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

摘要

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 albidqflava 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.