taxonID	type	description	language	source
DA2F8B53FF9EFFB6D38DFC65FAC89EF4.taxon	description	(Figs 1 - 4)	en	Naziazeno, Leticia Muxfeldt, Aptroot, André (2023): New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil. Cryptogamie, Mycologie 20 (1): 1-9, DOI: 10.5252/cryptogamie-mycologie2023v44a1, URL: http://dx.doi.org/10.5252/cryptogamie-mycologie2023v44a1
DA2F8B53FF9EFFB6D38DFC65FAC89EF4.taxon	materials_examined	HOLOTYPE. — Brazil. Mato Grosso do Sul, Campo Grande, Vila Carlota, 3. III. 2021, alt. 600 m, 20 ° 29 ’ S, 54 ° 36 ’ W, on tree bark, A. Aptroot 82290 (holo-, CGMS; iso-, ABL). MYCOBANK. — MB 846359.	en	Naziazeno, Leticia Muxfeldt, Aptroot, André (2023): New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil. Cryptogamie, Mycologie 20 (1): 1-9, DOI: 10.5252/cryptogamie-mycologie2023v44a1, URL: http://dx.doi.org/10.5252/cryptogamie-mycologie2023v44a1
DA2F8B53FF9EFFB6D38DFC65FAC89EF4.taxon	description	DESCRIPTION Corticolous Melomastia with 7 to 11 - septate ascospores. Thallus corticolous, only visible as a whitish stain, not lichenized. Ascomata pseudothecioid, conical, 0.5 - 1.0 mm diam. Ostiole apical. Wall carbonized above, greenish black, but barely below the hamathecium, up to 50 µm thick. Paraphyses not branched, c. 2 µm wide. Ascospores 8 / ascus, hyaline, thick-walled with lumina fusiform, 7 (- 11) - septate, (21 -) 25 - 30 × 6.5 - 8.0 µm diam. Pycnidia not observed. REMARKS The specimen was found on living bark of a Cerrado tree. All known species of Melomastia (Li et al. 2022) occur saprophytic in marine, aquatic or dry terrestrial habitats. The number of septa in the ascospores in Melomastia septemseptata sp. nov. is seven to eleven. In most dry terrestrial representatives of Melomastia (e. g. M. fusispora W. L. Li, Maharachch. & Jian K. Liu, M. oleae W. L. Li, Maharachch. & Jian K. Liu, M. sichuanensis W. L. Li, Maharachch. & Jian K. Liu and M. winteri W. L. Li, Maharachch. & Jian K. Liu), the number of septa per ascospores is three. No previously known species of Melomastia was known to occur on living bark. The colouration of the fruiting body found in the Melomastia specimens ranges from dark brown to black in contrast to M. septemseptata sp. nov., which is dark green.	en	Naziazeno, Leticia Muxfeldt, Aptroot, André (2023): New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil. Cryptogamie, Mycologie 20 (1): 1-9, DOI: 10.5252/cryptogamie-mycologie2023v44a1, URL: http://dx.doi.org/10.5252/cryptogamie-mycologie2023v44a1
DA2F8B53FF99FFB1D0E2F8B7FE319EF3.taxon	materials_examined	MATERIAL STUDIED. — Brazil. Mato Grosso do Sul, Campo Grande, UFMS Campus, on wood, Aptroot & Muxfeldt 84760. NOTES New record for South America.	en	Naziazeno, Leticia Muxfeldt, Aptroot, André (2023): New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil. Cryptogamie, Mycologie 20 (1): 1-9, DOI: 10.5252/cryptogamie-mycologie2023v44a1, URL: http://dx.doi.org/10.5252/cryptogamie-mycologie2023v44a1
