Pearl Yarrow

Achillea ptarmica

General Status Rank: 
Alien
ELCODE: 
PDAST03050
Common Name: 
Pearl Yarrow
Scientific Name: 
Achillea ptarmica
Naming References: 
W025
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Taxonomy
Group: 
Vascular Plant
Kingdom: 
Plantae
Phylum: 
Magnoliophyta
Class: 
Dicotyledoneae
Order: 
Asterales
Family: 
Asteraceae
Distribution

Number of Occurrences

Found in an open bulldozed area beside Niven Lake on N side of Yellowknife, this introduced species differs from A. sibirica Ledeb. in its serrated, instead of pectinate leaves and longer ligules to 5 mm. This species is sometimes introduced with wildflower” seed mixtures.
Score: 
A
References: 
R147
General Status Rank
Rank: 
Alien
Status Rank Description: 
From Eurasia
S Rank: 
SNA
Decision Process Description: 
Drafted by S Carriere based on printed material only 2005; Reviewed in 2010, no change; Reviewed in 2015 by Marilyn Anions; no change
Last Updated: 
June 29, 2015

References

Naming

  • Nature Serve: An online encyclopedia of life (web application) (2005) Version 4.2 (11 January 2005). Arlington Virginia USA. Association for Biodiversity Information.. http://www.natureserve.org/explorer/servlet/NatureServe?init=Species - W025 Return

Number of Occurrences

  • Catling, Paul (2005) Additions to the flora of the continental Northwest Territories from the Great Slave Lake area.. Canadian Field Naturalist 119(3) Print out in ref binder - R147 Return