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cryptogamie Mycologie 2021 ● 42 ● 8 DIRECTEUR DE LA PUBLICATION / PUBLICATION DIRECTOR : Bruno DAVID Président du Muséum national d’Histoire naturelle RÉDACTEUR EN CHEF / EDITOR-IN-CHIEF : Bart BUYCK ASSISTANTE DE RÉDACTION / ASSISTANT EDITOR : Marianne SALAÜN ([email protected]) MISE EN PAGE / PAGE LAYOUT : Marianne SALAÜN RÉDACTEURS ASSOCIÉS / ASSOCIATE EDITORS : Slavomír ADAMČÍK Institute of Botany, Plant Science and Biodiversity Centre, Slovak Academy of Sciences, Dúbravská cesta 9, SK-84523, Bratislava (Slovakia) André APTROOT ABL Herbarium, G.v.Laboratório de Botânica / Liquenologia, Instituto de Biociências, Universidade Federal de Mato Grosso do Sul, Avenida Costa e Silva s/n, Bairro Universitário, CEP 79070-900, Campo Grande, Mato Grosso do Sul (Brazil) Cony DECOCK Mycothèque de l’Université catholique de Louvain, Earth and Life Institute, Microbiology, Université catholique de Louvain, Croix du Sud 3, B-1348 Louvain-la-Neuve (Belgium) André FRAITURE Botanic Garden Meise, Domein van Bouchout, B-1860 Meise (Belgium) Kevin D. HYDE School of Science, Mae Fah Luang University, 333 M. 1 T.Tasud Muang District, Chiang Rai 57100 (Thailand) Valérie HOFSTETTER Station de recherche Agroscope Changins-Wädenswil, Dépt. Protection des plantes, Mycologie, CH-1260 Nyon 1 (Switzerland) Sinang HONGSANAN College of Life Science and Oceanography, Shenzhen University, 1068, Nanhai Avenue, Nanshan, ShenZhen 518055 (China) Egon HORAK Schlossfeld 17, A-6020 Innsbruck (Austria) Jing LUO Department of Plant Biology & Pathology, Rutgers University New Brunswick, NJ 08901 (United States) Ruvishika S. JAYAWARDENA Center of Excellence in Fungal Research, Mae Fah Luang University, 333 M. 1 T.Tasud Muang District, Chiang Rai 57100 (Thailand) Chen JIE Instituto de Ecología, Xalapa 91070, Veracruz (México) Sajeewa S.N. MAHARCHCHIKUMBURA Department of Crop Sciences, College of Agricultural and Marine Sciences, Sultan Qaboos University (Oman) Pierre-Arthur MOREAU UE 7144. Faculté des Sciences pharmaceutiques et biologiques. Université Lille Nord de France. F-59006 Lille (France) Tian QING Center of Excellence in Fungal Research, Mae Fah Luang University 333 M. 1 T.Tasud Muang District, Chiang Rai 57100 (Thailand) Sylvie RAPIOR Laboratoire de Botanique, Phytochimie et Mycologie / UMR -CNRS 5175 CEFE, Faculté de Pharmacie, 15, avenue Charles-Flahault, Université Montpellier I, BP 14491, 34093 Montpellier Cedex 5 (France) Franck RICHARD Université de Montpellier II, CEFE/CNRS Campus du CNRS, 1919, route de Mende, 34293 Montpellier Cedex 5 (France) Naritsada THONGKLANG Center of Excellence in Fungal Research, Mae Fah Luang University, 333 M. 1 T.Tasud Muang District, Chiang Rai 57100 (Thailand) Xiang-Hua WANG CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Lanhei Road 132, Kunming 650201, P. R. (China) COUVERTURE / COVER : Extraits d’éléments de la Figure 1 / Extracts of the Figure 1 Cryptogamie, Mycologie est indexé dans / Cryptogamie, Mycologie is indexed in: – Biological Abstracts – Current Contents – Science Citation Index – Publications bibliographiques du CNRS (Pascal). Cryptogamie, Mycologie est distribué en version électronique par / Cryptogamie, Mycologie is distributed electronically by: – BioOne® (http://www.bioone.org/loi/crym) Cryptogamie, Mycologie est une revue en flux continu publiée par les Publications scientifiques du Muséum, Paris Cryptogamie, Mycologie is a fast track journal published by the Museum Science Press, Paris Les Publications scientifiques du Muséum publient aussi / The Museum Science Press also publishes: Adansonia, Geodiversitas, Zoosystema, Anthropozoologica, European Journal of Taxonomy, Naturae, Cryptogamie sous-sections Algologie, Bryologie, Comptes Rendus Palevol. Diffusion – Publications scientifiques Muséum national d’Histoire naturelle CP 41 – 57 rue Cuvier F-75231 Paris cedex 05 (France) Tél. : 33 (0)1 40 79 48 05 / Fax : 33 (0)1 40 79 38 40 [email protected] / http://sciencepress.mnhn.fr © Publications scientifiques du Muséum national d’Histoire naturelle, Paris, 2021 ISSN (imprimé / print) : 0181-1584/ ISSN (électronique / electronic) : 1776-100 Two new crustose Cladonia species with strepsilin and other new lichens from the Serra de Maracaju, Mato Grosso do Sul, Brazil André APTROOT Maria Fernanda SOUZA Adriano Afonso SPIELMANN Laboratório de Botânica / Liquenologia, Instituto de Biociências, Universidade Federal de Mato Grosso do Sul, Avenida Costa e Silva s/n, Bairro Universitário, CEP 79070-900, Campo Grande, Mato Grosso do Sul (Brazil) [email protected] (corresponding author) Submitted on 23 November 2020 | Accepted on 18 May 2021 | Published on 2 July 2021 Aptroot A., Souza M. F. & Spielmann A. A. 2021. — Two new crustose