DA2F8B53FF99FFB1D0CAFD6DFEE69AF9.taxon	materials_examined	MATERIAL STUDIED. — Brazil. Mato Grosso do Sul, Campo Grande, UFMS Campus, on wood, Aptroot & Muxfeldt 83284. NOTES New record for South America. For a description, see Wang et al. (2004).	en	Naziazeno, Leticia Muxfeldt, Aptroot, André (2023): New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil. Cryptogamie, Mycologie 20 (1): 1-9, DOI: 10.5252/cryptogamie-mycologie2023v44a1, URL: http://dx.doi.org/10.5252/cryptogamie-mycologie2023v44a1
DA2F8B53FF99FFB1D3D1FDCBFB699A9B.taxon	materials_examined	MATERIAL STUDIED. — Brazil. Mato Grosso do Sul, Campo Grande, UFMS Campus, on wood, Aptroot & Muxfeldt 83259. NOTES New record for South America.	en	Naziazeno, Leticia Muxfeldt, Aptroot, André (2023): New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil. Cryptogamie, Mycologie 20 (1): 1-9, DOI: 10.5252/cryptogamie-mycologie2023v44a1, URL: http://dx.doi.org/10.5252/cryptogamie-mycologie2023v44a1
DA2F8B53FF99FFB1D0FDFB3DFEE09C89.taxon	materials_examined	MATERIAL STUDIED. — Brazil. Mato Grosso do Sul, Campo Grande, UFMS Campus, on wood, Aptroot & Muxfeldt 51431. NOTES New record for South America. For a description, see Aptroot (1998).	en	Naziazeno, Leticia Muxfeldt, Aptroot, André (2023): New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil. Cryptogamie, Mycologie 20 (1): 1-9, DOI: 10.5252/cryptogamie-mycologie2023v44a1, URL: http://dx.doi.org/10.5252/cryptogamie-mycologie2023v44a1
DA2F8B53FF99FFB1D3C9FBA3FB699DE3.taxon	materials_examined	MATERIAL STUDIED. — Brazil. Mato Grosso do Sul, Reserva Kadiweu, on wood, Aptroot 85642. NOTES New record for South America.	en	Naziazeno, Leticia Muxfeldt, Aptroot, André (2023): New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil. Cryptogamie, Mycologie 20 (1): 1-9, DOI: 10.5252/cryptogamie-mycologie2023v44a1, URL: http://dx.doi.org/10.5252/cryptogamie-mycologie2023v44a1
DA2F8B53FF99FFB1D366FA3BFB519F6B.taxon	materials_examined	MATERIAL STUDIED. — Brazil. Mato Grosso do Sul, Campo Grande, UFMS Campus, on wood, Aptroot & Muxfeldt 79908. NOTES New record for Mato Grosso do Sul.	en	Naziazeno, Leticia Muxfeldt, Aptroot, André (2023): New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil. Cryptogamie, Mycologie 20 (1): 1-9, DOI: 10.5252/cryptogamie-mycologie2023v44a1, URL: http://dx.doi.org/10.5252/cryptogamie-mycologie2023v44a1
DA2F8B53FF99FFB1D127FA6BFE8D9F63.taxon	description	For descriptions of all Hysteriales and similar species, see Boehm et al. (2009).	en	Naziazeno, Leticia Muxfeldt, Aptroot, André (2023): New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil. Cryptogamie, Mycologie 20 (1): 1-9, DOI: 10.5252/cryptogamie-mycologie2023v44a1, URL: http://dx.doi.org/10.5252/cryptogamie-mycologie2023v44a1
DA2F8B53FF99FFB1D30DF8B3FB699EF3.taxon	materials_examined	MATERIAL STUDIED. — Brazil. Pernambuco, Buique, Vale de Catimbau, on wood, Aptroot, ISE 54623. NOTES New record for South America.	en	Naziazeno, Leticia Muxfeldt, Aptroot, André (2023): New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil. Cryptogamie, Mycologie 20 (1): 1-9, DOI: 10.5252/cryptogamie-mycologie2023v44a1, URL: http://dx.doi.org/10.5252/cryptogamie-mycologie2023v44a1
