2022
DOI: 10.1002/ajb2.1847
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Coalescent‐based species delimitation in North American pinyon pines using low‐copy nuclear genes and plastomes

Abstract: Premise: Accurate species delimitation is essential for evolutionary biology, conservation, and biodiversity management. We studied species delimitation in North American pinyon pines, Pinus subsection Cembroides, a natural group with high levels of incomplete lineage sorting. Methods: We used coalescent-based methods and multivariate analyses of low-copy number nuclear genes and nearly complete high-copy number plastomes generated with the Hyb-Seq method. The three coalescent-based species delimitation method… Show more

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Cited by 9 publications
(10 citation statements)
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References 113 publications
(214 reference statements)
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“…As P. 9fallax is of hybrid origin, we expect to see its chlorotype grouping with either P. edulis or P. californiarum depending on the pollen donor; however, as P. californiarum likely inherited its chloroplast from P. edulis, the three taxa shared similar chlorotypes, while P. quadrifolia and P. monophylla remained distinct. A similar pattern using plastid data was found by Montes et al (2022) in which P. edulis, P. 9fallax, and P. californiarum formed a monophyletic group together but individually had paraphyly, while P. quadrifolia and P. monophylla formed their own monophyletic groups. Oddly, P. 9fallax was observed to have an intermediate level of heterozygosity between its two parental species, an unexpected observation of hybrid taxa.…”
Section: Hybrid Origins Of Fallax-typesupporting
confidence: 81%
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“…As P. 9fallax is of hybrid origin, we expect to see its chlorotype grouping with either P. edulis or P. californiarum depending on the pollen donor; however, as P. californiarum likely inherited its chloroplast from P. edulis, the three taxa shared similar chlorotypes, while P. quadrifolia and P. monophylla remained distinct. A similar pattern using plastid data was found by Montes et al (2022) in which P. edulis, P. 9fallax, and P. californiarum formed a monophyletic group together but individually had paraphyly, while P. quadrifolia and P. monophylla formed their own monophyletic groups. Oddly, P. 9fallax was observed to have an intermediate level of heterozygosity between its two parental species, an unexpected observation of hybrid taxa.…”
Section: Hybrid Origins Of Fallax-typesupporting
confidence: 81%
“…This novel hybridization event was not detected in other genetic studies (i.e. Montes et al, 2019Montes et al, , 2022 likely due to their lower sample sizes and taxonomically focused sampling design targeting 'type' individuals. However, the hybrid origin of P. 9fallax may explain their study's nuclear phylogenetic findings wherein P. 9fallax samples never formed a monophyletic group, but instead grouped with either P. edulis or P. californiarum (Montes et al, 2022).…”
Section: Hybrid Origins Of Fallax-typementioning
confidence: 68%
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