Australasian species of Macowanites are sequestrate species of Russula (Russulaceae, Basidiomycota)
Teresa Lebel A C and Jennifer E. Tonkin BA 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
Australian Systematic Botany 20(4) 355-381 https://doi.org/10.1071/SB07007
Submitted: 28 February 2007 Accepted: 16 July 2007 Published: 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.
Acknowledgements
The extensive collecting, taxonomic and molecular research on Australian and New Zealand sequestrate fungi was funded by Australian Biological Resources Study grants and National Science Foundation grant BSR #9201421. Special thanks are due to J. M. Trappe and M. A. Castellano for their support and aid during the course of this project, in particular use of SEM photos, and to T. W. May and J. M. Trappe for editorial comments.
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