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Chalara aff. microspora (6888): colonies on Cladonia coniocraea , habitus of the infection. Scale bar = 0.5 mm. 

Chalara aff. microspora (6888): colonies on Cladonia coniocraea , habitus of the infection. Scale bar = 0.5 mm. 

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During several excursions to Central Italy in the years 2010 to 2014, 188 sites of lichenological interest were visited. The results of this field study with special emphasis on the lichenicolous fungi is presented here. The new species Abrothallus teloschistis Brackel, Pérez-Ortega & Suija, Arthonia rangiformicola Brackel & Etayo, Pronectria zhurb...

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... We encountered several specimens of an unknown Acremonium-like fungus with large and predominantly 1-septate conidia, cooccurring with perithecia of Paranectria oropensis, suggesting that they may represent the asexual stage of this species. Interestingly, the conidia in the Dutch material differ from the anamorph described by Brackel (2015), where the conidia are described as predominantly 3-septate, and measuring 25.0-30.0 × 4.7-5.7 µm (when released from the conidiogenous cells) or 34.0-38.9 ...
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Recent finds of lichenicolous fungi from the Netherlands are described and discussed. Echinothecium micareae spec. nov. and Lichenochora verrucariae spec. nov. are described as new for science. An additional 31 species are reported for the first time from the Netherlands: Abrothallus cladoniae, Arthonia diploiciae, A. rinodinicola, Cladophialophora cladoniae, Dacampia cyrtellae, Dactylospora microspora, Didymocyrtis cladoniicola, D. consimilis, D. physciae, Diplotomma parasiticum, Epithamnolia pertusariae, Gonatophragmium lichenophilum, Lichenohendersonia varians, Lichenostigma chlaroterae, L. cosmopolites, Nectria brutia, Nectriopsis physciicola, Niesslia cladoniicola, Opegrapha hochstetteri, O. opaca, Phaeoseptoria peltigerae, Phaeospora lecanorae, Polycoccum aksoyi, P. laursenii, Pronectria diplococca, Pseudocercospora lichenum, Stigmidium fuscatae, Tremella candelariellae, T. occultixanthoriae, Trimmatostroma acetabuli and Zwackhiomyces diederichii. Notes are provided on these and some other interesting lichenicolous fungi. There are currently 240 species of lichenicolous fungi known from the Netherlands.
... More than 140 species belong to the latter category and are obligate parasites on lichens, almost all of which are restricted to a single host species or genus (Diederich et al. 2018; Supplementary Table S1). One should note, however, that Diederich et al. (2018) frequently include only the primary or typical hosts, and that one can find reports of many lichenicolous species on atypical hosts in the literature (e.g., Brackel (2015) reports Arthonia coronata Etayo on Cladonia spp.). Such reports may reflect the presence of undescribed cryptic species, differing significantly from related congeners only in host selection, or they may indicate that lichenicolous species have broader host tolerances than previously thought. ...
... R.Sant., A. clemens (Tul.) Th.Fr., A. glacialis Alstrup & E.S.Hansen, A. oligospora Vězda and A. sherparum Grube & Matzer (Alstrup & Hansen 2001;Brackel 2015;Candan & Halıcı 2008;Coppins & Aptroot 2009;Darmostuk 2018;Foucard 2001;Grube 2007;Grube & Matzer 1997;Ihlen & Wedin 2008). The other set of species has 2-3-septate ascospores, but these differ from the ascospores of A. galligena in having equally sized cells (i.e., isolocular) rather than the uppermost cell enlarged (i.e., macrocephalic): A. lecanoricola Alstrup & Olech, A. protoparmeliopsidis 1 Etayo & Diederich, A. subfuscicola (Linds.) ...
... Nimis (2022) also distinguished the two by host: A. apotheciorum on M. albescens and A. galactinaria on various other Myriolecis species. The ascospores of A. galactinaria have also been reported to turn subhyaline (Brackel 2015) or brownish (Foucard 2001), the latter apparently agreeing with the protologue (Kocourková 2000). Hafellner (2018) and Diederich et al. (2018) tentatively synonymized A. apotheciorum, A. galactinaria and A. subvarians. ...
