformis (Nyl.) Essl.
	Melanelia septentrionalis (Lynge) Essl.	see: Melanohalea septentrionalis
	Melanelia sorediata (Ach.) Goward & Ahti
	Melanelia stygia (L.) Essl.
	Melanelia subargentifera (Nyl.) Essl.	see: Melanelixia subargentifera
	Melanelia subaurifera (Nyl.) Essl.	see: Melanelixia subaurifera
Number of taxa:	16
Melanelixia O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch
	Melanelixia fuliginosa (Fr. ex Duby.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch ssp. fuliginosa	see: Melanelixia fuliginosa (Fr. ex Duby.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch
	Melanelixia fuliginosa ssp. glabratula (Lamy) J.R. Laundon	see: Melanelixia glabratula (Lamy) Sandler & Arup
	Melanelixia glabra (Schaer.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch	earlier under Melanelia glabra (Schaer.) Essl.
	Melanelixia subargentifera (Nyl.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch	earlier under Melanelia subargentifera (Nyl.) Essl.
	Melanelixia subaurifera (Nyl.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch	earlier under Melanelia subaurifera (Nyl.) Essl.
Number of taxa:	5
Melanohalea O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch
	Melanohalea elegantula (Zahlbr.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch	earlier under Melanelia elegantula (Zahlbr.) Essl.
	Melanohalea exasperata (De Not.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch	earlier under Melanelia exasperata (De Not.) Essl.
	Melanohalea exasperatula (Nyl.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch	earlier under Melanelia exasperatula (Nyl.) Essl.
	Melanohalea olivacea (L.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch	earlier under Melanelia olivacea (L.) Essl.
	Melanohalea septentrionalis (Lynge) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch	earlier under Melanelia septentrionalis (Lynge) Essl.
Number of taxa:	5
Melaspilea Nyl.
	Melaspilea gibberulosa (Ach.) Zwackh
Number of taxa:	1
Menegazzia A. Massal.
	Menegazzia terebrata (Hoffm.) A. Massal.
Number of taxa:	1
Merismatium Zopf
	Merismatium decolorans (Rehm ex Arnold) Triebel
	Merismatium heterophractum (Nyl.) Vouaux
Number of taxa:	2
Micarea Fr.
	Micarea anterior (Nyl.) Hedl.
	Micarea botryoides (Nyl.) Coppins
	Micarea byssacea (Th. Fr.) Czarnota, Guzow-Krzemińska & Coppins
	Micarea cinerea (Schaer.) Hedl.
	Micarea denigrata (Fr.) Hedl.
	Micarea elachista (Körb.) Coppins & R. Sant.
	Micarea erratica (Körb.) Hertel, Rambold & Pietschm.
	Micarea hedlundii Coppins
	Micarea lignaria (Ach.) Hedl.
	Micarea lutulata (Nyl.) Coppins
	Micarea melaena (Nyl.) Hedl.
	Micarea melaeniza Hedl.
	Micarea melanobola (Nyl.) Coppins
	Micarea micrococca (Körb.) Gams ex Coppins
	Micarea misella (Nyl.) Hedl.
	Micarea myriocarpa V. Wirth & Vězda ex Coppins
	Micarea nitschkeana (Lahm ex Rabenh.) Harm.
	Micarea peliocarpa (Anzi) Coppins & R. Sant.
	Micarea prasina Fr.
	Micarea sylvicola (Flot.) Vězda & V. Wirth
	Micarea ternaria (Nyl.) Vězda
	Micarea tomentosa Czarnota & Coppins
	Micarea turfosa (A. Massal.) Du Rietz
Number of taxa:	23
Microcalicium Vain. emend. Tibell
	Microcalicium ahlneri Tibell
	Microcalicium arenarium (Hampe ex A. Massal.) Tibell
	Microcalicium disseminatum (Ach.) Vain.
Number of taxa:	3
Milospium D. Hawksw.
	Milospium lacoizquetae Etayo & Diederich
Number of taxa:	1
Miriquidica Hertel & Rambold
	Miriquidica deusta (Stenh.) Hertel & Rambold
Number of taxa:	1
Monodictys S. Hughes
	Monodictys anaptychiae (Lindau) D. Hawksw.
	Monodictys cellulosa S. Hughes
	Monodictys epilepraria Kukwa & Diederich
	Monodictys fuliginosa Etayo
Number of taxa:	4
Muellerella Hepp ex Müll. Arg.
	Muellerella hospitans Stizenb.
	Muellerella lichenicola (Sommerf.) D. Hawksw.
	Muellerella polyspora Hepp ex Müll. Arg.
	Muellerella pygmaea (Körb.) D. Hawksw. var. pygmaea
Number of taxa:	4
Multiclavula R.H. Petersen
	Multiclavula mucida (Pers.) R.H. Petersen
	Multiclavula vernalis (Schwein.) R.H. Petersen
Number of taxa:	2
Mycobilimbia Rehm
	Mycobilimbia berengeriana (A. Massal.) Hafellner & V. Wirth
	Mycobilimbia carneoalbida (Müll. Arg.) S. Ekman & Printzen
	Mycobilimbia epixanthoides (Nyl.) Vitik., Ahti, Kuusinen, Lommi & T. Ulvinen
	Mycobilimbia hypnorum (Lib.) Kalb & Hafellner
	Mycobilimbia lobulata (Sommerf.) Hafellner	see: Bilimbia lobulata
	Mycobilimbia microcarpa (Th. Fr.) Lettau	see: Bilimbia microcarpa
	Mycobilimbia pilularis (Körb.) Hafellner & Türk
	Mycobilimbia sabuletorum (Schreb.) Hafellner	see: Bilimbia sabuletorum
	Mycobilimbia tetramera (De Not.) Vitik., Ahti, Kuusinen, Lommi & T. Ulvinen
Number of taxa:	9
Mycoblastus Norman
	Mycoblastus alpinus (Fr.) Th. Fr. ex Hellb.
	Mycoblastus fucatus (Stirt.) Zahlbr.	see: Violella fucata
	Mycoblastus sanguinarius (L.) Norman
Number of taxa:	3
Mycocalicium Vain.
	Mycocalicium subtile (Pers.) Szatala
Number of taxa:	1
Mycomicrothelia Keissl.
	Mycomicrothelia confusa D. Hawksw.
	Mycomicrothelia wallrothii (Hepp) D. Hawksw.
Number of taxa:	2
Mycoporum Flot. ex Nyl.
	Mycoporum antecellens (Nyl.) R.C. Harris	earlier under Arthopyrenia antecellens (Nyl.) Arnold
Number of taxa:	1
Naetrocymbe Körb.
	Naetrocymbe fraxini (A. Massal.) R.C. Harris
	Naetrocymbe punctiformis (Pers.) R.C. Harris	earlier under Arthopyrenia punctiformis (Pers.) A. Massal.
	Naetrocymbe rhyponta (Ach.) R.C. Harris	earlier under Arthopyrenia rhyponta (Ach.) A. Massal.
Number of taxa:	3
Nectriopsis Maire
	Nectriopsis lecanodes (Cesati) Diederich & Schoers
Number of taxa:	1
Neofuscelia Essl.
	Neofuscelia loxodes (Nyl.) Essl.	see: Xanthoparmelia loxodes
	Neofuscelia pulla var. delisei (Duby) R. Sant.	see: Xanthoparmelia delisei
	Neofuscelia pulla (Ach.) Essl. var. pulla	see: Xanthoparmelia pulla
	Neofuscelia verruculifera (Nyl.) Essl.	see: Xanthoparmelia verruculifera
Number of taxa:	4
Nephroma Ach.
	Nephroma arcticum (L.) Torss.
	Nephroma bellum (Spreng.) Tuck.
	Nephroma helveticum Ach.	excluded as misidentification: re-identified as Nephroma parile and N. resupinatum
	Nephroma isidiosum (Nyl.) Gyeln.
	Nephroma laevigatum Ach.
	Nephroma parile (Ach.) Ach.	includes earlier misidentification of Nephroma helveticum Ach.
	Nephroma resupinatum (L.) Ach.	includes earlier misidentification of Nephroma helveticum Ach.
Number of taxa:	7
Niesslia Auersw.
	Niesslia cladoniicola D. Hawksw. & W. Gams
Number of taxa:	1
Normandina Ach.
	Normandina acroglypta (Norman) Aptroot
Number of taxa:	1
Ochrolechia A. Massal.
	Ochrolechia alboflavescens (Wulfen) Zahlbr.
	Ochrolechia androgyna (Hoffm.) Arnold	includes earlier misidentification of Ochrolechia subviridis (Hoeg) Erichsen
	Ochrolechia arborea (Kreyer) Almb.	includes earlier misidentification of Ochrolechia subviridis (Hoeg) Erichsen
	Ochrolechia frigida (Sw.) Lynge
	Ochrolechia microstictoides Räsänen
	Ochrolechia pallescens (L.) A. Massal.
