Aster Arenosus is a type of wildflower that is commonly found in the sand dunes. It is also known by different names such as Beach Aster, Sand Aster, and Seaside Aster. These synonyms describe the plant's natural habitat and distinguish it from other types of asters found in various locations. The Beach Aster derives its name from its ability to thrive in coastal areas, while the Sand Aster refers to the plant's preferred soil type. The Seaside Aster, on the other hand, describes its proximity to the saltwater environment. All of these synonyms refer to the same plant, and they describe its unique characteristics, including its stunning purple, pink, or white flowers.