Irish lichens

Lecania naegelii

Order: Lecanorales       Family: Incertae sedis

Species: Lecania naegelii

Growth type crustose.
Photos: On Ash and Oak twigs. Co. Cork, SW Ireland.

Thallus pale-yellowish, green or greyish-green, often forming small patches among other species. Tiny, flat to convex apothecia (0.2-0.6mm), the discs white, bluish, brown-grey or black, often piebald when wet. Weakly developed thalline margins, usually paler than discs. Apothecia are best seen with a hand lens. Spores often bent, 3(-5) septate, 13-24 x 4-5 Ám. Paraphyses unbranched. Microscope photographs below. Chemical reactions negative.

Usually in Xanthorion communities on nutrient-rich twigs and bark. Very frequent on Ash, widespread but under-recorded in Ireland.

Similar: Micarea peliocarpa, C+ red, branched paraphyses


Lecania naegelii


Lecania naegelii


Lecania naegelii

Microscope photographs
Lecania naegelii


Lecania naegelii


Lecania naegelii
Lecania naegelii January 2010, March and April 2012

All images used are copyright. Please contact me if you find errors.