	Ochrolechia subviridis (Hoeg) Erichsen	excluded as misidentification: re-identified as Ochrolechia androgyna, O. arborea and Trapeliopsis sp.
	Ochrolechia szatalaensis Verseghy	includes earlier misidentification of Ochrolechia upsaliensis (L.) A. Massal.
	Ochrolechia tartarea (L.) A. Massal.
	Ochrolechia turneri (Sm.) Hasselrot
	Ochrolechia upsaliensis (L.) A. Massal.	excluded as misidentification: re-identified as Ochrolechia szatalaensis
Number of taxa:	11
Omphalina Quél.
	Omphalina umbellifera (L.) Quél.	see: Lichenomphalia umbellifera (L.) Redhead, Lutzoni, Moncalvo & Vilgalys
Number of taxa:	1
Opegrapha Ach.
	Opegrapha atra Pers.	See: Arthonia atra
	Opegrapha culmigena Lib.	earlier under Opegrapha herbarum Mont.
	Opegrapha herbarum Mont.	see: Opegrapha culmigera
	Opegrapha mougeotii A. Massal.	See: Alyxoria mougeotii
	Opegrapha niveoatra (Borrer) J.R. Laundon	earlier under Opegrapha vulgata var. subsiderella Nyl.
	Opegrapha ochrocheila Nyl.	See: Alyxoria ochrocheila
	Opegrapha rufescens Pers.	See: Pseudoschismatomma rufescens
	Opegrapha rupestris Pers.
	Opegrapha sorediifera P. James	See: Zwackhia sorediifera
	Opegrapha varia Pers.	See: Alyxoria varia
	Opegrapha viridis (Pers. ex Ach.) Behlen & Desberger	See: Zwackhia viridis
	Opegrapha vulgata var. subsiderella Nyl.	see: Opegrapha niveoatra
	Opegrapha vulgata Ach. var. vulgata
	Opegrapha zwackhii (A. Massal. ex Zwackh) Källsten	See: Phacographa zwackhii
Number of taxa:	14
Ophioparma Norman
	Ophioparma ventosa (L.) Norman
Number of taxa:	1
Pachyphiale Lönnr.
	Pachyphiale fagicola (Hepp) Zwackh
Number of taxa:	1
Pannaria Delise
	Pannaria leucophaea (Vahl) P.M. Jørg.	see: Vahliella leucophaea; earlier also under Fuscopannaria leucophaea
	Pannaria pezizoides (Weber) Trevis.	see: Protopannaria pezizoides
Number of taxa:	2
Parmelia Ach.
	Parmelia ernstiae Feuerer & A. Thell
	Parmelia fraudans (Nyl.) Nyl.
	Parmelia omphalodes (L.) Ach.
	Parmelia saxatilis (L.) Ach.
	Parmelia submontana Nádv. ex Hale
	Parmelia sulcata Taylor
Number of taxa:	6
Parmeliella Müll. Arg.
	Parmeliella triptophylla (Ach.) Müll. Arg.
Number of taxa:	1
Parmelina Hale
	Parmelina tiliacea (Hoffm.) Hale
Number of taxa:	1
Parmeliopsis Nyl.
	Parmeliopsis ambigua (Wulfen) Nyl.
	Parmeliopsis hyperopta (Ach.) Arnold
Number of taxa:	2
Peltigera Willd.
	Peltigera aphthosa (L.) Willd.
	Peltigera canina (L.) Willd.
	Peltigera collina (Ach.) Schrad.
	Peltigera degenii Gyeln.
	Peltigera didactyla (With.) J.R. Laundon var. didactyla
	Peltigera didactyla var. extenuata (Nyl. ex Vain.) Goffinet & Hastings	see: Peltigera extenuata
	Peltigera elisabethae Gyeln.
	Peltigera horizontalis (Huds.) Baumg.
	Peltigera hymenina (Ach.) Delise
	Peltigera lepidophora (Nyl. ex Vain.) Bitter
	Peltigera leucophlebia (Nyl.) Gyeln.
	Peltigera malacea (Ach.) Funck
	Peltigera membranacea (Ach.) Nyl.
	Peltigera neckeri Hepp ex Müll. Arg.
	Peltigera neopolydactyla (Gyeln.) Gyeln.
	Peltigera polydactylon (Neck.) Hoffm.
	Peltigera ponojensis Gyeln.
	Peltigera praetextata (Flörke ex Sommerf.) Zopf
	Peltigera rufescens (Weiss) Humb.
	Peltigera scabrosa Th. Fr.
	Peltigera venosa (L.) Hoffm.
Number of taxa:	21
Peltula Nyl.
	Peltula euploca (Ach.) Poelt
Number of taxa:	1
Pertusaria DC.
	Pertusaria albescens (Huds.) M. Choisy & Werner
	Pertusaria amara (Ach.) Nyl.
	Pertusaria borealis Erichsen
	Pertusaria carneopallida (Nyl.) Anzi
	Pertusaria coccodes (Ach.) Nyl.
	Pertusaria corallina (L.) Arnold
	Pertusaria coronata (Ach.) Th. Fr.
	Pertusaria flavida (DC.) J.R. Laundon
	Pertusaria hemisphaerica (Flörke) Erichsen
	Pertusaria leioplaca DC.
	Pertusaria leucostoma A. Massal.	includes earlier misidentification of Pertusaria raesaenenii Erichsen
	Pertusaria multipuncta (Turner) Nyl.
	Pertusaria ophthalmiza (Nyl.) Nyl.
	Pertusaria pertusa (Weigel) Tuck.
	Pertusaria pupillaris (Nyl.) Th. Fr.
	Pertusaria raesaenenii Erichsen	excluded as misidentification: re-identified as Pertusaria leucostoma
Number of taxa:	16
Petractis Fr.
	Petractis clausa (Hoffm.) Kremp.
Number of taxa:	1
Pezizella Fuckel
	Pezizella epithallina (W. Phillips & Plowr.) Sacc.
Number of taxa:	1
Phacopsis Tul.
	Phacopsis fusca (Triebel & Rambold) Diederich	see: Nesolechia fusca
	Phacopsis oxyspora (Tul.) Triebel & Rambold	see: Nesolechia oxyspora
Number of taxa:	2
Phaeocalicium A.F.W. Schmidt
	Phaeocalicium populneum (Brond. ex Duby) A.F.W. Schmidt
	Phaeocalicium praecedens (Nyl.) A.F.W. Schmidt
Number of taxa:	2
Phaeophyscia Moberg
	Phaeophyscia chloantha (Ach.) Moberg
	Phaeophyscia ciliata (Hoffm.) Moberg
	Phaeophyscia constipata (Norrl. & Nyl.) Moberg
	Phaeophyscia endococcina (Körb.) Moberg
	Phaeophyscia endophoenicea (Harm.) Moberg
	Phaeophyscia nigricans (Flörke) Moberg
	Phaeophyscia orbicularis (Neck.) Moberg
	Phaeophyscia sciastra (Ach.) Moberg
Number of taxa:	8
Phaeopyxis Rambold & Triebel
	Phaeopyxis punctum (A. Massal.) Rambold, Triebel & Coppins
Number of taxa:	1
Phaeospora Hepp ex Stein
	Phaeospora peltigericola D. Hawksw.
Number of taxa:	1
Phaeosporobolus D. Hawksw. & Hafellner
	Phaeosporobolus alpinus R. Sant., Alstrup & D. Hawksw.	see: Lichenostigma alpinum
	Phaeosporobolus usneae D. Hawksw. & Hafellner
Number of taxa:	2
Phlyctis Wallr.
	Phlyctis agelaea (Ach.) Flot.
	Phlyctis argena (Spreng.) Flot.
Number of taxa:	2
Phoma Sacc.
	Phoma cytospora (Vouaux) D. Hawksw.	see: Briancoppinsia cytospora
	Phoma epiphyscia Vouaux
	Phoma lobariae Diederich & Etayo
	Phoma peltigerae (P. Karst.) D. Hawksw.
Number of taxa:	4
Physcia (Schreb.) Michx.
	Physcia adscendens (Fr.) H. Olivier
	Physcia aipolia (Ehrh. ex Humb.) Fürnr.
	Physcia caesia (Hoffm.) Fürnr.	includes earlier misidentification of Heterodermia speciosa (Wulfen) Trevis.
	Physcia dimidata (Arnold) Nyl.
	Physcia dubia (Hoffm.) Lettau
	Physcia leptalea (Ach.) DC.	earlier under Physcia semipinnata (J.F. Gmelin) Moberg
	Physcia magnussonii Frey
	Physcia semipinnata (J.F. Gmelin) Moberg	see: Physcia leptalea
	Physcia stellaris (L.) Nyl.
