Australasian species of Macowanites are sequestrate species of Russula (Russulaceae, Basidiomycota)

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doi:10.1071/SB07007

Australasian species of Macowanites are sequestrate species of Russula (Russulaceae, Basidiomycota)

Teresa Lebel ^A ^C, Jennifer E. Tonkin ^B

^A National Herbarium of Victoria, Royal Botanic Gardens Melbourne, Birdwood Ave, South Yarra, Vic. 3141, Australia.
^B Faculty of Land and Food Resources, The University of Melbourne, Vic. 3010, Australia.
^C Corresponding author. Email: teresa.lebel@rbg.vic.gov.au





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Australian Systematic Botany 20(4) 355–381 http://dx.doi.org/10.1071/SB07007
Submitted: 28 February 2007 Accepted: 16 July 2007 Published online: 5 September 2007

Abstract

Australian taxa of the sequestrate genus Macowanites were examined by using LSU and ITS regions of nuclear ribosomal DNA and found to be paraphyletic within the agaricoid genus Russula. The type of the genus Macowanites, M. agaricinus, is described here as a generic synonym of Russula and an emended description of the genus Russula is provided. Descriptions and illustrations of nine new species, Russula albidoflava T.Lebel, R. albobrunnea T.Lebel, R. brunneonigra T.Lebel, R. galbana T.Lebel, R. pumicoidea T.Lebel, R. reddellii T.Lebel, R. rostraticystidia T.Lebel, R. sinuata T.Lebel and R. variispora T.Lebel, from Australia, are presented. Nomenclatural changes for five previously published Australasian species are also proposed.