The following systematic arrangement of Australian lichenised Ascomycota is based primarily on H.T.Lumbsch & S.M.Huhndorf (eds), Outline of Ascomycota – 2007. Myconet 13: 1–58 (2007), supplemented by more recent publications.

Arthonia, Arthothelium, Coniarthonia, Cryptothecia, Eremothecella, Herpothallon, Sagenidiopsis, Tylophoron

Chrysothrix

Melaspilea

Ancistrosporella, Angiactis, Bactrospora, Chiodecton, Cresponea, Dichosporidium, Dictyographa, Diplogramma, Dirina, Enterodictyon, Enterographa, Erythrodecton, Graphidastra, Lecanactis, Lecanographa, Mazosia, Opegrapha, Peterjamesia, Platygrapha (?), Roccella, Roccellina, Sagenidium, Schismatomma, Sclerophyton, Streimannia, Syncesia

Arthoniales: genus incertae sedis

Pulvinodecton

Glonium

Dothideomycetes: families incertae sedis

Arthopyrenia, Mycomicrothelia

Microtheliopsis

Mycoporellum, Mycoporum

Tomasellia (?)

Aptrootia, Astrothelium, Bathelium, Laurera, Polymeridium, Pseudopyrenula, Trypethelium

Dothideomycetes: genera incertae sedis

Mycoporopsis, Racodium

Anisomeridium, Caprettia, Megalotremis, Monoblastia, Trypetheliopsis

Anthracothecium, Lithothelium, Pyrenula, Pyrgillus

Pyrenulales: genus incertae sedis

Mycoporum

Agonimia, Bagliettoa, Catapyrenium, Endocarpon, Flakea, Heteroplacidium, Phylloblastia, Placidium, Polyblastia, Psoroglaena, Sporodictyon, Staurothele, Thelidium, Verrucaria

Chaetothyriomycetidae: family incertae sedis

Phyllobathelium, Strigula

Chaenothecopsis, Phaeocalicium

Pyrgidium

Acarospora, Polysporina, Sarcogyne

Agyrium

Ainoa, Aspiciliopsis, Lithographa, Orceolina, Placopsis, Placynthiella, Rimularia, Trapelia, Trapeliopsis, Xylographa

Baeomyces

Psorotheciopsis

Coenogonium

Aderkomyces, Aulaxina, Calenia, Caleniopsis, Echinoplaca, Gyalectidium, Gyalidea, Gyalideopsis, Phyllogyalidea, Rubrotricha, Tricharia

Acanthothecis, Anomomorpha, Carbacanthographis, Chapsa, Chroodiscus, Diaphorographis, Diorygma, Diploschistes, Dyplolabia, Fibrillithecis, Fissurina, Glyphis, Graphis, Hemithecium, Ingvariella, Leiorreuma, Leptotrema, Leucodecton, Melanotopelia, Melanotrema, Myriotrema, Nadvornikia, Ocellularia, Pallidogramme, Phaeographis, Platygramme, Platythecium, Pseudoramonia, Reimnitzia, Sarcographa, Sarcographina, Schizotrema, Thalloloma, Thecaria, Thelotrema, Topeliopsis

Belonia (?), Bryophagus (?), Cryptolechia, Gyalecta, Pachyphiale, Ramonia, Semigyalecta

Myeloconis

Phlyctis

Porina, Trichothelium

Absconditella, Conotremopsis, Thelopsis, Topelia

Ostropales: genus incertae sedis

Amphorothecium

Coccotrema, Parasiphula

Dibaeis, Endocoena (?), Icmadophila, Siphula, Siphulella, Thamnolia

Aspicilia, Lobothallia

Ochrolechia

Ostropomycetidae: families incertae sedis

Arctomia, Wawea

Arthrorhaphis

Ionaspis, Tremolecia

Loxospora, Sarrameana

Schaereria

Thelenella

Biatorella

Calycidium

Austrolecia, Catillaria, Halecania, Solenopsora, Sporastatia

Cladia, Cladonia, Heterodea, Metus, Myelorrhiza, Notocladonia, Pilophorus, Pycnothelia, Squamella, Thysanothecium

