blek kryptolav
Absconditella delutula
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.
Photo: iNaturalist: (c) Tomás Curtis, some rights reserved (CC BY-NC), uploaded by Tomás Curtis
Taxonomy & Classification
Kingdom
Fungi
Phylum
Ascomycota
Class
Lecanoromycetes
Order
Ostropales
Family
Stictidaceae
Genus
Absconditella
blek kryptolav belongs to the family Stictidaceae, order Ostropales, within the Lecanoromycetes class.
Species Profile
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.
Key Facts
Habitat & Distribution
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.
Threats
Air pollution and atmospheric contamination
Climate change affecting microhabitat conditions
Changes in host tree species composition
Deforestation and habitat loss
Urban development and substrate removal
Community Sightings
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Sources & Attribution
How to Cite
IUCN: IUCN (2025). The IUCN Red List of Threatened Species. Version 2025-1. Available at: https://www.iucnredlist.org. doi:10.2305/IUCN.UK.2025-1.RLTS
GBIF: GBIF.org (2025). GBIF Home Page. Available at: https://www.gbif.org
This page: SpeciesRadar (2025). blek kryptolav (Absconditella delutula). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/blek-kryptolav