What is another word for annual salt-marsh aster?
Pronunciation: [ˈanjuːə͡l sˈɒltmˈɑːʃ ˈastə] (IPA) 
The annual salt-marsh aster is a beautiful flower that blooms every year in the salt marshes along the coast of the Eastern United States. Also known as the marsh aster, it is a member of the daisy family and has small, pale purple flowers with yellow centers. Other synonyms for this plant include Symphyotrichum tenuifolium, which is its scientific name, and Aster tenuifolius, which is its older botanical name. It is also commonly referred to as slim-leaf aster, narrow-leaved aster, and southern salt-marsh aster. Whatever name it goes by, this delicate flower adds a splash of color to the salt marshes and is a vital part of the ecosystem.
