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Squamarina lentigera (Weber) Poelt

Synonyms:

Family: STEREOCAULACEAE

Habitat: Ubiquitous

Description

    Thallus forming rosettes, to 5-6 cm diam., made of numerous squamules, 1-2 mm wide, apices rounded and folded, upper surface very minutely felted, pruinose, white-chalk, white-glaucous, lower surface concolourous. Apothecia usually numerous, sessile, 2-3 mm diam., disc slightly concave, then flat and later slightly convex when mature, pale carnation-brown, pale beige-pink, exciple thin, white, excluded at maturity. Ascospores ellipsoid, colourless, simple, 12-15 (16) x 4-5 µm (according to our measurements that give sizes larger than usually found in literature). Photobiont: Chlorococoïd. Medulla : C-, K-, Pd-. Rare in our prospection area, since limited to dry calcareous dunes enriched in shell debris. Very often in association with Fulgensia fulgens and Toninia sedifolia of Toninion caeruleonigricantis.*







Squamarina lentigera La Palue 1
Alain GERAULT



Squamarina lentigera La Palue 3
Alain GERAULT



Squamarina lentigera La Palue 2
Alain GERAULT



Squamarina lentigera La Palue
Michel DAVID



Squamarina lentigera La Palue 6
Michel DAVID



Squamarina lentigera La Palue 5
Michel DAVID



Squamarina lentigera La Palue 4
Michel DAVID



Squamarina lentigera La Palue 7
Michel DAVID



Squamarina lentigera Asques et paraphyses La Palue 8
Jacques HAINE



Squamarina lentigera Asques avec spores La Palue 9
Jacques HAINE



Squamarina lentigera Coup d'apothécie La Palue 10
Jacques HAINE



Squamarina lentigera Spores eau La Palue 11
Jacques HAINE



Squamarina lentigera La Palue 12
Michel DAVID



Squamarina lentigera La Palue 13
Michel DAVID



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