Amanita pseudorufobrunnescens, a new species of Amanita section Amidella from Indian Himalaya

Summary

Amanita pseudorufobrunnescens is described as a new species in the subgenus Amanitina section Amidella of family Amanitaceae from north-western Himalaya, India. Distinct morphological characters, odour and molecular phylogenetic analysis based on the large subunit of nuclear ribosomal DNA (nrLSU) data revealed that the present species differs from other members of sect. Amidella. This species is characterised by its whitish basidiomata that turn brownish orange with age, its whitish to cinnamon brown, floccose to radially fibrillose universal veil remnants on the pileus, its close lamellae becoming brownish orange on exposure, its elongate basidiospores and its association with Quercus oblongata (syn. Q. leucotrichophora). A detailed morphological description, line drawings, colour photographs and Maximum Likelihood (ML) phylogenetic placement of the new species are provided.

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Acknowledgements

The authors are grateful to the Head of the Department of Botany & Microbiology, HNB Garhwal University, Srinagar Garhwal for providing laboratory facilities during the present study. KCS and VKB express their appreciation to the Uttarakhand State Council for Science and Technology (UCOST) for financial assistance provided under Project No. UCSandT/RandD/LS-1/12-13/4912.

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Semwal, K.C., Das, K., Bhatt, R.P. et al. Amanita pseudorufobrunnescens, a new species of Amanita section Amidella from Indian Himalaya. Kew Bull 75, 22 (2020). https://doi.org/10.1007/s12225-020-9874-6

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Key Words

  • Amanitaceae
  • Amanitina
  • macrofungi
  • new taxon
  • nrLSU
  • taxonomy