Willowleaf aster (Symphyotrichum praealtum) COSEWIC status assessment and status report chapter 10
Existing Protection or Other Status
Willowleaf aster presently has no legal status or formal protection in Canada. It was tentatively considered as a threatened species in Ontario by Semple et al. (1996).
International status
This species has a global ranking of G5 (NatureServe 2002).
National status
Rare in Canada with a National Rank of N2 (NatureServe 2002).
Provincial or state status
Ranked as S2 (very rare in Ontario; usually between 6 to 20 occurrences in the province) by Oldham (1994, 1996 and NatureServe 2002). The NatureServe web site provides the following listing of status for the USA and Canada.
U.S. and Canada State/Province Heritage Status Ranks
- United States : Alabama (SR), Arkansas (SR), Connecticut (SR), District of Columbia (SX), Florida (SR), Georgia (S1?), Illinois (S?), Indiana (SR), Iowa (S4), Kansas (SR), Kentucky (S2), Louisiana (SR), Maine (SR), Maryland (S1), Massachusetts (SX), Michigan (S3), Minnesota (S?), Mississippi (SR), Missouri (SR), Nebraska (SR), New Hampshire (SR), New Jersey (S1), New York (SR), Ohio (SR), Oklahoma (SR), Pennsylvania (S3), Rhode Island (SR), South Dakota (SR), Tennessee (S1), Texas (SR), Vermont (SR), West Virginia (S?), Wisconsin (SR)
- Canada : New Brunswick (SE), Ontario (S2)
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