limbergsfibbla
Hieracium phaleratum
Limbergsfibbla (Hieracium phaleratum) is a rare perennial hawkweed species characterized by its distinctive pale yellow flower heads and deeply lobed basal leaves with silvery-white undersides. This specialized alpine plant serves as a crucial pollinator resource for high-altitude insects and contributes to soil stabilization on steep mountain slopes through its extensive root system.
Taxonomy & Classification
Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Asterales
Family
Asteraceae
Genus
Hieracium
limbergsfibbla belongs to the family Asteraceae, order Asterales, within the Magnoliopsida class.
Species Profile
Limbergsfibbla (Hieracium phaleratum) is a rare perennial hawkweed species characterized by its distinctive pale yellow flower heads and deeply lobed basal leaves with silvery-white undersides. This specialized alpine plant serves as a crucial pollinator resource for high-altitude insects and contributes to soil stabilization on steep mountain slopes through its extensive root system.
Hieracium phaleratum faces severe population decline primarily due to habitat loss from agricultural intensification and urban development in its limited alpine and subalpine range. Climate change poses an additional threat by shifting suitable habitat zones upward in elevation, reducing available habitat area. The species' restricted distribution and small population size make it particularly vulnerable to stochastic events and genetic bottlenecks.
Key Facts
Habitat & Distribution
Limbergsfibbla occupies narrow ledges and crevices in limestone cliff faces at elevations between 2,200-2,800 meters. The species requires well-drained calcareous soils with consistent moisture from snowmelt and thrives in partially shaded microsites protected from harsh alpine winds.
Threats
IUCN Red List: Critically Endangered
Hieracium phaleratum faces severe population decline primarily due to habitat loss from agricultural intensification and urban development in its limited alpine and subalpine range. Climate change poses an additional threat by shifting suitable habitat zones upward in elevation, reducing available habitat area. The species' restricted distribution and small population size make it particularly vulnerable to stochastic events and genetic bottlenecks.
Climate change and upward habitat shift
Habitat loss from agricultural intensification
Urban development and infrastructure expansion
Grazing pressure from livestock
Small population size and genetic bottlenecks
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
This page: SpeciesRadar (2025). limbergsfibbla (Hieracium phaleratum). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/limbergsfibbla