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 µm. 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

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