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Soral synapomorphies are significant for the systematics of the Ustilago-Sporisorium-Macalpinomyces complex (Ustilaginaceae)

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McTaggart, A. R., Shivas, R. G., Geering, A. D. W., Callaghan, B., Vánky, K. and Scharaschkin, T. (2012) Soral synapomorphies are significant for the systematics of the Ustilago-Sporisorium-Macalpinomyces complex (Ustilaginaceae). Persoonia, 29 . pp. 63-77. https://doi.org/10.3767/003158512x660562

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Article Link: http://dx.doi.org/10.3767/003158512x660562

Abstract

The genera Ustilago, Sporisorium and Macalpinomyces are a polyphyletic complex of plant pathogenic fungi. The four main morphological characters used to define these genera have been considered homoplasious and not useful for resolving the complex. This study re-evaluates character homology and discusses the use of these characters for defining monophyletic groups recovered from a reconstructed phylogeny using four nuclear loci. Generic delimitation of smut fungi based on their hosts is also discussed as a means for identifying genera within this group. Morphological characters and host specificity can be used to circumscribe genera within the Ustilago-Sporisorium-Macalpinomyces complex.

Item Type:Article
Business groups:Biosecurity Queensland
Keywords:columella maximum likelihood morphology peridium smut fungi spore balls sterile cells systematics Ustilaginales smut fungi molecular phylogeny ribosomal dna mixed models sequences genus taxa lundquistia inference accuracy
Subjects:Science > Botany > Cryptogams
Live Archive:28 Oct 2013 04:21
Last Modified:06 Dec 2024 05:12

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