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New Or Interesting Lichens and Lichenicolous Fungi from Belgium, Luxembourg and Northern France

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New Or Interesting Lichens and Lichenicolous Fungi from Belgium, Luxembourg and Northern France New or interesting lichens and lichenicolous fungi from Belgium, Luxembourg and northern France. XV. Paul Diederich1, Damien Ertz2, Marion Eichler3, Rainer Cezanne3, Pieter van den Boom4, Dries Van den Broeck2 & Emmanuël Sérusiaux5 1 Musée national d’histoire naturelle, 25 rue Munster, L–2160 Luxembourg, Luxembourg ([email protected]) 2 Botanic Garden Meise, Department Bryophytes-Thallophytes, Domein van Bouchout, Nieuwelaan 38, B–1860 Meise, Belgium ([email protected]; [email protected]) 3 Kaupstraβe 43, D–64289 Darmstadt, Germany ([email protected]) 4 Arafura 16, NL–5691 JA Son, The Netherlands ([email protected]) 5 Evolution and Conservation Biology Unit, University of Liège, Sart Tilman B22, B–4000 Liège, Belgium ([email protected]) Diederich, P., D. Ertz, M. Eichler, R. Cezanne, P. van den Boom, D. Van den Broeck & E. Sérusiaux, 2014. New or interesting lichens and lichenicolous fungi from Belgium, Luxembourg and northern France. XV. Bulletin de la Société des naturalistes luxembourgeois 115 : 157–165. Abstract. Studies of mainly recent collections of lichens and lichenicolous fungi led to the addition of nine taxa to the flora of Belgium, Luxembourg and northern France: Aphanopsis coenosa, Biatora efflorescens, Burgoa splendens, Caloplaca soralifera, Flavoplaca limonia, Phoma physciicola, Tremella wirthii, Usnea glabrescens var. glabrescens and Xanthomendoza oregana. Seven additional species were reported in recent publications: Caloplaca conversa var. fallax, Ceratobasidium bulbillifaciens, Hainesia brevicladoniae, H. longicladoniae, Punctelia reddenda, Oxneria huculica and Zwackhiomyces peltigerae. New to Belgium: Cornutispora ciliata, Polycoccum pulvinatum, Thelopsis rubella and Zwackhiomyces physciicola; new to Luxembourg: Bacidia carneoglauca, Enchylium limosum, Lempholemma chalazanum, Lichenothelia convexa, Polycoccum slaptoniense, Rinodina pityrea and Thelenella muscorum. Additional notes are given on some rare and threatened spe cies. The following new combination is proposed: Xanthomendoza huculica (S. Y. Kondr.) Diederich (basionym Oxneria huculica). 1. Introduction 2. Survey of other publications on This paper continues the series of notes on the lichen flora and vegetation of the the flora of lichens and lichenicolous fungi in checklist area Belgium, Luxembourg and northern France Hellemans & Stappaerts (2012) reported (Diederich & Sérusiaux 2000, Diederich et the discovery of Punctelia reddenda (Stirt.) al. 2012). It further includes the most recent Krog in Flanders, where it grew on Salix in updates regarding nomenclature and taxon- a wet forest; the species is new to our check- omy of the species present in our study area. list area. Van den Broeck (2012c) collected In the enumeration of specimens, the abbre- Arthonia didyma and A. ruana as new to viation ‘h’ refers to the private herbarium of Flanders. Van den Broeck (2013a) disco- the collector. The term ‘checklist’ is used for vered Oxneria huculica in Belgium (new to the checklist of lichens and lichenicolous the checklist area), whilst De Wit & Van den fungi in Belgium, Luxembourg and north- Broeck (2014) reported Melanelixia subar- ern France (Diederich et al. 2014), and the gentifera as new to Flanders. term ‘checklist area’ is used for the area cov- Van den Broeck et al. (2012) presented a ered by that checklist. report of a lichenological excursion to the Bull. Soc. Nat. luxemb. 115 (2014) 157 Ourthe valley in the Belgian Ardennes in in our checklist area is Dirina massiliensis 2010, during which the lichenicolous Nec- Durieu & Mont. This species occurs either triopsis lecanodes and Sclerococcum sphae- as a fertile morph, or a sterile and sorediate rale were found as new to Belgium. Helle- morph, rarely as a pycnidiate morph. Almost mans (2012) listed 16 species of lichens and all specimens from our checklist area belong lichenicolous fungi from a Mespilus tree in to the sterile, sorediate morph, previously Flanders, Van den Broeck (2012a) 59 spe- called Dirina stenhammari (Stenh.) Poelt & cies in the nature reserve ‘Molsbergen’ near Follmann. One old, fertile specimen from Lokeren, Van den Broeck (2012b) 86 species the Ardennes (locality, collecting date and in the nature reserve ‘De Maten’ near Genk, collector unknown) represents the only Van den Broeck (2013b) 90 species in the known ascoma-forming specimen from an nature reserve ‘De Most’ near Balen, Van inland locality. den Broeck & Hellemans (2013) 62 species Otálora et al. (2014) revised the generic in the ‘Kalmthoutse Heide’, and De Beer classification of the jelly lichens (Collemata- & Van den Broeck (2013) 75 species from ceae), resulting