Crocynia

Bryonora, Calvitimela (?), Carbonea, Clauzadeana, Lecanora, Lecidella, Maronina, Miriquidica, Ramalinora (?), Ramboldia, Rhizoplaca, Tylothallia, Vainionora

Catillochroma, Megalaria, Tasmidella

Miltidea

Mycoblastus, Tephromela

Anzia, Bulbothrix, Canoparmelia, Cetraria, Cetrelia, Coelocaulon, Cornicularia, Everniastrum, Flavoparmelia, Hypogymnia, Hypotrachyna, Imshaugia, Karoowia, Melanelia, Menegazzia, Myelochroa, Pannoparmelia, Parmelia, Parmelina, Parmelinella, Parmelinopsis, Parmeliopsis, Parmotrema, Protoparmelia, Pseudephebe, Punctelia, Relicina, Relicinopsis, Tuckermannopsis, Usnea, Xanthoparmelia

Eschatogonia, Phyllopsora, Physcidia, Triclinum

Badimia, Badimiella, Bapalmuia, Byssoloma, Calopadia, Calopadiopsis, Eugeniella, Fellhanera, Fellhaneropsis, Kantvilasia, Lasioloma, Leiomonis (?), Loflammia, Logilvia, Lopadium (?), Malcolmiella, Micarea, Psilolechia, Septotrapelia, Sporopodium, Tapellaria

Eremastrella, Protoblastenia, Psora

Bacidia, Bacidina, Biatora, Catinaria, Cliostomum, Frutidella, Jarmania, Lecania, Lopezaria, Ramalina, Stirtoniella, Tibellia, Toninia

Scoliciosporum

Austropeltum, Bunodophoron, Leifidium, Neophyllis

Hertelidea, Lepraria, Stereocaulon, Squamarina

Coccocarpia, Peltularia, Spilonema, Steinera

Collema, Leightoniella, Leptogium, Physma, Ramalodium, Staurolemma

Austrella, Degelia, Degeliella, Erioderma, Fuscoderma, Fuscopannaria, Kroswia, Leioderma, Pannaria, Parmeliella, Protopannaria, Psoroma, Psoromidium, Santessoniella, Siphulastrum

Placynthium, Polychidium (?)

Dendriscocaulon, Lobaria, Pseudocyphellaria, Sticta

Massalongia

Nephroma

Letrouitia

Austroblastenia, Megaloblastenia, Megalospora

Amandinea, Australiaena, Buellia, Calicium, Cratiria, Cyphelium, Dimelaena, Diplotomma, Dirinaria, Gassicurtia, Heterocyphelium, Heterodermia, Hyperphyscia, Monerolechia, Phaeophyscia, Physcia, Physconia, Pyxine, Rinodina, Rinodinella, Sculptolumina, Stigmatochroma

Caloplaca, Fulgensia, Jackelixia, Teloschistes, Xanthoria

Lecanoromycetes: orders incertae sedis

Candelaria, Candelariella

Umbilicaria

Lecanoromycetidae: families incertae sedis

Argopsis (?), Brigantiaea

Meridianelia

Fuscidea, Hueidia, Maronea, Orphniospora, Ropalospora

Amygdalaria, Bellemerea, Clauzadea, Immersaria, Lecidea, Mycobilimbia, Paraporpidia, Poeltiaria, Poeltidea, Porpidia, Stephanocyclos

Hypocenomyce

Poeltinula, Rhizocarpon

Vezdaea

Lecanoromycetes: genera incertae sedis

Bilimbia, Leprocaulon, Notolecidea, Piccolia, Roccellinastrum

Gloeoheppia

Heppia

Ephebe, Lempholemma, Lichina, Paulia, Phloeopeccania, Phylliscum, Porocyphus, Pterygiopsis, Pyrenopsis, Thyrea, Zahlbrucknerella

Peltula

Pezizomycotina: family incertae sedis

Lyromma

Ascomycota: families incertae sedis

Steinia

Aspidothelium

Chaenotheca, Coniocybe, Sclerophora

Mastodia

Microcalicium

Melanophloea, Thelocarpon

Collemopsidium, Xanthopyrenia

Ascomycota: genera incertae sedis

Gallaicolichen, Normandina