Symphyotrichum nahanniense explained

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 7to 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.

References

• 20. 2006. Brouillet . L. . Luc Brouillet. Semple . J.C. . John C. Semple. Allen . G.A. . Geraldine A. Allen. Chambers . K.L. . Kenton Lee Chambers. Sundberg . S.D. . Scott D. Sundberg. 12 July 2021.
• Lansdown . R.V.. 2017. Symphyotrichum nahanniense. 10.2305/IUCN.UK.2017-3.RLTS.T80606887A80958667.en . 2307-8235. 3 August 2021.
• Web site: NatureServe . NatureServe. 2 July 2021. Symphyotrichum nahanniense Nahanni Aster . explorer.natureserve.org. Arlington, Virginia. 12 July 2021.
• Parks Canada . Parks Canada. 2021. Management Plan for the Nahanni Aster (Symphyotrichum nahanniense) in Canada. Species at Risk Act Management Plan Series. Catalogue no. En3-5/115-2021E-PDF.. Ottawa. 978-0-660-38590-7. https://web.archive.org/web/20210831065004/https://www.canada.ca/en/environment-climate-change/services/species-risk-public-registry/management-plans/nahanni-aster-final-2021.html. 31 August 2021. live. 31 August 2021.
• 1086844-2. POWO. 2019 . Symphyotrichum nahanniense (Cody) Semple. 12 July 2021.
• Web site: Pressman . N. . 24 July 2021. Parks Canada Takes Steps to Protect Rare Flower Found Only in N.W.T. Park Reserve. www.cbc.ca. CBC News. https://web.archive.org/web/20210724160856/https://www.cbc.ca/news/canada/north/nahanni-aster-flower-northwest-territories-1.6112075. 24 July 2021. live. 24 July 2021.