Cladonia species with strepsilin and other new lichens from the Serra de Maracaju, Mato Grosso do Sul, Brazil. Cryptogamie, Mycologie 42 (8): 137-148. https://doi. org/10.5252/cryptogamie-mycologie2021v42a8. http://cryptogamie.com/mycologie/42/8 ABSTRACT Five species of lichens are described as new from the Serra de Maracaju in Mato Grosso do Sul (Brazil): Cladonia gumboskii Aptroot, M.F. Souza & Spielmann, sp. nov. (also reported from five other states in KEY WORDS Brazil), C. zebrathallina Aptroot & Spielmann, sp. nov., Lecanora fluoroxylinaAptroot & M.F.Souza, Lecanora, sp. nov. (also reported from Mato Grosso and Paraná), L. lichexanthoxylina Aptroot & M.F. Souza, sp. Trypethelium, Cerrado, nov., and Trypethelium muriforme Aptroot & M.F.Souza, sp. nov.. A further 123 species are reported new species. new to the area, of which ten are first records for Brazil and a further 41 are first records for the state. RÉSUMÉ Deux nouvelles espèces de Cladonia crustacés avec strepsiline et autres nouveaux lichens de la Serra de Maracaju, Mato Grosso do Sul, Brésil. Cinq espèces de lichens sont décrites comme nouvelles de la Serra de Maracaju dans le Mato Grosso do Sul (Brésil) : Cladonia gumboskii Aptroot, M.F. Souza & Spielmann, sp. nov. (également signalé dans cinq autres États du Brésil), C. zebrathallina Aptroot & Spielmann, sp. nov., Lecanora fluoroxy- MOTS CLÉS lina Aptroot & M.F.Souza sp. nov. (également signalé dans le Mato Grosso et le Paraná), L. lichexan- Lecanora, thoxylina Aptroot & M.F.Souza, sp. nov., et Trypethelium muriforme Aptroot & M.F.Souza, sp. nov. Trypethelium, Cerrado, En outre, 123 espèces sont signalées comme nouvelles dans la région, dont dix sont des premières espèces nouvelles. mentions pour le Brésil et 41 pour l’État. CRYPTOGAMIE, MYCOLOGIE • 2021 • 42 (8) © Publications scientifiques du Muséum national d’Histoire naturelle, Paris. www.cryptogamie.com/mycologie 137 Aptroot A. et al. INTRODUCTION On wooden fences and fence poles, there is often a lush veg- etation of lichens present, mostly a mosaic of crustose species The Serra de Maracaju is situated in Mato Grosso do Sul, at with the occasional foliose and fruticose species overgrowing the margin of the pre-cambrian sandstone plateau that cov- them. Most of the species present on this substratum are also ers most of the state. Here, steep cliffs, created by the Aqui- known from bark, but not all. dauana river and its tributaries, mark the transition to the Among the species that seem to be characteristic for wooden Pantanal. Exposed parts of the cliffs are covered by lichens, fences are two species of Lecanora Ach. that we found in vari- predominantly Xanthoparmelia (Vain.) Hale. Trees and shrubs ous places but that seem to be undescribed so far. Lecanora support additional species, and the wooden poles of fences is in the current wide sense a large genus, the type genus of posts are often full of lichens as well. Fleig & Riquelme (1991) the Lecanoraceae Körb. There exists no monograph, and even reported 72 lichen species from the area, mostly corticolous most regional treatments are only partial. macrolichens. The genus Trypethelium Spreng. is common and turns out Cladonia P. Browne, the type genus of the Cladoniaceae to be quite rich in species in southern Brazil. It is the type Zenker, is a large genus of generally fruticose lichens. Most genus of the Trypetheliaceae Eschw., and was monographed by species are dimorphic, composed of a squamulose or crustose Aptroot & Lücking (2016). Recently (Aptroot & Spielmann basal part and a vertically elongated and usually branched part 2020), three new species were described from Mato Grosso called podetium. Observations of such crustose basal thalli are do Sul alone. Here we add another one, the first species in restricted to a small portion of the species assigned to subgenus this genus with muriform ascospores. Cladina Nyl., as most species occur on soil and such crusts are only developed on the rare cases when such species grow in a more stable substratum like decorticated wood. Brazil is the MATERIAL AND METHODS country with the world’s richest Cladonia funga, in species number, number of endemic species and spread in characters During three trips in 2019 and 2020, specimens were collected by (Ahti 2000; Gumboski & Eliasaro 2011; Gumboski et al. the authors, using Opinel knife or hammer and chisel, examined 2013). Recently, from mountains in Bahia, Cladonia minisax- by 10× hand lens (Leuchtlupe with 365nm UV) and air-dried. icola Aptroot & M. Cáceres was described (Aptroot & Cáceres Specimens were often selected in the field as representative of 2018), which is the only Cladonia species that remains crus- a known species or a characteristic morphology; in addition, a tose,