Symphyotrichum nahanniense

Symphyotrichum nahanniense (formerly Aster nahanniensis) is a species of flowering plant in the family Asteraceae endemic to Northwest Territories, Canada.

Description
Commonly known as Nahanni aster, it is a perennial, herbaceous plant that grows about 7 to 39 cm in height. Its flowers have white to pale rose, often becoming rose-violet, ray florets and yellow then reddish disk florets.

Distribution and habitat
The species grows only within Nahanni National Park Reserve and has been found at seven hot mineral springs locations within the Park. A survey conducted in 2019 recorded about 130,000 plants.