Abstract:
:Biogeographical studies of lichens used to be complicated because of the large distribution ranges of many species. Molecular systematics has revitalized lichen biogeography by improving species delimitation and providing better information about species range limitations. This study focuses on the major clade of tropical parmelioid lichens, which share a chemical feature, the presence of isolichenan in the cell wall, and a morphological feature, microscopic pores in the uppermost layer. Our previous phylogenetic studies revealed that the largest genus in this clade, Hypotrachyna, is polyphyletic with a clade mainly distributed in South and East Asia clustering distant from the core of the genus. To divide the Hypotrachyna clade into monophyletic groups and to reevaluate morphological and chemical characters in a phylogenetic context, we sampled ITS, nuclear large subunit (nuLSU) and mitochondrial small subunit (mtSSU) rDNA sequences from 77 species. We are erecting the new genus Remototrachyna for a core group of 15 former Hypotrachyna species. The segregation of Remototrachyna from Hypotrachyna receives support from morphological and chemical data, as well from maximum parsimony, maximum likelihood, and Bayesian phylogenetic analyses of the DNA. We used a likelihood approach to study the geographic range evolution of Remototrachyna and Bulbothrix, which are sister groups. This analysis suggests that the ancestral range of Remototrachyna was restricted to India and that subsequent long-distance dispersal is responsible for the pantropical occurrence of two species of Remototrachyna.
journal_name
Am J Botjournal_title
American journal of botanyauthors
Divakar PK,Lumbsch HT,Ferencova Z,Del Prado R,Crespo Adoi
10.3732/ajb.0900140subject
Has Abstractpub_date
2010-04-01 00:00:00pages
579-90issue
4eissn
0002-9122issn
1537-2197pii
ajb.0900140journal_volume
97pub_type
杂志文章abstract:UNLABELLED: PREMISE OF THE STUDY:Corallodiscus is widespread across China and in adjacent countries to the west and south, with C. lanuginosus covering the entire range of the genus. Microsatellite markers will be useful to address within-complex taxonomic and biogeographic structures of this species. • METHODS AND R...
journal_title:American journal of botany
pub_type: 杂志文章
doi:10.3732/ajb.1200178
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pub_type: 杂志文章
doi:10.3732/ajb.93.2.197
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journal_title:American journal of botany
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pub_type: 杂志文章
doi:10.3732/ajb.91.5.760
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journal_title:American journal of botany
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doi:
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pub_type: 杂志文章
doi:10.1002/ajb2.1572
更新日期:2020-12-06 00:00:00
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journal_title:American journal of botany
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更新日期:2000-04-01 00:00:00
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journal_title:American journal of botany
pub_type: 杂志文章
doi:10.3732/ajb.1600030
更新日期:2016-05-01 00:00:00
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pub_type: 杂志文章
doi:10.3732/ajb.90.3.471
更新日期:2003-03-01 00:00:00
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journal_title:American journal of botany
pub_type: 杂志文章
doi:
更新日期:2000-12-01 00:00:00
abstract::Sphenobaiera huangii (Sze) Hsü is typical Early Mesozoic fossil foliage of Ginkgoales in China. It has been recorded from the Upper Triassic to the Lower Jurassic. The cuticular anatomy is investigated based on material from the type locality, Lower Jurassic Hsiangchi Formation, Zigui County, Hubei Province. The speci...
journal_title:American journal of botany
pub_type: 杂志文章
doi:10.3732/ajb.92.4.709
更新日期:2005-04-01 00:00:00
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journal_title:American journal of botany
pub_type: 杂志文章
doi:10.1002/ajb2.1123
更新日期:2018-08-01 00:00:00
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journal_title:American journal of botany
pub_type: 杂志文章
doi:10.3732/ajb.1600177
更新日期:2016-09-01 00:00:00
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journal_title:American journal of botany
pub_type: 杂志文章
doi:
更新日期:1997-12-01 00:00:00
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journal_title:American journal of botany
pub_type: 杂志文章
doi:10.1002/j.1537-2197.1993.tb13838.x
更新日期:1993-05-01 00:00:00
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journal_title:American journal of botany
pub_type: 杂志文章
doi:10.1002/j.1537-2197.1992.tb13715.x
更新日期:1992-10-01 00:00:00
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journal_title:American journal of botany
pub_type: 杂志文章
doi:10.3732/ajb.93.9.1265
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pub_type: 杂志文章
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更新日期:2002-09-01 00:00:00
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journal_title:American journal of botany
pub_type: 杂志文章
doi:
更新日期:1998-06-01 00:00:00
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journal_title:American journal of botany
pub_type: 杂志文章
doi:10.3732/ajb.2007159
更新日期:2008-10-01 00:00:00
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journal_title:American journal of botany
pub_type: 杂志文章
doi:10.3732/ajb.1300027
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journal_title:American journal of botany
pub_type: 杂志文章
doi:10.3732/ajb.1400166
更新日期:2014-05-01 00:00:00
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journal_title:American journal of botany
pub_type: 杂志文章
doi:10.3732/ajb.89.11.1818
更新日期:2002-11-01 00:00:00
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journal_title:American journal of botany
pub_type: 杂志文章
doi:10.3732/ajb.93.12.1852
更新日期:2006-12-01 00:00:00
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journal_title:American journal of botany
pub_type: 杂志文章
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更新日期:2003-11-01 00:00:00
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journal_title:American journal of botany
pub_type: 杂志文章
doi:10.3732/ajb.0800144
更新日期:2009-02-01 00:00:00
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journal_title:American journal of botany
pub_type: 杂志文章
doi:10.3732/ajb.91.6.943
更新日期:2004-06-01 00:00:00