| Ramalina angustissima (Anzi) Vain. = Ramalina subfarinacea |
| Ramalina armorica Nyl. = Ramalina cuspidata |
| Ramalina atlantica W. Culb. = Ramalina cuspidata |
| Ramalina baltica = Ramalina canariensis |
| Ramalina breviuscula Nyl. = Ramalina breviuscula f. gracilescens Cromb. = Ramalina
siliquosa |
| Ramalina breviuscula, non Nyl. = Ramalina siliquosa |
| Ramalina calicaris var. canaliculata Fr. = Ramalina calicarisv |
| Ramalina calicaris var. subampliata Nyl. = Ramalina calicaris |
| Ramalina calicaris var. subfastigiata Nyl. = Ramalina calicaris |
| Ramalina crassa (Delise ex Nyl.) Motyka = Ramalina siliquosav |
| Ramalina crinalis (Ach.) Gyeln. = Ramalina thrausta |
| Ramalina crinalis, non (Ach.) Gyeln. = Ramalina chondrina |
| Ramalina curnowii Cromb. = Ramalina cuspidata |
| Ramalina curnowii var. atlantica (W. Culb.) D. Hawksw. = Ramalina cuspidata |
| Ramalina curnowii var. stenoclada (W. Culb.) D. Hawksw. & A. Fletcher = Ramalina
cuspidata |
| Ramalina cuspidata var. crassa Delise ex Nyl. = Ramalina siliquosa |
| Ramalina dilacerata (Hoffm.) Hoffm. = Ramalina druidarum W. Culb. = Ramalina siliquosa |
| Ramalina duriaei (De Not.) Bagl. = Ramalina lacera |
| Ramalina evernioides = Ramalina lacera |
| Ramalina farinacea f. rubescens = Ramalina farinacea |
| Ramalina farinacea subsp. intermedia p.max.p., non (Delise ex Nyl.) Cromb. = Ramalina
farinacea |
| Ramalina farinacea var. hypoprotocetrarica (W. Culb.) D. Hawksw. = Ramalina farinacea |
| Ramalina farinacea var. multifida Ach. = Ramalina farinacea |
| Ramalina farinacea var. pendulina (Ach.) Ach. = Ramalina farinacea |
| Ramalina farinacea var. phalerata (Ach.) Ach. = Ramalina farinacea |
| Ramalina farinacea var. reagens de Lesd. = Ramalina farinacea |
| Ramalina fastigiata f. conglobata Laurer ex Nyl. = Ramalina fastigiata |
| Ramalina fastigiata f. minutula (Ach.) Cromb. = Ramalina fastigiata |
| Ramalina fastigiata f. tortulosa A. Massal. ex Jatta = Ramalina fastigiata |
| Ramalina fenestrata Motyka = Ramalina fastigiata |
| Ramalina fraxinea f. ampliata (Ach.) anders = Ramalina fraxinea |
| Ramalina fraxinea f. taeniaeformis (Ach.) Leight. = Ramalina fraxinea |
| Ramalina fraxinea subsp. calicariformis (Nyl.) de Lesd. = Ramalina fraxinea |
| Ramalina fraxinea var. ampliata Ach. = Ramalina fraxinea |
| Ramalina fraxinea var. calicariformis Nyl. = Ramalina fraxinea |
| Ramalina fraxinea var. pellucida A.E. Wade = Ramalina fastigiata |
| Ramalina fraxinea var. taeniaeformis Ach. = Ramalina fraxinea |
| Ramalina geniculata = Ramalina fastigiata |
| Ramalina hypoprotocetrarica W. Culb. = Ramalina farinacea |
| Ramalina incrassata (Nyl.) Motyka = Ramalina siliquosa |
| Ramalina intermedia = Ramalina farinacea |
| Ramalina intermedia Delise ex Nyl. = Ramalina minuscula (Nyl.) Nyl. = Ramalina
dilacerata |
