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The circumscription of the lichenized ascomycete genusIcmadophilaTrevis. in the familyIcmadophilaceaeTriebel was investigated. Sequences of the internal transcribed spacer (ITS) region and large subunit of nuclear ribosomal DNA (nuLSU) were generated for the fiveIcmadophilaspecies and additional members ofIcmadophilaceaefrom the generaDibaeis,Endocena,Knightiella,Siphula,SiphulellaandThamnolia. Phylogenetic analyses indicate that threeIcmadophilaspecies are closely related: the type,I. ericetorum(L.) Zahlbr., which is widespread in Eurasia and North America,I. aversa(Nyl.) Rambold & Hertel from Central and South America, andI. japonica(Zahlbr.) Rambold & Hertel, which is restricted to Far East Russia and Japan. The genusKnightiellaMüll. Arg. is reinstated to accommodateI. splachnirima(Hook.f. & Taylor) D. J. Galloway emend. L. Ludw., which occurs in New Zealand and Australia. Two further species ofKnightiella,K. eucalypti(Kantvilas) Kantvilas andK. queenslandicaKantvilas, are found to be unrelated toK. splachnirima, and are accommodated in two newly described genera,KnightiellastrumandSiphulopsisrespectively.KnightiellastrumL. Ludw. & Kantvilas is characterized by a squamulose, erhizinate, whitish to pale grey thallus with a green, coccoid photobiont and by containing thamnolic acid.SiphulopsisKantvilas & A. R. Nilsen is similarly characterized by an erhizinate, whitish to pale grey thallus, with a green, coccoid photobiont and containing thamnolic acid, but is instead fruticose. This study reveals considerable diversity within AustralasianIcmadophilaceae; ongoing work in the Southern Hemisphere and tropical regions may reveal additional species in this family and clarify the relationships of these newly described genera.

A new species, Huriella flakusii, is described from the arid region of the Colca Canyon in southern Peru, and is characterized by squamulose, orange thalli and abundant, crowded and aggregated, usually flexuous when compressed, reddish apothecia. The thalline cortex, proper margin and hypothecium are paraplectenchymatous. The ascospores are broadly ellipsoid, 10‒15 × 5.0‒9.5 µm, with rather thin septa, 2‒4 µm. Phylogenetic analyses of the DNA sequences of ITS, nuLSU and mrSSU rDNA markers revealed that the new species is nested within the Amundsenia-Squamulea subclade in the subfamily Xanthorioideae, and has a sister group relationship to Huriella loekoesiana from South Korea.

Caloplaca monacensis (Leder.) Lettau is reported as a new lichen species for Poland. It is an old species of the Caloplaca cerina group, forgotten for decades and resurrected most recently. This epiphytic species is characteristic for open habitats such as roadside trees. The new records are from northern (Pojezierze Olsztyńskie lakeland) and southern (Carpathians) Poland. Brief taxonomic remarks and data on habitat preferences and the known distribution are provided.

