Lichens were investigated in two upland areas in Brazil from which lichens were described in historical times. The main aim was to recollect topotypes, but 37 species turned out to be new records for Brazil. Also, 25 new lichen species are described, all from South Brazil: Acarospora aggregata, Allographa triangularis, Arthotheliopsis corticola, Astrothelium flavocrystallinum, Astrothelium flavoinspersum, Astrothelium macrostromaticum, Caloplaca fuscospora, Caloplaca marginireflectans, Cladonia sticticocrustosa, Cladonia xanthozebrina, Dichosporidium fibrosum, Dichosporidium lanosum, Fissurina aggregata, Fuscidea lobata, Gyalidea concava, Gyalideopsis crenata, Gyalideopsis hyalinocoronata, Hypotrachyna aurantiacoreagens, Hypotrachyna cauliflora, Jamesiella clavata, Jamesiella elongata, Porina lateralis, Pseudopyrenula muriformis, Rhizocarpon sorediosubmuriforme, and Thelidium mucosoides. The collection includes two further crustose Cladonia species in this mostly fruticose genus, and almost doubles the number of species in Jamesiella. Furthermore, 149 species are reported from São Paulo state for the first time, 74 from Rio de Janeiro, 10 from Minas Gerais, and four from Espírito Santo.
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6 February 2024
New Lichen Species from South Brazil
André Aptroot,
Lidiane Alves dos Santos,
Isaias Oliveira Junior,
Carlos Augusto Vidigal Fraga Junior,
Adriano Afonso Spielmann,
Marcela Eugenia da Silva Cáceres
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The Bryologist
Vol. 127 • No. 1
Spring 2024
Vol. 127 • No. 1
Spring 2024
Acarospora
Allographa
Arthotheliopsis
Astrothelium
Caloplaca
Cladonia
Dichosporidium