| Ramalina intermedia sensu A.E. Wade = Ramalina subfarinacea |
| Ramalina obtusata (Arnold) Bitter = not correctly reported from the British Isles |
| Ramalina obtusata = Ramalina canariensis |
| Ramalina obtusata var. ventricosa, non (Eitner) Keissl. = Ramalina canariensis |
| Ramalina pollinaria = Ramalina farinacea |
| Ramalina pollinaria = Ramalina lacera |
| Ramalina pollinaria var. humilis = Ramalina farinacea |
| Ramalina pollinaria var. humilis Ach. = Ramalina pollinaria |
| Ramalina polymorpha = Ramalina siliquosa |
| Ramalina polymorpha var. emplecta (Ach.) Ach. = Ramalina polymorpha |
| Ramalina populina (Hoffm.) Vain. = Ramalina fastigiata |
| Ramalina reagens (de Lesd.) W. Culb. = Ramalina farinacea |
| Ramalina scopulorum (Retz.) Ach. = Ramalina siliquosa |
| Ramalina scopulorum var. incrassata Nyl. = Ramalina siliquosa |
| Ramalina scopulorum var. polymorpha (Lilj.) Mudd = Ramalina siliquosa |
| Ramalina scopulorum var. polymorpha p.max.p. = Ramalina siliquosa |
| Ramalina scopulorum var. subfarinacea Nyl. ex Cromb. = Ramalina subfarinacea |
| Ramalina siliquosa f. cornuata (Ach.) A.E. Wade = Ramalina siliquosa |
| Ramalina siliquosa f. cornuta (Harm.) A.E. Wade = Ramalina siliquosa |
| Ramalina siliquosa f. crassa (Delise ex Nyl.) A.E. Wade = Ramalina siliquosa |
| Ramalina siliquosa f. incrassata (Nyl.) A.E. Wade = Ramalina siliquosa |
| Ramalina siliquosa f. rugosa (H. Olivier) A.E. Wade = Ramalina siliquosa |
| Ramalina siliquosa f. tuberculosa (H. Olivier) A.E. Wade = Ramalina siliquosa |
| Ramalina siliquosa var. armorica (Nyl.) D. Hawksw. = Ramalina cuspidata |
| Ramalina siliquosa var. crassa (Delise ex Nyl.) D. Hawksw. = Ramalina siliquosa |
| Ramalina siliquosa var. druidarum (W. Culb.) D. Hawksw. = Ramalina siliquosa |
| Ramalina siliquosa var. gracilescens (Cromb.) A.E. Wade = Ramalina siliquosa |
| Ramalina siliquosa var. scopulorum (Retz.) A.E. Wade = Ramalina siliquosa |
| Ramalina stenoclada W. Culb. = Ramalina cuspidata |
| Ramalina strepsilis (Ach.) Zahlbr. = Ramalina capitata |
| Ramalina subfarinacea var. reagens (de Lesd.) D. Hawksw. = Ramalina farinacea |
| Ramalina subfarinacea var. salazinica D. Hawksw. = Ramalina farinacea |
| Ramalina thrausta = Ramalina chondrina |
| Ramonia aff. luteola Vezda = Ramonia interjecta |
| Ramularia peltigericola D. Hawksw. = Hawksworthiana peltigericola |
| Raphiospora flavovirescens (Dicks.) = Arthrorhaphis citrinella |
| Rhacodiopsis rupestris (Pers.) Donk = Racodium rupestre |
| Rhizocarpon alboatrum (Hoffm.) Anzi = Diplotomma alboatrum |
| Rhizocarpon alboatrum var. epipolium (Ach.) A.L. Sm. = Diplotomma epipolium |
| Rhizocarpon alboatrum var. epipolium = Diplotomma alboatrum |
| Rhizocarpon alboatrum var. venustum = Diplotomma alboatrum |
| Rhizocarpon atlanticum I.M. Lamb = Rhizocarpon richardii |