	Physcia tenella var. marina (E. Nyl.) Lynge
	Physcia tenella (Scop.) DC. var. tenella
Number of taxa:	11
Physconia Poelt
	Physconia detersa (Nyl.) Poelt
	Physconia distorta (With.) J.R. Laundon
	Physconia enteroxantha (Nyl.) Poelt
	Physconia grisea (Lam.) Poelt
	Physconia muscigena (Ach.) Poelt
	Physconia perisidiosa (Erichsen) Moberg
Number of taxa:	6
Pilophorus Th. Fr.
	Pilophorus cereolus (Ach.) Th. Fr.
Number of taxa:	1
Placidium A. Massal.
	Placidium pilosellum (Breuss) Breuss	earlier under Catapyrenium pilosellum Breuss
	Placidium rufescens (Ach.) A. Massal.	earlier under Catapyrenium rufescens (Ach.) Breuss
	Placidium squamulosum (Ach.) Breuss	earlier under Catapyrenium squamulosum (Ach.) Breuss
Number of taxa:	3
Placynthiella Elenkin
	Placynthiella dasaea (Stirt.) Tønsberg
	Placynthiella icmalea (Ach.) Coppins & P. James
	Placynthiella oligotropha (J. R. Laundon) Coppins & P. James
	Placynthiella uliginosa (Schrad.) Coppins & P. James
Number of taxa:	4
Placynthium (Ach.) Gray
	Placynthium asperellum (Ach.) Trevis.
	Placynthium nigrum (Huds.) Gray
Number of taxa:	2
Platismatia W.L. Culb. & C.F. Culb.
	Platismatia glauca (L.) W.L. Culb. & C.F. Culb.
Number of taxa:	1
Plectocarpon Fée
	Plectocarpon lichenum (Sommerf.) D. Hawksw.
Number of taxa:	1
Pleurosticta Petr.
	Pleurosticta acetabulum (Neck.) Elix & Lumbsch
Number of taxa:	1
Polyblastia A. Massal.
	Polyblastia albida Arnold
	Polyblastia cupularis A. Massal.
	Polyblastia fuscoargillacea Anzi
	Polyblastia gelatinosa (Ach.) Th. Fr.	see: Agonimia gelatinosa
	Polyblastia nidulans (Stenh.) Arnold
Number of taxa:	5
Polychidium (Ach.) Gray
	Polychidium muscicola (Sw.) Gray
Number of taxa:	1
Polycoccum Saut. ex Körb.
	Polycoccum peltigerae (Fuckel) Vězda
	Polycoccum pulvinatum (Eitner) R. Sant.
	Polycoccum squamarioides (Mudd) Arnold
Number of taxa:	3
Polysporina Vězda
	Polysporina simplex (Davies) Vězda
Number of taxa:	1
Porina Müll. Arg.
	Porina aenea (Wallr.) Zahlbr.	see: Pseudosagedia aenea
	Porina chlorotica (Ach.) Müll. Arg.	see: Pseudosagedia chlorotica
	Porina linearis (Leight.) Zahlbr.	see: Pseudosagedia linearis
Number of taxa:	3
Porpidia Körb.
	Porpidia cinereoatra (Ach.) Hertel & Knoph
	Porpidia crustulata (Ach.) Hertel & Knoph
	Porpidia macrocarpa (DC.) Hertel & A.J. Schwab
	Porpidia soredizodes (Lamy ex Nyl.) J.R. Laundon
	Porpidia speirea (Ach.) Kremp.
	Porpidia tuberculosa (Sm.) Hertel & Knoph
Number of taxa:	6
Pronectria Clem.
	Pronectria erythrinella (Nyl.) Lowen
	Pronectria leptaleae (J. Steiner) Lowen
	Pronectria robergei (Mont. & Desm.) Lowen
	Pronectria xanthoriae Lowen & Diederich
Number of taxa:	4
Protoblastenia (Zahlbr.) J. Steiner
	Protoblastenia calva (Dicks.) Zahlbr.
	Protoblastenia incrustans (DC.) J. Steiner
	Protoblastenia rupestris (Scop.) J. Steiner
Number of taxa:	3
Protopannaria (Gyeln.) P.M. Jørg. & S. Ekman
	Protopannaria pezizoides (Weber) P.M. Jørg. & S. Ekman	earlier under Pannaria pezizoides (Weber) Trevis.
Number of taxa:	1
Protoparmelia M. Choisy
	Protoparmelia atriseda (Fr.) R. Sant. & V. Wirth
	Protoparmelia badia (Hoffm.) Hafellner
	Protoparmelia picea auct.
Number of taxa:	3
Protoparmeliopsis M. Choisy
	Protoparmeliopsis achariana (A.L. Sm.) Moberg & R. Sant.	earlier under Lecanora achariana A.L. Sm.
	Protoparmeliopsis macrocyclos (H. Magn.) Moberg & R. Sant.	earlier under Lecanora macrocyclos (H. Magn.) Degel.
	Protoparmeliopsis muralis (Schreb.) M. Choisy	earlier under Lecanora muralis (Schreb.) Rabenh.
Number of taxa:	3
Protothelenella Räsänen
	Protothelenella corrosa (Körb.) H. Mayrhofer & Poelt
	Protothelenella sphinctrinoides (Nyl.) H. Mayrhofer & Poelt
Number of taxa:	2
Pseudevernia Zopf
	Pseudevernia furfuracea (L.) Zopf
Number of taxa:	1
Pseudosagedia (Müll. Arg.) M. Choisy
	Pseudosagedia aenea (Wallr.) Hafellner & Kalb	earlier under Porina aenea (Wallr.) Zahlbr.
	Pseudosagedia chlorotica (Ach.) Hafellner & Kalb	earlier under Porina chlorotica (Ach.) Müll. Arg.
	Pseudosagedia linearis (Leight.) Hafellner & Kalb	earlier under Porina linearis (Leight.) Zahlbr.
Number of taxa:	3
Psilolechia A. Massal.
	Psilolechia clavulifera (Nyl.) Coppins
	Psilolechia lucida (Ach.) M. Choisy
Number of taxa:	2
Psora Hoffm.
	Psora decipiens (Hedw.) Hoffm.
Number of taxa:	1
Psorotichia A. Massal.
	Psorotichia schaereri (A. Massal.) Arnold
Number of taxa:	1
Ptychographa Nyl.
	Ptychographa flexella (Ach.) Coppins	see: Elixia flexella
Number of taxa:	1
Punctelia Krog
	Punctelia subrudecta (Nyl.) Krog
Number of taxa:	1
Pycnora Hafellner
	Pycnora praestabilis (Nyl.) Hafellner	earlier under Hypocenomyce praestabilis (Nyl.) Timdal
	Pycnora sorophora (Vain.) Hafellner	earlier under Hypocenomyce sorophora (Vain.) P. James & Poelt
Number of taxa:	2
Pycnothelia (Ach.) Dufour
	Pycnothelia papillaria (Ehrh.) Dufour
Number of taxa:	1
Pyrenidium Nyl.
	Pyrenidium actinellum Nyl.
Number of taxa:	1
Pyrenochaeta De Not.
	Pyrenochaeta xanthoriae Diederich
Number of taxa:	1
Pyrenula A. Massal.
	Pyrenula coryli A. Massal.
	Pyrenula laevigata (Pers.) Arnold
	Pyrenula nitida (Weigel) Ach.
	Pyrenula nitidella (Schaer.) Müll. Arg.
Number of taxa:	4
Pyrrhospora Körb.
	Pyrrhospora cinnabarina (Sommerf.) M. Choisy
	Pyrrhospora quernea (Dicks.) Körb.
Number of taxa:	2
Raciborskiomyces Siemaszko
	Raciborskiomyces peltigericola (D. Hawksw.) M.E. Barr
Number of taxa:	1
Ramalina Ach.
	Ramalina baltica Lettau
	Ramalina calicaris (L.) Fr.
	Ramalina capitata (Ach.) Nyl.
	Ramalina dilacerata (Hoffm.) Hoffm.
	Ramalina elegans (Bagl. & Carestia) Jatta
	Ramalina farinacea (L.) Ach.
	Ramalina fastigiata (Pers.) Ach.
	Ramalina fraxinea (L.) Ach.
	Ramalina obtusata (Arnold) Bitter
	Ramalina pollinaria (Westr.) Ach.
	Ramalina polymorpha (Lilj.) Ach.
	Ramalina siliquosa (Huds.) A.L. Sm.
	Ramalina sinensis Jatta
	Ramalina subfarinacea (Nyl. ex Cromb.) Nyl.
	Ramalina thrausta (Ach.) Nyl.
Number of taxa:	15
Ramboldia Kantvilas & Elix
	Ramboldia insidiosa (Th. Fr.) Hafellner
Number of taxa:	1
Ramonia Stizenb.
	Ramonia luteola Vězda
Number of taxa:	1
Refractohilum D. Hawksw.
	Refractohilum peltigerae (Keissl.) D. Hawksw.
Number of taxa:	1
Reichlingia Diederich & Scheid.
	Reichlingia leopoldii Diederich & Scheid.
Number of taxa:	1
Rhizocarpon Ramond ex DC.
