Amandinea punctata Caliciaceae
Amandinea punctata

Growth type crustose
Chemical reactions usually negative, occasionally K+ pale yellow.

Tolerant of pollution and inorganic fertilisers and is common on nutrient-rich bark and wood. Also found on stony debris and bird-perching rocks

Can be very variable. Thallus is pale grey to dark greenish-grey rarely with a darker prothallus. The flat or slightly convex small black apothecia have thin margins. Spores 1-septate, 10-18 x 5-10 Ám, becoming brown when mature. Pycnidia sparse. Microscope photographs below.

Similar: Lecidella elaeochroma. C+ orange, UV+ orange. Simple spores. Amandinea lecideina is infrequent, on siliceous coastal rocks


Amandinea punctata

Amandinea punctata

Amandinea punctata

Microscope photographs
Amandinea punctata

Amandinea punctata

Amandinea punctata
Amandinea punctata
Parkstone, Upton Park and Lytchett Minster, Dorset. December 2012, January 2013, December 2016

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