4.2 Article

Two new unusual Leucoagaricus species (Agaricaceae) from tropical China with blue-green staining reactions

Journal

MYCOLOGIA
Volume 102, Issue 5, Pages 1141-1152

Publisher

TAYLOR & FRANCIS INC
DOI: 10.3852/09-021

Keywords

Agaricales; lepiotaceous fungi; taxonomy; tropics

Categories

Funding

  1. National Natural Science Foundation of China
  2. Yunnan Provincial Government [U0836604]
  3. National Basic Research Program of China [2009CB522300]
  4. National Commonweal Foundation of the Research Institute of Tropical Forestry, CAF [RITF2007-12]
  5. National Science and Technology Support Project [2006BAD03A0405]
  6. National Natural Science Foundation of China [30800004]
  7. Ministry of Science and Technology of China [2008FY110300]

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Most species of the genus Leucoagaricus have been described from temperate regions in North America and Europe, but little is known about the genus from tropical areas. In this report we describe two new species of Leucoagaricus, namely La. flavovirens and La. atroazureus, from tropical China. The two species are characterized by turning blue-green or dark blue where bruised and by unique phylogenetic placement. Two new combinations, namely La. viriditinctus and La. caerulescens, are proposed. The neotype of La. viridiflavus from India was found to differ from La. flavovirens based on morphology and ITS sequence comparison. A monophyletic group of four bluing species from Old World tropics is recovered but with poor measures of branch support.

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