Three new species of Cortinarius subgenus Telamonia (Cortinariaceae, Agaricales) from China

Xie, Meng-Le; Wei, Tie­-Zheng; Fu, Yongping; Li, Dan; Liu, Qi; Xing, Peng-Jie; Cheng, Guo-Hui; Ji, Rui-Qing; Liu, Yu

doi:10.3897/mycokeys.69.49437

Cited by 7 publications

(7 citation statements)

References 35 publications

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“…Cortinarius is a relatively large and species rich genus of Agaricales with most of the species described from Europe and North America (Garnica et al 2003;Liimatainen et al 2014). The diversity exploration studies of this genus in Asian region have only recently been initiated, particularly in China, while only few studies have been carried out in Indian sub-continent (Xie et al 2020). The Kashmir Himalayan region has a temperate climate that shares similar a nities with the temperate regions of Europe and N. America, supporting a rich diversity of ora with which diverse fungi form several associations.…”

Section: Discussionmentioning

confidence: 99%

Three New Species of Cortinarius From Kashmir Himalayan Coniferous Forests Based On Morphological And Molecular Evidence

Ahmed

Reshi

Jan

et al. 2021

Preprint

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Cortinarius is the largest genus of mushroom forming fungi with several subgenera having ectomycorrhizal associations with coniferous trees and other plants. In view of limited studies on this speciose genus from the Himalayan region, a morpho-molecular phylogenetic approach was employed to study this taxon. Phylogenetic analysis and Bayesian inference of nuc rDNA internal transcribed spacer region ITS1-5.8S-ITS2 (ITS barcode) separated these sequences along with the identical sequences from Gene bank into three distinct clads with high bootstrap values suggesting the possibility of new taxa. The new species were found to possess some diagnostic features that separated them from other closely related species in each section. Based on our study in the Kashmir Himalayan forests, we report three new species of Cortinarius from the Indian subcontinent. The identified species, C. cibum, C. neocephalixus, and C. nigricans belong to subgenera Myxacium, Phlegmacium and Telamonia. A taxonomic description of morphological characters is also provided for each new taxon. This study marks the beginning in studying the Cortinarius genus in Kashmir Himalaya using a combination of nuc rDNA ITS barcode approach together with morphological characters and microscopic spore analysis. The current study will help in filling the knowledge gaps in the study of Cortinarius and will further enrich the public DNA database for ease of comparative studies throughout the world.

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Section: Discussionmentioning

confidence: 99%

Three New Species of Cortinarius From Kashmir Himalayan Coniferous Forests Based On Morphological And Molecular Evidence

Ahmed

Reshi

Jan

et al. 2021

Preprint

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“…Macroscopic characteristics were based on field notes and photos captured in the field. Micromorphological data were obtained from the dried specimens, which were observed in 5% potassium hydroxide water solution and/or Melzer’s reagent under a light microscope, following Xie et al [ 15 ]. The ornamentation of basidiospores was studied using a Hitachi, model SU8010, field emission scanning electron microscope (FESEM) in Jilin Agricultural University.…”

Section: Methodsmentioning

confidence: 99%

Morphological and Phylogenetic Evidence Reveal Five New Telamonioid Species of Cortinarius (Agaricales) from East Asia

Xie

Phukhamsakda

Wei

et al. 2022

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Five new Cortinarius species, C. neobalaustinus, C. pseudocamphoratus, C. subnymphatus, C. wuliangshanensis and C. yanjiensis spp. nov., are proposed based on a combination of morphological and molecular evidence. Cortinarius neobalaustinus is characterized by a very weakly hygrophanous and yellowish-brown to brown pileus and small and weakly verrucose basidiospores. Cortinarius pseudocamphoratus can be characterized by a viscid pileus, a strongly unpleasant smell, amygdaloid to somewhat ellipsoid basidiospores and lageniform to subfusiform cheilocystidia. Cortinarius subnymphatus is identified by a strongly hygrophanous pileus that is reddish-brown with a black-brown umbo, a yellowish universal veil and ellipsoid to subamygdaloid basidiospores. Cortinarius wuliangshanensis is characterized by a moderately to strongly hygrophanous, translucently striated and yellowish to reddish-brown pileus and rather weakly and moderately verrucose basidiospores. Cortinarius yanjiensis is distinguished by a weakly to moderately hygrophanous and yellowish to brown pileus and moderately to rather strongly verrucose basidiospores. The phylogenetic analyses were performed with maximum likelihood and Bayesian inference methods based on the data set of nuc rDNA ITS1-5.8S-ITS2 (ITS), D1–D2 domains of nuc 28S rDNA (28S) and RNA polymerase II second largest subunit (rpb2), and the results show that C. neobalaustinus, C. wulianghsanensis and C. yanjiensis cluster in sect. Illumini, C. pseudocamporatus belongs to sect. Camphorati and C. subnymphatus belongs to sect. Laeti. In addition, a study of basidiospores under field emission scanning electron microscopy (FESEM) was conducted. An identification key for the five new species and related species from China is also provided.

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“…The actual number of species belonging to this genus across continents, however, is still unclear (Garnica et al 2016, Liimatainen et al 2022). In particular, the diversity of this genus in the south Asian region, particularly the Indian subcontinent, remains poorly understood (Xie et al 2020).…”

Section: Introductionmentioning

confidence: 99%

Thaxterogaster carneus (Cortinariaceae), a new species of Thaxterogaster sect. Vibratiles, from coniferous forests of Kashmir Himalaya, India

Ahmed

Reshi

Andrabi

2023

Nordic Journal of Botany

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A new myxacoid species of Thaxterogaster sect. Vibratiles, Thaxterogaster carneus is described from the coniferous forests of Hirpora Wildlife Sanctuary in Kashmir Himalaya, India, based on morphological observations and molecular data of the nrDNA ITS and LSU regions. This species is morphologically distinguished from other species in section Vibratiles by the orange-brown color of the pileus, the small spore size (X′ = 6.5 × 4 µm) with amygdaloid shape and verrucose ornamentation. The ITS sequence differed from other species by at least 13 substitutions and 10 indel positions, while the LSU sequence differed from other sequences at 12 positions by substitutions and indels. This is the first report of a species of Thaxterogaster sect. Vibratiles from the Indian subcontinent.

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Three new species of Cortinarius subgenus Telamonia (Cortinariaceae, Agaricales) from China

Cited by 7 publications

References 35 publications

Three New Species of Cortinarius From Kashmir Himalayan Coniferous Forests Based On Morphological And Molecular Evidence

Three New Species of Cortinarius From Kashmir Himalayan Coniferous Forests Based On Morphological And Molecular Evidence

Morphological and Phylogenetic Evidence Reveal Five New Telamonioid Species of Cortinarius (Agaricales) from East Asia

Thaxterogaster carneus (Cortinariaceae), a new species of Thaxterogaster sect. Vibratiles, from coniferous forests of Kashmir Himalaya, India

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