Article
Arthonia frostiicola and A. galligena are described as new to science based on collections from mountainous regions of southeastern North America. Arthonia frostiicola infects the saxicolous lichen Dirinaria frostii, producing emarginate black apothecia which erupt from within the host thallus. It is characterized by a dark hypothecium and 1-septate, obovoid ascospores which turn brownish and verruculose in age. It is known from five collections made in the southern Appalachian Mountains and Ozark Mountains in southeastern North America. Arthonia galligena produces galls in the thallus and apothecia of the corticolous lichens Lecanora masana and L. rugosella, and is apparently endemic to the high elevations of the southern Appalachian Mountains. It is characterized by a variably pigmented, pale to red-brown hypothecium and 2-septate, macrocephalic ascospores which turn brownish and verruculose in age. Keys to the species of Arthonia on Caliciales and Lecanoraceae are provided.
... AT (MHA-9 095 481) Epithamnolia longicladoniae(Diederich & van den Boom) Diederich & SuijaNew to ER. So far, the species has been reported from Italy, Luxembourg, the Netherlands, Asian part of Russia and USA (Alaska)(Diederich & Van den Boom 2013, Brackel 2015, Zhurbenko & Pino-Bodas 2017. ...
Article
Muchnik, E. E, Tsurykau, A., Otte, V., Breuss, O., Gerasimova, J. V. & Cherepenina, D. A. 2022. New and otherwise noteworthy records of lichenized and lichenicolous fungi from central European Russia II. – Herzogia 35: 494 –509. Records of fifteen species of lichenized and ten species of lichenicolous fungi are presented. Lecanora substerilis, Rufoplaca subpallida, Sarcogyne praetermissa and Verrucaria fuscoatroides are reported as new for Russia. Didymocyrtis epiphyscia s. lat., Epithamnolia longicladoniae, Lecanora barkmaniana and Sclerococcum epicladonia are new for the European part of Russia, and Arthonia phaeophysciae, Bacidina mendax, Cladonia novochlorophaea, Gyalecta carneola, Lichenoconium aeruginosum and Verrucaria pilosoides are new for central European Russia. A further nine species (Cliostomum corrugatum, Gyalecta derivata, Lichenoconium lecanorae, Micarea soralifera, Physciella chloantha, Taeniolella phaeophysciae, Talpapellis beschiana, Telogalla olivieri, Verrucaria ochrostoma) were rarely observed in central European Russia previously. Short notes on the characters and the geographic distribution of the species are provided. Muchnik, E. E, Tsurykau, A., Otte, V., Breuss, O., Gerasimova, J. V. & Cherepenina, D. A. 2022. Neue und andere bemerkenswerte Funde lichenisierter und lichenicoler Pilze aus dem zentralen europäischen Teil Russlands II. – Herzogia 35: 494 –509. Funde von fünfzehn Arten lichenisierter und zehn lichenicoler Pilzen werden aufgeführt. Lecanora substerilis, Rufoplaca subpallida, Sarcogyne praetermissa und Verrucaria fuscoatroides werden erstmals für Russland nachgewiesen. Didymocyrtis epiphyscia s. lat., Epithamnolia longicladoniae, Lecanora barkmaniana und Sclerococcum epicladonia sind neu für den europäischen Teil Russlands. Arthonia phaeophysciae, Bacidina mendax, Cladonia novochlorophaea, Gyalecta carneola, Lichenoconium aeruginosum und Verrucaria pilosoides sind neu für den mittleren Teil des europäischen Russlands. Weitere neun Arten (Cliostomum corrugatum, Gyalecta derivata, Lichenoconium lecanorae, Micarea soralifera, Physciella chloantha, Taeniolella phaeophysciae, Talpapellis beschiana, Telogalla olivieri, Verrucaria ochrostoma) wurden bisher äußerst selten beobachtet. Auf ihre kennzeichnenden Merkmale und ihre Verbreitung wird kurz eingegangen.
... The knowledge on lichenicolous fungi of the European Mediterranean, e.g. Balcan, Apennine and Iberian peninsulas, is fragmentary, to make more general conclusions (Brackel 2015, 2016, 2021, Brackel & Berger 2019, Brackel & Döbbeler 2020, Calatayud et al. 1995, Llimona & Hladun 2001. ...
