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Three new Stirtonia species (Arthoniales) from Reserva Muralha, NE Brazil, with a worldwide key to the species

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Three new species are described in the small genus Stirtonia, all from NE Brazil, and all from one reserve of Caatinga forest in Paraíba. Stirtonia microspora is characterized by the small macrocephalic ascospores, S. nitida by the smooth thallus even covering the ascigerous areas and S. nivea by the pruinose, elongated ascigerous areas. This is an unexpected diversity of this mostly palaeotropical genus in the neotropics. A revised worldwide key to the known species is presented.
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Keywords: ARTHONIALES; CAATINGA; NEW SPECIES; PARAÍBA

Document Type: Research Article

Publication date: May 1, 2014

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  • Nova Hedwigia is an international journal publishing original, peer-reviewed papers on current issues of taxonomy, morphology, ultrastructure and ecology of all groups of cryptogamic plants, including cyanophytes/cyanobacteria and fungi. The half-tone plates in Nova Hedwigia are known for their high quality, which makes them especially suitable for the reproduction of photomicrographs and scanning and transmission electron micrographs.
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