EN

Elaphoglossum austromarquesense

Unknown

Overview

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

Elaphoglossum austromarquesense faces severe threats from habitat degradation on its restricted Marquesas Islands range. The species is particularly vulnerable to invasive plant species that alter the native forest understory where this epiphytic fern grows. Climate change poses additional risks through altered precipitation patterns and increased storm intensity, which can damage the humid microhabitats essential for this moisture-dependent species.

Threat summary

Habitat

This epiphytic fern inhabits the humid montane forests of the Marquesas Islands, typically growing on tree trunks and branches in the forest understory. It requires consistently moist conditions and is found in areas with high humidity and filtered sunlight beneath the forest canopy.

Other threatened species in DRYOPTERIDACEAE

VU

Madeira Holly Fern

Arachniodes webbiana

Stable
EN

Dryopteris amblyodonta

Unknown
EN

Elaphoglossum beddomei

Declining
EN

Polystichum kenwoodii

Declining

Frequently asked questions

Why is Elaphoglossum austromarquesense classified as Endangered?
Elaphoglossum austromarquesense is classified as Endangered — facing a very high risk of extinction in the wild — because population numbers are declining steeply and key habitats are under sustained pressure. Elaphoglossum austromarquesense faces severe threats from habitat degradation on its restricted Marquesas Islands range. The species is particularly vulnerable to invasive plant species that alter the native forest understory where this epiphytic fern grows. Climate change poses additional risks through altered precipitation patterns and increased storm intensity, which can damage the humid microhabitats essential for this moisture-dependent species.
Where does Elaphoglossum austromarquesense live?
Elaphoglossum austromarquesense 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 Elaphoglossum austromarquesense?
The main threats to Elaphoglossum austromarquesense 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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