	Rhizocarpon badioatrum (Flörke ex Spreng.) Th. Fr.
	Rhizocarpon cinereovirens (Müll. Arg.) Vain.
	Rhizocarpon disporum (Nägeli ex Hepp) Müll. Arg.
	Rhizocarpon distinctum Th. Fr.
	Rhizocarpon geminatum Körb.
	Rhizocarpon geographicum (L.) DC.
	Rhizocarpon grande (Flörke ex Flot.) Arnold
	Rhizocarpon lavatum (Fr.) Hazsl.
	Rhizocarpon lecanorinum Anders
	Rhizocarpon macrosporum Räsänen
	Rhizocarpon obscuratum (Ach.) A. Massal.	see: Rhizocarpon reductum
	Rhizocarpon oederi (Weber) Körb.
	Rhizocarpon petraeum (Wulfen) A. Massal.
	Rhizocarpon polycarpum (Hepp) Th. Fr.
	Rhizocarpon reductum Th. Fr.	earlier under Rhizocarpon obscuratum (Ach.) A. Massal.
	Rhizocarpon richardii (Lamy ex Nyl.) Zahlbr.
	Rhizocarpon subgeminatum Eitner
	Rhizocarpon umbilicatum (Ramond) Flagey
Number of taxa:	18
Rimularia Nyl.
	Rimularia furvella (Nyl. ex Mudd) Hertel & Rambold
	Rimularia insularis (Nyl.) Rambold & Hertel
Number of taxa:	2
Rinodina (Ach.) Gray
	Rinodina archaea (Ach.) Arnold
	Rinodina bischoffii (Hepp) A. Massal.
	Rinodina cacuminum (Th. Fr.) Malme	see: Amandinea cacuminum
	Rinodina colobina (Ach.) Th. Fr.
	Rinodina confragosa (Ach.) Körb.
	Rinodina conradii Körb.
	Rinodina degeliana Coppins
	Rinodina efflorescens Malme
	Rinodina exigua Gray
	Rinodina gennarii Bagl.
	Rinodina immersa (Körb.) Arnold
	Rinodina interpolata (Stirt.) Sheard
	Rinodina milvina (Wahlenb.) Th. Fr.
	Rinodina occulta (Körb.) Sheard	excluded as misidentification: unidentified perithecioid species
	Rinodina parasitica H. Mayrhofer & Poelt
	Rinodina pyrina (Ach.) Arnold
	Rinodina septentrionalis Malme
	Rinodina sophodes (Ach.) A. Massal.
	Rinodina turfacea (Wahlenb.) Körb.
Number of taxa:	19
Ropalospora A. Massal.
	Ropalospora viridis (Tønsberg) Tønsberg
Number of taxa:	1
Roselliniella Vain.
	Roselliniella cladoniae (Anzi) Matzer & Hafellner
Number of taxa:	1
Sagiolechia A. Massal.
	Sagiolechia protuberans (Ach.) A. Massal.
Number of taxa:	1
Sarcogyne Flot.
	Sarcogyne privigna (Ach.) A. Massal.
	Sarcogyne regularis Körb.
Number of taxa:	2
Sarcosagium A. Massal.
	Sarcosagium campestre (Fr.) Poetsch & Schied.
Number of taxa:	1
Sarea Fr.
	Sarea difformis (Fr.) Fr.
	Sarea resinae (Fr.) Kuntze
Number of taxa:	2
Schaereria Körb.
	Schaereria fuscocinerea (Nyl.) Clauzade & Cl. Roux
Number of taxa:	1
Schismatomma Flot. & Körb. ex A. Massal.
	Schismatomma pericleum (Ach.) Branth & Rostr.
Number of taxa:	1
Sclerophora Chevall.
	Sclerophora coniophaea (Norman) Mattsson & Middelb.
	Sclerophora farinacea (Chevall.) Chevall.
	Sclerophora nivea (Hoffm.) Tibell	see: Sclerophora pallida
	Sclerophora pallida (Pers.) Y. I. Yao & Spooner	earlier under Sclerophora nivea (Hoffm.) Tibell
	Sclerophora peronella (Ach.) Tibell
Number of taxa:	5
Scoliciosporum A. Massal.
	Scoliciosporum chlorococcum (Stenh.) Vězda
	Scoliciosporum pruinosum (P. James) Vězda
	Scoliciosporum sarothamni (Vain.) Vězda
	Scoliciosporum umbrinum (Ach.) Arnold
Number of taxa:	4
Scutula Tul.
	Scutula epiblastematica (Wallr.) Rehm
	Scutula heeri (Hepp) P. Karst.
	Scutula miliaris (Wallr.) Trevis.
Number of taxa:	3
Skyttea Sherwood, D. Hawksw. & Coppins
	Skyttea elachistophora (Nyl.) Sherwood & D. Hawksw.
	Skyttea gregaria Sherwood, D. Hawksw. & Coppins
	Skyttea nitschkei (Körb.) Sherwood, D. Hawksw. & Coppins
Number of taxa:	3
Solorina Ach.
	Solorina bispora Nyl.
	Solorina saccata (L.) Ach.
	Solorina spongiosa (Ach.) Anzi
Number of taxa:	3
Sphaerellothecium Zopf
	Sphaerellothecium araneosum (Rehm ex Arnold) Zopf var. araneosum
	Sphaerellothecium araneosum var. cladoniae Alstrup & Zhurb.
	Sphaerellothecium propinquellum (Nyl.) Cl. Roux & Triebel
Number of taxa:	3
Sphaerophorus Pers.
	Sphaerophorus globosus (Huds.) Vain.
Number of taxa:	1
Sphinctrina Fr.
	Sphinctrina turbinata (Pers.) De Not.
Number of taxa:	1
Squamarina Poelt
	Squamarina lentigera (Weber) Poelt
Number of taxa:	1
Staurothele Norman
	Staurothele caesia (Arnold) Arnold
	Staurothele fissa (Taylor) Zwackh
	Staurothele frustulenta Vain.
Number of taxa:	3
Steinia Körb.
	Steinia geophana (Nyl.) Stein
Number of taxa:	1
Stenocybe (Nyl.) Körb.
	Stenocybe pullatula (Ach.) Stein
Number of taxa:	1
Stereocaulon Hoffm.
	Stereocaulon alpinum var. gracilentum (Th. Fr.) H. Magn.
	Stereocaulon condensatum Hoffm.
	Stereocaulon dactylophyllum Flörke
	Stereocaulon evolutum Graewe ex Th. Fr.
	Stereocaulon glareosum (Savicz) H. Magn.
	Stereocaulon incrustatum Flörke
	Stereocaulon paschale (L.) Hoffm.
	Stereocaulon saxatile H. Magn.
	Stereocaulon subcoralloides (Nyl.) Nyl.
	Stereocaulon tomentosum Fr.
	Stereocaulon vesuvianum Pers.
Number of taxa:	11
Stigmidium Trevis.
	Stigmidium cladoniicola Zhurb. & Diederich
	Stigmidium congestum (Körb.) Triebel
	Stigmidium fuscatae (Arnold) R. Sant.
	Stigmidium lecidellae Triebel, Cl. Roux & Le Coeur
	Stigmidium microspilum (Körb.) D. Hawksw.
	Stigmidium mycobilimbiae Cl. Roux, Triebel & Etayo
	Stigmidium peltideae (Vain.) R. Sant.
	Stigmidium pumilum (Lettau) Matzer & Hafellner
	Stigmidium solorinarium (Vain.) D. Hawksw.
	Stigmidium xanthoparmeliarum Hafellner
Number of taxa:	10
Strangospora Körb.
	Strangospora moriformis (Ach.) Stein
	Strangospora pinicola (A. Massal.) Körb.
Number of taxa:	2
Strigula Fr.
	Strigula stigmatella (Ach.) R.C. Harris
Number of taxa:	1
Syzygospora Martin
	Syzygospora bachmannii Diederich & M.S. Christ.
	Syzygospora physciacearum Diederich
Number of taxa:	2
Taeniolella S. Hughes
	Taeniolella beschiana Diederich
	Taeniolella cladinicola Alstrup
	Taeniolella delicata M.S. Christ. & D. Hawksw.
	Taeniolella pertusariicola D. Hawksw. & H. Mayrhofer
	Taeniolella phaeophysciae D. Hawksw.
	Taeniolella punctata M S. Christ. & D. Hawksw.
	Taeniolella trapeliopseos Diederich
Number of taxa:	7
Telogalla Nik. Hoffm. & Hafellner
	Telogalla olivieri (Vouaux) Nik. Hoffm. & Hafellner
Number of taxa:	1
Tephromela M. Choisy
	Tephromela atra (Huds.) Hafellner ex Kalb
Number of taxa:	1
Thelidium A. Massal.
	Thelidium decipiens (Nyl.) Kremp.
	Thelidium incavatum Mudd
	Thelidium minutulum Körb.
	Thelidium pyrenophorum (Ach.) Mudd
	Thelidium zwackhii (Hepp) A. Massal.