Following a large-scale phylogenetic study of the lichenized genus Cora (Basidiomycota: Agaricales: Hygrophoraceae), we formally describe 70 new species, honouring the seventieth birthday of David Leslie Hawksworth, one of the preeminent figures in mycology and lichenology in the past 50 years. Based on an updated phylogeny using the ITS fungal barcoding locus, we now recognize 189 taxa in a genus that until recently was considered to represent a single species; including this contribution, 92 of these are formally recognized, including five taxa based on historical names or collections that have not been sequenced. Species of Cora can be recognized by a combination of morphological (size, colour, lobe configuration, surface hairs, hymenophore size and shape), anatomical (thallus thickness, cortex structure, photobiont type, hyphal papillae), and ecogeographical features (substrate, habitat, distribution), and a keytable allowing the identification of all accepted taxa is provided. The new species are: Cora accipiter Moncada, Madrinan & Lucking spec. nov., C. applanata Moncada, Soto-Medina & Lucking spec. nov., C. arachnodavidea Moncada, Dal Forno & Lucking spec. nov., C. arborescens Dal Forno, Chaves & Lucking spec. nov., C. arcabucana Moncada, C. Rodriguez & Lucking spec. nov., C. aturucoa Lucking, Moncada & C. Vargas spec. nov., C. auriculeslia Moncada, Yanez-Ayabaca & Lucking spec. nov., C. barbifera Moncada, Patino & Lucking spec. nov., C. boleslia Lucking, E. Morales & Dal Forno spec. nov., C. caliginosa Holgado, Rivas Plata & Perlmutter spec. nov., C. campestris Dal Forno, Eliasaro & Spielmann spec. nov., C. canari Nugra, Dal Forno & Lucking spec. nov., C. caraana Lucking, Martins & Lucheta spec. nov., C. casasolana Moncada, R.-E. Perez & Lucking spec. nov., C. caucensis Moncada, M. Gut. & Lucking spec. nov., C. celestinoa Moncada, Cabrera-Amaya & Lucking spec. nov., C. comaltepeca Moncada, R.-E. Perez & Herrera-Camp. spec. nov., C. corani Lucking, E. Morales & Dal Forno spec. nov., C. corelleslia Moncada, A. Suarez-Corredor & Lucking spec. nov., C. crispoleslia Moncada, J. Molina & Lucking spec. nov., C. cuzcoensis Holgado, Rivas Plata & Perlmutter spec. nov., C. dalehana Moncada, Madrinan & Lucking spec. nov., C. davibogotana Lucking, Moncada & Coca spec. nov., C. davicrinita Moncada, Madrinan & Lucking spec. nov., C. davidia Moncada, L. Vargas & Lucking spec. nov., C. dewisanti Moncada, A. Suarez-Corredor & Lucking spec. nov., C. dulcis Moncada, R.-E. Perez & Lucking spec. nov., C. elephas Lucking, Moncada & L. Vargas spec. nov., C. fuscodavidiana Lucking, Moncada & L. Vargas spec. nov., C. garagoa Simijaca, Moncada & Lucking spec. nov., C. gigantea Lucking, Moncada & Coca spec. nov., C. gomeziana Dal Forno, Chaves & Lucking spec. nov., C. guajalitensis Lucking, Robayo & Dal Forno spec. nov., C. hafecesweorthensis Moncada, Lucking & R. Pelaez spec. nov., C. haledana Dal Forno, Chaves & Lucking spec. nov., C. hawksworthiana Dal Forno, P. Nelson & Lucking spec. nov., C. hochesuordensis Lucking, E. Morales & Dal Forno spec. nov., C. hymenocarpa Lucking, Chaves & Lawrey spec. nov., C. imi Lucking, Chaves & Lawrey spec. nov., C. itabaiana Dal Forno, Aptroot & M. Caceres spec. nov., C. leslactuca Lucking, Moncada & R. Pelaez spec. nov., C. maxima Wilk, Dal Forno & Lucking spec. nov., C. minutula Lucking, Moncada & Yanez-Ayabaca spec. nov., C. palaeotropica Weerakoon, Aptroot & Lucking spec. nov., C. palustris Dal Forno, Chaves & Lucking spec. nov., C. parabovei Dal Forno, Kukwa & Lucking spec. nov., C. paraciferrii Lucking, Moncada & J.E. Hern. spec. nov., C. paraminor Dal Forno, Chaves & Lucking spec. nov., C. pastorum Moncada, Patino & Lucking spec. nov., C. pichinchensis Paredes, Jonitz & Dal Forno spec. nov., C. pikynasa J.-M. Torres, Moncada & Lucking spec. nov., C. pseudobovei Wilk, Dal Forno & Lucking spec. nov., C. pseudocorani Lucking, E. Morales & Dal Forno spec. nov., C. putumayensis L.J. Arias, Moncada & Lucking spec. nov., C. quillacinga Moncada, F. Ortega & Lucking spec. nov., C. rothesiorum Moncada, Madrinan & Lucking spec. nov., C. rubrosanguinea Nugra, Moncada & Lucking spec. nov., C. santacruzensis Dal Forno, Bungartz & Yanez-Ayabaca, spec. nov., C. schizophylloides Moncada, C. Rodriguez & Lucking spec. nov., C. smaragdina Lucking, Rivas Plata & Chaves spec. nov., C. soredavidia Dal Forno, Marcelli & Lucking spec. nov., C. subdavicrinita Moncada, J. Molina & Lucking spec. nov., C. suturifera Nugra, Besal & Lucking spec. nov., C. terrestris Dal Forno, Chaves & Lucking spec. nov., C. terricoleslia Wilk, Dal Forno & Lucking spec. nov., C. udebeceana Moncada, R. Pelaez & Lucking spec. nov., C. urceolata Moncada, Coca & Lucking spec. nov., C. verjonensis Lucking, Moncada & Dal Forno spec. nov., C. viliewoa Lucking, Chaves & Soto-Medina spec. nov., and C. yukiboa Mercado-Diaz, Moncada & Lucking spec. nov. Furthermore, the taxonomic status of the recently described or recognized species C. arachnoidea, C. aspera, C. ciferrii, and C. reticulifera, is revised.

