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A global phylogeny of Lycopodiaceae (Lycopodiales; lycophytes) with the description of a new genus, Brownseya, from Oceania
Chen,De-Kui; Zhou,Xin-Mao; Rothfels,Carl J.; Shepherd,Lara D.; Knapp,Ralf; Zhang,Liang; Lu,Ngan Thi; Fan,Xue-Ping; Wan,Xia; Gao,Xin-Fen; He,Hai; Zhang,Li-Bing
2022
Source PublicationTAXON
ISSN0040-0262
Volume71Issue:1Pages:25-51
Abstract

Lycopodiaceae are one of the oldest lineages of any living vascular plants and contain about 400 species distributed on all continents except Antarctica, with its highest diversity in tropical regions. Previous studies on the morphology, anatomy, and molecular systematics of Lycopodiaceae have made substantial progress in understanding the diversity and evolution of the family, but major issues remain. In particular, earlier studies had relatively sparse taxon sampling, some critical relationships among the genera have not been well resolved, and the monophyly of some genera (e.g., Huperzia, Lycopodiella, Pseudolycopodiella, Spinulum) has not been robustly tested with large sampling. In this study, we apply maximum likelihood, maximum parsimony, and Bayesian inference to a dataset of 1150 (918 newly generated) DNA sequences of seven plastid markers (atpA, psbA-trnH, rbcL, rps4, rps4-trnS, trnL, trnL-F) of 334 accessions representing ca. 155 (ca. 39% of all) species in the family to infer a global phylogeny. Our major results include: (1) the tree is resolved into three primary clades corresponding to the three subfamilies, Huperzioideae, Lycopodioideae, and Lycopodielloideae; (2) these three primary clades are resolved into 17 major clades, of which 16 represent genera recognized in the PPG I classification, while Lycopodiella serpentina is resolved as sister to Palhinhaea, and thus a new genus, Brownseya, is described, and a key to genera of Lycopodielloideae is given; (3) Phylloglossum is strongly or moderately supported as sister to Phlegmariurus in ML and MP analyses (but not in BI analysis), and thus our evidence supports the recognition of Phlegmariurus in order to maintain a monophyletic Huperzia; (4) Lycopodiella is sister to Pseudolycopodiella and they together are sister to Lateristachys + (Brownseya + Palhinhaea); (5) Huperzia, Lycopodiella, Pseudolycopodiella, and Spinulum are each strongly supported as monophyletic; (6) spore morphology is well consistent with the phylogenetic relationships in the family; and (7) based on these results we recognize 17 genera in three subfamilies in the family.

KeywordHuperzia Lycophyte Phylogeny Lycopodiella Serpentina Phlegmariurus Phylloglossum Vascular Plant Evolution Complete Chloroplast Genome Lycopodiopsida Lycopodiaceae Generic Classification Spore Morphology Early Evolution Land Plants Rbcl Gene Huperzia Sequence Likelihood
DOI10.1002/tax.12597
WOS IDWOS:000714977200001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/73651
Collection中国科学院昆明植物研究所
Affiliation1.Chongqing Normal Univ, Coll Life Sci, Chongqing 400047, Peoples R China
2.Chinese Acad Sci, Chengdu Inst Biol, CAS Key Lab Mt Ecol Restorat & Bioresource Utiliz, POB 416, Chengdu 610041, Sichuan, Peoples R China
3.1 Middle Sch Tongren, Tong Ren 554300, Guizhou, Peoples R China
4.Yunnan Univ, Sch Ecol & Environm Sci, Kunming 650091, Yunnan, Peoples R China
5.Rothfels, Carl J.] Univ Calif Berkeley, Univ Herbarium, 1001 Valley Life Sci Bldg, Berkeley, CA 94720 USA
6.Rothfels, Carl J.] Univ Calif Berkeley, Dept Integrat Biolofty, 1001 Valley Life Sci Bldg, Berkeley, CA 94720 USA
7.Shepherd, Lara D.] Museum New Zealand Papa Tongarewa, Wellington, New Zealand
8.Museum Natl Hist Nat MNHN, Paris, France
9.Steigestr 78, D-69412 Eberbach, Germany
10.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia Kunming, Kunming 650201, Yunnan, Peoples R China
11.Vietnam Acad Sci & Technol, Dept Biol, Vietnam Natl Museum Nat, 18 Hoang Quoc Viet, Hanoi, Vietnam
12.Missouri Bot Garden, 4344 Shaw Blvd, St Louis, MO 63110 USA
Recommended Citation
GB/T 7714
Chen,De-Kui,Zhou,Xin-Mao,Rothfels,Carl J.,et al. A global phylogeny of Lycopodiaceae (Lycopodiales; lycophytes) with the description of a new genus, Brownseya, from Oceania[J]. TAXON,2022,71(1):25-51.
APA Chen,De-Kui.,Zhou,Xin-Mao.,Rothfels,Carl J..,Shepherd,Lara D..,Knapp,Ralf.,...&Zhang,Li-Bing.(2022).A global phylogeny of Lycopodiaceae (Lycopodiales; lycophytes) with the description of a new genus, Brownseya, from Oceania.TAXON,71(1),25-51.
MLA Chen,De-Kui,et al."A global phylogeny of Lycopodiaceae (Lycopodiales; lycophytes) with the description of a new genus, Brownseya, from Oceania".TAXON 71.1(2022):25-51.
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