What describes parrotfeather, an invasive plant?

Parrotfeather is best characterized by its light green foliage that extends above the water's surface. This feature allows it to thrive in aquatic environments, making it visible and easily recognizable. The plant can form dense mats on water bodies, which can impede water flow and impact local ecosystems by outcompeting native species for resources. Its growth pattern contributes to its invasive status, as it can quickly dominate areas, leading to significant ecological changes.

The other descriptions do not accurately represent the characteristics of parrotfeather. It does not have heart-shaped leaves or ruffled crests, nor is it a native species. It thrives in wet environments instead of dry soil conditions, which further underscores the specifics of its growth requirements and its impact as an invasive aquatic weed. Understanding these traits is crucial for recognizing and managing parrotfeather in aquatic ecosystems.