Notifications

Government mail service may be affected by the Canada Post labour disruption. See how to send and receive government mail during this time

Part of Resources

Plant species at risk

At-risk reports on a number of plant species in the province, including the whitebark pine.

Note: species status as presented within publications may have changed since the publication date. Current general and detailed status is listed for each species.

Plants – General

Species at Risk Brochures

Prairie Plants at Risk in Southern Alberta

  • Alberta Species at Risk Brochure

Species at Risk Program Reports

No. 21– Proposed Protocols for Inventories of Rare Plants of the Grassland Natural Region

  • Alberta Species at Risk Report No. 21 prepared by C. Wallis

No. 59 – Rare Plant Inventory of the Eastern Edge of the Lower Foothills Natural Subregion, West-Central Alberta

  • Alberta Species at Risk Report No. 59 prepared by J. Doubt

No. 134 – A Volunteer-based Conservation Initiative for Rare Plants and Lichens Program Summary 2005-2008

  • Alberta Species at Risk Report No. 134 prepared by K.J. Kissner

No. 145 – Adopt-a-Plant Alberta: A Volunteer-based Conservation Initiative for Rare Plants and Lichens Program Summary 2009-2011

  • Alberta Species at Risk Report No. 145 prepared by Adopt-A-Plant Alberta

Hare-footed locoweed

Scientific Name: Oxytropis lagopus var. conjugans
General Status: May be at Risk
Detailed Status: Species of Special Concern

Detailed Status Report

Status of the Hare-footed Locoweed in Alberta

  • Alberta Wildlife Status Report No. 69, prepared by C. Bradley

Management Plan

Hare-footed Locoweed Conservation Management Plan

  • Alberta Species at Risk Conservation Management Plan No. 13, prepared by C. Bradley

Related Information:

Additional information for this species is available at:

Limber Pine

Scientific Name: Pinus flexilis
General Status: At Risk
Detailed Status: Endangered

Detailed Status Report

Detailed Status Report

  • Alberta Wildlife Status Report No. 62, prepared by D.W. Langor

Recovery Plan

Alberta Whitebark Pine and Limber Pine Recovery Plan

  • Alberta Species at Risk Recovery Plan No. 44, prepared by Alberta Environment and Parks

Whitebark pine and limber pine recovery plan: summary of public response

Species at Risk Brochures

Alberta Species at Risk – Whitebark and Limber Pine

Species at Risk Implementation Report

Species at risk implementation report: limber and whitebark pine recovery implementation 2022

Species at Risk Program Reports

No.166 – Whitebark and Limber Pine Recovery Program in Alberta: 2015–2019 report

  • Alberta Species at Risk Report No. 166, prepared by J. Krakowski

Related Information:

Additional information for this species is available at:

Porsild's Bryum

Scientific Name: Bryum porsildii
General Status: At Risk
Detailed Status: Endangered

Detailed Status Report

No. 59 - Status of the Porsild's Bryum in Alberta

  • Alberta Wildlife Status Report No. 59, prepared by J. Doubt

Recovery Plan and Summaries

Alberta Porsild’s Bryum Recovery Plan

  • Alberta Species at Risk Recovery Plan No. 43, prepared by Alberta Environment and Parks

    For more information, contact:

Species at Risk 2013-14 Recovery Action Summary: Porsild's Bryum

Species at Risk Program Reports

No.150 – Analysis of habitat requirements for Porsild's bryum (Haplodontium macrocarpum (Hooker) Spence) in Alberta

  • Alberta Species at Risk Report No. 150, prepared by R. Caners

No.166 – Update on Porsild’s Bryum (Haplodontium macrocarpum) in Alberta

  • Alberta Species at Risk Report No. 166, prepared by R. Caners

Related Information

Additional information for this species is available at:

Slender Mouse-ear-cress

Scientific Name: Halimolobos virgata
General Status: At Risk
Detailed Status: Endangered

Detailed Status Report

No. 55 Status of the Slender Mouse-ear-cress in Alberta

  • Alberta Wildlife Status Report No. 55 (Update 2009), prepared by C. Bradley

Archived Detailed Status Report

No. 55 Status of the Slender Mouse-ear-cress in Alberta

  • Alberta Wildlife Status Report No. 55, prepared by I.D. Macdonald

Recovery Plan

Alberta Slender Mouse-ear-cress Recovery Plan

  • Alberta Slender Mouse-ear-cress Recovery Plan No. 39, prepared by Alberta Environment and Parks

Species at Risk Program Reports

No. 123 – Survey for Slender Mouse-ear Cress

  • Alberta Species at Risk Report No. 123, prepared by C. Bradley

Related Information

Additional information for this species is available at:

Small Flowered Sand Verbena

Scientific Name: Tripterocalyx micranthus
General Status: At Risk
Detailed Status: Threatened

Detailed Status Report

No. 48 - Status of the Small Flowered Sand Verbena in Alberta

  • Alberta Wildlife Status Report No. 48, prepared by B. Smith

Recovery Plan

Alberta Small-flowered Sand-verbena Recovery Plan 2012-2017

2013-14 Recovery Action Summary – Small-flowered Sand-verbena

  • Alberta Species at Risk Recovery Plan No. 24, prepared by the Alberta Small-flowered Sand-verbena Recovery Team

    For more information, contact:

Species at Risk Program Reports

No. 119 – Inventory of Tiny Cryptanthe and Small-flowered Sand Verbena in Alberta

