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Melanohalea exasperata (De Not.) O. Blanco & al.

Melanohalea exasperata (De Not.) O. Blanco & al.

Synonyms:

Melanelia exasperata (De Not.) Essl.



Family: PARMELIACEAE

Habitat: Oceanic zone

Description

    Thallus foliose, rosette-forming, 2-6 cm diam., lobes tightly appressed, apices rounded, flexible, upper surface with numerous papillae (small wart-like protuberances), tips plane to concave, minute volcano crater-like (pseudocyphella), bright green to dark green when moist, brown-greenish when dry, lower surface pale brown with simple rhizines, brown towards the center and cream towards the margin. Apothecia bowl-shaped, sessile, 2-6 mm diam., disc flat, green to brownish, exciple with numerous warts or papillae. Ascospores simple, ellipsoid, 9-12 x 5-6 µm. Photobiont: trebouxioid. Chemical spot tests negative. Rare, maritime trends, on branches and twigs of deciduous trees. In case of sterile specimen, see also Melanelixia subaurifera.*





Melanohalea exasperata (De Not.) O. Blanco & al.

Melanohalea exasperata Crozon 4
Michel DAVID

Melanohalea exasperata (De Not.) O. Blanco & al.

Melanohalea exasperata Crozon 5
Michel DAVID

Melanohalea exasperata (De Not.) O. Blanco & al.

Melanohalea exasperata Crozon 2
Bernard BOUFFINIER

Melanohalea exasperata (De Not.) O. Blanco & al.

Melanohalea exasperata Crozon 1
Bernard BOUFFINIER

Melanohalea exasperata (De Not.) O. Blanco & al.

Melanohalea exasperata Crozon 3
Bernard BOUFFINIER

Melanohalea exasperata (De Not.) O. Blanco & al.

Melanohalea exasperata Drôme
Jacques HAINE

Melanohalea exasperata (De Not.) O. Blanco & al.

Melanohalea exasperata Crozon 6
Bernard BOUFFINIER

Melanohalea exasperata (De Not.) O. Blanco & al.

Melanohalea exasperata Lac d'Estaing
Bernard BOUFFINIER

Melanohalea exasperata (De Not.) O. Blanco & al.

Melanohalea exasperata Crozon 7
Bernard BOUFFINIER

Melanohalea exasperata (De Not.) O. Blanco & al.

Melanohalea exasperata Crozon 12
Bernard BOUFFINIER

Melanohalea exasperata (De Not.) O. Blanco & al.

Melanohalea exasperata Crozon 10
Bernard BOUFFINIER

Melanohalea exasperata (De Not.) O. Blanco & al.

Melanohalea exasperata Crozon 9
Bernard BOUFFINIER

Melanohalea exasperata (De Not.) O. Blanco & al.

Melanohalea exasperata Crozon 8
Bernard BOUFFINIER

Melanohalea exasperata (De Not.) O. Blanco & al.

Melanohalea exasperata Drôme Remuzat 1
Jacques HAINE



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