What effect has there been on local business or human interaction with flowering rush?

Flowering rush, an invasive aquatic plant, can negatively impact local businesses, particularly those reliant on tourism and recreation, such as boating and fishing. Its dense growth can obstruct waterways, making navigation difficult and deterring visitors, which can lead to decreased revenue for local businesses. Additionally, the plant can disrupt ecosystems, affecting fish populations and other wildlife, further diminishing human interaction with the natural environment. Local communities may also face increased costs for management and control efforts to mitigate its spread.