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  Fungi
      Ascomycota
        Pezizomycotina
            Arthoniomycetes
              Arthoniomycetidae
                    Arthoniales
                           [Opegraphales]
                            Opegraphaceae
                                     Combea
                                             Combea mollusca
                                                   [Combea pruinosa]
                                                   [Dactylina mollusca]
                                                   [Dufourea mollusca]
                                                   [Parmelia mollusca]
                                                   [Roccella mollusca]
                                     Cresponea
                                             Cresponea apiculata
                                             Cresponea chloroconia
                                                   [Lecanactis chloroconia]
                                                   [Lecidea chloroconia]
                                                   [Opegrapha chloroconia]
                                             Cresponea flava
                                                   [Lecanactis flava]
                                             Cresponea flavescens
                                             Cresponea follmannii
                                             Cresponea japonica
                                             Cresponea leprieurii
                                                   [Bombyliospora dolichospora var. obscurata]
                                                   [Lecanactis leprieurii f. brachyspora]
                                                   [Lecanactis leprieurii f. leprieurii]
                                                   [Lecanactis leprieurii]
                                                   [Lecidea leprieurii]
                                             Cresponea leprieuroides
                                             Cresponea litoralis
                                             Cresponea macrocarpoides
                                             Cresponea melanocheilodes
                                             Cresponea melanocheloides
                                             Cresponea plurilocularis
                                             Cresponea premnea
                                                   [Bilimbia premnea]
                                                   [Lecanactis plocina subsp. premnea]
                                                   [Lecanactis premnea f. premnea]
                                                   [Lecanactis premnea f. saxicola]
                                                   [Lecanactis premnea f. teichogena]
                                                   [Lecanactis premnea var. argillacea]
                                                   [Lecanactis premnea var. melargyra]
                                                   [Lecanactis premnea var. plurilocularis]
                                                   [Lecanactis premnea var. premnea]
                                                   [Lecanactis premnea var. saxicola]
                                                   [Lecanactis premnea]
                                                   [Lecidea premnea f. premnea]
                                                   [Lecidea premnea f. teichogena]
                                                   [Lecidea premnea var. argillacea]
                                                   [Lecidea premnea var. plurilocularis]
                                                   [Lecidea premnea var. premnea]
                                                   [Lecidea premnea var. saxicola]
                                                   [Lecidea premnea]
                                                   [Opegrapha premnea]
                                                   [Patellaria premnea]
                                                   [Schismatomma premneum var. premneum]
                                                   [Schismatomma premneum var. saxicola]
                                                   [Schismatomma premneum var. saxicolum]
                                                   [Schismatomma premneum]
                                               Cresponea premnea var. premnea
                                               Cresponea premnea var. saxicola
                                             Cresponea proximata
                                                   [Lecanactis proximata]
                                                   [Lecidea proximata]
                                     Dictyographa
                                             Dictyographa angolensis
                                             Dictyographa arabica
                                             Dictyographa cinerea
                                             Dictyographa contortuplicata
                                             Dictyographa epiphylla
                                             Dictyographa gracillima
                                             Dictyographa psyllocarpa
                                             Dictyographa sandwicensis
                                             Dictyographa varians
                                     Dolichocarpus
                                             Dolichocarpus chilensis
                                             Dolichocarpus seawardii
                                     Fouragea
                                             Fouragea filicina
                                                   [Opegrapha filicina var. brevis]
                                                   [Opegrapha filicina]
                                                   [Opegraphella filicina]
                                             Fouragea phyllobia
                                             Fouragea puiggarii
                                                   [Opegraphella puiggarii]
                                     Ingaderia
                                             Ingaderia friabillima
                                             Ingaderia gracillima
                                             Ingaderia pulcherrima
                                     Llimonaea
                                             Llimonaea cinnabarinae
                                             Llimonaea flexuosa
                                             Llimonaea occulta
                                             Llimonaea pertusariae
                                             Llimonaea phaeophysciae
                                             Llimonaea pyrenulae
                                             Llimonaea sorediata
                                     Nyungwea
                                             Nyungwea anguinella
                                                   [Chiodecton anguinellum]
                                                   [Enterographa anguinella]
                                                   [Opegrapha anguinella]
                                                   [Stigmatidium anguinellum]
                                             Nyungwea pallida
                                             Nyungwea pycnidiata
                                     Opegrapha
                                           [Diplogramma]
                                           [Diplogrammatomyces]
                                           [Hysterina]
                                           [Kalaallia]
                                           [Lecoglyphis]
                                           [Opegraphella]
                                           [Opegraphoidea]
                                           [Opegraphomyces]
                                           [Sclerographa]
                                           [Xylastra]
                                             Opegrapha abbreviata
                                             Opegrapha abnormis
                                               Opegrapha abnormis var. abnormis
                                               Opegrapha abnormis var. varia
                                             Opegrapha abscondita
                                                   Opegrapha abscondita f. abscondita
                                                   Opegrapha abscondita f. dissoluta
                                                   Opegrapha abscondita f. subdenudata
                                             Opegrapha acervulata
                                             Opegrapha acicularis
                                             Opegrapha actophila
                                             Opegrapha adpicta
                                             Opegrapha adtinens
                                             Opegrapha aegyptiaca
                                             Opegrapha aenea
                                             Opegrapha africana
                                             Opegrapha agelaea
                                               Opegrapha agelaea var. agelaea
                                               Opegrapha agelaea var. confertissima
                                             Opegrapha agelaeina
                                             Opegrapha agelaeoides
                                             Opegrapha agelaeotera
                                             Opegrapha aggregata
                                             Opegrapha alba
                                             Opegrapha albidoatra
                                             Opegrapha alboatra
                                             Opegrapha albocincta
                                             Opegrapha albocinerea
                                             Opegrapha alborimosa
