Lichens marins - Phaeophyscia endococcina (Körb.) Moberg

Phaeophyscia endococcina (Körb.) Moberg

Phaeophyscia endococcina (Körb.) Moberg

Physcia endochroidea Nyl.

Physcia endococcina (Körb.) Th. Fr.

Description

Thallus foliose formed by incised lobes, more or less separated from each other and arranged in a rosette 2-5 cm in diameter strongly attached to its substrate; upper surface of the lobes pale greyish to gray-brownish in dry weather, gray-greenish in wet weather, underside blackish with numerous black rhizines. White medulla turning orange with age. Apothecia usually numerous, sessile, 0.5-1.5 mm in diameter, flat disc, greyish-brown, concolorous margin on the thallus sometimes a little crenate. Spores broadly elliptical, greyish-brown, once septate, 18-24 x 9-11 µm. Photobiont: trebouxioid. Medulla: C-, K-, KC-, P- in the places where it is white but K + purple in the orange places. Species with mountain tendencies coming on rocks or acid bark in the forests of humid ravines.

Phaeophyscia endococcina DrÃ´me 600 m
Jacques HAINE

Phaeophyscia endococcina DrÃ´me 600 m 2
Jacques HAINE

Phaeophyscia endococcina DrÃ´me 600 m 3
Jacques HAINE

Phaeophyscia endococcina DrÃ´me 600 m 4
Jacques HAINE

Phaeophyscia endococcina DrÃ´me 600 m 5
Jacques HAINE

Phaeophyscia endococcina Photobionte eau DrÃ´me 600 m 7
Jacques HAINE

Phaeophyscia endococcina Asque eau DrÃ´me 600 m 8
Jacques HAINE

Phaeophyscia endococcina Spores eau DrÃ´me 600 m 9
Jacques HAINE

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