Clitopilus chichawatniensis sp. nov. (Entolomataceae, Agaricales) from Pakistan

NADIA FATIMA; MUHAMMAD USMAN; ABDUL NASIR KHALID

doi:10.11646/phytotaxa.567.3.5

Issue: Vol. 567 No. 3: 7 October 2022

Type: Article

Published: 2022-10-07

DOI: 10.11646/phytotaxa.567.3.5

Page range: 257-268

Abstract views: 62

PDF downloaded: 1

Clitopilus chichawatniensis sp. nov. (Entolomataceae, Agaricales) from Pakistan

NADIA FATIMA⁺⁻
MUHAMMAD USMAN⁺⁻
ABDUL NASIR KHALID⁺⁻

Fungal Biology and Systematics Research Laboratory, Institute of Botany, University of the Punjab, Quaid-e-Azam Campus 54590, Lahore, Pakistan.

Fungal Biology and Systematics Research Laboratory, Institute of Botany, University of the Punjab, Quaid-e-Azam Campus 54590, Lahore, Pakistan

Punjab Sahiwal Sanger sequencing phylogenetics systematics Fungi

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Abstract

A novel mushroom species occurring on loamy soil under Bombax cieba was collected from Chichawatni forest, Punjab, Pakistan. Phylogenetic analyses of the nrDNA ITS and nuLSU regions revealed that it clusters within the genus Clitopilus. Further morpho-anatomical analyses confirmed its uniqueness, which is referred as a new species under the name Clitopilus chichawatniensis. The distinguishing characteristics of this novel taxon are large whitish to light pale, eccentric pleurotoid pileus 50–65 mm wide with lobed and involuted margins, large ovoid to ellipsoid basidiospores 6.2–8.4 × 4.8–6.4 µm with 3–5 longitudinal ridges, absence of cheilocystidia and pleurocystidia. A detailed description of this taxon and a key to all existing species of the genus Clitopilus in Pakistan is provided.

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