                                                   Opegrapha alborimosa f. alborimosa
                                                   Opegrapha alborimosa f. brevicarpa
                                                   Opegrapha alborimosa f. tenuirimis
                                               Opegrapha alborimosa var. alborimosa
                                               Opegrapha alborimosa var. candissima
                                               Opegrapha alborimosa var. globulifica
                                               Opegrapha alborimosa var. reticulata
                                               Opegrapha alborimosa var. senescens
                                             Opegrapha allorgei
                                             Opegrapha amfractuosa
                                             Opegrapha andamanica
                                             Opegrapha angolensis
                                             Opegrapha angulosa
                                             Opegrapha angustata
                                             Opegrapha anomala
                                             Opegrapha anomea
                                                   [Dactylospora anomea]
                                                   [Leciographa pertusariae]
                                                   [Mycobilimbia anomea]
                                                   [Opegraphoidea quaternella]
                                             Opegrapha aperiens
                                                   Opegrapha aperiens f. aperiens
                                                   Opegrapha aperiens f. crustosa
                                             Opegrapha apex
                                             Opegrapha aphoristica
                                             Opegrapha apomelaena
                                             Opegrapha approximata
                                             Opegrapha arabica
                                             Opegrapha arengae
                                             Opegrapha areniseda
                                             Opegrapha argillicola
                                             Opegrapha arthonioidea
                                               Opegrapha arthonioidea var. arthonioidea
                                               Opegrapha arthonioidea var. macrospora
                                             Opegrapha arthonioides
                                             Opegrapha arthrospora
                                             Opegrapha assidens
                                             Opegrapha asteroma
                                             Opegrapha astraea
                                                   [Melaspilea octomera]
                                             Opegrapha atacamensis
                                             Opegrapha aterrima
                                             Opegrapha aterula
                                                   Opegrapha aterula f. adspersa
                                                   Opegrapha aterula f. aterula
                                                   Opegrapha aterula f. elongata
                                             Opegrapha atratula
                                                   Opegrapha atratula f. atratula
                                                   Opegrapha atratula f. elongata
                                             Opegrapha atricolor
                                             Opegrapha atrorimalis
                                               Opegrapha atrorimalis var. atrorimalis
                                               Opegrapha atrorimalis var. betulina
                                             Opegrapha atrorufescens
                                             Opegrapha atroviridis
                                             Opegrapha aurantiaca
                                             Opegrapha aurita
                                             Opegrapha australiensis
                                             Opegrapha autographa
                                             Opegrapha bacillosa
                                             Opegrapha bahamensis
                                             Opegrapha bardanae
                                             Opegrapha bengalensis
                                             Opegrapha betulae
                                             Opegrapha betuligna
                                             Opegrapha betulinoides
                                                   Opegrapha betulinoides f. betulinoides
                                                   Opegrapha betulinoides f. denudata
                                             Opegrapha biseptata
                                             Opegrapha bisokeana
                                             Opegrapha blakii
                                             Opegrapha bogoriensis
                                             Opegrapha bonplandii
                                                   Opegrapha bonplandii f. bonplandii
                                                   Opegrapha bonplandii f. minutissima
                                               Opegrapha bonplandii var. abbreviata
                                               Opegrapha bonplandii var. bonplandii
                                               Opegrapha bonplandii var. chondrochracea
                                               Opegrapha bonplandii var. conglomerata
                                               Opegrapha bonplandii var. crustulosa
                                               Opegrapha bonplandii var. imitans
                                               Opegrapha bonplandii var. minutissima
                                             Opegrapha borbonica
                                             Opegrapha brachycarpa
                                             Opegrapha brachycarpoides
                                             Opegrapha brevis
                                             Opegrapha brevissima
                                             Opegrapha breviuscula
                                             Opegrapha brigantina
                                             Opegrapha buelliae
                                             Opegrapha bullata
                                             Opegrapha byssacea
                                             Opegrapha cactacearum
                                             Opegrapha caesia
                                             Opegrapha caesioatra
                                             Opegrapha calcea
                                             Opegrapha calva
                                             Opegrapha cana
                                             Opegrapha candida
                                             Opegrapha capensis
                                             Opegrapha catarrapha
                                             Opegrapha catarrhapha
                                             Opegrapha cavernicola
                                             Opegrapha celtidicola
                                             Opegrapha cerebralis
                                             Opegrapha cesareensis
                                             Opegrapha chapsae
                                             Opegrapha chionographa
                                             Opegrapha chionoplaca
                                             Opegrapha chlorocarpoides
                                             Opegrapha chlorographa
                                             Opegrapha chlorographiza
                                             Opegrapha chrysocarpa
                                             Opegrapha cicatricula
                                             Opegrapha cicatrisans
                                             Opegrapha cincta
                                             Opegrapha cinereovirens
                                             Opegrapha circumducta
                                             Opegrapha cladoniicola
                                             Opegrapha coccinea
                                             Opegrapha colliculosa
                                             Opegrapha columbina
                                             Opegrapha comma
                                             Opegrapha commatodes
                                             Opegrapha concatenata
                                             Opegrapha concrucians
                                             Opegrapha condaminea
                                             Opegrapha conferta
                                             Opegrapha confertoides
                                             Opegrapha confertula
                                             Opegrapha confusula
                                             Opegrapha congesta
                                             Opegrapha conglomerans
                                             Opegrapha conglomerata
                                             Opegrapha connivens
                                             Opegrapha consimillima
                                             Opegrapha consors
                                             Opegrapha contracta
                                             Opegrapha convexula
                                             Opegrapha corinnae
                                             Opegrapha corticola
                                             Opegrapha corumbensis
                                             Opegrapha coryli
                                             Opegrapha crassa
                                             Opegrapha crassilabra
