Western Lettuce (Lactuca ludoviciana) wildspecies.ca

May Be At Risk

Present in regions

Migratory species: Unknown

Taxonomic group:

Vascular plants

Learn more about all species of Vascular plants in Canada.

The General Status ranks do not have legal weight. They are meant to identify the species that may be at risk in Canada.

Access other data on this species on the NatureServe Explorer.

Common Names

English common name:

Western Lettuce

French common name:

Laitue de Louisiane

Year	English common name	French common name
2005	Western Lettuce
2010	Western Lettuce	Laitue de Louisiane
2015	Western Lettuce	Laitue de Louisiane
2020	Western Lettuce	Laitue de Louisiane

Source: iNaturalist

Scientific Names

Higher Classification:

Superkingdom

EUKARYOTA

Kingdom

PLANTAE

Subkingdom

VIRIDIPLANTAE

Infrakingdom

STREPTOPHYTA

Superphylum

Embryophyta

Phylum

Tracheophyta

Subphylum

Spermatophytina

Superclass

Angiospermae

Class

Magnoliopsida

Superorder

Asteranae

Year	Scientific name	Family	Order
2005	Lactuca ludoviciana	Asteraceae	Asterales
2010	Lactuca ludoviciana	Asteraceae	Asterales
2015	Lactuca ludoviciana	Asteraceae	Asterales
2020	Lactuca ludoviciana	Asteraceae	Asterales

Priority Score

This species is not designated as may be at risk

Trends in rounded national ranks

Year	Rounded National Rank	Description of the change	Reason for change
2005	Critically Imperiled
2010	Critically Imperiled
2015	Possibly Extirpated	Increased level of risk.	Improved knowledge of the species.
2020	Unrankable	Changed from or to ranks U, NR, NA.	Incorrect data used previously.

Original Ranks:

Canada
2005	May Be At Risk - 2
2010	May Be At Risk - 2
2015	Possibly Extirpated - NH
2020	Unrankable - NU

Yukon
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Northwest Territories
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Nunavut
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

British Columbia
2005	Not Present
2010	Exotic - 7
2015	Not Applicable - SNA
2020	Not Applicable - SNA

Alberta
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Saskatchewan
2005	May Be At Risk - 2
2010	May Be At Risk - 2
2015	Possibly Extirpated - SH
2020	Possibly Extirpated - SH

Manitoba
2005	Undetermined - 5
2010	Undetermined - 5
2015	Unrankable - SU
2020	Unrankable - SU

Ontario
2005	Exotic - 7
2010	Not Present
2015	Not Applicable - SNA
2020	Not Applicable - SNA

Quebec
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

New Brunswick
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Nova Scotia
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Prince Edward Island
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Newfoundland and Labrador
2005	Not Present
2010	Not Present
2015
2020

Labrador
2005
2010
2015	Not Present
2020	Not Present

Newfoundland
2005
2010
2015	Not Present
2020	Not Present

Pacific Ocean
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Western Arctic Ocean
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Eastern Arctic Ocean
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Atlantic Ocean
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present