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Parmeliella triptophylla  (Ach.) Müll. Arg.

Synonyms:

Family: PANNARIACEAE

Habitat: Oceanic zone

Description

    Thallus foliose, more or less rosette-forming, 5-10 cm diam., composed of minute squamules, <1 mm, slightly indented towards margin, margin sometimes upturned, grey-brownish, grey-olive, lead-grey, hypothallus conspicuous, wide and exceeding thallus rim, black, blue-black; covered, sometimes almost entirely with terete or digitate, erect isidia, greyish, grey-olive, mixed with minute pale grey lobules; overall appearence dark. Apothecia rare, 1 mm diam. disc flat, brown-red turning dark brown, proper exciple paler. Ascospores simple, colourless, broadly ellipsoid, 10-17 x 5-8 µm. Photobiont: Nostoc. Chemical spot tests negative. Rare in our prospection area, on mossy deciduous tree trunks in oceanic woodlands. N.B. Some morphotypes of Pannaria conoplea might be confusing but the overall appearence is much more blue. See also Parmeliella testacea of which squamules are larger and without prothallus at the edge.







Parmeliella triptophylla ForĂȘt du Cranou 1
Bernard BOUFFINIER



Parmeliella triptophylla Avec apothĂ©cies ForĂȘt du Cranou 2
Bernard BOUFFINIER



Parmeliella triptophylla ApothĂ©cies ForĂȘt du Cranou 3
Bernard BOUFFINIER



Parmeliella triptophylla ForĂȘt du Cranou 4
Bernard BOUFFINIER



Parmeliella triptophylla ForĂȘt du Cranou 5
Michel DAVID



Parmeliella triptophylla ForĂȘt du Cranou 6
Michel DAVID



Parmeliella triptophylla ForĂȘt du Cranou 7
Michel DAVID



Parmeliella triptophylla ForĂȘt du Cranou 8
Michel DAVID



Parmeliella triptophylla ForĂȘt du Cranou 9
Michel DAVID



Parmeliella triptophylla Humide ForĂȘt du Cranou 10
Bernard BOUFFINIER



Parmeliella triptophylla Avec apothĂ©cies ForĂȘt du Cranou 11
Michel DAVID



Parmeliella triptophylla Avec apothĂ©cies Fertile ForĂȘt du Cranou 12
Michel DAVID



Parmeliella triptophylla Source de la Bidouze Pays Basque S1
Bernard BOUFFINIER



Parmeliella triptophylla Source de la Bidouze Pays Basque S2
Bernard BOUFFINIER



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