Ophioparma, Umbilicariales, Lasallia, Elixia, Ropalospora, Hypocenomyce, Geographical distribution, Taxonomy, Umbilicaria, Descriptors, Xylopsora, and Fuscidea

Lichens, Antennulariella, Tomasellia, Celothelium, Anisomeridium, Acrocordia, Descriptors, Perithecial genera, Alloarthopyrenia, Mycomicrothelia, Leptosillia, Eopyrenula, Cyrtidula, Dichoporis, Lithothelium, Mycoporum, Habitats, Taxonomy, Leptorhaphis, Rhaphidicyrtis, Sarcopyrenia, Pyrenula, Geographical distribution, Naetrocymbe, Julella, Identification, and Arthopyrenia

Phaeographis, Diploschistes, Ostropales, Allographa, Graphidaceae, Descriptors, Geographical distribution, Leucodecton, Graphis, Crutarndina, Habitats, Thelotrema, Clandestinotrema, Fissurina, Taxonomy, Schizotrema, and Topeliopsis

Toninia, Bacidina, Bacidia, Bibbya, Ramalina, Ramalinaceae, Toniniopsis, Kiliasia, Descriptors, Tylothallia, Phyllopsora, Thalloidima, Mycobilimbia, Habitats, Cliostomum,, Megalaria, Bellicidia, Taxonomy, Bilimbia, Lecania, Geographical distribution, Biatora, Scutula, and Lecanorales

Bryoria, Parmeliopsis, Cornicularia, Brodoa, Parmelia, Melanelixia, Cetrariella, Raesaenenia, Great Britain, Vulpicida, Parmotrema, Descriptors, Punctelia, Pseudephebe, Cetrelia, Arctoparmelia, Usnea, Ireland, Flavoparmelia, Parmeliaceae, Allantoparmelia, Taxonomy, Geographical distribution, Evernia, Pleurosticta, Montanelia, Parmelina, Alectoria, Melanohalea, Cetraria, Flavocetraria, Hypotrachyna, Tuckermannopsis, Imshaugia, Menegazzia, Pseudevernia, Platismatia, Nesolechia, Protoparmelia, Melanelia, Hypogymnia, Lecanorales, and Xanthoparmelia

Descriptors, Ocellomma, Roccellaceae, Pseudoschismatomma, Dendrographa, Lecanactis, Lichens, Great Britain, Roccella, Arthoniales, Cresponea, Enterographa, Gyrographa, Dirina, Syncesia, Ireland, Schismatomma, Taxonomy, Psoronactis, and Geographical distribution

Trimmatothele, Wahlenbergiella, Involucropyrenium, Endocarpon, Staurothele, Bagliettoa, Normandina, Placidium, Nesothele, Placidopsis, Verrucariaceae, Verruculopsis, Parabagliettoa, Polyblastia, Atla, Verrucaria, Hydropunctaria, Catapyrenium, Placopyrenium, Heteroplacidium, Henrica, Geographical distribution, Lichens, Merismatium, Dermatocarpon, Sporodictyon, Agonimia, Verrucariales, Thelidium, Descriptors, Verrucula, and Psoroglaena

Bunodophoron, Descriptors, Sphaerophorus, Gilbertaria, Sphaerophoraceae, Geographical distribution, Lecanorales, and Lichens

Habitats, Taxonomy, Lichens, Geographical distribution, Tephromela, Violella, Tephromelataceae, Descriptors, Lecanorales, Mycoblastus, Identification, and Calvitimela

Psora, Habitats, Brianaria, Taxonomy, Lichens, Geographical distribution, Psoraceae, Descriptors, Lecanorales, Identification, Protoblastenia, and Protomicarea