Article
Darmostuk, V., Fakovcov, Z., Breidy, J., Dokmak, H., van den Boom, P. P. G. & Guttov, A. 2022. Solenopsora species as hosts of lichenicolous fungi. Herzogia 35: 115 130. We examined the thalli of members of the lichen genus Solenopsora (Leprocaulaceae) to learn more about their potential to host symptomatic lichenicolous fungi. Altogether, 600 specimens were screened, out of which 78 were infected by lichenicolous fungi. We identified eleven taxa of lichenicolous fungi Arthonia sp., Ceratobasidium bulbillifaciens, Cladosporium sp., Didymocyrtis cladoniicola, Lichenosticta sp., Merismatium cf. peregrinum, Muellerella lichenicola, Muellerella triseptata, Sphaerellothecium griseae, Stigmidium solenopsoricola, and Zwackhiomyces solenopsorae, out of which S. griseae and S. solenopsoricola are described here new for science. The ratio infected specimens/total inspected host specimens (LF/host ratio) is 0.13 for all examined samples. The highest value of LF/host ratio was recorded for Solenopsora grisea and S. holophaea, respectively (0.35 and 0.30). The greatest diversity of lichenicolous fungi was denoted for Solenopsora candicans and S. grisea. The most frequent lichenicolous fungus on S. candicans was Muellerella lichenicola (85 % of infected host specimens) and Sphaerellothecium griseae (23 % of infected host specimens) on S. grisea. Morphological features and taxonomical remarks on the examined specimens are given. Darmostuk, V., Fakovcov, Z., Breidy, J., Dokmak, H., van den Boom, P. P. G. & Guttov, A. 2022. Solenopsora-Arten als Wirte flechtenbewohnender Pilze. Herzogia 35: 115 130. Wir untersuchten die Thalli von Arten der Flechtengattung Solenopsora (Leprocaulaceae), um mehr ber ihr Potenzial als Wirte symptomatischer flechtenbewohnender Pilze zu erfahren. Insgesamt wurden 600 Proben betrachtet, von denen 78 mit flechtenbewohnenden Pilzen infiziert waren. Wir stellten elf Taxa flechtenbewohnender Pilze fest Arthonia sp., Ceratobasidium bulbillifaciens, Cladosporium sp., Didymocyrtis cladoniicola, Lichenosticta sp., Merismatium cf. peregrinum, Muellerella lichenicola, Muellerella triseptata, Sphaerellothecium griseae, Stigmidium solenopsoricola und Zwackhiomyces solenopsorae, von denen S. griseae und S. solenopsoricola hier als neue Arten beschrieben werden. Das Verhltnis infizierter Proben zur Gesamtprobenmenge (LF/host ratio) betrgt 0,13 fr alle betrachteten Proben. Der hchste Wert der LF/host ratio wurde fr Solenopsora grisea und S. holophaea gefunden (0,35 bzw. 0,30). Die hchste Diversitt flechtenbewohnender Pilze zeigten Solenopsora candicans und S. grisea. Der hufigste flechtenbewohnende Pilz auf S. candicans war Muellerella lichenicola (85 % der infizierten Wirts-Proben) und Sphaerellothecium griseae auf S. grisea (23 % der infizierten Wirts-Proben). Morphologische Merkmale der untersuchten Proben werden beschrieben und taxonomische Bemerkungen gemacht.
... This saprophytic hyphomycete grows on different phanerogams, facultatively also lichenicolous, mostly on Peltigera species. With a lichenicolous habit the species is known in Italy only from Marche (Brackel 2015). Diederich (Fig. 6) 480: on Lecidella elaeochroma, thallus (hb Brackel 8586). ...
... Muellerella hospitans Stizenb. Puntillo & Brackel (2017) The species usually grows on hosts of the genus Phaeophyscia, but in Italy it is known also from Hyperphyscia (Brackel 2015). It is widespread over the northern hemisphere (Russia, Japan, Korea, USA) but very rarely reported (Ertz et al. 2005, Hafellner 2009, Frisch & Ohmura 2013, Kondratyuk et al. 2013, in Italy it was known until now only from Lazio and Toscana. ...
