Symphyotrichum laeve
Encyclopedia
Symphyotrichum laeve is a flowering plant native to the United States
and North America
.
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
and North America
North America
North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...
.