                                             Opegrapha crassispora
                                             Opegrapha crenulata
                                             Opegrapha cretacea
                                             Opegrapha crustacea
                                             Opegrapha cryptotheciae
                                             Opegrapha curvata
                                             Opegrapha curvula
                                             Opegrapha cylindrica
                                             Opegrapha cymbiformis
                                               Opegrapha cymbiformis var. cymbiformis
                                               Opegrapha cymbiformis var. deformis
                                               Opegrapha cymbiformis var. lichenoides
                                             Opegrapha cypressi
                                             Opegrapha danica
                                             Opegrapha deblockiae
                                             Opegrapha declinans
                                             Opegrapha decolorata
                                             Opegrapha decussata
                                             Opegrapha dekeselii
                                             Opegrapha delicata
                                             Opegrapha demutata
                                               Opegrapha demutata var. arborea
                                               Opegrapha demutata var. demutata
                                             Opegrapha depressa
                                             Opegrapha desquamescens
                                             Opegrapha deusta
                                             Opegrapha devia
                                             Opegrapha diagrapha
                                             Opegrapha diagraphoides
                                             Opegrapha dialeuca
                                             Opegrapha diaphorella
                                             Opegrapha diaphoriza
                                                   [Opegrapha macquariensis]
                                             Opegrapha diaphoroides
                                             Opegrapha diatona
                                             Opegrapha dibbenii
                                             Opegrapha dicarpigera
                                             Opegrapha dichaenella
                                             Opegrapha difficilior
                                             Opegrapha difficilis
                                             Opegrapha diffracta
                                             Opegrapha diffracticola
                                             Opegrapha diffusa
                                             Opegrapha dimidiata
                                             Opegrapha diplasiospora
                                             Opegrapha dirinaria
                                             Opegrapha dirinicola
                                             Opegrapha dirinoides
                                             Opegrapha discoides
                                             Opegrapha discolor
                                             Opegrapha dolomitica
                                                   [Opegrapha rupestris var. dolomitica]
                                                   [Opegrapha saxicola subsp. dolomitica]
                                                   [Opegrapha saxicola var. dolomitica]
                                             Opegrapha dracaenarum
                                             Opegrapha duckei
                                             Opegrapha duriaei
                                             Opegrapha durieui
                                             Opegrapha eckfeldtii
                                             Opegrapha ectolechiacearum
                                             Opegrapha elevata
                                             Opegrapha elisae
                                             Opegrapha emersa
                                             Opegrapha encephalographoidea
                                             Opegrapha endochroma
                                             Opegrapha endoleuca
                                             Opegrapha enteroleuca
                                             Opegrapha epigraphella
                                               Opegrapha epigraphella var. elongata
                                               Opegrapha epigraphella var. epigraphella
                                             Opegrapha epiphega
                                             Opegrapha epiporina
                                             Opegrapha erosa
                                             Opegrapha eulychniae
                                             Opegrapha euphorbiae
                                             Opegrapha exaltata
                                             Opegrapha excentrica
                                             Opegrapha exiguella
                                             Opegrapha exornata
                                             Opegrapha faginea
                                             Opegrapha farinacea
                                             Opegrapha farinosa
                                             Opegrapha farinulenta
                                             Opegrapha fauriei
                                             Opegrapha feeana
                                             Opegrapha fertilis
                                             Opegrapha fineranii
                                             Opegrapha flexuoserpens
                                             Opegrapha flexuososerpens
                                             Opegrapha follmannii
                                             Opegrapha foreaui
                                             Opegrapha forsandri
                                             Opegrapha frustulosa
                                             Opegrapha fuliginosa
                                             Opegrapha fumosa
                                             Opegrapha fusca
                                             Opegrapha fuscella
                                                   Opegrapha fuscella f. deplanata
                                                   Opegrapha fuscella f. fuscella
                                                   Opegrapha fuscella f. spermogonifera
                                                   Opegrapha fuscella f. subpulicaris
                                               Opegrapha fuscella var. discrepans
                                               Opegrapha fuscella var. fuscella
                                             Opegrapha fuscescens
                                             Opegrapha fuscomaculans
                                             Opegrapha fuscospurcans
                                             Opegrapha fuscothallina
                                             Opegrapha fuscovirens
                                             Opegrapha fuscula
                                             Opegrapha geographica
                                             Opegrapha geographicola
                                             Opegrapha georgii
                                             Opegrapha gibba
                                             Opegrapha gigantea
                                             Opegrapha glaucoma
                                             Opegrapha globosa
                                             Opegrapha gracilescens
                                             Opegrapha gracilior
                                             Opegrapha grammitis
                                             Opegrapha graphicula
                                             Opegrapha gregalis
                                             Opegrapha gregaria
                                               Opegrapha gregaria var. gregaria
                                               Opegrapha gregaria var. obscura
                                               Opegrapha gregaria var. pruinata
                                             Opegrapha grossulina
                                             Opegrapha gyrocarpoides
                                             Opegrapha gyrophorica
                                             Opegrapha hapaleoides
                                                   Opegrapha hapaleoides f. deplanata
                                                   Opegrapha hapaleoides f. hapaleoides
                                                   Opegrapha hapaleoides f. spermogonifera
                                                   Opegrapha hapaleoides f. subpulicaris
                                               Opegrapha hapaleoides var. discrepans
                                               Opegrapha hapaleoides var. hapaleoides
                                             Opegrapha hawaiiensis
                                             Opegrapha hebraica
                                             Opegrapha heliabravoa
                                             Opegrapha hellespontica
                                             Opegrapha herbarum
                                                   [Opegrapha betulina var. betulina]
                                                   [Opegrapha betulina var. conferta]
                                                   [Opegrapha betulina var. herbarum]
                                                   [Opegrapha betulina]
                                                   [Opegrapha culmigena]