... The species is widely distributed over the northern hemisphere (Timdal 1991 and others) and restricted to hosts of the genus Pectenia and perhaps also other lichens with cyanobacterial photobionts. (Brackel 2015). ...
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Brackel, W.v.: Lichenicolous fungi from Campania (Italy).-Borziana 2: 031-068. 2021-ISSN: 2724-5020 online. During a two weeks excursion to Campania in 2016, 36 lichenologically interesting sites were visited. The results of these field studies with special emphasis on lichenicolous fungi are presented , completed with data from the literature. The resulting list comprises 56 species based on original data (own recent records) and 29 species known only from literature ; now 85 species of lichenicolous fungi are known from Campania (80 non-lichenized, obligatory lichenicolous fungi). Among these, one species (Microsphaeropsis lichenicola) is new to Europe, one species (Feltgeniomyces luxemburgensis) is new to Italy and 47 species are new to Campania. The new species Endococcus collematis Brackel is described. Provisional descriptions are given for Arthonia sp. (on Pannaria conoplea), Capronia lecanorae ad int. (on Lecanora horiza), Lichenopeltella lecanoricola ad int. (on L. horiza), Polycoccum sp. (on Romjularia lurida) and Stigmidium sp. (on Xanthoparmelia conspersa). In the Table 1, a list of all noted lichens from the 36 visited sites is given.
... Notes: Paralecia pratorum, the type species of this monotypic genus, is a Lecidella-/Biatora-like discomycete for which a closer relationship to Squamarina has been postulated (Liu et al. 2015) but in our opinion this needs confirmation as the sets of phenotypic hymenial characters of the two genera are very different. The fungus appears to be a restricted to Protoparmeliopsis and has only previously been recorded from Italy (Liu et al. 2015, Brackel 2015 and Sweden (Svensson et al. 2017). ...
Article
A total of 42 taxa of lichenicolous fungi – most of them non-lichenized, a few lichenized – are recorded from various countries in southeastern Europe. Of these, 22 species (Clypeococcum cetrariae, Didymocyrtis pseudeverniae, Illosporiopsis christiansenii, Lecanora lecanoricola, Lecanora printzenii, Lichenoconium erodens, Lichenoconium reichlingii, Lichenostigma alpinum, Merismatium decolorans, Niesslia cladoniicola, Paralecia pratorum, Phaeospora peltigericola, “Phoma” lobariae, “Phoma” lobariicola, Raesaenenia huuskonenii, Stigmidium schaereri, Stigmidium stygnospilum, Taeniolella phaeophysciae, Taeniolella thelotrematis, Talpapellis beschiana, Trichonectria rubefaciens, and Zwackhiomyces lecanorae) are reported for the first time from the Balkan Peninsula. A further 20 taxa previously known from the Balkan are added to the mycofloras of additional Balkan countries. The new records for individual countries are: Muellerella erratica and Lichenoconium reichlingii for Albania; Didymocyrtis cladoniicola, Lichenoconium erodens, Lichenostigma maureri and Taeniolella phaeophysciae for Bosnia and Herzegovina; Stigmidium gyrophorarum, Taeniolella phaeophysciae, and Xanthoriicola physciae for Bulgaria; “Phoma” lobariae and Taeniolella thelotrematis for Croatia; Didymocyrtis cladoniicola, Lichenoconium erodens, Merismatium decolorans, “Phoma” lobariicola, Talpapellis beschiana, Telogalla olivieri, and Zwackhiomyces lecanorae for Greece; Didymocyrtis pseudeverniae, Endococcus propinquus, Lecanora lecanoricola, Lichenoconium erodens, and Lichenosticta alcicornaria for Kosovo; Telogalla olivieri for North Macedonia; Arthonia molendoi, Arthonia varians, Buellia uberior, Clypeococcum cetrariae, Endococcus propinquus, Endohyalina insularis, Heterocephalacria physciacearum, Illosporiopsis christiansenii, Lecanora printzenii, Lichenochora weillii, Lichenoconium erodens, Lichenoconium usneae, Lichenostigma alpinum, Lichenostigma chlaroterae, Muellerella pygmaea var. athallina, Niesslia cladoniicola, Paralecia pratorum, Phaeospora peltigericola, “Phoma” lobariae, Raesaenenia huuskonenii, Stigmidium schaereri, Stigmidium squamariae, Stigmidium stygnospilum, Taeniolella phaeophysciae, Talpapellis beschiana, Thelocarpon epibolum, Toninia plumbina, and Trichonectria rubefaciens for Montenegro.