Number of taxa:	5
Thelocarpon Nyl. ex Hue
	Thelocarpon epibolum Nyl.
	Thelocarpon impressellum Nyl.
	Thelocarpon laureri (Flot.) Nyl.
	Thelocarpon lichenicola (Fuckel) Poelt & Hafellner
Number of taxa:	4
Thelomma A. Massal.
	Thelomma ocellatum (Körb.) Tibell
Number of taxa:	1
Thelopsis Nyl.
	Thelopsis flaveola Arnold
Number of taxa:	1
Thelotrema Ach.
	Thelotrema lepadinum (Ach.) Ach.
	Thelotrema suecicum (H. Magn.) P. James
Number of taxa:	2
Thrombium Wallr.
	Thrombium epigaeum (Pers.) Wallr.
Number of taxa:	1
Toninia A. Massal.
	Toninia physaroides (Opiz) Zahlbr.
	Toninia sedifolia (Scop.) Timdal
	Toninia verrucarioides (Nyl.) Timdal
Number of taxa:	3
Trapelia M. Choisy
	Trapelia coarctata (Sm.) M. Choisy
	Trapelia glebulosa (Sm.) J.R. Laundon	earlier under Trapelia involuta (Taylor) Hertel
	Trapelia involuta (Taylor) Hertel	see: Trapelia glebulosa
	Trapelia placodioides Coppins & P. James
Number of taxa:	4
Trapeliopsis Hertel & Gotth. Schneid.
	Trapeliopsis flexuosa (Fr.) Coppins & P. James
	Trapeliopsis glaucolepidea (Nyl.) Gotth. Schneid.
	Trapeliopsis granulosa (Hoffm.) Lumbsch
	Trapeliopsis pseudogranulosa Coppins & P. James
	Trapeliopsis viridescens (Schrad.) Coppins & P. James
Number of taxa:	5
Tremella Pers.
	Tremella cetrariicola Diederich & Coppins
	Tremella cladoniae Diederich & M.S. Christ.
	Tremella coppinsii Diederich & G. Marson
	Tremella hypogymniae Diederich & M.S. Christ.
	Tremella lichenicola Diederich
	Tremella phaeophysciae Diederich & M.S. Christ.
	Tremella ramalinae Diederich
Number of taxa:	7
Tremolecia M. Choisy
	Tremolecia atrata (Ach.) Hertel
Number of taxa:	1
Trichonectria Kirschst.
	Trichonectria anisospora (Lowen) Van den Boom & Diederich
	Trichonectria hirta (Bloxam) Petch
Number of taxa:	2
Tuckermannopsis Gyeln.
	Tuckermannopsis chlorophylla (Willd.) Hale
Number of taxa:	1
Umbilicaria Hoffm.
	Umbilicaria cinerascens (Arnold) Frey
	Umbilicaria cylindrica (L.) Delise ex Duby
	Umbilicaria decussata (Vill.) Zahlbr.
	Umbilicaria deusta (L.) Baumg.
	Umbilicaria grisea Hoffm.
	Umbilicaria hyperborea (Ach.) Hoffm.
	Umbilicaria nylanderiana (Zahlbr.) H. Magn.
	Umbilicaria polyphylla (L.) Baumg.
	Umbilicaria polyrrhiza (L.) Fr.
	Umbilicaria proboscidea (L.) Schrad.
	Umbilicaria torrefacta (Lightf.) Schrad.
	Umbilicaria vellea (L.) Hoffm.
Number of taxa:	12
Unguiculariopsis Rehm
	Unguiculariopsis lettaui (Grummann) Coppins
Number of taxa:	1
Usnea Dill. ex Adans.
	Usnea articulata (L.) Hoffm.
	Usnea barbata (L.) Weber ex F.H. Wigg.	earlier under Usnea scabrata Nyl.
	Usnea chaetophora Stirt.
	Usnea dasopoga (Ach.) Nyl.	earlier under Usnea filipendula Stirt.
	Usnea diplotypus Vain.
	Usnea filipendula Stirt.	see: Usnea dasypoga
	Usnea fulvoreagens (Räsänen) Räsänen
	Usnea glabrata (Ach.) Vain.
	Usnea glabrescens (Vain.) Vain.
	Usnea hirta (L.) F.H. Wigg.
	Usnea lapponica Vain.
	Usnea longissima Ach.
	Usnea scabrata Nyl.	see: Usnea barbata
	Usnea subfloridana Stirt.
	Usnea substerilis Motyka
	Usnea wasmuthii Räsänen
Number of taxa:	16
Varicellaria Nyl.
	Varicellaria rhodocarpa (Körb.) Th. Fr.
Number of taxa:	1
Verrucaria Schrad.
	Verrucaria acrotella Ach.
	Verrucaria aethiobola Wahlenb.
	Verrucaria aquatilis Mudd
	Verrucaria bryoctona (Th. Fr.) Orange
	Verrucaria caerulea DC.
	Verrucaria calciseda DC.	see: Bagliettoa calciseda
	Verrucaria dolosa Hepp
	Verrucaria dufourii DC.	see: Parabagliettoa dufourii (DC.) Gueidan & Cl. Roux
	Verrucaria elaeomelaena (A. Massal.) Arnold
	Verrucaria foveolata (Flörke) A. Massal.
	Verrucaria fuscella (Turner) Winch	see: Placopyrenium fuscellum
	Verrucaria glaucina auct.
	Verrucaria hydrela Ach.
	Verrucaria maculiformis Kremp.
	Verrucaria maura Wahlenb.	see: Hydropunctaria maura (Wahlenb.) C. Keller, Gueidan & Thüs
	Verrucaria memnonia (Körb.) Arnold
	Verrucaria muralis Ach.
	Verrucaria nigrescens Pers.
	Verrucaria obscura Th. Fr.
	Verrucaria olivacella Servít	see: Verrucaria inaspecta
	Verrucaria papillosa Ach.
	Verrucaria praetermissa (Trevis.) Anzi
	Verrucaria submersella Servít
	Verrucaria umbrinula Nyl.
	Verrucaria viridula (Schrad.) Ach.
	Verrucaria xyloxena Norman
Number of taxa:	26
Vezdaea Tsherm.-Woess & Poelt
	Vezdaea aestivalis (Ohlert) Tscherm.-Woess & Poelt
Number of taxa:	1
Vouauxiella Petr. & Syd.
	Vouauxiella lichenicola (Linds.) Petr. & Syd.
Number of taxa:	1
Vouauxiomyces Dyko & D. Hawksw.
	Vouauxiomyces ramalinae (Nordin) D. Hawksw.
	Vouauxiomyces santessonii D. Hawksw.
Number of taxa:	2
Vulpicida J.-E. Mattsson & M.J. Lai
	Vulpicida juniperinus (L.) J.-E. Mattsson & M.J. Lai	includes Vulpicida tubulosus
	Vulpicida pinastri (Scop.) J.-E. Mattsson & M.J. Lai
	Vulpicida tubulosus (Schaer.) J.-E. Mattsson & M.J. Lai	included in Vulpicida juniperinus
Number of taxa:	3
Xanthoparmelia (Vain.) Hale
	Xanthoparmelia conspersa (Ach.) Hale
	Xanthoparmelia delisei (Duby) O. Blanco, A. Crespo, Elix, D. Hawksw. & Lumbsch	earlier under Neofuscelia pulla var. delisei (Duby) R. Sant.
	Xanthoparmelia loxodes (Nyl.) O. Blanco, A. Crespo, Elix, D. Hawksw. & Lumbsch	earlier under Neofuscelia loxodes (Nyl.) Essl.
	Xanthoparmelia mougeotii (Schaer. ex D. Dietr.) Hale
	Xanthoparmelia pulla (Ach.) O. Blanco, A. Crespo, Elix, D. Hawksw. & Lumbsch	earlier under Neofuscelia pulla var. pulla (Ach.) Essl.
	Xanthoparmelia somloënsis (Gyeln.) Hale	see: Xanthoparmelia stenophylla
	Xanthoparmelia stenophylla (Ach.) Ahti & D. Hawksw.	earlier under Xanthoparmelia somloënsis (Gyeln.) Hale
	Xanthoparmelia verruculifera (Nyl.) O. Blanco, A. Crespo, Elix, D. Hawksw. & Lumbsch	earlier under Neofuscelia verruculifera (Nyl.) Essl.
Number of taxa:	8
Xanthoria (Fr.) Th. Fr.
	Xanthoria calcicola Oxner
	Xanthoria candelaria (L.) Th. Fr.	see: Polycauliona candelaria
	Xanthoria elegans (Link) Th. Fr.	see: Rusavskia elegans
	Xanthoria fallax (Arnold) Arnold	see: Xanthomendoza fallax
	Xanthoria fulva (Hoffm.) Poelt & Petutschnig	see: Xanthomendoza fulva
	Xanthoria lobulata (Flörke) de Lesd.	excluded as misidentification: re-identified as Caloplaca holocarpa, Xanthoria parietina and X. polycarpa
	Xanthoria parietina (L.) Th. Fr.	includes earlier misidentification of Xanthoria lobulata (Flörke) de Lesd.
