Pale Smartweed

Persicaria lapathifolia (Polygonum lapathifolium,

General Status Rank: 
Alien
ELCODE: 
PDPGN0L190
Common Name: 
Pale Smartweed
Scientific Name: 
Persicaria lapathifolia (Polygonum lapathifolium,
Synonyms: 
Polygonum lapathifolium
Naming References: 
B003
W018
W019-2004
Google image search
Taxonomy
Group: 
Vascular Plant
Kingdom: 
Plantae
Phylum: 
Magnoliophyta
Class: 
Dicotyledoneae
Order: 
Caryophyllales (Polygonales)
Family: 
Polygonaceae
References: 
W019-2004
General Biology

Longevity

annual
References: 
B003
Habitat
waste places and roadsides
References: 
B003
Distribution

Ecozones

Taiga Plains, Taiga Shield, Boreal Plains
References: 
B003

Distribution

0.13
Score: 
F
References: 
B003

Number of Occurrences

13(B003); DAO-15; CAN-2 Canadian Museum of Nature records=CAN; Agriculture Canada, Ottawa = DAO; some duplication of records likely exists (H155).
Score: 
B
References: 
B003
H155

Historical Distribution

Introduced
References: 
B003

Area of Occupancy

Score: 
-
Threats

Threats

Score: 
C

Intrinsic Vulnerability

Score: 
-
General Status Rank
Rank: 
Alien
Status Rank Description: 
Small regional distribution with small number of occurrences and present in three ecozones. The species is likely much more common than present records indicate considering the nature of its habitat in disturbed areas (H155). Considered introduced according to B003.VASCAN lists as introduced for NWT, It might be both introduced and native
S Rank: 
SNA
Decision Process Description: 
Drafted as secure by E. Haber in 2004 (H155).; Reviewed in 2010, no change.; Reviewed in 2015 by Marilyn Anions; modified from secure to alien (error correction)
Last Updated: 
July 6, 2015

References

Ecozones

  • 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

Habitat

  • 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

Historical Distribution

  • 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

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
  • Flora of North America Editorial Committee (2004) Flora of North America - North of Mexico. Oxford University Press Online Version http://hua.huh.harvard.edu/cgi-bin/Flora/ - W019-2004 Return

Number of Occurrences

  • 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
  • Erich Haber (2004) Personal Communication- email to B. Dunne on 10/26/2004 with dicot1.. Email archive - H155 Return

Range Extent

  • 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

Taxonomy

  • Flora of North America Editorial Committee (2004) Flora of North America - North of Mexico. Oxford University Press Online Version http://hua.huh.harvard.edu/cgi-bin/Flora/ - W019-2004 Return