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A re-appraisal of Harknessia (Diaporthales), and the introduction of Harknessiaceae fam. nov

Crous, P. W. and Summerell, B. A. and Shivas, R. G. and Carnegie, A. J. and Groenewald, J. Z. (2012) A re-appraisal of Harknessia (Diaporthales), and the introduction of Harknessiaceae fam. nov. Persoonia, 28 . pp. 49-65. ISSN 0031-5850

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Article Link(s): http://dx.doi.org/10.3767/003158512x639791

Abstract

Harknessiaceae is introduced as a new family in the ascomycete order Diaporthales to accommodate species of Harknessia with their Wuestneia-like teleomorphs. The family is distinguished by having pycnidial conidiomata with brown, furfuraceous margins, brown conidia with hyaline, tube-like basal appendages, longitudinal striations, and rhexolytic secession. Six species occurring on Eucalyptus are newly introduced, namely H. australiensis, H. ellipsoidea, H. pseudohawaiiensis, and H. ravenstreetina from Australia, H. kleinzeeina from South Africa, and H. viterboensis from Italy. Epitypes are designated for H. spermatoidea and H. weresubiae, both also occurring on Eucalyptus. Members of Harknessia are commonly associated with leaf spots, but also occur as saprobes and endophytes in leaves and twigs of various angiosperm hosts.

Item Type:Article
Business groups:Biosecurity Queensland
Additional Information:Crous, P. W. Summerell, B. A. Shivas, R. G. Carnegie, A. J. Groenewald, J. Z.
Subjects:Plant pests and diseases > Plant pathology
Deposited On:10 Apr 2014 01:27
Last Modified:10 Apr 2014 01:27

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