Rock Elm
Ulmus thomasii
Species code GS006478
General Status in Canada
Secure
Present in regions
Migratory species: Unknown
Taxonomic group:
Vascular plantsLearn 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:
Rock Elm
French common name:
Orme liège
| Year | English common name | French common name |
|---|---|---|
| 2005 | Rock Elm | Orme de Thomas |
| 2010 | Rock Elm | Orme liège |
| 2015 | Rock Elm | Orme liège |
| 2020 | Rock Elm | Orme liège |
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
Rosanae
| Year | Scientific name | Family | Order |
|---|---|---|---|
| 2005 | Ulmus thomasii | Ulmaceae | Urticales |
| 2010 | Ulmus thomasii | Ulmaceae | Urticales |
| 2015 | Ulmus thomasii | Ulmaceae | Rosales |
| 2020 | Ulmus thomasii | Ulmaceae | Rosales |
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 | Apparently Secure | |||
| 2010 | Apparently Secure | |||
| 2015 | Apparently Secure | |||
| 2020 | Apparently Secure |
Original Ranks:
| Canada | |
|---|---|
| 2005 | Secure - 4 |
| 2010 | Secure - 4 |
| 2015 | Apparently Secure - N4N5 |
| 2020 | Apparently Secure - N4 |
| 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 | Not Present |
| 2015 | Not Present |
| 2020 | Not Present |
| Alberta | |
|---|---|
| 2005 | Not Present |
| 2010 | Not Present |
| 2015 | Not Present |
| 2020 | Not Present |
| Saskatchewan | |
|---|---|
| 2005 | Not Present |
| 2010 | Not Present |
| 2015 | Not Present |
| 2020 | Not Present |
| Manitoba | |
|---|---|
| 2005 | Not Present |
| 2010 | Not Present |
| 2015 | Not Present |
| 2020 | Not Present |
| Ontario | |
|---|---|
| 2005 | Secure - 4 |
| 2010 | Secure - 4 |
| 2015 | Apparently Secure - S4 |
| 2020 | Apparently Secure - S4 |
| Quebec | |
|---|---|
| 2005 | At Risk - 1 |
| 2010 | At Risk - 1 |
| 2015 | Imperiled - S2 |
| 2020 | Imperiled - S2 |
| 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 |