  • Alberta Species at Risk Report No. 119, C. D. Bush

Related Information

Additional information for this species is available at:

Soapweed

Scientific Name: Yucca glauca 
General Status: At Risk
Detailed Status: Endangered

Detailed Status Report

Status of Soapweed in Alberta – ED2006-05

  • Alberta Wildlife Status Report No. 35, prepared by D. Hurlburt

Recovery Plan

Alberta Soapweed and Yucca Moth Recovery Plan 2012-2022 – ED2006-05

  • Alberta Species at Risk Recovery Plan No. 25, prepared by Alberta Environment and Sustainable Resource Development

    For more information, contact:

Species at Risk Program Reports

No. 111 – 2004 Pinhorn Grazing Reserve Soapweed Population Survey

  • Alberta Species at Risk Report No. 111, prepared by K. Foreman, J. Nicholson, L. Matthias and J. Chandler

Related Information

Additional information for this species is available at:

Tiny Cryptanthe

Scientific Name: Cryptantha minima
General Status: At Risk
Detailed Status: Endangered

Detailed Status Report

Status of Tiny Cryptanthe in Alberta

  • Alberta Wildlife Status Report No. 54, prepared by C. Bradley

Recovery Plan

Alberta Tiny Cryptantha Recovery Plan 2012-2017
2013-14 Recovery Action Summary – Tiny Cryptantha

  • Alberta Species at Risk Recovery Plan No. 23, prepared by the Alberta Tiny Cryptantha Recovery Team

    For more information, contact:

Species at Risk Program Reports

No. 119 – Inventory of Tiny Cryptanthe and Small-flowered Sand Verbena (Tripterocalyx micranthus) in Alberta

  • Alberta Species at Risk Report No. 119, C. D. Bush

Related Information

Additional information for this species is available at:

Western Blue Flag

Scientific Name: Iris missouriensis
General Status: At Risk
Detailed Status: Species of Special Concern

Detailed Status Report

Status of the Western Blue Flag in Alberta

  • Alberta Wildlife Status Report No. 21, prepared by K. Romanchuk

Archived Status Report

Status of the Western Blue Flag in Alberta

  • Alberta Wildlife Status Report No. 21, prepared by J. Gould

Fact Sheet

Western Blue Flag

Recovery Plan

Maintenance and Recovery Plan for Western Blue Flag in Canada

  • Alberta Species at Risk Recovery Plan No. 1, prepared by the Canada Western Blue Flag Maintenance/Recovery Team

    For more information, contact:

Species at Risk Program Reports

No. 18 – Western Blue Flag in Alberta: A Census of Naturally Occurring Populations for 2000

  • Alberta Species at Risk Report No. 18, prepared by R. Ernst

No. 38 – A Census and Recommendations for Management for Western Blue Flag in Alberta

  • Alberta Species at Risk Report No. 38, prepared by R. Ernst

No. 66 – Inventory and Monitoring Protocol for Naturally Occurring Western Blue Flag in Alberta

  • Alberta Species at Risk Report No. 66, prepared by R. Ernst

No. 85 – Western Blue Flag Conservation Program: 3-Year Summary Report

  • Alberta Species at Risk Report No. 85, prepared by K.A. Romanchuk, R.D. Ernst and R.W. Quinlan

Related Information

Additional information for this species is available at:

Western Spiderwort

Scientific Name: Tradescantia occidentalis
General Status: At Risk
Detailed Status: Endangered

Detailed Status Report

No. 31 Status of the Western Spiderwort in Alberta

  • Alberta Wildlife Status Report No. 31, prepared by B. Smith

Fact Sheet

Alberta's Western Spiderwort

Recovery Plan and Action Summary

Alberta Western Spiderwort Recovery Plan 2012-2022

  • Alberta Species at Risk Recovery Plan No. 26, prepared by Alberta Environment and Sustainable Resource Development

    For more information, contact:

Alberta Western Spiderwort Recovery Action Summary 2014 – 15

Species at Risk Program Reports

No. 61 – Inventory of Western Spiderwort in Alberta, 2002

  • Alberta Species at Risk Report No. 61, prepared by S. Peters
    Addendum to Report No. 61, prepared by S. Peters

No. 102 – Western Spiderwort Inventory in Alberta, 2005

  • Alberta Species at Risk Report No. 102, prepared by K. Remarchuk

No. 128 - Adopt-a-Plant Alberta: Implementing Recovery Actions for Western Spiderwort 2007-2008

  • Alberta Species at Risk Report No. 38, prepared by R. Ernst

Related Information

Additional information for this species is available at:

Whitebark Pine

Scientific Name: Pinus albicaulis
General Status: At Risk
Detailed Status: Endangered

Detailed Status Report

Status of the Whitebark Pine in Alberta

  • Alberta Wildlife Status Report No. 63, prepared by B. Wilson

Recovery Plan

Alberta Whitebark Pine and Limber Pine Recovery Plan

  • Alberta Species at Risk Recovery Plan No. 44, prepared by Alberta Environment and Parks

Whitebark pine and limber pine recovery plan: summary of public response

Species at Risk Implementation Report

Species at risk implementation report: limber and whitebark pine recovery implementation 2022

Species at Risk Program Reports

No.166 – Whitebark and Limber Pine Recovery Program in Alberta: 2015–2019 report

  • Alberta Species at Risk Report No. 166, prepared by J. Krakowski

Related Information

Additional information for this species is available at:

Previous Mammals
Next Reptiles