	Xanthoria polycarpa (Hoffm.) Th. Fr. ex Rieber	see: Polycauliona polycarpa; includes earlier misidentification of Xanthoria lobulata (Flörke) de Lesd.
	Xanthoria sorediata (Vain.) Poelt	see: Rusavskia sorediata
Number of taxa:	9
Xanthoriicola D. Hawksw.
	Xanthoriicola physciae (Kalchbr.) D. Hawksw.
Number of taxa:	1
Xylographa Fr.
	Xylographa opegraphella Nyl. ex Rothr.
	Xylographa parallela (Ach.) Fr.	includes earlier misidentification of Xylographa trunciseda (Th. Fr.) Minks
	Xylographa trunciseda (Th. Fr.) Minks	excluded as misidentification: re-identified as Xylographa parallela
	Xylographa vitiligo (Ach.) J.R. Laundon
Number of taxa:	4
Zwackhiomyces Grube & Hafellner
	Zwackhiomyces coepulonus (Norman) Grube & R. Sant.
	Zwackhiomyces lecanorae (Stein.) Nik. Hoffm. & Hafellner
	Zwackhiomyces physciicola Alstrup
	Zwackhiomyces sphinctrinoides (Zwackh) Grube & Hafellner
Number of taxa:	4
Lecidea Ach.
	Lecidea leprarioides Tønsberg
Number of taxa:	1
Agonimia Zahlbr.
	Agonimia vouauxii (B. de Lesd.) M. Brand & Diederich
Number of taxa:	1
Arthonia Ach.
	Arthonia arthonioides (Ach.) A.L. Sm.
	Arthonia molendoi (Heufl. ex Frauenf.) R. Sant.
Number of taxa:	2
Candelaria A. Massal.
	Candelaria pacifica M. Westb. & Arup
Number of taxa:	1
Catapyrenium Flot.
	Catapyrenium daedaleum (Kremp.) Stein
Number of taxa:	1
Catillaria A. Massal.
	Catillaria atomarioides (Müll. Arg.) Kilias
Number of taxa:	1
Cladonia Hill ex P. Browne
	Cladonia humilis (With.) J.R. Laundon
	Cladonia magyarica Vain. ex Gyeln.
Number of taxa:	2
Cladosporium Link
	Cladosporium licheniphilum Heuchert & U. Braun
Number of taxa:	1
Didymellopsis (Sacc.) Clem. & Shear
	Didymellopsis pulposi (Zopf) Grube & Hafellner
Number of taxa:	1
Epigloea Zukal
	Epigloea soleiformis Döbbeler
Number of taxa:	1
Lecania A. Massal.
	Lecania sambucina (Körb.) Arnold
	Lecania sylvestris (Arnold) Arnold
Number of taxa:	2
Lecanora Ach.
	Lecanora persimilis (Th. Fr.) Nyl.
	Lecanora zosterae (Ach.) Nyl.
Number of taxa:	2
Lepraria Ach.
	Lepraria sylvicola Orange	excluded as misidentification: confirmation needs further chemical analyses
	Lepraria celata Slav.-Bay.
Number of taxa:	2
Leptogium (Ach.) Gray
	Leptogium intermedium (Arnold) Arnold	see: Scytinium intermedium
Number of taxa:	1
Lichenostigma Hafellner
	Lichenostigma maureri Hafellner
Number of taxa:	1
Merismatium Zopf
	Merismatium discrepans (J. Lahm) Triebel
Number of taxa:	1
Micarea Fr.
	Micarea lithinella (Nyl.) Hedl.
Number of taxa:	1
Muellerella Hepp ex Müll. Arg.
	Muellerella triseptata Diederich
Number of taxa:	1
Ochrolechia A. Massal.
	Ochrolechia bahusiensis H. Magn.
Number of taxa:	1
Opegrapha Ach.
	Opegrapha calcarea Turn. ex Sm.	See: Arthonia calcarea
Number of taxa:	1
Peltigera Willd.
	Peltigera frippii Holt.-Hartw.
Number of taxa:	1
Phaeospora Hepp ex Stein
	Phaeospora parasitica (Lönnr.) Zopf
	Phaeospora rimosicola (Leight. ex Mudd) Hepp ex Stein
Number of taxa:	2
Polyblastia A. Massal.
	Polyblastia sendtneri Kremp.
Number of taxa:	1
Staurothele Norman
	Staurothele rupifraga (A. Massal.) Arnold
Number of taxa:	1
Stigmidium Trevis.
	Stigmidium clauzadei Cl. Roux & Nav.-Ros.
Number of taxa:	1
Thelidium A. Massal.
	Thelidium olivaceum (Fr.) Körb.
	Thelidium papulare (Fr.) Arnold
Number of taxa:	2
Thelocarpon Nyl. ex Hue
	Thelocarpon intermediellum Nyl.
Number of taxa:	1
Tremella Pers.
	Tremella candelariellae Diederich & Etayo
Number of taxa:	1
Unguiculariopsis Rehm
	Unguiculariopsis thallophila (P. Karst.) W.Y. Zhuang
Number of taxa:	1
Verrucaria Schrad.
	Verrucaria hochstetteri Fr.
Number of taxa:	1
Caloplaca Th. Fr.
	Caloplaca stillicidiorum (Vahl) Lynge [s. lat.]	earlier under Caloplaca cerina (Ehrh. ex Hedw.) Th. Fr. [pro parte]
Number of taxa:	1
Cladonia Hill ex P. Browne
	Cladonia arbuscula (Wallr.) Flot.	earlier under Cladina arbuscula (Wallr.) Hale & W.L. Culb.
	Cladonia ciliata var. tenuis (Flörke) Ahti	earlier under Cladina ciliata var. tenuis (Flörke) Ahti & M.J. Lai
	Cladonia mitis Sandst.	earlier under Cladina mitis (Sandst.) Hustich
	Cladonia portentosa (Dufour) Coem.	earlier under Cladina portentosa (Dufour) Follmann
	Cladonia rangiferina (L.) F.H. Wigg.	earlier under Cladina rangiferina (L.) Nyl.
	Cladonia stellaris (Opiz) Pouzar & Vězda	earlier under Cladina stellaris (Opiz) Brodo
	Cladonia stygia (Fr.) Ruoss	earlier under Cladina stygia (Fr.) Ahti
Number of taxa:	7
Coenogonium Ehrenb.
	Coenogonium luteum (Dicks.) Kalb & Lücking	earlier under Dimerella lutea (Dicks.) Trevis.
	Coenogonium pineti (Ach.) Lücking & Lumbsch	earlier under Dimerella pineti (Ach.) Vězda
Number of taxa:	2
Melanelixia O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch
	Melanelixia glabratula (Lamy) Sandler & Arup	earlier under Melanelixia fuliginosa ssp. glabratula (Lamy) J.R. Laundon and Melanelia fuliginosa ssp. glabratula (Lamy) Coppins
	Melanelixia fuliginosa (Fr. ex Duby.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch	earlier under Melanelia fuliginosa (Fr. ex Duby) Essl. ssp. fuliginosa and Melanelixia fuliginosa (Fr. ex Duby) O. Blanco et al. ssp. fuliginosa
Number of taxa:	2
Lichenomphalia Redhead, Lutzoni, Moncalvo & Vilgalys
	Lichenomphalia umbellifera (L.) Redhead, Lutzoni, Moncalvo & Vilgalys	earlier under Omphalina umbellifera (L.) Quél.
Number of taxa:	1
Parabagliettoa Gueidan & Cl. Roux
	Parabagliettoa dufourii (DC.) Gueidan & Cl. Roux	earlier under Verrucaria dufourii DC.
Number of taxa:	1
Hydropunctaria C. Keller, Gueidan & Thüs
	Hydropunctaria maura (Wahlenb.) C. Keller, Gueidan & Thüs	earlier under Verrucaria maura Wahlenb.
Number of taxa:	1
Verrucaria Schrad.
	Verrucaria rupestris Schrad.	see: Verrucaria muralis Ach.
Number of taxa:	1
Absconditella Vězda
	Absconditella trivialis (Willey ex Tuck.) Vězda
Number of taxa:	1
Anisomeridium (Müll. Arg.) M. Choisy
	Anisomeridium carinthiacum (J. Steiner) R.C. Harris
Number of taxa:	1
Bacidia De Not.
	Bacidia hemipolia f. pallida Czarnota & Coppins
Number of taxa:	1
Carbonea (Hertel) Hertel
	Carbonea supersparsa (Nyl.) Hertel
Number of taxa:	1
Eiglera Hafellner
	Eiglera flavida (Hepp) Hafellner
Number of taxa:	1
Hydropunctaria C. Keller, Gueidan & Thüs
	Hydropunctaria rheitrophila (Zschacke) C. Keller, Gueidan & Thüs
Number of taxa:	1
Lecanora Ach.
