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Issue: Vol. 655 No. 3: 26 Jun. 2024
Type: Article
Published: 2024-06-26
DOI: 10.11646/phytotaxa.655.3.6
Page range: 283-292
Abstract views: 129
PDF downloaded: 1

A new species of Xanthagaricus (Agaricaceae, Agaricales) from Lahore, Punjab, Pakistan

Department of Botany, Division of Science & Technology, University of Education, 54500, Lahore, Pakistan.
Department of Botany, Division of Science & Technology, University of Education, 54500, Lahore, Pakistan.
Fungal Biology and Systematics Research Laboratory, Institute of Botany, University of the Punjab, Quaid-e-Azam Campus, Lahore 54590, Pakistan.
lacrymoid appendiculate caulocystidia phylogenetic analysis Fungi

Abstract

A new species, Xanthagaricus lahorensis, is described based on collections from the Lahore District, Pakistan. Morphological data and phylogenetic analyses based on nrITS & LSU supported that the species is undescribed earlier. Xanthagaricus lahorensis is characterized by olive–yellow pileus with olive squamules at center going outward, dull yellowish-brown stipe, rough surface without rhizomorphic mycelial mat, absence of annulus, small, lacrymoid, brown walled with olivaceous guttule basidiospores (on average 4.2 × 3.2 µm), clavate, obovoid basidia, obovoid, clavate to broadly clavate cheilocystidia, and presence of clusters of cylindrical caulocystidia. With this new species, seven Xanthagaricus species have been reported from Pakistan. A key to the Pakistani Xanthagaricus species is provided in addition to the new species’ full description, illustrations, and phylogenetic analysis results.

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