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题名: DNA based revised geographic circumscription of species of Physcomitrella s.l. (Funariaceae): P. patens new to East Asia and P. magdalenae new to East Africa
作者: Medina, Rafael1; Yang Liu1; Wang Li-Song2; Guo Shuiliang3; Hylander, Kristoffer4; Goffinet, Bernard1
刊名: BRYOLOGIST
出版日期: 2015-03-01
卷号: 118, 期号:1, 页码:22-31
关键词: China ; Ethiopia ; Physcomitridium ; Yunnan
学科分类: Plant Sciences
DOI: 10.1639/0007-2745-118.1.022
通讯作者: Goffinet,B (reprint author),Univ Connecticut,Ecol & Evolutionary Biol,75 N Eagleville Rd,Storrs,CT 06269 USA. ; bernard.goffinet@uconn.edu
文章类型: Article
英文摘要: Physcomitrella, as traditionally defined, accommodates certain Funariaceae with immersed and cleistocarpous capsules. Recent molecular inferences revealed that the three or four taxa typically recognized within Physcomitrella did not arise from a unique common ancestor, and hence that their morphological similarities likely resulted from convergence, while one potential taxon, P. patens subsp. californica (=Physcomitridium readeri s.l.), is currently regarded as a polyphyletic entity, making Physcomitridium polyphyletic. Following recent discoveries that would greatly expand the known range of two taxa, we sampled populations of Physcomitrella s.l. from all main geographic regions, and sequenced the nuclear ITS regions and four plastid loci to assess the geographic circumscription of each clade. We recovered three unambiguous monophyletic entities matching the three morphotypes recognized by Fife, each with a distinct geographic range: Physcomitrella patens s.str. with a range in Europe and North America extended to East Asia (China); P. magdalenae with a range from West and Central Africa extended eastwards to Ethiopia; and Physcomitridium (Physcomitrella) readeri from western Europe and western North America to Japan and Australia, plus a doubtful occurrence in China. Although the distinction of P. californica from P. readeri remains doubtful, we reject the hypothesis that Physcomitridium is polyphyletic, arguing that this resulted from a misidentification of the sequenced voucher.
类目[WOS]: Plant Sciences
研究领域[WOS]: Plant Sciences
关键词[WOS]: PHYLOGENETIC ANALYSES ; EPHEMERELLA-READERI ; SPECIATION ; BRYOPHYTA ; CHARACTERS ; EVOLUTION ; COMPLEX
收录类别: SCI
项目资助者: US National Science Foundation [DEB-0919284, DEB-1146295] ; Swedish International Development Cooperation Agency (SIDA) [SWE-2005-293] ; National Nature Science Foundation of China [31370233] ; Science and Technology Commission of Shanghai Municipality [12490502700]
语种: 英语
WOS记录号: WOS:000354224700003
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/21157
Appears in Collections:中国科学院东亚植物多样性与生物地理学重点实验室_期刊论文

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作者单位: 1.Univ Connecticut, Ecol & Evolutionary Biol, Storrs, CT 06269 USA
2.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650204, Yunnan, Peoples R China
3.Shanghai Normal Univ, Coll Life & Environm Sci, Shanghai 200234, Peoples R China
4.Stockholm Univ, Dept Bot, SE-10691 Stockholm, Sweden
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