in a completely new generic Haasop near Beveren. taxonomy of the species previously inclu- Van den Broeck et al. (2013) published a ded in Collema and Leptogium. The follow- report on two lichenological field meetings ing taxa are known from our checklist area: in Luxembourg, during which two species Blennothallia crispa (Huds.) Otálora, P. M. were found as new to the checklist area, Jørg. & Wedin, Callome multipartita (Sm.) Caloplaca conversa var. fallax and Zwackhi- Otálora, P. M. Jørg. & Wedin, Collema flac- omyces peltigerae. cidum (Ach.) Ach., C. furfuraceum (Arnold) Du Rietz, Enchylium coccophorum (Tuck.) Van den Broeck (2012d) published a detailed Otálora, P. M. Jørg. & Wedin, E. limosum study of the epiphytic lichens and lichenicol- (Ach.) Otálora, P. M. Jørg. & Wedin, E. ous fungi from the Brussels area. polycarpon (Hoffm.) Otálora, P. M. Jørg. & Wedin, E. tenax (Sw.) Gray, Lathagrium auriforme (With.) Otálora, P. M. Jørg. & 3. Taxonomical and nomenclatural Wedin, L. cristatum (L.) Otálora, P. M. Jørg. changes & Wedin, L. dichotomum (With.) Otálora, P. M. Jørg. & Wedin, L. fuscovirens (With.) Verrucaria hydrophila Orange is a new spe- Otálora, P. M. Jørg. & Wedin, Leptogium cies described for the rather common and cyanescens (Rabenh.) Körb., L. saturninum widespread aquatic lichen previously called (Dicks.) Nyl., Pseudoleptogium diffrac- V. hydrela auct. or V. denudata Zsch. (Orange tum (Körb.) Müll. Arg., Rostania quadrata 2013). The species is not rare in Belgium (Körb.) Trevis., Scytinium aragonii (Otálora) (Mosan and Ard.) and Luxembourg (Ard.). Otálora, P. M. Jørg. & Wedin, S. biatorinum Diederich & van den Boom (2013) descri- (Nyl.) Otálora, P. M. Jørg. & Wedin, S. fra- bed two new species of Hainesia growing on gile (Taylor) Otálora, P. M. Jørg. & Wedin, S. Cladonia, H. brevicladoniae Diederich & van fragrans (Sm.) Otálora, P. M. Jørg. & Wedin, den Boom, known from Belgium and nort- S. gelatinosum (With.) Otálora, P. M. Jørg. & hern France, and H. longicladoniae Diede- Wedin, S. lichenoides (L.) Otálora, P. M. Jørg. rich & van den Boom, known from Luxem- & Wedin, S. magnussonii (Degel & P. M. bourg. Jørg.) Otálora, P. M. Jørg. & Wedin, S. mas- siliense (Nyl.) Otálora, P. M. Jørg. & Wedin. Diederich et al. (2014) describe a new lichen- S. palmatum (Huds.) Gray, S. plicatile (Ach.) associated bulbilliferous basidiomycete as Otálora, P. M. Jørg. & Wedin, S. schraderi Ceratobasidium bulbillifaciens Diederich & (Bernh.) Otálora, P. M. Jørg. & Wedin, S. sub- Lawrey. The species is known from several tile (Schrad.) Otálora, P. M. Jørg. & Wedin, European countries, including Belgium and S. tenuissimum (Dicks.) Otálora, P. M. Jørg. Luxembourg. & Wedin, S. teretiusculum (Wallr.) Otálora, Tehler et al. (2013) revised the genus Dirina P. M. Jørg. & Wedin and S. turgidum(Ach.) at world-level. The only species present Otálora, P. M. Jørg. & Wedin. 158 Bull. Soc. Nat. luxemb. 115 (2014) Ertz et al. (2014) transferred Opegrapha and Montanelia sorediata (Ach.) Divakar, A. gyrocarpa, O. rufescens and Lecanactis dil- Crespo, Wedin & Essl. leniana to new genera, as Gyrographa gyro- Moncada et al. (2013) presented a molecu- carpa (Flot.) Ertz & Tehler, Pseudoschisma- lar phylogeny of the Lobariaceae. Following tomma rufescens (Pers.) Ertz & Tehler and their results, the three Lobaria s. lat. species Psoronactis dilleniana (Ach.) Ertz & Tehler. known from our checklist area belong to dis- Bendiksby & Timdal (2013) revised the tinct clades that can be recognized at generic genus Hypocenomyce. Amongst the species level: Lobaria pulmonaria (L.) Hoffm.,Loba - known from our study area, H. scalaris stays rina scrobiculata (Scop.) Cromb. and Ricaso- in Hypocenomyce (it is the generic type), lia laetevirens (Lightf.) Zahlbr. whilst H. caradocensis is moved to a new The name Anema tumidulum P. M. Jørg., genus, as Xylopsora caradocensis (Nyl.) Ben- M. Schultz & Guttová has been validated by diksby & Timdal. Jørgensen et al. (2013), who cited a French Calatayud et al. (2013) revised the species specimen from our checklist area. of Cercidospora (lichenicolous ascomycetes) Aptroot et al. (2014) show that Strigula sych- growing on Lecanora s. lat., Rhizoplaca and nogonoides (Nitschke) R. C. Harris is closely Squamarina. In addition to the two species related to Absconditella and must be exclu- that were already known from our study ded from Strigula, as Geisleria sychnogono- are (C. epipolytropa and C. macrospora), ides Nitschke. they examined a specimen from Belgium Fryday et al. (2014) describe the new genus (Ardennes district on Lecanora gisleriana) Bryolimbia for species of the Lecidea hyp- that belongs to the new C. stenotropae Nav.- norum group. Two species are known from Ros. & Hafellner ad int. our checklist area: Bryolimbia hypnorum Lücking (2012) proposed the new name (Lib.) Fryday, Printzen & S. Ekman and B. Graphis
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