... × (3.8-)4.4-4.8(-6.2) µm (n=30). These morphological features fit the concept of A. digitatae (Kocourková & van den Boom, 2005;Brackel, 2015;Zhurbenko & Pino-Bodas, 2017). This is a widespread holarctic species occurring also in polar desert biome (Zhurbenko & Pino-Bodas, 2017 ...
Article
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Nine species, Acremonium rhabdosporum, Arthonia digitatae, Bryocentria metzgeriae, Diplolaeviopsis cf. symmictae, Skyttea gregaria, Rhymbocarpus pubescens, Stromatopogon cladoniae, Tremella cetrariicola and Xenonectriella subimperspicua, are newly reported for Ukraine. Sphinctrina anglica is recollected for the first time since 1955. Parmelia saxatilis and Parmelina pastillifera are new host species for X. subimperspicua.
... × (3.8-)4.4-4.8(-6.2) µm (n=30). These morphological features fit the concept of A. digitatae (Kocourková & van den Boom, 2005;Brackel, 2015;Zhurbenko & Pino-Bodas, 2017). This is a widespread holarctic species occurring also in polar desert biome (Zhurbenko & Pino-Bodas, 2017 ...
Article
Nine species, Acremonium rhabdosporum, Arthonia digitatae, Bryocentria metzgeriae, Diplolaeviopsis cf. symmictae, Skyttea gregaria, Rhymbocarpus pubescens, Stromatopogon cladoniae, Tremella cetrariicola and Xenonectriella subimperspicua, are newly reported for Ukraine. Sphinctrina anglica is recollected for the first time since 1955. Parmelia saxatilis and Parmelina pastillifera are new host species for X. subimperspicua.
... Also other authors had placed question marks behind some of their determinations, mainly because of difficulties in interpreting the taxonomical value of the sometimes variable K+ reaction of the ascomatal wall (e.g. Brackel 2009, 2014, 2015, Zhurbenko & Otte 2012, Etayo 2017; the latter observed two diverse types of the K reaction ("violeta-morado" or "purpura", meaning "violet" or "purple"). ...
Article
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Confusion about the identity of Xenonectriella leptaleae (J.Steiner) Rossman & Lowen led us to revise Central European material of the hypocrealean genera Pronectria and Xenonectriella growing on foliose Physciaceae to clarify the taxonomy. Consequently, we reinstate Pronectria leptaleae and describe Pronectria etayoi, Xenonectriella physciacearum and X. zimmermanni as new species. The new combination Xenonectriella angulospora is proposed. A key to the species of the genera Pronectria and Xenonectriella growing on Physciaceae in Europe is provided.
... У 60-х роках минулого сторіччя у фітоценологічній спільноті активно розробляли концепцію такого загальнобіологічного явища як консорція (Работнов, 1983), яка є елементарною структурною одиницею біоценозів. (Lawrey, 1995 У протолозі Abrothallus teloschistis (Brackel, 2015) зазначено, що на уражених ділянках слані господаря також були виявлені конідіоми Lichenoconium usneae. ...
... dillmaniae), 9 видів -нові для Східної Європи (Ceratobasidium bulbillifaciens, Cladophialophora parmeliae, Epithamnolia rangiferinae, Laetisaria lichenicola, Lichenohendersonia varians, L. squamarinae, Refractohilum achromaticum, R. intermedium та Pronectria casaresii), а 41 вид ліхенофільних грибів та 2 види ліхенофільних лишайників виявились новими для території України. Нижче подано короткі нотатки щодо поширення видів у світі та характерні морфоанатомічні особливості досліджених зразків.Це нещодавно описаний вид, що відомий з Європи (Італія) та Центральної Америки (Куба та Мексики)(Brackel, 2015; Delgado, pers. comm.).Цей вид відомий з території Німеччини, Словаччини, США та Чехії(Kocourková & Hawksworth, 2008). ...