	Lecanora farinaria Borrer
	Lecanora soralifera (Suza) Räsänen
Number of taxa:	2
Lecidea Ach.
	Lecidea degeliana Hertel
Number of taxa:	1
Lichenopeltella Höhn.
	Lichenopeltella hydrophila R. Sant.
Number of taxa:	1
Lichenothelia D. Hawksw.
	Lichenothelia renobalesiana D. Hawksw. & V. Atienza
Number of taxa:	1
Neocoleroa Petr.
	Neocoleroa inundata (Vain.) Diederich
Number of taxa:	1
Phaeocalicium A.F.W. Schmidt
	Phaeocalicium tremulicola (Norrl. ex Nyl.) Tibell
Number of taxa:	1
Porina Müll. Arg.
	Porina borreri (Trevis.) D. Hawksw. & P. James
Number of taxa:	1
Pronectria Clem.
	Pronectria santessonii (Lowen & D. Hawksw.) Lowen
Number of taxa:	1
Rinodina (Ach.) Gray
	Rinodina fimbriata Körb.
Number of taxa:	1
Staurothele Norman
	Staurothele hymenogonia (Nyl.) Th. Fr.
Number of taxa:	1
Stigmidium Trevis.
	Stigmidium rivulorum (Kernst.) Cl. Roux & Nav.-Ros.
Number of taxa:	1
Verrucaria Schrad.
	Verrucaria boblensis Servít
Number of taxa:	1
Cladonia Hill ex P. Browne
	Cladonia straminea (Sommerf.) Flörke	earlier under Cladonia metacorallifera Asahina
Number of taxa:	1
Collema Weber ex F.H. Wigg.
	Collema dichotomum (With.) Coppins & J.R. Laundon	earlier under Collema fluviatile (Huds.) Steud.; see: Lathagrium dichotomum
Number of taxa:	1
Epiphloea Trevis.
	Epiphloea byssina (Hoffm.) Henssen & P.M. Jørg.	earlier under Collema fluviatile (Huds.) Steud.
Number of taxa:	1
Peltigera Willd.
	Peltigera extenuata (Nyl. ex Vain.) Lojka	earlier under Peltigera didactyla var. extenuata (Nyl. ex Vain.) Goffinet & Hastings
Number of taxa:	1
Lecanora Ach.
	Lecanora semipallida H. Magn.	earlier under Lecanora xanthostoma Cl. Roux ex Fröberg
Number of taxa:	1
Arthonia Ach.
	Arthonia subfuscicola (Linds.) Triebel
Number of taxa:	1
Caloplaca Th. Fr.
	Caloplaca dichroa Arup	see: Flavoplaca dichroa
Number of taxa:	1
Epicladonia D. Hawksw.
	Epicladonia simplex D. Hawksw.
Number of taxa:	1
Nectriopsis Maire
	Nectriopsis parmeliae (Berk. & M.A. Curtis) M.S. Cole & D. Hawksw.
Number of taxa:	1
Pronectria Clem.
	Pronectria oligospora Lowen & Rogerson
Number of taxa:	1
Rhizocarpon Ramond ex DC.
	Rhizocarpon submodestum (Vainio) Vainio
Number of taxa:	1
Rimularia Nyl.
	Rimularia intercedens (H. Magn.) Coppins
Number of taxa:	1
Trichonectria Kirschst.
	Trichonectria rubefaciens (Ellis & Everh.) Diederich & Schroers
Number of taxa:	1
Umbilicaria Hoffm.
	Umbilicaria hirsuta (Sw. ex Westr.) Hoffm.
Number of taxa:	1
Acarospora A. Massal.
	Acarospora moenium (Vain.) Räsänen	earlier under Aspicilia moenium
Number of taxa:	1
Alyxoria Ach. ex Gray
	Alyxoria mougeotii (A. Massal.) Ertz, Frisch & G. Thor	earlier under Opegrapha mougeotii
	Alyxoria ochrocheila (Nyl.) Ertz & Tehler	earlier under Opegrapha ochrocheila
	Alyxoria varia (Pers.) Ertz & Tehler	earlier under Opegrapha varia
Number of taxa:	3
Arthonia Ach.
	Arthonia atra (Pers.) A. Schneid.	earlier under Opegrapha atra
	Arthonia calcarea (Turner ex Sm.) Ertz & Diederich	earlier under Opegrapha calcarea
Number of taxa:	2
Aspicilia A. Massal.
	Aspicilia zonata (Ach.) R. Sant.	earlier under Aspicilia xyloxena
Number of taxa:	1
Athalia Arup, Frödén & Søchting
	Athalia cerinella (Nyl.) Arup, Frödén & Søchting	earlier under Caloplaca cerinella
	Athalia cerinelloides (Erichsen) Arup, Frödén & Søchting	earlier under Caloplaca cerinelloides
	Athalia holocarpa (Hoffm.) Arup, Frödén & Søchting	earlier under Caloplaca holocarpa; includes earlier misidentification of Xanthoria lobulata
	Athalia pyracea (Ach.) Arup, Frödén & Søchting	earlier under Caloplaca holocarpa [pro parte]
	Athalia scopularis (Nyl.) Arup, Frödén & Søchting	earlier under Caloplaca scopularis
	Athalia vitellinula (Nyl.) Arup, Frödén & Søchting	earlier under Caloplaca vitellinula
Number of taxa:	6
Arthrorhaphis Th. Fr.
	Arthrorhaphis olivaceae R. Sant. & Tønsberg
Number of taxa:	1
Bacidina Vězda
	Bacidina sulphurella (Samp.) M. Hauck & V. Wirth
Number of taxa:	1
Bagliettoa A. Massal.
	Bagliettoa calciseda (DC.) Gueidan & Cl. Roux	earlier under Verrucaria calciseda
Number of taxa:	1
Blastenia A. Massal
	Blastenia ammiospila (Wahlenb.) Arup, Søchting & Frödén	earlier under Caloplaca ammiospila
	Blastenia crenularia (With.) Arup, Søchting & Frödén	earlier under Caloplaca crenularia
	Blastenia ferruginea (Huds.) A. Massal.	earlier under Caloplaca ferruginea
	Blastenia herbidella (Hue) Servít	earlier under Caloplaca herbidella
Number of taxa:	4
Blennothallia Trevis.
	Blennothallia crispa (Huds.) Otálora, P.M. Jørg. & Wedin	earlier under Collema crispum
Number of taxa:	1
Briancoppinsia Diederich, Ertz, Lawrey & Van den Boom
	Briancoppinsia cytospora (Vouaux) Diederich, Ertz, Lawrey & Van den Boom	earlier under Phoma cytospora
Number of taxa:	1
Bryoplaca Søchting, Frödén & Arup
	Bryoplaca jungermanniae (Vahl) Søchting, Frödén & Arup	earlier under Caloplaca jungermanniae
	Bryoplaca sinapisperma (Lam.) Søchting, Frödén & Arup	earlier under Caloplaca sinapisperma
Number of taxa:	2
Calogaya Arup, Frödén & Søchting
	Calogaya biatorina (A. Massal.) Arup, Frödén & Søchting	earlier under Caloplaca biatorina
	Calogaya decipiens (Arnold) Arup, Frödén & Søchting	earlier under Caloplaca decipiens
Number of taxa:	2
Carbonicola Bendiksby & Timdal
	Carbonicola anthracophila (Nyl.) Bendiksby & Timdal	earlier under Hypocenomyce anthracophila
	Carbonicola myrmecina (Ach.) Bendiksby & Timdal	earlier under Hypocenomyce castaneocinerea
Number of taxa:	2
Circinaria Link
	Circinaria caesiocinerea (Nyl. ex Malbr.) A. Nordin, Savić & Tibell	earlier under Aspicilia caesiocinerea
	Circinaria calcarea (L.) A. Nordin, Savić & Tibell	earlier under Aspicilia calcarea
	Circinaria contorta (Hoffm.) A. Nordin, Savić & Tibell ssp. contorta	earlier under Aspicilia contorta ssp. contorta
	Circinaria contorta ssp. hoffmanniana (S. Ekman & Fröberg ex R. Sant.) I. Zhdanov	earlier under Aspicilia contorta ssp. hoffmanniana
	Circinaria gibbosa (Ach.) A. Nordin, Savić & Tibell	earlier under Aspicilia gibbosa
	Circinaria leprosescens (Sandst.) A. Nordin, Savić & Tibell	earlier under Aspicilia leprosescens
Number of taxa:	6
Enchylium (Ach.) Gray
	Enchylium bachmanianum (Fink) Otálora, P.M. Jørg. & Wedin	earlier under Collema bachmanianum
	Enchylium limosum (Ach.) Otálora, P.M. Jørg. & Wedin	earlier under Collema limosum
	Enchylium polycarpon (Hoffm.) Otálora, P.M. Jørg. & Wedin	earlier under Collema polycarpon
	Enchylium tenax (Sw.) Gray	earlier under Collema tenax
Number of taxa:	4
Endococcus Nyl.
