Species Profile

Annual Saltmarsh Aster

Scientific Name: Symphyotrichum subulatum
Other/Previous Names: Bathurst Aster (Bathurst population),Aster subulatus var. obtusifolius
Taxonomy Group: Vascular Plants
Range: Quebec, New Brunswick, Prince Edward Island
Last COSEWIC Assessment: April 2017
Last COSEWIC Designation: Not at Risk
SARA Status: Schedule 3, Special Concern - (SARA Schedule 1 provisions do not apply)


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Quick Links: | Photo | Description | Habitat | Biology | National Recovery Program | Documents

Image of Annual Saltmarsh Aster

Annual Saltmarsh Aster Photo 1

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Description

The Bathurst Aster is an annual plant which measures about 20 cm in height. It seems squat because of the numerous branches at the base of the plant. The leaves have rounded tips; the flowers are white.

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Distribution and Population

The Bathurst Aster is found only in New Brunswick.

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Habitat

The Bathurst Aster grows in areas where salt water is present; it is found in salt marshes or in saline sands and gravel that occur at or just below sea level.

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Biology

The Bathurst Aster flowers in late August and early September. This plant reproduces through seeds.

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It is believed that loss of habitat is responsible for the fact that few populations of Bathurst Aster exist in Canada. Pollution and disturbance of sites due to development could threaten the remaining populations of Bathurst aster.

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Documents

PLEASE NOTE: Not all COSEWIC reports are currently available on the SARA Public Registry. Most of the reports not yet available are status reports for species assessed by COSEWIC prior to May 2002. Other COSEWIC reports not yet available may include those species assessed as Extinct, Data Deficient or Not at Risk. In the meantime, they are available on request from the COSEWIC Secretariat.

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