VU

Mahonia microphylla

Unknown

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

Mahonia microphylla faces significant pressure from habitat conversion as its montane forest ecosystems are cleared for agriculture and urban development. The species' restricted range in the mountains of western North America makes it particularly vulnerable to climate change, as warming temperatures force suitable habitat to higher elevations with limited available space. Overgrazing by livestock in some areas has degraded the understory vegetation where this shrub naturally occurs.

Threat summary

Habitat

Mahonia microphylla inhabits montane coniferous forests and woodland edges at elevations between 1,500-3,000 meters in the western United States and southwestern Canada. The species typically grows in the understory of pine, fir, and spruce forests, preferring well-drained soils on rocky slopes and canyon walls.

Other threatened species in BERBERIDACEAE

VU

Berberis johnstonii

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EN

Berberis incerta

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EN

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VU

Mahonia oiwakensis

Unknown

Frequently asked questions

Why is Mahonia microphylla classified as Vulnerable?
Mahonia microphylla is classified as Vulnerable because the population is declining and the species faces a high risk of extinction in the medium-term future if current pressures continue. Mahonia microphylla faces significant pressure from habitat conversion as its montane forest ecosystems are cleared for agriculture and urban development. The species' restricted range in the mountains of western North America makes it particularly vulnerable to climate change, as warming temperatures force suitable habitat to higher elevations with limited available space. Overgrazing by livestock in some areas has degraded the understory vegetation where this shrub naturally occurs.
Where does Mahonia microphylla live?
Mahonia microphylla occurs in across multiple regions. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Mahonia microphylla?
The main threats to Mahonia microphylla are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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