A new isidiate saxicolous species of Porina (Ascomycota, Ostropales, Porinaceae)

Porina collina Orange, Palice & Klepsland is described as new from siliceous rocks in the Czech Republic, Great Britain and Norway. The thallus produces isidioid propagules which resemble those in P. rosei, P. hibernica and P. pseudohibernica, but which are more fragile and poorly-defined, and a...

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Bibliographic Details
Published in:The Lichenologist (London) 2020-07, Vol.52 (4), p.267-277
Main Authors: Orange, Alan, Palice, Zdeněk, Klepsland, Jon
Format: Article
Language:English
Subjects:
Ascospores
Deoxyribonucleic acid
Distributed Ledger Technologies: Papers Arising from Three Australian Symposia
DNA
Gene sequencing
Mitochondrial DNA
New species
Nucleotide sequence
Phylogenetics
Propagules
Ribosomal DNA
Siliceous rocks
Standard Papers
Thallus
Thermal cycling
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Description
Summary:Porina collina Orange, Palice & Klepsland is described as new from siliceous rocks in the Czech Republic, Great Britain and Norway. The thallus produces isidioid propagules which resemble those in P. rosei, P. hibernica and P. pseudohibernica, but which are more fragile and poorly-defined, and almost ecorticate; the perithecial wall is dark purplish brown and the ascospores are 3-septate. Sequences of the mitochondrial ribosomal DNA suggest that the new species belongs in the Porina byssophila clade.
ISSN:0024-2829
1096-1135
DOI:10.1017/S0024282920000183