Yukon Aster

Symphyotrichum yukonense (Aster yukonensis)

General Status Rank: 
May Be At Risk
ELCODE: 
PDAST0T3N0
Common Name: 
Yukon Aster
Scientific Name: 
Symphyotrichum yukonense (Aster yukonensis)
Synonyms: 
Aster yukonensis
Naming References: 
B003
W018
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Taxonomy
Group: 
Vascular Plant
Kingdom: 
Plantae
Phylum: 
Magnoliophyta
Class: 
Dicotyledoneae
Order: 
Asterales
Family: 
Asteraceae
References: 
B036
General Biology

Longevity

perennial
References: 
B003

Economic/Human Considerations

readily colonizes new land areas (such as floodplains); only found in northern North America
References: 
R071
Habitat
sandy loam soild and plentiful water supply, usually in valleys; can tolerate saline conditions (has ben found near hotsprings)
References: 
R071
Distribution

Ecozones

Taiga Plains
References: 
B036

Distribution

Near endemic. Known from the NWT and Yukon in Canada and from Alaska in the United States (Flora of North America, vol. 20, 2006).
Score: 
D
References: 
R071

Number of Occurrences

3 (R071); DAO-specimens on loan?; CAN-0 (H156)
Score: 
A
References: 
R071
H156

Area of Occupancy

Score: 
-
References: 
R071
Population

Population Size

rare or localized
References: 
R071
Trends

Trends

stable overall: cycles with the weather and salinity of the area
References: 
R071
Threats

Threats

Score: 
C

Intrinsic Vulnerability

Score: 
-
General Status Rank
Rank: 
May Be At Risk
Status Rank Description: 
- Very restricted distribution with only about 3 occurrences within a single ecozone and listed as rare in B036.
S Rank: 
S2
Decision Process Description: 
Drafted by E Haber (2005); Reviewed in 2010, no change. ; Reviewed in 2015 by Marilyn Anions; no change
Last Updated: 
July 23, 2024
Status Designations

Canada – Assessment by Committee on the Status of Endangered Wildlife in Canada

COSEWIC Status: 
Not At Risk
Naturally rare, salt-tolerant pioneer species with seemingly fluctuating populations and disjunct sites. Designated Not at Risk in April 1996.
References: 
R071

References

Area of Occupancy

  • Harris SA (1996) Status report on the Yukon Aster Aster yukonensis in Canada. Committee on the Status of Endangered Wildlife in Canada (COSEWIC) RWED Library Folder - R071 Return
COSEWIC Status
  • Harris SA (1996) Status report on the Yukon Aster Aster yukonensis in Canada. Committee on the Status of Endangered Wildlife in Canada (COSEWIC) RWED Library Folder - R071 Return

Economic Status

  • Harris SA (1996) Status report on the Yukon Aster Aster yukonensis in Canada. Committee on the Status of Endangered Wildlife in Canada (COSEWIC) RWED Library Folder - R071 Return

Ecozones

  • McJannet CL, Argus GW and Cody WJ (1995) Rare Vascular Plants in the Northwest Territories. Canadian Museum of Nature Syllogeus 73:1-104. RWED Library Call #QK86.C3M3 - B036 Return

Habitat

  • Harris SA (1996) Status report on the Yukon Aster Aster yukonensis in Canada. Committee on the Status of Endangered Wildlife in Canada (COSEWIC) RWED Library Folder - R071 Return

Longevity

  • Porsild AE, and Cody WJ (1980) Vascular Plants of Continental Northwest Territories, Canada. National Museums of Canada RWED Library Call #QK203.N7P6http://ia601004.us.archive.org/22/items/vascularplantsof00pors/vascularplantsof00pors.pdf - B003 Return

Naming

  • Porsild AE, and Cody WJ (1980) Vascular Plants of Continental Northwest Territories, Canada. National Museums of Canada RWED Library Call #QK203.N7P6http://ia601004.us.archive.org/22/items/vascularplantsof00pors/vascularplantsof00pors.pdf - B003 Return
  • NatureServe: An online encyclopedia of life [web application]. (2001) Version 1.4 . Arlington, Virginia, USA: Association for Biodiversity Information.. Available: http://www.natureserve.org/. (Accessed: June 29, 2001 - W018 Return

Number of Occurrences

  • Harris SA (1996) Status report on the Yukon Aster Aster yukonensis in Canada. Committee on the Status of Endangered Wildlife in Canada (COSEWIC) RWED Library Folder - R071 Return
  • Erich Haber (2005) Personal Communication-email to S Carriere on 05/01/2005 on Dicots 5. E-mail archive - H156 Return

Population Size

Harris SA (1996) Status report on the Yukon Aster Aster yukonensis in Canada. Committee on the Status of Endangered Wildlife in Canada (COSEWIC) RWED Library Folder - R071 Return

Range Extent

  • Harris SA (1996) Status report on the Yukon Aster Aster yukonensis in Canada. Committee on the Status of Endangered Wildlife in Canada (COSEWIC) RWED Library Folder - R071 Return

Short Term Trends

  • Harris SA (1996) Status report on the Yukon Aster Aster yukonensis in Canada. Committee on the Status of Endangered Wildlife in Canada (COSEWIC) RWED Library Folder - R071 Return

Taxonomy

  • McJannet CL, Argus GW and Cody WJ (1995) Rare Vascular Plants in the Northwest Territories. Canadian Museum of Nature Syllogeus 73:1-104. RWED Library Call #QK86.C3M3 - B036 Return