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Article

Genetic, morphological, and spectral characterization of relictual Niobrara River hybrid aspens (Populus × smithii).

American journal of botany - 1 Dec 2017

Deacon Nicholas John, Grossman Jake Joseph, Schweiger Anna Katharina, Armour Isabella, Cavender-Bares Jeannine

Abstract excerpt

PREMISE OF THE STUDY: Aspen groves along the Niobrara River in Nebraska have long been a biogeographic curiosity due to morphological differences from nearby remnant Populus tremuloides populations. Pleistocene hybridization between P. tremuloides and P. grandidentata has been proposed, but the nearest P. grandidentata populations are currently several hundred kilometers east. We tested the hybrid-origin...

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PMID: 29247028
DOI: 10.3732/ajb.1700268

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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