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In this book, early fluent readers will learn why purple loosestrife is considered an invasive species, how this plant has established itself in and impacted new ecosystems, and what scientists are doing to combat the problem. Bright, full-color photographs and carefully leveled... Read Full Overview

In this book, early fluent readers will learn why purple loosestrife is considered an invasive species, how this plant has established itself in and impacted new ecosystems, and what scientists are doing to combat the problem. Bright, full-color photographs and carefully leveled... Read Full Overview