EurekAlert! has this story about new research implicating Japanese stiltgrass (Microstegium vimineum) as an inhibitor of forest regeneration. The scientists conducting the study, which was done in Tennessee, noted that Microstegium can invade low-light habitats, and found that an increase in populations of the grass was correlated with a decrease in native woody plant biodiversity. Interested readers should check out this page, which includes a link to the full research article.
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