Four calcicolous species of the genus Caloplaca s.l., C. concreticola Vondrák & Khodosovtsev, C. interfulgens (Nyl.) J. Steiner, C. isidiigera Vězda and C. scabrosa Søchting, Lorentsen & Arup, representing various taxonomic groups, are reported as new for Poland, with brief taxonomic remarks and information on their habitat and distribution given.

The paper lists 337 species from Magurski National Park (MNP): 314 lichens, 18 lichenicolous fungi, four saprotrophic fungi and one lichenicolous myxomycete; 112 of them are new for MNP, 75 are reported for the first time for the Beskid Niski Mts, and two are new for Poland. Selected species are accompanied by taxonomic notes and remarks on their distribution in Poland and other Carpathian ranges. First records of Intralichen lichenicola, Burgoa angulosa and Verrucaria policensis and a second record of Epigloea urosperma are given for the whole Carpathian range, and Fuscidea arboricola was recorded for the first time in the Western Carpathians. Halecania viridescens and Mycomicrothelia confusa are new for the Polish Carpathians. The records of Absconditella pauxilla, Collema crispum, Licea parasitica and Rinodina griseosoralifera in MNP are their second known localities for the range. 93 species, mainly rare or threatened in Poland, were reported from MNP in the 20th century but were not refound.

The paper provides data on 21 Caloplaca Th. Fr. species from central European Russia. Two species are new for Russia: C. atroflava (Turner) Mong. s.l. and C. soralifera Vondrák & Hrouzek. A further seven are new for European Russia [C. flavocitrina (Nyl.) H. Olivier, C. inconnexa (Nyl.) Zahlbr., C. marmorata (Bagl.) Jatta, C. oasis (A. Massal.) Szatala] or central European Russia [C. dichroa Arup, C. interfulgens (Nyl.) J. Steiner, C. monacensis (Leder.) Lettau]. Short taxonomic notes together with information on habitat and distribution are provided for the newly recorded species. An additional twelve Caloplaca species recognized in the area are also briefly presented. © by Karina Wilk 2015. Acknowledgments. We thank Lyudmila Konoreva ?St. Petersburg) for assistance in collecting lichens, Williams O. Purvis ?London) for pre-submission line-editing, and the anonymous reviewer and Lucyna Śliwa ?Kraków) for critical comments on the manuscript. This work was supported by the Russian Academy of Science Fundamental Research Program entitled ‘Wildlife: Current Status and Problems of Development’, by grant NSh-1858.2014.4 from the President of the Russian Federation for state support of leading Russian science schools, by the Russian Foundation for Fundamental Research ?RFFR 14-04-31024) and by the Grant Agency of the Faculty of Environmental Sciences, CULS, Prague, 42900/1312/3114. Financial support to KW was provided by the National Sciences Centre ?NCN, grant no. N N303 821740).

Members of the lichen genus Lecanora Ach. are important but still poorly known components of almost all vegetation types in Bolivia. In this paper, seven species new for Bolivia are presented: Lecanora bicincta Ramond, L. fulvastra Kremp., L. hagenii (Ach.) Ach., L. muralis (Schreb.) Rabenh., L. percrenata H. Magn., L. stramineoalbida Vain. and L. strobilina (Spreng.) Kieff. Their distributions are described and information on their diagnostic characters and chemistry is given

Caloplaca flavescens is reported for the first time from Poland with all known localities citation. Diagnostic characters for the species are narrow, convex marginal lobes that are separated by furrows and gray crystals within the thallus cortex that are prominent in polarized light as well as lemon-shaped ascospores. Species of similar appearance include C. aurantia, C. thallinicola and some members of C. saxicola group. Differences between these species are briefly discussed. An up-to-date distribution map for C. flavescens in Poland is presented.

Caloplaca subpallida is reported from basic and altered ultrabasic rocks (i.e. basalt, greenstone, and serpentinite) at nine sites in SW Poland. A detailed description of the species and a discussion on its taxonomic affinities are provided.

Caloplaca atroalba, C. dichroa, C. marmorata, C. oasis, and C. pseudofulgensia are reported as new to Poland. Two other taxa: C. albopruinosa and C. pusilla are discussed in view of modern approaches. The species reported here were mainly collected in the Polish Carpathians. Additionally, C. atroalba is reported as new to Ukraine. Detailed taxonomic descriptions and comments are provided for the treated taxa.

