Reconstructing the introduction history of the invasive grass Taeniatherum caput-medusae subsp. asperum in the western United States: Low within-population genetic diversity does not preclude invasion.

Abstract excerpt

PREMISE: One of the main drivers of global change is biotic exchange, which leads to biological invasions. The genetic diversity and structure of invasive populations is influenced by multiple factors, most notably the details of a species' introduction, its pattern of range expansion, and its mating system. Taeniatherum caput-medusae subsp. asperum is a primarily self-pollinating, invasive, annual grass of the...

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