This book investigates the significant shifts in the prevalence and distribution of common weed species in Indiana over a century, from the early 20th century to the early 21st century. It draws upon historical agricultural records, botanical surveys, and potentially anecdotal evidence from farmers and land managers to chart these changes. The author's work aims to provide a comprehensive historical and ecological analysis of weed populations, likely highlighting the impact of agricultural practices, land use changes, and potentially climate on their proliferation.

This work appears to be a specialized academic or historical study focused on agricultural botany within a specific geographic region. The detailed temporal scope suggests a rigorous, data-driven approach, likely appealing to botanists, agricultural historians, environmental scientists, and potentially Indiana-specific historical societies. The subject matter indicates a text that would be dense with ecological and historical data, intended for readers with a pre-existing interest in the field.