BC Conservation Data Centre: Conservation Status Report
Tephroseris palustris
marsh fleabane
| Scientific Name: | Tephroseris palustris |
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| Scientific Name Synonyms: |
Senecio congestus
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| English Name: | marsh fleabane |
| Provincial Status Summary | |
| Status: | S3? |
| Date Status Assigned: | April 27, 2022 |
| Date Last Reviewed: | April 27, 2022 |
| Reasons: | There are currently 7+ known occurrences of Tephroseris palustris in British Columbia, 6 of which are considered extant. The range extent is 166,306 square kilometres and the area of occupancy is over 24 square kilometres with additional occurrences likely. |
| Range | |
| Range Extent: | F = 20,000-200,000 square km |
| Range Extent Comments: | The range extent for Tephroseris palustris, calculated using a convex hull, is 166,306 square kilometres; known from widely disjunct, disturbed sites across the north. |
| Area of Occupancy (km2): | CE = 3-125 |
| Area of Occupancy Comments: | The area of occupancy, using a 2km x 2km grid cell for extant occurrences, is over 24 square kilometres. |
| Occurrences & Population | |
| Number of Occurrences: | AC = 1 - 80 |
| Comments: | There are currently 7+ known occurrences of Tephroseris palustris in British Columbia, 5 or 6 of which are extant. |
| Number of Occurrences with Good Viability / Ecological Integrity: | C = 4 - 12 |
| Number of Occurrences Appropriately Protected & Managed: | B = 1 - 3 |
| Population Size: | Rank Factor not assessed |
| Threats (to population, occurrences, or area affected) | |
| Degree of Threat: | Rank Factor not assessed |
| Trend (in population, range, area occupied, and/or condition of occurrences) | |
| Short-Term Trend: | Rank Factor not assessed |
| Long-Term Trend: | Rank Factor not assessed |
| Other Factors | |
| Intrinsic Vulnerability: | C=Not intrinsically vulnerable |
| Environmental Specificity: | Rank Factor not assessed |
| Other Rank Considerations: | |
| Information Gaps | |
| Research Needs: | |
| Inventory Needs: | |
| Stewardship | |
| Protection: | |
| Management: | |
| Version | |
| Author: | R. Batten |
| Date: | December 31, 2021 |
| References | |
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Batten, R. 2018. Vascular plant GeoCAT range extent and index of AOO maps supporting status assessment 2017_18 for British Columbia Conservation Data Centre. March 2018. Victoria, BC. 450 pp.
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British Columbia Conservation Data Centre. Botany Program. 2000. Database containing records of rare plant collections and observations in the province of British Columbia.
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Please visit the website Conservation Status Ranks for information on how the CDC determines conservation status ranks. For global conservation status reports and ranks, please visit the NatureServe website http://www.natureserve.org/.
Suggested Citation:
B.C. Conservation Data Centre. 2021. Conservation Status Report: Tephroseris palustris. B.C. Minist. of Environment. Available: https://a100.gov.bc.ca/pub/eswp/ (accessed Jun 7, 2026).