VU

Heller's Notchwort

Crossocalyx hellerianus

UnknownLCEULCEU

Overview

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

Heller's Notchwort faces severe pressure from habitat degradation in its limited range across tropical montane forests. The species is particularly vulnerable to forest fragmentation and conversion of native woodlands for agricultural expansion. Climate change poses an additional threat as shifting temperature and precipitation patterns alter the delicate moisture conditions required for this bryophyte's survival.

Threat summary

Habitat

Heller's Notchwort inhabits humid montane forests, typically growing on decaying logs, tree bark, and moist soil in shaded understory environments. The species requires consistent moisture levels and stable microclimatic conditions found in undisturbed tropical forest ecosystems.

Other threatened species in Anastrophyllaceae

Orkney NotchwortVU

Orkney Notchwort

Anastrepta orcadensis

Unknown
Bearded PawwortCR

Bearded Pawwort

Barbilophozia barbata

Unknown
Atlantic PawwortVU

Atlantic Pawwort

Orthocaulis atlanticus

Unknown
EN

Hatcher's Pawwort

Barbilophozia hatcheri

Unknown

Frequently asked questions

Why is Heller's Notchwort classified as Vulnerable?
Heller's Notchwort 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. Heller's Notchwort faces severe pressure from habitat degradation in its limited range across tropical montane forests. The species is particularly vulnerable to forest fragmentation and conversion of native woodlands for agricultural expansion. Climate change poses an additional threat as shifting temperature and precipitation patterns alter the delicate moisture conditions required for this bryophyte's survival.
Where does Heller's Notchwort live?
Heller's Notchwort 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 Heller's Notchwort?
The main threats to Heller's Notchwort 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.

Get weekly conservation intelligence

One short digest a week of the most striking species and country data we ship, plus breaking conservation news paired with our database where it matters.

Free, no spam. One-click unsubscribe in every email.