CR

Sphaerolejeunea umbilicata

Unknown

Overview

Lejeunea drehwaldii, synonym Sphaerolejeunea umbilicata, is a species of liverwort in the family Lejeuneaceae. It is endemic to Colombia. Its natural habitat is subtropical or tropical moist lowland forests.

Sphaerolejeunea umbilicata faces severe threats from deforestation and habitat degradation across its limited range in tropical montane forests. The species' extremely restricted distribution makes it particularly vulnerable to localized disturbances, while climate change poses additional risks through altered precipitation patterns and temperature regimes that could disrupt the humid microhabitats essential for this bryophyte's survival.

Threat summary

Habitat

This critically endangered liverwort inhabits humid tropical montane forests, typically growing as an epiphyte on tree bark and branches in cloud forest environments. The species requires consistently moist conditions and is found in areas with high humidity and stable microclimatic conditions.

Forest· majorForest - Subtropical/tropical moist montane· major

Other threatened species in LEJEUNEACEAE

EN

Cheilolejeunea cedercreutzii

Declining
EN

Cololejeunea madeirensis

Declining
EN

Drepanolejeunea aculeata

Unknown
EN

Symbiezidium madagascariense

Unknown

Frequently asked questions

Why is Sphaerolejeunea umbilicata classified as Critically Endangered?
Sphaerolejeunea umbilicata is classified as Critically Endangered — facing an extremely high risk of extinction in the wild — because population sizes are very small, declining sharply, or restricted to a tiny range. Sphaerolejeunea umbilicata faces severe threats from deforestation and habitat degradation across its limited range in tropical montane forests. The species' extremely restricted distribution makes it particularly vulnerable to localized disturbances, while climate change poses additional risks through altered precipitation patterns and temperature regimes that could disrupt the humid microhabitats essential for this bryophyte's survival.
Where does Sphaerolejeunea umbilicata live?
Sphaerolejeunea umbilicata 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 Sphaerolejeunea umbilicata?
The main threats to Sphaerolejeunea umbilicata 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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