Bilimbia sabuletorum Incertae sedis
Bilimbia sabuletorum

Growth type crustose
Chemical results negative. Upper part of hypothecium K+ reddish or purple

On plant debris or over-growing moss on calcareous rocks, turf or mortared walls and on the shaded trunks of old trees.

White or pale grey, coarse or scurfy granular thallus, sometimes evanescent. Convex, +/- rounded apothecia, very variable in colour; discs can be pinkish-brown, brown to dark brown or black. Spores 3-7 septate, 18-40 x 5-8 Ám, perispore often finely-warted. Micro photograph below.

Similar: Bilimbia lobulata is +/- squamulose with shorter spores.
Bacidia bagliettoana. Darker discs, narrower acicular spores, 2-3 Ám wide


Bilimbia sabuletorum


Bilimbia sabuletorum


Bilimbia sabuletorum

Microscope photograph
Bilimbia sabuletorum
Bilimbia sabuletorum
Lychett Matravers and Studland, Dorset. January 2014

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