Xanthagaricus siamensis sp. Nov. (Agaricaceae), a new species with dull green lamellae from northern Thailand

Copyright © 2020 Magnolia Press Xanthagaricus siamensis, a new species in the family Agaricaceae, was discovered in northern Thailand and is here introduced based on its morphological features and molecular data. It is characterized by small to medium-sized basidiomata, a convex to plano-convex with...

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Main Authors: Yuan S. Liu, Jian Kui Liu, Phongeun Sysouphanthong, Kevin D. Hyde, Saisamorn Lumyong
Format: Journal
Published: 2020
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http://cmuir.cmu.ac.th/jspui/handle/6653943832/70067
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Institution: Chiang Mai University
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spelling th-cmuir.6653943832-700672020-10-14T08:23:43Z Xanthagaricus siamensis sp. Nov. (Agaricaceae), a new species with dull green lamellae from northern Thailand Yuan S. Liu Jian Kui Liu Phongeun Sysouphanthong Kevin D. Hyde Saisamorn Lumyong Agricultural and Biological Sciences Copyright © 2020 Magnolia Press Xanthagaricus siamensis, a new species in the family Agaricaceae, was discovered in northern Thailand and is here introduced based on its morphological features and molecular data. It is characterized by small to medium-sized basidiomata, a convex to plano-convex with depressed center pileus when mature, the presence of greyish orange to violet-brown fibrillose squamules on the pileus, lamellae that start out white, change to pinkish white when damaged, then change to dull green with age. Additionally, the annulus is fugacious, and the pileipellis is recognized as a cutis which morphologically distinguishes it from all other known Xanthagaricus. Phylogenetic analysis of the internal transcribed spacer region (ITS) and the large subunit of the nuclear ribosomal DNA (nrLSU) sequence data indicated that the three specimens of X. siamensis form a distinct lineage within Xanthagaricus, and they formed a well-supported clade representing the genus Xanthagaricus. Detailed illustrations of macro- and micro-morphological characteristics and descriptions are provided, as well as other relevant molecular evidence. 2020-10-14T08:23:43Z 2020-10-14T08:23:43Z 2020-03-23 Journal 11793163 11793155 2-s2.0-85085358789 10.11646/PHYTOTAXA.437.1.2 https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85085358789&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/70067
institution Chiang Mai University
building Chiang Mai University Library
continent Asia
country Thailand
Thailand
content_provider Chiang Mai University Library
collection CMU Intellectual Repository
topic Agricultural and Biological Sciences
spellingShingle Agricultural and Biological Sciences
Yuan S. Liu
Jian Kui Liu
Phongeun Sysouphanthong
Kevin D. Hyde
Saisamorn Lumyong
Xanthagaricus siamensis sp. Nov. (Agaricaceae), a new species with dull green lamellae from northern Thailand
description Copyright © 2020 Magnolia Press Xanthagaricus siamensis, a new species in the family Agaricaceae, was discovered in northern Thailand and is here introduced based on its morphological features and molecular data. It is characterized by small to medium-sized basidiomata, a convex to plano-convex with depressed center pileus when mature, the presence of greyish orange to violet-brown fibrillose squamules on the pileus, lamellae that start out white, change to pinkish white when damaged, then change to dull green with age. Additionally, the annulus is fugacious, and the pileipellis is recognized as a cutis which morphologically distinguishes it from all other known Xanthagaricus. Phylogenetic analysis of the internal transcribed spacer region (ITS) and the large subunit of the nuclear ribosomal DNA (nrLSU) sequence data indicated that the three specimens of X. siamensis form a distinct lineage within Xanthagaricus, and they formed a well-supported clade representing the genus Xanthagaricus. Detailed illustrations of macro- and micro-morphological characteristics and descriptions are provided, as well as other relevant molecular evidence.
format Journal
author Yuan S. Liu
Jian Kui Liu
Phongeun Sysouphanthong
Kevin D. Hyde
Saisamorn Lumyong
author_facet Yuan S. Liu
Jian Kui Liu
Phongeun Sysouphanthong
Kevin D. Hyde
Saisamorn Lumyong
author_sort Yuan S. Liu
title Xanthagaricus siamensis sp. Nov. (Agaricaceae), a new species with dull green lamellae from northern Thailand
title_short Xanthagaricus siamensis sp. Nov. (Agaricaceae), a new species with dull green lamellae from northern Thailand
title_full Xanthagaricus siamensis sp. Nov. (Agaricaceae), a new species with dull green lamellae from northern Thailand
title_fullStr Xanthagaricus siamensis sp. Nov. (Agaricaceae), a new species with dull green lamellae from northern Thailand
title_full_unstemmed Xanthagaricus siamensis sp. Nov. (Agaricaceae), a new species with dull green lamellae from northern Thailand
title_sort xanthagaricus siamensis sp. nov. (agaricaceae), a new species with dull green lamellae from northern thailand
publishDate 2020
url https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85085358789&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/70067
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