VU

Upright Pottia

Microbryum rectum

UnknownLCEULCEU

Overview

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

Upright Pottia faces severe decline due to habitat degradation from agricultural intensification and urban development across its European range. The species' specialized requirements for calcareous soils and open, disturbed ground make it particularly vulnerable to changes in land management practices. Climate change compounds these pressures by altering precipitation patterns that affect the moss's reproductive cycles and spore dispersal.

Threat summary

Habitat

Upright Pottia grows on calcareous soils in open, disturbed habitats including quarries, road verges, waste ground, and traditional agricultural margins. The species requires well-drained, alkaline substrates with minimal vegetation cover and periodic disturbance to maintain suitable growing conditions.

Other threatened species in Pottiaceae

VU

Rigid Aloe-moss

Aloina rigida

Unknown
VU

Rufous Beard-moss

Bryoerythrophyllum ferruginascens

Unknown
Heim's PottiaVU

Heim's Pottia

Hennediella heimii

Unknown
VU

Yellow Crisp-moss

Tortella flavovirens

Unknown

Threatened in Algeria

Calidris ferrugineaVU

Calidris ferruginea

Declining
Blind SnailVU

Blind Snail

Cecilioides acicula

Unknown
VU

Small Three-toed Skink

Chalcides minutus

Declining
EN

Chafarinas' Skink

Chalcides parallelus

Declining

Frequently asked questions

Why is Upright Pottia classified as Vulnerable?
Upright Pottia 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. Upright Pottia faces severe decline due to habitat degradation from agricultural intensification and urban development across its European range. The species' specialized requirements for calcareous soils and open, disturbed ground make it particularly vulnerable to changes in land management practices. Climate change compounds these pressures by altering precipitation patterns that affect the moss's reproductive cycles and spore dispersal.
Where does Upright Pottia live?
Upright Pottia occurs in Algeria, Austria, Belgium, Croatia, Denmark, and France (plus 12 other countries). Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Upright Pottia?
The main threats to Upright Pottia 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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