DA2F8B53FF98FFB0D0D5FA8FFDE69F2F.taxon	materials_examined	MATERIAL STUDIED. — Brazil. Mato Grosso do Sul, Campo Grande, UFMS Campus, on wood, Aptroot & Muxfeldt 81312. NOTES New record for Mato Grosso do Sul.	en	Naziazeno, Leticia Muxfeldt, Aptroot, André (2023): New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil. Cryptogamie, Mycologie 20 (1): 1-9, DOI: 10.5252/cryptogamie-mycologie2023v44a1, URL: http://dx.doi.org/10.5252/cryptogamie-mycologie2023v44a1
DA2F8B53FF98FFB0D3CEFAD3FC5B9FB4.taxon	materials_examined	MATERIAL STUDIED. — Brazil. Mato Grosso do Sul, Campo Grande, UFMS Campus, on wood, Aptroot & Muxfeldt 84482. NOTES New record for South America. For a description, see Aptroot (1998).	en	Naziazeno, Leticia Muxfeldt, Aptroot, André (2023): New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil. Cryptogamie, Mycologie 20 (1): 1-9, DOI: 10.5252/cryptogamie-mycologie2023v44a1, URL: http://dx.doi.org/10.5252/cryptogamie-mycologie2023v44a1
DA2F8B53FF98FFB0D175F960FE319EF3.taxon	materials_examined	MATERIAL STUDIED. — Brazil. Pernambuco, Buique, Vale de Catimbau, on wood, Aptroot, ISE 54493. NOTES New record for South America.	en	Naziazeno, Leticia Muxfeldt, Aptroot, André (2023): New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil. Cryptogamie, Mycologie 20 (1): 1-9, DOI: 10.5252/cryptogamie-mycologie2023v44a1, URL: http://dx.doi.org/10.5252/cryptogamie-mycologie2023v44a1
DA2F8B53FF98FFB3D3ABF8DEFED89D25.taxon	materials_examined	MATERIAL STUDIED. — Brazil. Mato Grosso do Sul, Campo Grande, UFMS Campus, on wood, Aptroot & Muxfeldt 83281. NOTES New record for Mato Grosso do Sul. For a description, see Aptroot (1998).	en	Naziazeno, Leticia Muxfeldt, Aptroot, André (2023): New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil. Cryptogamie, Mycologie 20 (1): 1-9, DOI: 10.5252/cryptogamie-mycologie2023v44a1, URL: http://dx.doi.org/10.5252/cryptogamie-mycologie2023v44a1
DA2F8B53FF9BFFB3D124FB4EFE9C9F1C.taxon	materials_examined	MATERIAL STUDIED. — Brazil. Mato Grosso do Sul, Campo Grande, UFMS Campus, on wood, Aptroot & Muxfeldt 82334. NOTES New record for Brazil.	en	Naziazeno, Leticia Muxfeldt, Aptroot, André (2023): New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil. Cryptogamie, Mycologie 20 (1): 1-9, DOI: 10.5252/cryptogamie-mycologie2023v44a1, URL: http://dx.doi.org/10.5252/cryptogamie-mycologie2023v44a1
DA2F8B53FF9BFFB3D111F977FEA79EF4.taxon	materials_examined	MATERIAL STUDIED. — Brazil. Mato Grosso do Sul, Campo Grande, UFMS Campus, on wood, Aptroot & Muxfeldt 83271. NOTES New record for Mato Grosso do Sul. For a description, see Baral et al. (2020).	en	Naziazeno, Leticia Muxfeldt, Aptroot, André (2023): New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil. Cryptogamie, Mycologie 20 (1): 1-9, DOI: 10.5252/cryptogamie-mycologie2023v44a1, URL: http://dx.doi.org/10.5252/cryptogamie-mycologie2023v44a1
DA2F8B53FF9BFFB3D3EAF92DFAC49EF3.taxon	materials_examined	MATERIAL STUDIED. — Brazil. Mato Grosso do Sul, Campo Grande, UFMS Campus, on wood, Aptroot & Muxfeldt 78478. NOTES New record for South America. For a description, see Szczepkowski et al. (2000). It is reported here even though it is now classified in the basidiomycetes, as it was long thought to be an ascomycete and is similar to Caliciales.	en	Naziazeno, Leticia Muxfeldt, Aptroot, André (2023): New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil. Cryptogamie, Mycologie 20 (1): 1-9, DOI: 10.5252/cryptogamie-mycologie2023v44a1, URL: http://dx.doi.org/10.5252/cryptogamie-mycologie2023v44a1
