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Lepra monogona (Nyl.) Hafellner

 

=Pertusaria monogona Nyl.

Synonyms:

Pertusaria monogona Nyl.



Family: OCHROLECHIACEAE

Habitat: Aerohaline zone

Description

    Thallus crustose, rather variable, thick, greyish, tan, cracked, areolate, with more or less elevated tubercles on top of which warts emerge, hosting apothecia, 1-6 apothecia per wart. Apothecia deeply embedded in warts, discs round, flat, black but appearing whitish owing to thick pruine hiding them, exciple thick, uneven, complex, pruinose, whitish. Ascii 1-spored. Ascospores narrowly fusiform, thick walls to 4-5 µm, large, 100-300 x 50-100 µm. Thallus C-, K+ yellow > red, KC+ yellow > yellow-red, Pd+ yellow to orange. On exposed well-lit and sunny rocks of the seashore and inland on rocky ridges. N.B. Probably a fertile morph without soredia of Lepra excludens which is much more common.







Pertusaria monogona Pointe du Raz 1
Bernard BOUFFINIER



Pertusaria monogona Pointe de Pen-Hir 3
Bernard BOUFFINIER



Pertusaria monogona Pointe de Pen-Hir 2
Bernard BOUFFINIER



Pertusaria monogona Pointe de Pen-Hir
Bernard BOUFFINIER



Pertusaria monogona Pointe du Raz 3
Bernard BOUFFINIER



Pertusaria monogona Pointe du Raz 4
Bernard BOUFFINIER



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