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题名: Agaricus section Brunneopicti: a phylogenetic reconstruction with descriptions of four new taxa
作者: Chen, Jie1, 2, 3; Zhao, Rui-Lin1; Parra, Luis A.; Guelly, Atsu K.4; De Kesel, Andre5; Rapior, Sylvie6; Hyde, Kevin D.2, 3, 7; Chukeatirote, Ekachai3; Callac, Philippe8
刊名: PHYTOTAXA
出版日期: 2015-01-14
卷号: 192, 期号:3, 页码:145-168
关键词: Basidiomycota ; phylogeny ; systematics ; tropical biodiversity
学科分类: Plant Sciences
DOI: 10.11646/phytotaxa.192.3.2
通讯作者: Zhao,RL (reprint author),Chinese Acad Sci,Inst Microbiol,State Key Lab Mycol,Beijing 100101,Peoples R China. ; zhaoruilin@gmail.com
文章类型: Article
英文摘要: Agaricus is a genus of saprobic basidiomycetes including species of nutritional and medicinal interest. Historically the temperate species have been grouped into eight classical sections. Recent phylogenetic analyses however, revealed that two-thirds of the tropical taxa do not cluster in these sections, but form exclusively tropical clades. Seven (TR I to TR VII) strongly supported tropical clades have been revealed and it was hypothesized that clade TR I might represent Agaricus section Brunneopicti. This section was initially characterized by the presence of punctiform squamules, the remains of the veil, on the pileus and stipe. The present morphological study and phylogenetic ML, MP and Bayesian analyses based on ITS1+2 sequences show that clade TR I corresponds to Agaricus section Brunneopicti and includes 16 taxa grouped in four strongly supported subclades and two isolated branches. The six species with punctiform squamules which initially characterized the section constitute one of these subclades. We propose the new replacement name Agaricus brunneopunctatus for the illegitimate name Agaricus brunneopictus. All 16 species are discussed, full descriptions are provided for five, among them, A. brunneosquamulosus, A. niveogranulatus, A. sordidocarpus and A. toluenolens are described as new species. We also report on certain members of section Brunneopicti traits which generally characterize species belonging to other sections. These shared characters raise the issue of their origin and complicate the systematics and the identification of the tropical Agaricus species. An artificial dichotomous key is presented for species identification. Section Brunneopicti is the first reconstructed section of tropical Agaricus. Its known geographical distribution range is strictly palaeotropical. We predict that the species richness of other somewhat forgotten or new tropical sections will also increase in coming years.
类目[WOS]: Plant Sciences
研究领域[WOS]: Plant Sciences
关键词[WOS]: BISPORUS ; ODOR
收录类别: SCI
项目资助者: French Ministry of Foreign and European Affairs ; National Natural Science Foundation of China [31000013, 31360014, 31470152] ; National Research Council of Thailand (NRCT), projects - Taxonomy, Phylogeny and cultivation of Lentinus species in northern Thailand [NRCT/55201020007] ; Thailand Research Fund grant [BRG 5580009]
语种: 英语
WOS记录号: WOS:000348637200002
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/19385
Appears in Collections:资源植物与生物技术所级重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Microbiol, State Key Lab Mycol, Beijing 100101, Peoples R China
2.Mae Fah Luang Univ, Inst Excellence Fungal Res, Chiang Rai 57100, Thailand
3.Mae Fah Luang Univ, Sch Sci, Chiang Rai 57100, Thailand
4.Univ Lome, Fac Sci, Dept Bot, Lome, Togo
5.Bot Garden Meise, B-1860 Meise, Belgium
6.Univ Montpellier, Univ Paul Valery Montpellier, EPHE,CEFE UMR 5175,CNRS, Lab Bot Phytochim & Mycol,Fac Pharm, F-34093 Montpellier 5, France
7.Chinese Acad Sci, Kunming Inst Bot, Key Lab Econ Plants & Biotechnol, Kunming 650201, Peoples R China
8.INRA UR1264, F-33882 Villenave Dornon, France
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