DA2F8B53FF9BFFB3D3F8FB8AFC0D9CF2.taxon	materials_examined	MATERIAL STUDIED. — Brazil. Mato Grosso do Sul, Campo Grande, UFMS Campus, on wood, Aptroot & Muxfeldt 83272. NOTES New record for Mato Grosso do Sul. For a description, see Yacharoen et al. (2015). The species is often synonymized with the type species of the genus, butYacharoen et al. (2015) argue against this (q. v.) and prefer to keep the tropical material of this complex separate from the temperate material, based on morphological differences and polymorphisms in DNA sequences.	en	Naziazeno, Leticia Muxfeldt, Aptroot, André (2023): New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil. Cryptogamie, Mycologie 20 (1): 1-9, DOI: 10.5252/cryptogamie-mycologie2023v44a1, URL: http://dx.doi.org/10.5252/cryptogamie-mycologie2023v44a1
DA2F8B53FF9AFFB2D10CFA82FDE69F34.taxon	materials_examined	MATERIAL STUDIED. — Brazil. Mato Grosso do Sul, Campo Grande, UFMS Campus, on wood, Aptroot & Muxfeldt 83264. NOTES New record for Mato Grosso do Sul.	en	Naziazeno, Leticia Muxfeldt, Aptroot, André (2023): New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil. Cryptogamie, Mycologie 20 (1): 1-9, DOI: 10.5252/cryptogamie-mycologie2023v44a1, URL: http://dx.doi.org/10.5252/cryptogamie-mycologie2023v44a1
DA2F8B53FF9AFFB2D0C6F940FF169EF4.taxon	materials_examined	MATERIAL STUDIED. — Brazil. Mato Grosso do Sul, Campo Grande, UFMS Campus, on wood, Aptroot & Muxfeldt 83267. NOTES New record for South America. For a description, see Hafellner (1979).	en	Naziazeno, Leticia Muxfeldt, Aptroot, André (2023): New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil. Cryptogamie, Mycologie 20 (1): 1-9, DOI: 10.5252/cryptogamie-mycologie2023v44a1, URL: http://dx.doi.org/10.5252/cryptogamie-mycologie2023v44a1
DA2F8B53FF9AFFB2D372FA82FC519F35.taxon	materials_examined	MATERIAL STUDIED. — Brazil. Mato Grosso do Sul, Campo Grande, UFMS Campus, on wood, Aptroot & Muxfeldt 78028. NOTES New record for South America. For a description, see Wedin et al. (2006).	en	Naziazeno, Leticia Muxfeldt, Aptroot, André (2023): New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil. Cryptogamie, Mycologie 20 (1): 1-9, DOI: 10.5252/cryptogamie-mycologie2023v44a1, URL: http://dx.doi.org/10.5252/cryptogamie-mycologie2023v44a1
DA2F8B53FF9AFFB2D378F940FC5B9EF4.taxon	materials_examined	MATERIAL STUDIED. — Brazil. Mato Grosso do Sul, Campo Grande, UFMS Campus, on wood, Aptroot & Muxfeldt 77869. NOTES New record for South America. For a description, see Aptroot (1998).	en	Naziazeno, Leticia Muxfeldt, Aptroot, André (2023): New species and records of mostly lignicolous dothideomycetous ascomycetes from Brazil. Cryptogamie, Mycologie 20 (1): 1-9, DOI: 10.5252/cryptogamie-mycologie2023v44a1, URL: http://dx.doi.org/10.5252/cryptogamie-mycologie2023v44a1
