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<p>Three novel species of <i>Inocybe</i> collected from Himalayan moist temperate forests of Khyber Pakhtunkhwa, Pakistan, are proposed here, based on both molecular and morphological evidence. <i>Inocybe khanspurensis</i> is characterized by a brown, fibrillose to rugulose pileus, bright yellow umbo and small basidiospores. <i>Inocybe nigrosquamulosa</i> characteristic features include a large, dull yellow orange to brown pileus with black squamulose, fibrillose stipe with pruinose apex and small basidiospores. <i>Inocybe parva</i> is characterized by a small, reddish brown to orange pileus with light orange umbo having pointed, isolated warts to squamulose scales on the pileus, and large basidiospores. Phylogenetic studies based nuc rDNA internal transcribed spacer ITS1-5.8S-ITS2 (ITS) and partial 28S rRNA regions indicated that <i>I. khanspurensis</i>, <i>I. nigrosquamulosa</i>, and <i>I. parva</i> are closely related to <i>I. hirtella</i>, <i>I. minutissima</i>, and <i>I. furfurea</i> respectively. These three new species are described, illustrated, and compared with closely related and morphologically similar species.</p>

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Three new smooth-spored species of Inocybe from Himalayan Moist temperate forests of Pakistan

  • 期刊论文

  • 发表日期：

    2026年2月20日

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  • Arooj Naseer,
  • Sana Jabeen,
  • Francis Q. Brearley,
  • Ayesha Faryad,
  • Samrah Asghar,
  • Abdul Nasir Khalid

摘要

Three novel species of Inocybe collected from Himalayan moist temperate forests of Khyber Pakhtunkhwa, Pakistan, are proposed here, based on both molecular and morphological evidence. Inocybe khanspurensis is characterized by a brown, fibrillose to rugulose pileus, bright yellow umbo and small basidiospores. Inocybe nigrosquamulosa characteristic features include a large, dull yellow orange to brown pileus with black squamulose, fibrillose stipe with pruinose apex and small basidiospores. Inocybe parva is characterized by a small, reddish brown to orange pileus with light orange umbo having pointed, isolated warts to squamulose scales on the pileus, and large basidiospores. Phylogenetic studies based nuc rDNA internal transcribed spacer ITS1-5.8S-ITS2 (ITS) and partial 28S rRNA regions indicated that I. khanspurensis, I. nigrosquamulosa, and I. parva are closely related to I. hirtella, I. minutissima, and I. furfurea respectively. These three new species are described, illustrated, and compared with closely related and morphologically similar species.