| Rhizocarpon atroalbescens (Nyl.) Zahlbr. = Rhizocarpon eupetraeoides |
| Rhizocarpon calcareum (Ach.) Anzi = Rhizocarpon umbilicatum |
| Rhizocarpon chlorophaeum Hepp ex Mьll. Arg. = Diplotomma chlorophaeum |
| Rhizocarpon colludens sensu Fryday (1996) = Rhizocarpon hochstetteri |
| Rhizocarpon colludens var. rufoatrum sensu Fryday (1996) = Rhizocarpon hochstetteri
[stictic acid-containing race] |
| Rhizocarpon concentricum auct., non (Davies) Beltr. = Rhizocarpon petraeum |
| Rhizocarpon concentricum var. excentricum (Ach.) Syd. = Rhizocarpon petraeum |
| Rhizocarpon confervoides p.max.p. = Rhizocarpon reductum |
| Rhizocarpon confervoides p.min.p. = Rhizocarpon lavatum |
| Rhizocarpon constrictum Malme = Rhizocarpon richardii |
| Rhizocarpon crystalligenum Lynge = Rhizocarpon superficiale |
| Rhizocarpon cyclodes Hellb. ex Th. Fr. = Rhizocarpon copelandii |
| Rhizocarpon disporum (Nдgeli ex Hepp) Mьll. Arg. = Rhizocarpon drepanodes Feuerer =
Rhizocarpon ferax |
| Rhizocarpon disporum, non (Nдgeli ex Hepp) Mьll. Arg. = Rhizocarpon geminatum |
| Rhizocarpon expallescens = Rhizocarpon caesium |
| Rhizocarpon frigidum = Rhizocarpon geographicum |
| Rhizocarpon geographicum subsp. arcticum (Runemark) Hertel = Rhizocarpon geographicum |
| Rhizocarpon geographicum subsp. diabasicum Poelt & Vezda = Rhizocarpon
geographicum |
| Rhizocarpon geographicum subsp. frigidum Hertel = Rhizocarpon geographicum |
| Rhizocarpon geographicum subsp. prospectans D. Hawksw. & Sowter = Rhizocarpon
geographicum |
| Rhizocarpon geographicum var. atrovirens (L.) = Rhizocarpon geographicum |
| Rhizocarpon geographicum var. geronticum (Ach.) = Rhizocarpon alpicola |
| Rhizocarpon geographicum var. lecanorinum = Rhizocarpon lecanorinum |
| Rhizocarpon geographicum var. sphaericum (Schaer.) Mudd = Rhizocarpon viridiatrum |
| Rhizocarpon geographicum var. urceolatum sensu Mudd = Rhizocarpon geographicum |
| Rhizocarpon hochstetteri = Rhizocarpon infernulum f. infernulum |
| Rhizocarpon hochstetteri = Rhizocarpon infernulum f. sylvaticum Fryday |
| Rhizocarpon hochstetteri var. rufoatrum Fryday ad int. = Rhizocarpon hochstetteri
[stictic acid-containing race] |
| Rhizocarpon intersitum = application uncertain |
| Rhizocarpon lindsayanum = Rhizocarpon geographicum |
| Rhizocarpon lindsayanum subsp. kittilense Runemark = Rhizocarpon geographicum |
| Rhizocarpon lotum = Rhizocarpon postumum |
| Rhizocarpon montagnei = Rhizocarpon disporum (Nдgeli ex Hepp) Mьll. Arg. |
| Rhizocarpon obscuratum (Ach.) A. Massal. = Rhizocarpon lavatum |
| Rhizocarpon obscuratum = Rhizocarpon reductum |
| Rhizocarpon obscuratum subsp. roridulum sensu A.L. Sm., non Th. Fr. = Rhizocarpon
lavatum |
| Rhizocarpon obscuratum var. reductum (Th. Fr.) Eitner = Rhizocarpon reductum |
| Rhizocarpon obscuratum var. roridulum (Th. Fr.) Elenkin = Rhizocarpon roridulum (Th.
