Food Science and Technology Department

 

Department of Food Science and Technology: Faculty Publications

Document Type

Article

Date of this Version

2010

Comments

Published in Mycologia, 102(3), 2010, pp. 675–688. DOI: 10.3852/09-191 Copyright 2010 by The Mycological Society of America, Lawrence, KS 66044-8897. Used by permission.

Abstract

The systematic position of secotioid (Torrendia) and gasteroid (Amarrendia) forms within the agaricoid Amanita lineage (Agaricales, Basidiomycota) was studied with molecular (nLSU, ITS) data. Secotioid and gasteroid forms occur in four independent clades nested within agaricoid forms. One clade corresponds to the secotioid T. pulchella from southern Europe and northern Africa. The others correspond to Torrendia and Amarrendia species from Australia. Mediterranean climatic conditions are postulated as a force driving the convergent evolution of these secotioid and at least one of the gasteroid forms in geographically distant areas. Species formerly placed in Torrendia and Amarrendia are transferred to Amanita. A new species of Torrendia from Australia was discovered during the revision of the collections originally identified as T. arenaria and is described here as Amanita pseudoinculta.

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