                                                   [Opegrapha prosodeoides]
                                                   [Opegrapha turneri]
                                                   Opegrapha herbarum f. betulina
                                                   Opegrapha herbarum f. conferta
                                                   Opegrapha herbarum f. herbarum
                                               Opegrapha herbarum var. betulina
                                               Opegrapha herbarum var. conferta
                                               Opegrapha herbarum var. herbarum
                                             Opegrapha herrei
                                             Opegrapha heterocarpa
                                             Opegrapha heterospora
                                             Opegrapha heufleriana
                                             Opegrapha hiascens
                                             Opegrapha hieroglyphica
                                             Opegrapha hoyae
                                             Opegrapha humilis
                                             Opegrapha huneckii
                                             Opegrapha hyoteriiformis
                                             Opegrapha hysteriiformis
                                             Opegrapha hysterimorpha
                                             Opegrapha hysterioides
                                             Opegrapha hysteriospora
                                             Opegrapha illecebrosula
                                             Opegrapha implexa
                                             Opegrapha inaequalis
                                             Opegrapha inaequans
                                             Opegrapha inalbescens
                                             Opegrapha inarensis
                                             Opegrapha indica
                                             Opegrapha insidens
                                                   [Leciographa insidens]
                                             Opegrapha insignior
                                               Opegrapha insignior var. fusca
                                               Opegrapha insignior var. insignior
                                             Opegrapha insularis
                                             Opegrapha interalbata
                                             Opegrapha interalbescens
                                             Opegrapha interalbicans
                                             Opegrapha interductula
                                             Opegrapha intertexta
                                             Opegrapha interveniens
                                             Opegrapha intricata
                                             Opegrapha intrusa
                                             Opegrapha invadens
                                             Opegrapha irosina
                                             Opegrapha isabellina
                                             Opegrapha jamaicensis
                                             Opegrapha kalbii
                                             Opegrapha keyensis
                                             Opegrapha klementii
                                             Opegrapha koerberiana
                                             Opegrapha lacteella
                                             Opegrapha lactifera
                                             Opegrapha laeta
                                             Opegrapha lambinonii
                                             Opegrapha lamyi
                                                   [Buellia lamyi]
                                                   [Dactylospora lamyi]
                                                   [Lecidea lamyi var. lamyi]
                                                   [Lecidea lamyi var. triplicands]
                                                   [Lecidea lamyi]
                                                   [Leciographa lamyi var. lamyi]
                                                   [Leciographa lamyi var. triplicantis]
                                                   [Leciographa lamyi]
                                             Opegrapha laubertiana
                                             Opegrapha lavicola
                                             Opegrapha lecanactis
                                             Opegrapha lecanatis
                                             Opegrapha leioplaca
                                             Opegrapha lentiginosa
                                             Opegrapha lepidella
                                             Opegrapha leprieurii
                                             Opegrapha leptocarpoides
                                             Opegrapha leptochroma
                                             Opegrapha leptographa
                                             Opegrapha leptoloma
                                             Opegrapha leptoplacella
                                             Opegrapha leptospora
                                             Opegrapha leptotera
                                             Opegrapha leptoterodes
                                             Opegrapha leucina
                                             Opegrapha leuckertii
                                             Opegrapha leucocarpa
                                             Opegrapha leucophaea
                                             Opegrapha leucophila
                                             Opegrapha leucoplaca
                                             Opegrapha levidensis
                                             Opegrapha lichenicola
                                             Opegrapha lignicola
                                             Opegrapha lilacina
                                             Opegrapha limitata
                                             Opegrapha lineata
                                             Opegrapha lineola
                                             Opegrapha linguata
                                               Opegrapha linguata var. linguata
                                               Opegrapha linguata var. rufofusca
                                             Opegrapha literella
                                             Opegrapha lithryga
                                             Opegrapha lithyrga
                                                   [Graphis lithyrga]
                                                   [Opegrapha lithyrga f. ochracea]
                                                   [Opegrapha lithyrga f. steriza]
                                                   [Opegrapha lithyrga var. ochracea]
                                                   [Opegrapha lithyrgodes]
                                                   [Opegrapha vulgata f. steriza]
                                                   Opegrapha lithyrga f. lithyrga
                                               Opegrapha lithyrga var. lithyrga
                                               Opegrapha lithyrga var. notha
                                               Opegrapha lithyrga var. vestita
                                             Opegrapha lithyrgiza
                                                   Opegrapha lithyrgiza f. elongata
                                                   Opegrapha lithyrgiza f. lithyrgiza
                                             Opegrapha longula
                                             Opegrapha lopezariae
                                             Opegrapha lurida
                                             Opegrapha luridescens
                                             Opegrapha lusitanica
                                             Opegrapha lutulenta
                                             Opegrapha luzonensis
                                             Opegrapha lyellii
                                             Opegrapha lynceoides
                                             Opegrapha macrocarpa
                                             Opegrapha macrospora
                                             Opegrapha maculans
                                             Opegrapha macularis
                                               Opegrapha macularis var. macularis
                                               Opegrapha macularis var. quercina
                                             Opegrapha maldiveana
                                             Opegrapha maligna
                                             Opegrapha malmei
                                             Opegrapha marginata
                                             Opegrapha maroccana
                                             Opegrapha martii
                                             Opegrapha matzeri
                                             Opegrapha mazosiae
                                             Opegrapha mazosioides
                                             Opegrapha medusula
                                             Opegrapha medusulina
                                             Opegrapha medusuliza
                                             Opegrapha megaconidia
                                             Opegrapha megagonidia
                                             Opegrapha mehdiensis
                                             Opegrapha melambo
                                             Opegrapha melanogramma
                                             Opegrapha melanophthalma
                                             Opegrapha melanospila
                                                   [Mycobilimbia melanospila]
