
Yellow Marsh Saxifrage
Saxifraga hirculus
**Yellow Marsh Saxifrage (Saxifraga hirculus)** The Yellow Marsh Saxifrage is a small perennial herb distinguished by its bright yellow, five-petaled flowers and narrow, lance-shaped leaves. Growing 10-30 cm tall, this Arctic-alpine plant produces solitary flowers on slender stems during summer months.
42
Countries
Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Saxifraga_hirculus
Taxonomy & Classification
Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Saxifragales
Family
Saxifragaceae
Genus
Saxifraga
Yellow Marsh Saxifrage belongs to the family Saxifragaceae, order Saxifragales, within the Magnoliopsida class.
Species Profile
**Yellow Marsh Saxifrage (Saxifraga hirculus)** The Yellow Marsh Saxifrage is a small perennial herb distinguished by its bright yellow, five-petaled flowers and narrow, lance-shaped leaves. Growing 10-30 cm tall, this Arctic-alpine plant produces solitary flowers on slender stems during summer months. The species plays a role in wetland ecosystems by providing nectar for pollinators and contributing to plant community diversity in harsh northern environments. This circumpolar species inhabits wet, calcareous soils in marshes, fens, and boggy areas across northern regions. Its range extends from Scandinavia and northern Britain through Russia and Central Asia to North America, including Alaska, Canada, and parts of the northern United States. The plant typically occurs at elevations from sea level to alpine zones, preferring areas with consistent moisture and mineral-rich substrates. The species faces significant threats from habitat loss due to drainage of wetlands for agriculture and development. Climate change poses additional challenges, as warming temperatures alter the hydrology of its specialized bog and fen habitats. In many regions, particularly in Central and Western Europe, populations have declined due to intensive land use and water table modifications. Conservation efforts include habitat protection through nature reserves and wetland restoration projects in several countries. Some populations receive monitoring through national biodiversity programs, and the species is legally protected in parts of its range, including the United Kingdom where it survives in only a few Scottish locations. The current outlook remains concerning, with the species classified as Endangered globally. While some northern populations appear stable, continued habitat pressures and climate change suggest ongoing vulnerability across much of its range.
Yellow Marsh Saxifrage is declining primarily due to habitat loss and degradation of wetland ecosystems through drainage, agricultural conversion, and development. Climate change poses an additional threat by altering the hydrology and temperature regimes of the specialized bog and fen habitats this species requires.
Key Facts
Threats
IUCN Red List: Endangered
Yellow Marsh Saxifrage is declining primarily due to habitat loss and degradation of wetland ecosystems through drainage, agricultural conversion, and development. Climate change poses an additional threat by altering the hydrology and temperature regimes of the specialized bog and fen habitats this species requires.
Urban and infrastructure development
Wetland drainage and conversion to agriculture
Changes in water quality and nutrient levels
Climate change altering wetland hydrology
Habitat fragmentation
Found in 42 Countries
National vs Global Threat Status
How this species is assessed at the national level compared to its IUCN global status (EN).
| Country | National Status | Global Status | Comparison |
|---|---|---|---|
| EU | DDData Deficient | ENEndangered | Lower local risk |
| EU | DDData Deficient | ENEndangered | Lower local risk |
National Red List data sourced from the National Red List Project (nationalredlist.org, ZSL) and country-specific Red List authorities.
Community Sightings
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Sources & Attribution
How to Cite
IUCN: IUCN (2025). The IUCN Red List of Threatened Species. Version 2025-1. Available at: https://www.iucnredlist.org. doi:10.2305/IUCN.UK.2025-1.RLTS
GBIF: GBIF.org (2025). GBIF Home Page. Available at: https://www.gbif.org
National Red Lists: ZSL (2025). National Red List. Zoological Society of London. Available at: https://www.nationalredlist.org
This page: SpeciesRadar (2025). Yellow Marsh Saxifrage (Saxifraga hirculus). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/yellow-marsh-saxifrage