CRCritically Endangered

Padron's bristle fern

Trichomanes padronii

Conservation status data sourced from the IUCN Red List of Threatened Species.

01Classification

Taxonomy & Classification

Kingdom

Plantae

Phylum

Tracheophyta

Class

Polypodiopsida

Order

Hymenophyllales

Family

Hymenophyllaceae

Genus

Trichomanes

Padron's bristle fern belongs to the family Hymenophyllaceae, order Hymenophyllales, within the Polypodiopsida class.

02Description

Species Profile

Species profile data sourced from the IUCN Red List of Threatened Species.

Padron's bristle fern faces severe threats from habitat destruction and fragmentation due to deforestation and agricultural expansion in its limited range. The species' restricted distribution and specialized habitat requirements make it extremely vulnerable to environmental changes and human activities. Climate change poses additional risks by altering the humid microclimatic conditions essential for this delicate fern's survival.

Key Facts

IUCN StatusCritically Endangered (CR)
GroupPlants
03Habitat

Habitat & Distribution

This species inhabits humid tropical forests, typically growing as an epiphyte on tree trunks and rocks in shaded, moisture-rich environments. It requires consistently high humidity levels and is found in cloud forests and other montane forest ecosystems with persistent fog or mist.

04Threats

Threats

!

IUCN Red List: Critically Endangered

Padron's bristle fern faces severe threats from habitat destruction and fragmentation due to deforestation and agricultural expansion in its limited range. The species' restricted distribution and specialized habitat requirements make it extremely vulnerable to environmental changes and human activities. Climate change poses additional risks by altering the humid microclimatic conditions essential for this delicate fern's survival.

Agricultural expansion and land conversion

HighOngoing

Climate change altering humidity and temperature regimes

HighOngoing

Habitat loss and fragmentation from deforestation

HighOngoing

Small population size and restricted range

HighOngoing

Collection pressure for horticultural trade

MediumOngoing
Community

Community Sightings

Report a sighting

No community sightings yet. Be the first to report!

07Sources

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). Padron's bristle fern (Trichomanes padronii). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/padrons-bristle-fern

Full citation guide & data usage terms