Taeniolella sabalicola sp. nov., isolated from a petiole of a dead leaf of Sabal palmetto collected in south Florida, U.S.A., is described and illustrated based on morphological, cultural and molecular data. The fungus is characterized by forming slowly growing, black,
restricted colonies on culture media and effuse colonies with abundant aerial mycelium on natural substrate after incubation, semi-macronematous or micronematous, long, unbranched conidiophores and clavate, ellipsoidal or cylindrical, smooth or verruculose, brown to blackish brown, multiseptate
conidia with transverse, longitudinal and oblique septa, often surrounded by a mucilaginous sheath and usually in simple or branched acropetal chains. Phylogenetic analyses based on partial nuclear ribosomal large subunit (LSU) and internal transcribed spacer (ITS) sequence data also suggest
the fungus is distinct from other Taeniolella species and possess affinities with members of Sordariomycetidae (Ascomycota) but its ordinal or familial position within the subclass remains uncertain. Molecular data also confirm that Taeniolella sensu lato is polyphyletic and
show that T. sabalicola is unrelated to the generic type, T. exilis, recently placed in the family Kirschsteiniotheliaceae within the class Dothideomycetes.
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Document Type: Research Article
Publication date: August 1, 2017
This article was made available online on November 21, 2016 as a Fast Track article with title: "South Florida microfungi: a new species of <i>Taeniolella</i> (anamorphic Sordariomycetes) isolated from cabbage palm".
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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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