Journal
PHYTOTAXA
Volume 170, Issue 1, Pages 13-23Publisher
MAGNOLIA PRESS
DOI: 10.11646/phytotaxa.170.1.2
Keywords
taxonomy; phylogeny; ITS; tef1; Czech Republic; Hungary; Italy
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Funding
- Ministry of Culture of the Czech Republic as part of its long-term conceptual development program for research institutions (DKRVO) [MK000094862]
- Slovak Research and Development Agency [SK-CZ-0052-11]
- Comenius University Grant Agency [UK/327/2013]
- Ministry of Education, Youth and Sports of the Czech Republic [7AMB12SK082]
- Hungarian Scientific Research Fund [OTKA NN 106394]
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A new species, Melanoleuca juliannae is described from Hungary. Its most outstanding character is the presence of a violaceous-blue colour in the stipe base. Sequence comparisons with other Melanoleuca species revealed highly similar but decolourate members of the species, lacking the remarkable colour of the stipe. These specimens are described as Melanoleuca juliannae var. decolorans based on three collections from the Czech Republic and Italy. Detailed macro- and microscopic descriptions of the new species are given. The position of M. juliannae within subgen. Urticocystis was confirmed by DNA sequence data of the ITS region of the nuclear ribosomal RNA gene cluster and translation elongation factor 1-alpha (tef1). Although intra-individual heterogeneity in ITS region was revealed in some specimens of the type variety, the tef1 sequences lack a similar heterogeneity.
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