A revised subfamilial classification of Polypodiaceae based on plastome, nuclear ribosomal, and morphological evidence

doi:10.1002/tax.12658

	A revised subfamilial classification of Polypodiaceae based on plastome, nuclear ribosomal, and morphological evidence
	Wei, Ran ; Zhang, Xian-Chun
	2022
发表期刊	TAXON
ISSN	0040-0262
卷号	71 期号:2 页码:288-306
摘要	The polygrammoid fern family Polypodiaceae represents one of the most diversified epiphytic fern groups, with more than 1600 species distributed on all continents except Antarctica, with the highest species diversity in tropical and subtropical regions. Despite progress in recent phylogenetic studies of Polypodiaceae, the infrafamilial classification of this group of ferns is still problematic. Here, we explore the phylogenetic relationship within Polypodiaceae using plastid genome (plastome) and nuclear ribosomal cistron genome data obtained from high-throughput sequencing. Although genome skimming data strongly support the monophyly of many genera and clades of Polypodiaceae, relationships within some clades and along the backbone of the phylogeny remain incongruent between plastome and nuclear data. The explanation is possibly a factor of complex evolutionary history found in these clades, such as rapid radiation, incomplete lineage sorting, ancient hybridization, and recent introgression. Based on the concatenated dataset, our phylogenetic analyses support nine major clades in Polypodiaceae, which merit the recognition as subfamilies, Crypsinoideae, Grammitidoideae, Loxogrammoideae, Microsoroideae, Platycerioideae, Polypodioideae, Adetogrammoideae, Campyloneuroideae, and Serpocauloideae, while the latter three are separated from Polypodioideae as new subfamilies. All of these infrafamilial divisions, identified with molecular data, are further supported by non-molecular features including leaf dissection, venation, scales and paraphyses, soral features, and geographical distributions. Systematic and taxonomic discussions on the subfamilial treatment are also provided.
关键词	genome skimming nuclear ribosomal cistron plastid genome phylogenetic classification polygrammoids subfamily
学科领域	Plant Sciences ; Evolutionary Biology
DOI	10.1002/tax.12658
收录类别	SCI
语种	英语
WOS关键词	POLYGRAMMOID FERNS POLYPODIACEAE ; GRAMMITID FERNS ; SERPOCAULON POLYPODIACEAE ; MOLECULAR PHYLOGENY ; GENUS ; GENERA ; SEQUENCE ; RADIATION ; RECIRCUMSCRIPTION ; DIVERSIFICATION
WOS研究方向	Science Citation Index Expanded (SCI-EXPANDED)
WOS记录号	WOS:000744009200001
出版者	WILEY
文献子类	Article
出版地	HOBOKEN
EISSN	1996-8175
资助机构	National Science Foundation of China (NSFC) [31872651, 31670205, 31470317] ; Youth Innovation Promotion Association CAS [2021075]
作者邮箱	zhangxc@ibcas.ac.cn
引用统计	被引频次：19[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ibcas.ac.cn/handle/2S10CLM1/28578
专题	系统与进化植物学国家重点实验室
作者单位	1.[Wei, Ran 2.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing 100093, Peoples R China
推荐引用方式 GB/T 7714	Wei, Ran,Zhang, Xian-Chun. A revised subfamilial classification of Polypodiaceae based on plastome, nuclear ribosomal, and morphological evidence[J]. TAXON,2022,71(2):288-306.
APA	Wei, Ran,&Zhang, Xian-Chun.(2022).A revised subfamilial classification of Polypodiaceae based on plastome, nuclear ribosomal, and morphological evidence.TAXON,71(2),288-306.
MLA	Wei, Ran,et al."A revised subfamilial classification of Polypodiaceae based on plastome, nuclear ribosomal, and morphological evidence".TAXON 71.2(2022):288-306.

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