Spreading Wood Fern (Dryopteris expansa) wildspecies.ca

Secure

Present in regions

Migratory species: Unknown

Taxonomic group:

Ferns

Learn more about all species of Ferns 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:

Spreading Wood Fern

French common name:

Dryoptère dressée

Year	English common name	French common name
2000	Shield Fern	Dryoptère étalée
2005	Northern Wood Fern	Dryoptère dressée
2010	Spreading Wood Fern	Dryoptère dressée
2015	Spreading Wood Fern	Dryoptère dressée
2020	Spreading Wood Fern	Dryoptère dressée

Source: iNaturalist

Scientific Names

Higher Classification:

Superkingdom

EUKARYOTA

Kingdom

PLANTAE

Subkingdom

VIRIDIPLANTAE

Infrakingdom

STREPTOPHYTA

Superphylum

Embryophyta

Phylum

Tracheophyta

Subphylum

Polypodiophytina

Class

Polypodiopsida

Subclass

Polypodiidae

Year	Scientific name	Family	Order
2000	Dryopteris expansa	Dryopteridaceae	Polypodiales
2005	Dryopteris expansa	Dryopteridaceae	Polypodiales
2010	Dryopteris expansa	Dryopteridaceae	Polypodiales
2015	Dryopteris expansa	Dryopteridaceae	Polypodiales
2020	Dryopteris expansa	Dryopteridaceae	Polypodiales

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
2000	Secure
2005	Secure
2010	Secure
2015	Secure
2020	Secure

Original Ranks:

Canada
2000	Secure - 4
2005	Secure - 4
2010	Secure - 4
2015	Secure - N5
2020	Secure - N5

Yukon
2000	May Be At Risk - 2
2005	Sensitive - 3
2010	Sensitive - 3
2015	Imperiled - S2S3
2020	Imperiled - S2S3

Northwest Territories
2000	Sensitive - 3
2005	May Be At Risk - 2
2010	May Be At Risk - 2
2015	Imperiled - S2
2020	Imperiled - S2

Nunavut
2000	Not Present
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

British Columbia
2000	Secure - 4
2005	Secure - 4
2010	Secure - 4
2015	Secure - S5
2020	Secure - S5

Alberta
2000	Sensitive - 3
2005	Sensitive - 3
2010	Sensitive - 3
2015	Apparently Secure - S4
2020	Apparently Secure - S4

Saskatchewan
2000	Not Present
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Manitoba
2000	Not Present
2005	Not Present
2010	Not Present
2015	Critically Imperiled - S1
2020	Not Present

Ontario
2000	Secure - 4
2005	Secure - 4
2010	Secure - 4
2015	Apparently Secure - S4
2020	Apparently Secure - S4

Quebec
2000	Secure - 4
2005	Secure - 4
2010	Secure - 4
2015	Secure - S5?
2020	Secure - S5

New Brunswick
2000	Not Present
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Nova Scotia
2000	Not Present
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Prince Edward Island
2000	Not Present
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Newfoundland and Labrador
2000	Secure - 4
2005	Undetermined - 5
2010	Secure - 4
2015
2020

Labrador
2000
2005
2010
2015	Apparently Secure - S3S5
2020	Apparently Secure - S3S5

Newfoundland
2000
2005
2010
2015	Vulnerable - S3S4
2020	Vulnerable - S3S4

Pacific Ocean
2000	Not Present
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Western Arctic Ocean
2000	Not Present
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Eastern Arctic Ocean
2000	Not Present
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Atlantic Ocean
2000	Not Present
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present