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Limpleaf Fern

Microlepia speluncae

Unknown

Overview

The Limpleaf Fern (Microlepia speluncae) is a delicate terrestrial fern characterized by its thin, translucent fronds and creeping rhizomes that form dense colonies in suitable habitats. This species plays an important ecological role in preventing soil erosion and providing microhabitat for small invertebrates in cave entrances and shaded rocky areas. Its distinctive limber fronds give the species its common name and help it withstand air currents in its specialized environments.

Limpleaf Fern (Microlepia speluncae) faces severe population declines primarily due to habitat destruction from urban development and agricultural expansion in its limited range. The species' restriction to specific cave and rocky outcrop environments makes it particularly vulnerable to localized disturbances and environmental changes.

Threat summary

Habitat

Limpleaf Fern inhabits the twilight zones of limestone caves, growing on moist rocky substrates near cave entrances where filtered light and consistent humidity create ideal conditions. The species also occurs on shaded limestone cliffs and in deep rocky crevices where similar cool, humid microclimates persist year-round.

Other threatened species in Dennstaedtiaceae

CR

Paesia glandulosa

Unknown

Frequently asked questions

Why is Limpleaf Fern classified as Endangered?
Limpleaf Fern 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. Limpleaf Fern (Microlepia speluncae) faces severe population declines primarily due to habitat destruction from urban development and agricultural expansion in its limited range. The species' restriction to specific cave and rocky outcrop environments makes it particularly vulnerable to localized disturbances and environmental changes.
Where does Limpleaf Fern live?
Limpleaf Fern 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 Limpleaf Fern?
The main threats to Limpleaf Fern 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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