Lichens marins - Ochrolechia parella forme des murs.

Ochrolechia parella forme des murs.

Ochrolechia parella forme des murs.

Description

Thallus very strongly attached to the substrate, more or less smooth but quickly cracking, especially in the center, taking on the appearance of dry mud. Sessile apothecia, small, few in number and scattered over the entire thallus, very thick margin barely showing the pale orange-brown disc, Spores broadly ovoid, 50-80 x 30-40 µm according to our measurements. Thallus: C +/- pale yellow, K-, KC +/- yellow, P-. Apothecia disc: C +/- red, KC + red. This unusual form occurs on the shaded walls exposed to the north, in particular chapels surrounded by trees.

Ochrolechia parella forme des murs Folgoet 3
Jacques HAINE

Ochrolechia parella forme des murs Folgoet 2
Jacques HAINE

Ochrolechia parella forme des murs Folgoet 1
Jacques HAINE

Ochrolechia parella forme des murs Folgoet 4
Jacques HAINE

Ochrolechia parella forme des murs Folgoet 5
Jacques HAINE

Ochrolechia parella forme des murs Asques immatures eau Folgoet 7
Jacques HAINE

Ochrolechia parella forme des murs Spores Rouge Congo Folgoet 8
Jacques HAINE

Ochrolechia parella forme des murs Spores Bleu Coton Folgoet 9
Jacques HAINE

Return