Genetic diversity does not affect the invasiveness of fountain grass (Pennisetum setaceum) in Arizona, California and Hawaii

By Jessica Poulin, S. Weller, A. Sakai. 2005

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The Beginning of a New Invasive Plant: A History of the Ornamental Callery Pear in the United States (2007, background): “For example, invasive populations of fountain grass (Pennisetum setaceum) contain a single genotype identical to that found in commercially available seed (Poulin et al. 2005).”
Phenotypic plasticity rather than locally adapted ecotypes allows the invasive alligator weed to colonize a wide range of habitats (2007, unknown): “2001) and Pennisetum setaceum in the US (Poulin et al. 2005).”
Genetic bottleneck in invasive species: the potato tuber moth adds to the list (2008, background): “After its introduction into Costa-Rica in 1970, T. solanivora was introduced in 1973 into Panama (Povolny 1973; Niño 2004).”
The role of intraspecific hybridization in the evolution of invasiveness: a case study of the ornamental pear tree Pyrus calleryana (2009, background): “A similar process may also be occurring in ornamental fountain grass (Pennisetum setaceum), an introduced Eurasian perennial in which invasive populations in Hawaii and Arizona contain the same genotype (Poulin et al. 2005).”