Fr. ) H. Olivier |
| Rhizocarpon obscuratum var. roridulum, non (Th. Fr.) Elenkin = Rhizocarpon lavatum |
| Rhizocarpon oceanicum Fryday ad int. = Rhizocarpon infernulum f. sylvaticum Fryday |
| Rhizocarpon orphninum (Vain.) Zahlbr. = Rhizocarpon distinctum |
| Rhizocarpon perlutum (Nyl.) Zahlbr. = Rhizocarpon petraeum |
| Rhizocarpon petraeum var. concentricum sensu Mudd = Rhizocarpon petraeum |
| Rhizocarpon petraeum var. excentricum sensu A.L. Sm. = Rhizocarpon petraeum |
| Rhizocarpon petraeum var. lavatum (Fr.) Mudd = Rhizocarpon lavatum |
| Rhizocarpon plicatile (Leight.) A.L. Sm. = Stereocaulon plicatile |
| Rhizocarpon plicatile = Rhizocarpon reductum |
| Rhizocarpon polycarpon (Hepp) Th. Fr. = Rhizocarpon polycarpum |
| Rhizocarpon riparium = Rhizocarpon geographicum |
| Rhizocarpon riparium subsp. lindsayanum Thomson = Rhizocarpon geographicum |
| Rhizocarpon roridulum (Th. Fr.) H. Olivier = Rhizocarpon rubescens = Rhizocarpon
reductum |
| Rhizocarpon soreumidium (Stirt.) A.L. Sm. = Diplotomma alboatrum |
| Rhizocarpon superficiale subsp. boreale Runemark = Rhizocarpon superficiale |
| Rhizocarpon tinei subsp. arcticum Runemark = Rhizocarpon geographicum |
| Rhizocarpon tinei subsp. diabasicum Runemark = Rhizocarpon geographicum |
| Rhizocarpon tinei subsp. prospectans Runemark = Rhizocarpon geographicum |
| Rhizocarpon tinei subsp. vulgare Runemark = Rhizocarpon geographicum |
| Rhizocarpon transiens Eitner = Rhizonema interruptum (Carmich. ex Hook.) Thwaites =
Dictyonema interruptum |
| Rhizomorpha dichotoma Sowerby = name of uncertain application {F} |
| Rhizomorpha spinosa Ach. = name of uncertain application {F} |
| Rhymbocarpus gregarius (Sherwood, D. Hawksw. & Coppins) Triebel = Skyttea gregaria |
| Ricasolia amplissima (Scop.) De Not. = Lobaria amplissima |
| Ricasolia glomulifera (Lightf.) Nyl. = Lobaria amplissima |
| Ricasolia laetevirens (Lightf.) Leight. = Lobaria virens |
| Riccia auriformis With. = Collema auriforme |
| Rimelia reticulata (Taylor) Hale & A. Fletcher = Parmotrema reticulatum |
| Rinodina aequata (Ach.) Flagey = Rinodina albidorimulosa (Harm.) Zahlbr. = Rinodina
alba Metzler ex Arnold |
| Rinodina arnoldii H. Mayrhofer & Poelt = Rinodina biatorina = Rinodina oxydata |
| Rinodina bischoffii var. immersa = Rinodina immersa |
| Rinodina cerina (Hedw.) Gray = Caloplaca cerina |
| Rinodina colobina, non (Ach.) Th. Fr. = Rinodina pityrea |
| Rinodina confragosa sensu A.L. Sm. = Rinodina beccariana |
| Rinodina coniopta (Nyl.) Hav. = Rinodina luridescens |
| Rinodina demissa = Rinodina gennarii |
| Rinodina discolor (Hepp) Arnold = Rinodina oxydata |
| Rinodina exigua p.max.p., non (Ach.) Gray = Rinodina oleae |
| Rinodina exigua var. ‘lecideina’ [sphalm.] sensu P. James = Rinodina exigua var.
lecidioides (Nyl.) Th. Fr. (q.v.) |
| Rinodina exigua var. lecideoides (Nyl.) Th. Fr. = Rinodina lecideoides (Nyl.) Kernst. |
| Rinodina exigua var. lecideoides, non (Nyl.) Th. Fr. = Rinodina gennarii |
| Rinodina glaucoma (Hoffm.) Gray = Lecanora rupicola |
| Rinodina lecideina H. Mayrhofer & Poelt = Amandinea lecideina |
| Rinodina milvina p.max.p. = Rinodina atrocinerea |
| Rinodina polyspora Th. Fr. = Rinodina salina Degel. = Rinodina gennarii |
| Rinodina subarenaria A.L. Sm. = Rinodina oxydata |
| Rinodina subexigua (Nyl.) H. Olivier = Rinodina gennarii |
| Rinodina subglaucescens (Nyl.) Sheard = Rinodina beccariana |
| Rinodina subglaucescens [on plant debris] = Rinodina roboris var. armeriicola |
| Rinodina tuberculosa (Ach.) Gray = Aspicilia tuberculosa |
| Rinodina umbrinofusca (Nyl.) H. Olivier = Buellia aethalea |
| Rinodina ventosa (L.) Gray = Ophioparma ventosa |
| Roccella fucoides Vain. = Roccella phycopsis |
| Ropalospora lugubris f. sorediata Fryday ad int. = unpublished name |
| Rusavskia elegans (Link) S. Kondratyuk & Kдrnefelt = Xanthoria elegans |