	Endococcus ramalinarius (Linds.) D. Hawksw.
Number of taxa:	1
Flavoplaca Arup, Søchting & Frödén
	Flavoplaca citrina (Hoffm.) Arup, Frödén & Søchting	earlier under Caloplaca citrina
	Flavoplaca dichroa (Arup) Arup, Frödén & Søchting	earlier under Caloplaca dichroa; includes earlier misidentification of Caloplaca coronata
	Flavoplaca marina (Wedd.) Arup, Frödén & Søchting	earlier under Caloplaca marina
	Flavoplaca microthallina (Wedd.) Arup, Frödén & Søchting	earlier under Caloplaca microthallina
Number of taxa:	4
Gyalolechia A. Massal.
	Gyalolechia bracteata (Hoffm.) A. Massal.	earlier under Fulgensia bracteata
	Gyalolechia flavorubescens (Huds.) Søchting, Frödén & Arup	earlier under Caloplaca flavorubescens
	Gyalolechia fulgens (Sw.) Søchting, Frödén & Arup	earlier under Fulgensia fulgens
Number of taxa:	3
Lathagrium (Ach.) Gray
	Lathagrium auriforme (With.) Otálora, P.M. Jørg. & Wedin	earlier under Collema auriforme
	Lathagrium cristatum (L.) Otálora, P.M. Jørg. & Wedin	earlier under Collema cristatum
	Lathagrium dichotomum (With.) Otálora, P.M. Jørg. & Wedin	earlier under Collema fluviatile; Collema dichotomum
	Lathagrium fuscovirens (With.) Otálora, P.M. Jørg. & Wedin	earlier under Collema fuscovirens
	Lathagrium undulatum (Flot.) Otálora, P.M. Jørg. & Wedin	earlier under Collema undulatum
Number of taxa:	5
Leproplaca (Nyl.) Hue
	Leproplaca chrysodeta (Vain. ex Räsänen) J. Laundon	earlier under Caloplaca chrysodeta
Number of taxa:	1
Lichenostigma Hafellner
	Lichenostigma alpinum (R. Sant., Alstrup & D. Hawksw.) Ertz & Diederich	earlier under Phaeosporobolus alpinus
Number of taxa:	1
Nesolechia A. Massal.
	Nesolechia fusca (Triebel & Rambold) Pérez-Ortega	earlier under Phacopsis fusca
	Nesolechia oxyspora (Tul.) A. Massal.	earlier under Phacopsis oxyspora
Number of taxa:	2
Opegrapha Ach.
	Opegrapha physciaria (Nyl.) D. Hawksw. & Coppins
Number of taxa:	1
Phacographa Hafellner
	Phacographa zwackhii (A. Massal ex Zwackh) Hafellner	earlier under Opegrapha zwackhii
Number of taxa:	1
Placopyrenium Breuss
	Placopyrenium fuscellum (Turner) Gueidan & Cl. Roux	earlier under Verrucaria fuscella
Number of taxa:	1
Pseudoleptogium Müll. Arg.
	Pseudoleptogium diffractum (Körb.) Müll. Arg.	earlier under Leptogium diffractum
Number of taxa:	1
Pseudoschismatomma Ertz & Tehler
	Pseudoschismatomma rufescens (Pers.) Ertz & Tehler	earlier under Opegrapha rufescens
Number of taxa:	1
Pyrenodesmia A. Massal.
	Pyrenodesmia alociza (A. Massal.) Arnold	see: Caloplaca alociza
	Pyrenodesmia chalybaea (Fr.) A. Massal.	see: Caloplaca chalybaea
	Pyrenodesmia variabilis (Pers.) A. Massal.	see: Caloplaca variabilis
Number of taxa:	3
Rhizocarpon Ramond ex DC.
	Rhizocarpon ferax H. Magn.
Number of taxa:	1
Polycauliona Hue
	Polycauliona candelaria (L.) Frödén, Arup & Søchting	earlier under Xanthoria candelaria
	Polycauliona polycarpa (Hoffm.) Frödén, Arup & Søchting	earlier under Xanthoria polycarpa
	Polycauliona verruculifera (Vain.) Arup, Frödén & Søchting	earlier under Caloplaca verruculifera
Number of taxa:	3
Rostania Trevis.
	Rostania occultata (Bagl.) Otálora, P.M. Jørg. & Wedin	earlier under Collema occultatum
Number of taxa:	1
Rusavskia S.Y. Kondr. & Kärnefelt
	Rusavskia elegans (Link) S.Y. Kondr. & Kärnefelt	earlier under Xanthoria elegans
	Rusavskia sorediata (Vain.) S.Y. Kondr. & Kärnefelt	earlier under Xanthoria sorediata
Number of taxa:	2
Solitaria Arup, Søchting & Frödén
	Solitaria chrysophthalma (Degel.) Arup, Søchting & Frödén	earlier under Caloplaca chrysophthalma
Number of taxa:	1
Scytinium (Ach.) Gray
	Scytinium aragonii (Otálora) Otálora, P.M. Jørg. & Wedin	earlier under Leptogium aragonii
	Scytinium gelatinosum (With.) Otálora, P.M. Jørg. & Wedin	earlier under Leptogium gelatinosum
	Scytinium imbricatum (P.M. Jørg.) Otálora, P.M. Jørg. & Wedin	earlier under Leptogium imbricatum
	Scytinium intermedium (Arnold) Otálora, P.M. Jørg. & Wedin	earlier under Leptogium intermedium
	Scytinium lichenoides (L.) Otálora, P.M. Jørg. & Wedin	earlier under Leptogium lichenoides
	Scytinium parvum (Degel.) Otálora, P.M. Jørg. & Wedin	earlier under Collema parvum
	Scytinium plicatile (Ach.) Otálora, P.M. Jørg. & Wedin	earlier under Leptogium plicatile
	Scytinium pulvinatum (Hoffm.) Otálora, P.M. Jørg. & Wedin	earlier under Leptogium pulvinatum
	Scytinium schraderi (Bernh.) Otálora, P.M. Jørg. & Wedin	earlier under Leptogium schraderi
	Scytinium subtile (Schrad.) Otálora, P.M. Jørg. & Wedin	earlier under Leptogium subtile
	Scytinium tenuissimum (Dicks.) Otálora, P.M. Jørg. & Wedin	earlier under Leptogium tenuissimum
	Scytinium teretiusculum (Wallr.) Otálora, P.M. Jørg. & Wedin	earlier under Leptogium teretiusculum
Number of taxa:	12
Stigmidium Trevis.
	Stigmidium hafellneri Zhurb.
Number of taxa:	1
Vahliella P.M. Jørg.
	Vahliella leucophaea (Vahl) P.M. Jørg.	earlier under Fuscopannaria leucophaea
Number of taxa:	1
Variospora Arup, Søchting & Frödén
	Variospora dolomiticola (Hue) Arup, Søchting & Frödén	earlier under Caloplaca dolomiticola
	Variospora thallincola (Wedd.) Arup, Frödén & Søchting	earlier under Caloplaca thallincola
	Variospora velana (A. Massal.) Arup, Søchting & Frödén	earlier under Caloplaca velana
Number of taxa:	3
Verrucaria Schrad.
	Verrucaria inaspecta Servít	earlier under Verrucaria olivacella
	Verrucaria lapidicola Orange
Number of taxa:	2
Violella T. Sprib.
	Violella fucata (Stirt.) T. Sprib.	earlier under Mycoblastus fucatus
Number of taxa:	1
Xanthocarpia A. Massal. & D. Not.
	Xanthocarpia crenulatella (Nyl.) Frödén, Arup & Søchting	earlier under Caloplaca crenulatella
	Xanthocarpia lactea (A. Massal.) A. Massal.	earlier under Caloplaca lactea
Number of taxa:	2
Xanthomendoza S.Y. Kondr. & Kärnefelt
	Xanthomendoza oregana (Gyeln.) Søchting, Kärnefelt & S.Y. Kondr.
	Xanthomendoza fallax (Arnold) Søchting, Kärnefelt & S.Y. Kondr.	earlier under Xanthoria fallax
	Xanthomendoza fulva (Hoffm.) Søchting, Kärnefelt & S.Y. Kondr.	earlier under Xanthoria fulva
Number of taxa:	3
Xylopsora Bendiksby & Timdal
	Xylopsora caradocensis (Nyl.) Bendiksby & Timdal	earlier under Hypocenomyce caradocensis
	Xylopsora friesii (Ach.) Bendiksby & Timdal	earlier under Hypocenomyce friesii
Number of taxa:	2
Zwackhia Körb.
	Zwackhia sorediifera (P. James) Ertz	earlier under Opegrapha sorediifera
	Zwackhia viridis (Ach.) Poetsch & Schied.	earlier under Opegrapha viridis
Number of taxa:	2
Total number of taxa:	1385