(fi: isorustojäkälä, sv: brosklav)

Ramalina fraxinea

Description

Fruticose macrolichen.

Distribution in Finland

Sporadic in southern and central Finland.

Growing form

Size

3–30 cm.

Thallus

Fruitbody

Algal partner

Green alga (Trebouxia).

Habitat

Mainly in gardens, parks and other cultural habitats.

Substrate

On trunks and thick branches of ash, maple and other deciduous trees.

Endangered status in Finland

ENDANGERED CATEGORY (International Union for Conservation of Nature (IUCN) classification)

IUCN threat classifications

CR Critically endangered

EN Endangered

VU Endangered

NT Near threatened

LC Least concern

2019 LC - least concern

2010 LC - least concern

2000 LC - least concern

Regulations

Regionally Threatened 2020 - 3a Middle boreal, Ostrobothnia

Regional assessment of threatened species 2020 has been carried out in a national assessment for species of bryophytes, vascular plants, fungi, lichens, butterflies and moths and birds classified as Least Concern (LC) and Near Threatened (NT). Species assessed as being regionally threatened are classified as RT (Regionally Threatened).