VUVulnerable

blek kryptolav

Absconditella delutula

Unknown

Photo: iNaturalist: (c) Tomás Curtis, some rights reserved (CC BY-NC), uploaded by Tomás Curtis

Overview

Blek kryptolav (Absconditella delutula) is a diminutive crustose lichen forming thin, inconspicuous grayish-green crusts on substrates. This cryptic species plays an important ecological role as a pioneer colonizer and contributes to nutrient cycling in its specialized microhabitats.

Absconditella delutula faces significant threats from habitat degradation due to air pollution, particularly in urban and industrial areas where this crustose lichen grows on bark and rock surfaces. Climate change and atmospheric chemical changes are altering the delicate environmental conditions this species requires, while deforestation and urban development continue to reduce available substrate and suitable microhabitats.
Threat summary

Habitat

This crustose lichen species typically grows on the bark of deciduous and coniferous trees, as well as on siliceous rocks and stone surfaces in temperate forests and woodland edges. It prefers partially shaded locations with moderate humidity levels and clean air conditions.

TERRESTRIAL· major

Other threatened species in Stictidaceae

gul pysslinglav

Thelopsis flaveola

Unknown

Frequently asked questions

Why is blek kryptolav classified as Vulnerable?

blek kryptolav 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. Absconditella delutula faces significant threats from habitat degradation due to air pollution, particularly in urban and industrial areas where this crustose lichen grows on bark and rock surfaces. Climate change and atmospheric chemical changes are altering the delicate environmental conditions this species requires, while deforestation and urban development continue to reduce available substrate and suitable microhabitats.

Where does blek kryptolav live?

blek kryptolav 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 blek kryptolav?

The main threats to blek kryptolav 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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