                                             Opegrapha menyharthii
                                             Opegrapha mesophlebia
                                                   [Melaspilea mesophlebia]
                                             Opegrapha microcarpella
                                             Opegrapha microcycla
                                             Opegrapha microphlebia
                                             Opegrapha microphleboides
                                             Opegrapha microsema
                                             Opegrapha microsperma
                                             Opegrapha microspora
                                             Opegrapha microstictica
                                             Opegrapha millegrana
                                             Opegrapha minuta
                                             Opegrapha minutula
                                             Opegrapha modesta
                                             Opegrapha moroziana
                                             Opegrapha mozambica
                                             Opegrapha mucosa
                                             Opegrapha multipuncta
                                             Opegrapha multipunctata
                                             Opegrapha multiseptata
                                                   Opegrapha multiseptata f. brevicarpa
                                                   Opegrapha multiseptata f. depressa
                                                   Opegrapha multiseptata f. multiseptata
                                               Opegrapha multiseptata var. brevicarpa
                                               Opegrapha multiseptata var. multiseptata
                                               Opegrapha multiseptata var. plicatula
                                             Opegrapha muriformis
                                             Opegrapha murina
                                             Opegrapha murorum
                                             Opegrapha mutabilis
                                             Opegrapha myriocarpa
                                             Opegrapha nana
                                             Opegrapha navicularis
                                             Opegrapha negrosina
                                             Opegrapha nigeriensis
                                             Opegrapha nigra
                                             Opegrapha niveoatra
                                                   [Opegrapha amphotera]
                                                   [Opegrapha dubia]
                                                   [Opegrapha subsiderella f. simplex]
                                                   [Opegrapha subsiderella f. subsiderella]
                                                   [Opegrapha subsiderella]
                                                   [Opegrapha vulgata var. subsiderella]
                                                   [Pyrenotea hippocastani]
                                                   [Pyrenotea niveoatra]
                                                   [Thrombium niveoatrum]
                                                   [Verrucaria niveoatra]
                                                   Opegrapha niveoatra f. intermedia
                                                   Opegrapha niveoatra f. niveoatra
                                                   Opegrapha niveoatra f. olivaceonigra
                                             Opegrapha nothella
                                             Opegrapha nyungweana
                                             Opegrapha oblonga
                                             Opegrapha obscura
                                             Opegrapha obscurata
                                             Opegrapha obtrita
                                             Opegrapha obtusella
                                             Opegrapha obvelata
                                             Opegrapha ochracea
                                             Opegrapha ochrocincta
                                             Opegrapha ochroplaca
                                             Opegrapha oleagina
                                             Opegrapha onchospora
                                             Opegrapha opaca
                                             Opegrapha ophites
                                             Opegrapha orbignyae
                                             Opegrapha ovaliformis
                                             Opegrapha ovalis
                                             Opegrapha ovata
                                             Opegrapha oxalidis
                                             Opegrapha palmicola
                                             Opegrapha papillata
                                             Opegrapha parasitica
                                                   [Leciographa monspeliensis var. monspeliensis]
                                                   [Leciographa monspeliensis var. mutilata]
                                                   [Leciographa monspeliensis]
                                                   [Leciographa parasitica var. mutilata]
                                                   [Leciographa parasitica var. parasitica]
                                                   [Opegrapha monspeliensis]
                                                   [Opegrapha semicincta f. aggregata]
                                                   [Opegrapha semicincta f. semicincta]
                                                   [Opegrapha semicincta]
                                               Opegrapha parasitica var. mutilata
                                               Opegrapha parasitica var. parasitica
                                             Opegrapha paraxanthodes
                                             Opegrapha parvula
                                             Opegrapha paschalis
                                             Opegrapha pauciexcipulata
                                             Opegrapha paupercula
                                             Opegrapha pedonta
                                             Opegrapha pelletieri
                                             Opegrapha pellicula
                                             Opegrapha peltigerae
                                             Opegrapha perturbans
                                             Opegrapha perturbata
                                             Opegrapha pertusariae
                                             Opegrapha pertusariicola
                                             Opegrapha peruviana
                                             Opegrapha petrophila
                                             Opegrapha phaea
                                             Opegrapha phaeophysciae
                                             Opegrapha phegospila
                                             Opegrapha phlyctidicola
                                             Opegrapha phoenicicola
                                             Opegrapha phyllobathelii
                                             Opegrapha phyllobia
                                             Opegrapha phylloporina
                                             Opegrapha phylloporinae
                                             Opegrapha physcidiae
                                             Opegrapha picea
                                             Opegrapha pitardii
                                               Opegrapha pitardii var. pitardii
                                               Opegrapha pitardii var. viridans
                                             Opegrapha planiuscula
                                             Opegrapha platycarpa
                                             Opegrapha platygraphoides
                                             Opegrapha plectocarpoidea
                                             Opegrapha pleistophragmoides
                                             Opegrapha plicosa
                                             Opegrapha plocina
                                             Opegrapha plurilocularis
                                               Opegrapha plurilocularis var. obfuscata
                                               Opegrapha plurilocularis var. plurilocularis
                                               Opegrapha plurilocularis var. pruinosa
                                             Opegrapha poetarum
                                             Opegrapha poitaei
                                             Opegrapha poitiaei
                                             Opegrapha pollinii
                                             Opegrapha populina
                                                   Opegrapha populina f. microscopica
                                                   Opegrapha populina f. populina
                                             Opegrapha porinicola
                                             Opegrapha primana
                                             Opegrapha prolificans
                                             Opegrapha prominula
                                             Opegrapha prominuloides
                                             Opegrapha prosodea
                                                   [Graphis prosodea]
                                                   [Opegrapha taxicola]
                                                   [Opegrapha viridis f. taxicola]
                                                   [Opegrapha viridis var. taxicola]
