VU

brun jordtunga

Geoglossum hakelieri

Unknown

Overview

Brun jordtunga (Geoglossum hakelieri) is a distinctive earth tongue fungus characterized by its dark brown to blackish, club-shaped fruiting bodies that emerge from soil in grassland environments. These saprophytic fungi play a crucial ecological role in nutrient cycling by decomposing organic matter in soil and forming associations with grassland plant communities.

Brun jordtunga faces significant threats from habitat degradation and loss of suitable grassland ecosystems due to agricultural intensification and land use changes. The species' specialized ecological requirements and apparent rarity across its range make it particularly vulnerable to environmental pressures and climate-related shifts in habitat conditions.

Threat summary

Habitat

This earth tongue fungus occurs in nutrient-poor grasslands, particularly old pastures and semi-natural grassland communities with low soil fertility. It typically grows in short, grazed turf on calcareous or neutral soils in open, unimproved grassland habitats.

TERRESTRIAL· major

Other threatened species in Geoglossaceae

VU

Star Earthtongue

Geoglossum starbaeckii

Unknown
Short-spored EarthtongueVU

Short-spored Earthtongue

Trichoglossum walteri

Unknown
Hairy EarthtongueVU

Hairy Earthtongue

Trichoglossum hirsutum

Unknown
EN

Geoglossum glabrum

Unknown

Frequently asked questions

Why is brun jordtunga classified as Vulnerable?
brun jordtunga 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. Brun jordtunga faces significant threats from habitat degradation and loss of suitable grassland ecosystems due to agricultural intensification and land use changes. The species' specialized ecological requirements and apparent rarity across its range make it particularly vulnerable to environmental pressures and climate-related shifts in habitat conditions.
Where does brun jordtunga live?
brun jordtunga 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 brun jordtunga?
The main threats to brun jordtunga 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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