Additions to the lichen flora of Victoria Land, Antarctica Lichens of relict penguin colonies and sites affected by active penguin colonies were investigated in Victoria Land, Ross Sea sector, continental Antarctica. A total of 17 coastal sites, seven in northern and ten in southern Victoria Land, have been investigated across 7° of latitude from 71° to 78°S. Altogether 40 taxa of lichens have been identified. Four of the recorded species are new to the Antarctic - Caloplaca erecta, C. soropelta, C. tominii and Physcia tenella; two species are new to the Victoria Land area - Lecania nylanderiana and Lecanora polytropa. The first lichen records from Beaufort Island are also provided. Data presented here expand the knowledge on the occurrence, diversity and distribution of Victoria Land lichens.

The paper deals with 18 species of the lichen genus Cladonia, including eight species new to Bolivia: C. cf. borbonica, C. coccifera, C. confragosa, C. dactylota, C. granulosa, C. kriegeri, C. merochlorophaea, and C. squamosa. Furthermore, C. kriegeri is recorded here from its second and third localities in the world. Also five lichenicolous fungi are reported; among them Arthrorhaphis aeruginosa, Polycoccum microcarpum and Sphaerellothecium cladoniae are new to the southern hemisphere, and Roselliniella cladoniae and Tremella cladoniae are new to Bolivia. Additionally, Polycoccum microcarpum is reported for the first time from Slovakia and Ukraine. Cladonia confragosa is reported as a new host for Sphaerellothecium cladoniae and Tremella cladoniae.

We describe three new, seemingly-cryptic species in the lichen genus Caloplaca (Teloschistaceae) with black apothecia. Those species, separated in nrITS and β-tubulin DNA phylogenies, appeared to be phenotypically indistinguishable. We looked for their phenotypic differences using a two-phase method comprised of a preliminary examination in which diagnostic value of all available characters was evaluated using a small number of samples and potentially-diagnostic characters were selected, and a subsequent detailed study in which characters selected in the first phase were tested using more samples. We found 19 diagnostic characters (continuous and discrete) of which four continuous and three discrete characters could be considered "fully diagnostic", i.e. allowing for correct identification of at least one species. Hence, the three species are not cryptic, but can be distinguished phenotypically. Here, they are formally described as Caloplaca micromarina Frolov, Khodos. & Vondrák sp. nova, C. micromontana Frolov, Wilk & Vondrák sp. nova and C. microstepposa Frolov, Nadyeina, Khodos. & Vondrák sp. nova. © Finnish Zoological and Botanical Publishing Board 2016.

As part of a larger systematic and taxonomic revision, including molecular phylogenetic analysis, of lichenized Basidiomycota in the Dictyonema clade, ten species are described as new from tropical America, seven in the foliose genus Cora and three in the filamentous genus Dictyonema : Cora arachnoidea J. E. Hern. & Lucking, sp. nov. , C. aspera Wilk, Lucking & E. Morales, sp. nov. , C. byssoidea Lucking & Moncada, sp. nov. , C. cyphellifera Dal-Forno, Bungartz & Lucking, sp. nov. , C. inversa Lucking & Moncada, sp. nov. , C. squamiformis Wilk, Lucking & Yanez-Ayabaca, sp. nov. , C. strigosa Lucking, E. Paz & L. Salcedo, sp. nov. , Dictyonema aeruginosulum Lucking, Nelsen & Will-Wolf, sp. nov. , D. diducens Nyl. ex Lucking, sp. nov. , D. metallicum Lucking, Dal-Forno & Lawrey, sp. nov. , and D. obscuratum Lucking, Spielmann & Marcelli, sp. nov. We discuss the taxonomic status of the six names historically established for species belonging in the genus Cora and reinstate the names C. gyrolophia Fr., C. pavonia (Sw.) Fr., and C. reticulifera Vain., providing diagnostic features for these, whereas the status of C. glabrata (Spreng.) Fr. and C. bovei Speg. remains uncertain. The following new combinations are introduced: Cora hirsuta (Moncada & Lucking) Moncada & Lucking, comb. nov., C. minor (Lucking, E. Navarro & Sipman) Lucking, comb. nov. , Corella melvinii (Chaves, Lucking & Umana) Lucking, Dal-Forno & Lawrey, comb. nov ., Cyphellostereum phyllogenum (Mull. Arg.) Lucking, Dal-Forno & Lawrey, comb. nov. , Dictyonema caespitosum (Johow) Lucking, comb. nov. , D. irrigatum (Berk. & M. A. Curtis) Lucking, comb. nov. , D. phyllophilum (Parmasto) Lucking, Dal-Forno & Lawrey, comb. et stat. nov. , and D. scabridum (Vain.) Lucking, comb. et stat. nov. Keys are presented to the five currently accepted genera and 40 currently recognized species in the genera Cyphellostereum , Dictyonema , Cora , and Corella .