                                               Opegrapha prosodea var. diaphora
                                               Opegrapha prosodea var. havaiensis
                                               Opegrapha prosodea var. jamaicensis
                                               Opegrapha prosodea var. microcarpella
                                               Opegrapha prosodea var. notha
                                               Opegrapha prosodea var. novohebridica
                                               Opegrapha prosodea var. prosodea
                                             Opegrapha prostii
                                             Opegrapha protera
                                             Opegrapha protocetrarica
                                             Opegrapha protuberans
                                                   [Opegrapha prosiliens]
                                                   Opegrapha protuberans f. lutescens
                                                   Opegrapha protuberans f. protuberans
                                             Opegrapha proximans
                                             Opegrapha proximata
                                             Opegrapha pruinata
                                             Opegrapha pruinosa
                                             Opegrapha pseudoagelaea
                                             Opegrapha pseudorufescens
                                             Opegrapha psyllocarpa
                                             Opegrapha puiggarii
                                             Opegrapha pulicaria
                                             Opegrapha pulvinata
                                                   [Encephalographa pulvinata]
                                                   [Leciographa pulvinata]
                                                   [Opegraphoidea pulvinata]
                                               Opegrapha pulvinata var. placidiicola
                                               Opegrapha pulvinata var. pulvinata
                                             Opegrapha punctata
                                             Opegrapha punctiformis
                                             Opegrapha punctulata
                                             Opegrapha pyrenocarpoides
                                             Opegrapha quadriseptata
                                             Opegrapha quassiae
                                               Opegrapha quassiae var. obfuscata
                                               Opegrapha quassiae var. quassiae
                                             Opegrapha quaternella
                                             Opegrapha quercina
                                             Opegrapha quinqueseptata
                                             Opegrapha quinqueseptatum
                                             Opegrapha quinqueseptula
                                             Opegrapha quintana
                                             Opegrapha radians
                                             Opegrapha ramealis
                                             Opegrapha ramosa
                                             Opegrapha ravenelii
                                                   [Lecanactis ravenelii]
                                                   [Platygrapha ravenelii]
                                                   [Schismatomma ravenelii]
                                             Opegrapha reactiva
                                                   [Kalaallia reactiva]
                                             Opegrapha regnellii
                                             Opegrapha reinkellae
                                             Opegrapha reniformis
                                             Opegrapha reticulata
                                             Opegrapha rhabdotis
                                             Opegrapha rhizocola
                                             Opegrapha ricasolii
                                             Opegrapha rigida
                                             Opegrapha rimicola
                                             Opegrapha rimulosa
                                             Opegrapha rinodinae
                                             Opegrapha riograndensis
                                               Opegrapha riograndensis var. riograndensis
                                               Opegrapha riograndensis var. subcincta
                                             Opegrapha rionegrensis
                                             Opegrapha riopiedrensis
                                             Opegrapha rissoensis
                                             Opegrapha robusta
                                             Opegrapha robustula
                                             Opegrapha romsiae
                                             Opegrapha rosea
                                             Opegrapha rotula
                                               Opegrapha rotula var. laevis
                                               Opegrapha rotula var. rotula
                                               Opegrapha rotula var. sublaevis
                                             Opegrapha rotunda
                                             Opegrapha rouxiana
                                             Opegrapha rubecula
                                             Opegrapha rubefacta
                                               Opegrapha rubefacta var. obtecta
                                               Opegrapha rubefacta var. rubefacta
                                             Opegrapha rubella
                                               Opegrapha rubella var. albicans
                                               Opegrapha rubella var. rubella
                                               Opegrapha rubella var. stellaris
                                               Opegrapha rubella var. viridescens
                                             Opegrapha rubescens
                                             Opegrapha rubida
                                             Opegrapha rubiformis
                                             Opegrapha rubrica
                                             Opegrapha rufa
                                             Opegrapha rufidula
                                             Opegrapha rufoatra
                                             Opegrapha rufula
                                             Opegrapha rugosa
                                             Opegrapha rugulosa
                                             Opegrapha ruiziana
                                             Opegrapha rupestris
                                                   [Graphis saxatilis]
                                                   [Hysterina persoonii]
                                                   [Leciographa centrifuga f. centrifuga]
                                                   [Leciographa centrifuga f. insidens]
                                                   [Leciographa centrifuga]
                                                   [Leciographa parasitica]
                                                   [Lecoglyphis centrifuga]
                                                   [Opegrapha centrifuga]
                                                   [Opegrapha persoonii var. persoonii]
                                                   [Opegrapha persoonii var. strepsodina]
                                                   [Opegrapha persoonii]
                                                   [Opegrapha saxatilis]
                                                   [Opegrapha saxicola subsp. saxicola]
                                                   [Opegrapha saxicola var. garganica]
                                                   [Opegrapha saxicola var. saxicola]
                                                   [Opegrapha saxicola]
                                               Opegrapha rupestris var. rupestris
                                             Opegrapha salicina
                                             Opegrapha santessonii
                                             Opegrapha saprophila
                                             Opegrapha saxigena
                                               Opegrapha saxigena var. saxigena
                                             Opegrapha sbarbaronis
                                             Opegrapha scalpturata
                                             Opegrapha scaphella
                                             Opegrapha semiatra
                                             Opegrapha septemseptata
                                             Opegrapha serusiauxii
                                             Opegrapha sexlocularis
                                             Opegrapha signatella
                                             Opegrapha simplicior
                                             Opegrapha sipmanii
                                             Opegrapha sordida
                                             Opegrapha sordidescens
                                             Opegrapha sorediifera
                                             Opegrapha sororiella
                                             Opegrapha spaniota
                                             Opegrapha sparsella
                                             Opegrapha sphaerophoricola
                                             Opegrapha sphaerula
                                             Opegrapha spiralis
                                             Opegrapha spodolaeina
                                             Opegrapha spodopolia
                                             Opegrapha spurcata
