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Section-level relationships of North American Agalinis (Orobanchaceae) based on DNA sequence analysis of three chloroplast gene regions

机译:基于三个叶绿体基因区域的DNA序列分析北美半乳糖科的断面水平关系

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摘要

BackgroundThe North American Agalinis are representatives of a taxonomically difficult group that has been subject to extensive taxonomic revision from species level through higher sub-generic designations (e.g., subsections and sections). Previous presentations of relationships have been ambiguous and have not conformed to modern phylogenetic standards (e.g., were not presented as phylogenetic trees). Agalinis contains a large number of putatively rare taxa that have some degree of taxonomic uncertainty. We used DNA sequence data from three chloroplast genes to examine phylogenetic relationships among sections within the genus Agalinis Raf. (=Gerardia), and between Agalinis and closely related genera within Orobanchaceae.
机译:背景北美Agalinis是一个分类学上困难的群体的代表,该群体经历了从物种级别到更高的子类属名称(例如,小节和小节)的广泛分类学修订。以前的关系表述是模棱两可的,不符合现代的系统发育标准(例如,没有以系统发育树的形式呈现)。 Agalinis包含大量假定的稀有分类单元,这些分类单元在某种程度上存在分类学上的不确定性。我们使用了来自三个叶绿体基因的DNA序列数据来检查Agalinis Raf属各部分之间的系统发生关系。 (= Gerardia),以及在Agalinis和Orobanchaceae内密切相关的属之间。

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