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Article

Patterns of genetic variation suggest a single, ancient origin for the diploid hybrid species Helianthus paradoxus.

Evolution; international journal of organic evolution - 1 Nov 2002

Welch Mark E, Rieseberg Loren H

Abstract excerpt

Experimental and comparative evidence implies that homoploid hybrid speciation is a reproducible process, mediated in part by ecological selection. Here, molecular data from the chloroplast genome and 17 nuclear microsatellite loci were employed to determine whether a well-documented homoploid hybrid species, Helianthus paradoxus, has arisen multiple times. Helianthus paradoxus is ecologically divergent from its...

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Identifiers

PMID: 12487344
DOI: 10.1111/j.0014-3820.2002.tb00138.x

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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