                                             Opegrapha spuria
                                             Opegrapha squalida
                                             Opegrapha staurothelicola
                                             Opegrapha stellanigra
                                             Opegrapha stellata
                                             Opegrapha stellulata
                                             Opegrapha stenoleuca
                                             Opegrapha stereocaulicola
                                             Opegrapha stictica
                                             Opegrapha stictoides
                                             Opegrapha stigmodes
                                             Opegrapha stigmoides
                                             Opegrapha stipata
                                             Opegrapha stirtonii
                                             Opegrapha stizorina
                                             Opegrapha streblocarpa
                                             Opegrapha striatula
                                             Opegrapha strigulae
                                             Opegrapha subabnormis
                                             Opegrapha subcalcarea
                                             Opegrapha subcentrifuga
                                             Opegrapha subcervina
                                             Opegrapha subclausa
                                             Opegrapha subdiaphora
                                             Opegrapha subdifficilis
                                               Opegrapha subdifficilis var. avicenniae
                                               Opegrapha subdifficilis var. subdifficilis
                                             Opegrapha subdimidiata
                                             Opegrapha subeffigurans
                                             Opegrapha subfarinosa
                                             Opegrapha subgraphidiza
                                             Opegrapha subhiascens
                                             Opegrapha subimmersa
                                             Opegrapha submaritima
                                             Opegrapha subnebula
                                             Opegrapha subnothella
                                             Opegrapha subocellata
                                             Opegrapha subparallela
                                             Opegrapha subpulveracea
                                             Opegrapha subrimalis
                                             Opegrapha subrimulosa
                                               Opegrapha subrimulosa var. microphleboides
                                               Opegrapha subrimulosa var. subrimulosa
                                             Opegrapha subrufescens
                                             Opegrapha subsimilata
                                             Opegrapha subsulcata
                                             Opegrapha subvulgata
                                             Opegrapha sulcata
                                             Opegrapha sulphurata
                                             Opegrapha symbiotica
                                             Opegrapha tapetica
                                             Opegrapha tartarea
                                             Opegrapha tectiformis
                                             Opegrapha tenuior
                                             Opegrapha thallincola
                                             Opegrapha thelopsisocia
                                             Opegrapha thelotrematis
                                             Opegrapha thuretii
                                             Opegrapha tigrensis
                                             Opegrapha tiliacea
                                             Opegrapha trassii
                                             Opegrapha tremens
                                             Opegrapha tricosa
                                             Opegrapha trifurcata
                                             Opegrapha trilocularis
                                             Opegrapha trochodes
                                             Opegrapha tuckermanii
                                             Opegrapha tumidula
                                             Opegrapha tunetana
                                             Opegrapha tuxtlensis
                                             Opegrapha ugandensis
                                             Opegrapha ulcerata
                                             Opegrapha ulmaria
                                             Opegrapha umbellulariae
                                             Opegrapha umbrata
                                             Opegrapha umbrosa
                                             Opegrapha undulata
                                             Opegrapha unicolor
                                             Opegrapha uniseptata
                                             Opegrapha urosperma
                                               Opegrapha urosperma var. brunnea
                                               Opegrapha urosperma var. substellata
                                               Opegrapha urosperma var. urosperma
                                             Opegrapha variaeformis
                                             Opegrapha varians
                                             Opegrapha variegata
                                             Opegrapha variiformis
                                             Opegrapha vegae
                                             Opegrapha velata
                                             Opegrapha venosa
                                             Opegrapha vermelhana
                                             Opegrapha vermicellifera
                                                   [Pyrenotea fuscella]
                                                   [Pyrenotea vermicellifera]
                                                   Opegrapha vermicellifera f. deplanata
                                                   Opegrapha vermicellifera f. discrepans
                                                   Opegrapha vermicellifera f. subpulicaris
                                                   Opegrapha vermicellifera f. vermicellifera
                                             Opegrapha vermiculus
                                             Opegrapha vernicosa
                                             Opegrapha verrucarioides
                                               Opegrapha verrucarioides var. megalyna
                                               Opegrapha verrucarioides var. verrucarioides
                                             Opegrapha versiformis
                                             Opegrapha vestita
                                             Opegrapha violatra
                                             Opegrapha virescens
                                             Opegrapha viridescens
                                             Opegrapha viridistellata
                                             Opegrapha viridula
                                             Opegrapha viridulata
                                             Opegrapha vulgaris
                                             Opegrapha vulgata
                                                   [Opegrapha cinerea f. cinerea]
                                                   [Opegrapha cinerea f. intermedia]
                                                   [Opegrapha cinerea f. macrospora]
                                                   [Opegrapha cinerea f. olivaceonigra]
                                                   [Opegrapha cinerea]
                                                   Opegrapha vulgata f. abbreviata
                                                   Opegrapha vulgata f. vulgata
                                               Opegrapha vulgata var. abbreviata
                                               Opegrapha vulgata var. parallela
                                               Opegrapha vulgata var. vulgata
                                                     [Graphis vulgata]
                                                     [Hysterina vulgata]
                                                     [Lichen vulgatus]
                                                     [Opegrapha confluens]
                                                     [Opegrapha devulgata]
                                                     [Opegrapha lithyrga var. confluens]
                                                     [Pyrenotea lutea]
                                             Opegrapha vulpina
                                             Opegrapha vulvella
                                               Opegrapha vulvella var. lutescens
                                               Opegrapha vulvella var. vulvella
                                             Opegrapha wainioi
                                             Opegrapha werneri
                                             Opegrapha wetmorei
                                             Opegrapha xanthocarpa
                                             Opegrapha xanthodes
                                             Opegrapha xerica
                                             Opegrapha xylographiza
                                             Opegrapha xylographoides
                                             Opegrapha zanei
                                             Opegrapha zapallarensis
                                             Opegrapha zaratensis
