Water Pygmyweed (Crassula aquatica) wildspecies.ca

Sensitive

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:

Water Pygmyweed

French common name:

Tillée aquatique

Year	English common name	French common name
2005	Water Pygmyweed	Tillée aquatique
2010	Water Pygmyweed	Tillée aquatique
2015	Water Pygmyweed	Tillée aquatique
2020	Water Pygmyweed	Tillée aquatique

Scientific Names

Higher Classification:

Superkingdom

EUKARYOTA

Kingdom

PLANTAE

Subkingdom

VIRIDIPLANTAE

Infrakingdom

STREPTOPHYTA

Superphylum

Embryophyta

Phylum

Tracheophyta

Subphylum

Spermatophytina

Superclass

Angiospermae

Class

Magnoliopsida

Superorder

Saxifraganae

Year	Scientific name	Family	Order
2005	Crassula aquatica	Crassulaceae	Rosales
2010	Crassula aquatica	Crassulaceae	Rosales
2015	Crassula aquatica	Crassulaceae	Saxifragales
2020	Crassula aquatica	Crassulaceae	Saxifragales

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	Notes
2005	Vulnerable
2010	Apparently Secure	Reduced level of risk.	Improved knowledge of the species.
2015	Apparently Secure
2020	Secure	Reduced level of risk.	New information not reflecting genuine change.	More documented occurrences

Original Ranks:

Canada
2005	Sensitive - 3
2010	Secure - 4
2015	Apparently Secure - N4N5
2020	Secure - N5

Yukon
2005	May Be At Risk - 2
2010	May Be At Risk - 2
2015	Critically Imperiled - S1
2020	Critically Imperiled - S1

Northwest Territories
2005	May Be At Risk - 2
2010	May Be At Risk - 2
2015	Imperiled - S2
2020	Imperiled - S2

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

British Columbia
2005	Sensitive - 3
2010	Secure - 4
2015	Apparently Secure - S4S5
2020	Secure - S5

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

Saskatchewan
2005	May Be At Risk - 2
2010	Undetermined - 5
2015	Critically Imperiled - S1
2020	Critically Imperiled - S1

Manitoba
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Ontario
2005	May Be At Risk - 2
2010	May Be At Risk - 2
2015	Imperiled - S2
2020	Imperiled - S2

Quebec
2005	Sensitive - 3
2010	Sensitive - 3
2015	Apparently Secure - S4
2020	Apparently Secure - S4

New Brunswick
2005	Sensitive - 3
2010	Secure - 4
2015	Vulnerable - S3
2020	Vulnerable - S3S4

Nova Scotia
2005	Sensitive - 3
2010	Sensitive - 3
2015	Imperiled - S2
2020	Vulnerable - S3

Prince Edward Island
2005	Extirpated - 0.1
2010	May Be At Risk - 2
2015	Critically Imperiled - S1
2020	Critically Imperiled - S1

Newfoundland and Labrador
2005	May Be At Risk - 2
2010	Sensitive - 3
2015
2020

Labrador
2005
2010
2015	Not Present
2020	Not Present

Newfoundland
2005
2010
2015	Critically Imperiled - S1
2020	Critically Imperiled - S1

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