Willowleaf aster (Symphyotrichum praealtum) COSEWIC status assessment and status report chapter 1

Assessment Summary

Assessment Summary – May 2000

Common name : Willowleaf aster

Scientific name : Symphyotrichum praealtum

Status : Threatened

Reason for designation : This is a geographically highly restricted species that has undergone range contraction and occurs mainly in fragmented remnant prairie habitats. There are few occurrences and ongoing risks from further habitat and population losses due to presence primarily in urbanized centres.

Occurrence : Ontario

Status history : Designated Special Concern in April 1999. Status re-examined and uplisted to Threatened in May 2003. Last assessment based on an existing status report.

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