                                             Opegrapha zwackhii
                                     Paraingaderia
                                     Paralecanographa
                                             Paralecanographa grumulosa
                                                   [Ingaderia troglodytica]
                                                   [Lecanactis delimis]
                                                   [Lecanactis grumulosa var. grumulosa]
                                                   [Lecanactis grumulosa var. monstrosa]
                                                   [Lecanactis grumulosa]
                                                   [Lecanactis gumulosa var. monstrosa]
                                                   [Lecanactis hemisphaerica]
                                                   [Lecanactis mirifica]
                                                   [Lecanactis monstrosa subsp. doerfleri]
                                                   [Lecanactis monstrosa subsp. monstrosa]
                                                   [Lecanactis monstrosa var. grumulosa]
                                                   [Lecanactis monstrosa var. monstrosa]
                                                   [Lecanactis monstrosa]
                                                   [Lecanactis nothiza]
                                                   [Lecanographa grumulosa]
                                                   [Lecanographa hemisphaerica]
                                                   [Lecidea delimis]
                                                   [Opegrapha grumulosa f. grumulosa]
                                                   [Opegrapha grumulosa f. rosea]
                                                   [Opegrapha grumulosa var. arthonioidea]
                                                   [Opegrapha grumulosa var. dirinaria]
                                                   [Opegrapha grumulosa var. grumulosa]
                                                   [Opegrapha grumulosa var. platycarpa]
                                                   [Opegrapha grumulosa var. rubescens]
                                                   [Opegrapha grumulosa var. thelopsisocia]
                                                   [Opegrapha grumulosa]
                                                   [Opegrapha mirifica]
                                                   [Opegrapha nothiza]
                                     Paraschismatomma
                                             Paraschismatomma ochroleucum
                                                   [Chiodecton ochroleucum]
                                                   [Platygrapha plurilocularis]
                                                   [Schismatomma pluriloculare]
                                     Pentagenella
                                           [Camanchaca]
                                           [Darbishirella]
                                             Pentagenella corallina
                                             Pentagenella fragillima
                                             Pentagenella fragillimma
                                             Pentagenella gracillima
                                                   [Darbishirella gracillima]
                                             Pentagenella langei
                                                   [Hubbsia langei]
                                             Pentagenella ligulata
                                     Plagiographis
                                             Plagiographis rubrica
                                     Schizopelte
                                           [Hubbsia]
                                           [Schizopeltomyces]
                                             Schizopelte californica
                                                   [Combea californica]
                                             Schizopelte crustosa
                                                   [Chiodecton californicum]
                                                   [Llimonaea californica]
                                                   [Sclerophyton californicum]
                                             Schizopelte lumbricoides
                                                   [Hubbsia californica]
                                                   [Hubbsia lumbricoides]
                                                   [Reinkella californica]
                                             Schizopelte parishii
                                                   [Hubbsia parishii]
                                     Sclerophyton
                                           [Schlerophyton]
                                             Sclerophyton actinoboloides
                                             Sclerophyton aptrootii
                                             Sclerophyton circumscriptum
                                                   Sclerophyton circumscriptum f. circumscriptum
                                                   Sclerophyton circumscriptum f. dendrizum
                                                   Sclerophyton circumscriptum f. leucinum
                                                   Sclerophyton circumscriptum f. pruinosum
                                             Sclerophyton conspicuum
                                             Sclerophyton dendrizans
                                             Sclerophyton elegans
                                                   [Chiodecton inscriptum]
                                                   [Enterographa elegans]
                                                   [Stigmatidium elegans]
                                             Sclerophyton evanescens
                                             Sclerophyton extenuatum
                                                   [Platygrapha extenuata]
                                             Sclerophyton fluorescens
                                             Sclerophyton hillii
                                             Sclerophyton indicum
                                             Sclerophyton inscriptum
                                             Sclerophyton insularum
                                             Sclerophyton maculatum
                                             Sclerophyton madagascariense
                                             Sclerophyton muriforme
                                             Sclerophyton occidentalum
                                             Sclerophyton seriale
                                                   [Trypethelium paradoxum]
                                             Sclerophyton stigmaticum
                                                   [Platygrapha stigmatica]
                                             Sclerophyton syncesioides
                                             Sclerophyton trinidadense
                                             Sclerophyton vertex
                                     Sparria
                                             Sparria cerebriformis
                                                   [Llimonaea cerebriformis]
                                                   [Sclerophyton cerebriforme]
                                             Sparria endlicheri
                                                   [Arthonia endlicheri f. decussata]
                                                   [Arthonia endlicheri f. endlicheri]
                                                   [Arthonia endlicheri]
                                                   [Arthonia impolita var. lobata]
                                                   [Arthonia lobata f. decussata]
                                                   [Arthonia lobata f. lobata]
                                                   [Arthonia lobata var. insulata]
                                                   [Arthonia lobata var. lobata]
                                                   [Arthonia lobata]
                                                   [Opegrapha endlicheri]
                                                   [Pachnolepia endlicheri]

Problematic Rooting (124761)
                                             Opegraphoidea staurothelicola

Problematic Rooting (128115)
                                               Opegrapha mougeotii var. garganica
                                               Opegrapha mougeotii var. lutescens
                                               Opegrapha mougeotii var. mougeotii

Problematic Rooting (144838)
                                             Diplogramma australiense
                                             Diplogramma australiensis

Problematic Rooting (55826)
                                               Opegrapha atra var. cinerascens
                                               Opegrapha atra var. macularis

Problematic Rooting (55832)
                                               Opegrapha filicina var. filicina

Problematic Rooting (55849)
                                                   Opegrapha rufescens f. albicans
                                                   Opegrapha rufescens f. disparata
                                                   Opegrapha rufescens f. elegans
                                                   Opegrapha rufescens f. olivacea
                                                   Opegrapha rufescens f. rufescens
                                                   Opegrapha rufescens f. stellaris
                                               Opegrapha rufescens var. rufescens
                                               Opegrapha rufescens var. stellaris

Problematic Rooting (66609)
                                                   Opegrapha saxicola f. dolomitica