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Dendrographa decolorans (Turner & Borrer ex Sm.) Ertz & Tehler = Schismatomma decolorans (Turner & Borrer ex Sm.) Clauzade & Vezda

Dendrographa decolorans (Turner & Borrer ex Sm.) Ertz & Tehler

= Schismatomma decolorans (Turner & Borrer ex Sm.) Clauzade & Vezda

Synonyms:

Schismatomma decolorans (Turner & Borrer ex Sm.) Clauzade & Vezda



Family: ROCCELLACEAE

Habitat: Ubiquitous

Description

    Thallus crustose, thin crust forming, more or less cracked, pale grey, grey-greenish, pale grey-brown, dull brownish, often with characteristic violet or lilac tinge (but disappearing in herbarium), covered with farinose soralia, concolourous or sligtly paler, grey-mauve very rarely ochraceous, often very numerous and possibly giving a leprose aspect to the thallus, darker inconspicuous hypothallus. Apothecia very rare, elongated or circular, irregular in shape, 0.8-1.3 mm diam., pruinose. Ascospores elongate, curve, 1-septate, 30-37 x 4-5 µm. Photobiont: Trentepohlia (characterized by orange scars). C-, K-, KC-, Pd-. On bark of deciduous trees and notably Quercus, in more or less dry habitat (avoid humidity), very rare on rocks.

N.B. Species which is distinguished from other similar species by its all negative colored chemical reactions.
 
N.B. If no soralia and C+ red, think of Pachnolepia (Arthonia) pruinata.
 
N.B. Syncesia myrticola morpho soredié = Enterographa sorediata can be very similar but is Pd+ rust-red (especially under UV).
 
N.B. Snippocia nivea is Pd+ orange and has a brownish and fimbriated
hypothallus.
 
N.B. Often comes mixed with Enterographa crassa.
 
N.B. The form with apothecia = Dendrographa decolorans morpho albocinctum is rare and Mediterranean.
 
 

 





Dendrographa decolorans (Turner & Borrer ex Sm.) Ertz & Tehler
= Schismatomma decolorans (Turner & Borrer ex Sm.) Clauzade & Vezda

Schismatomma decolorans Monthermé 1
Jacques HAINE

Dendrographa decolorans (Turner & Borrer ex Sm.) Ertz & Tehler
= Schismatomma decolorans (Turner & Borrer ex Sm.) Clauzade & Vezda

Schismatomma decolorans Monthermé 2
Jacques HAINE

Dendrographa decolorans (Turner & Borrer ex Sm.) Ertz & Tehler
= Schismatomma decolorans (Turner & Borrer ex Sm.) Clauzade & Vezda

Schismatomma decolorans Monthermé 3
Jacques HAINE

Dendrographa decolorans (Turner & Borrer ex Sm.) Ertz & Tehler
= Schismatomma decolorans (Turner & Borrer ex Sm.) Clauzade & Vezda

Dendrographa decolorans et Enterographa crassa Chateaulin 1
Bernard BOUFFINIER

Dendrographa decolorans (Turner & Borrer ex Sm.) Ertz & Tehler
= Schismatomma decolorans (Turner & Borrer ex Sm.) Clauzade & Vezda

Schismatomma decolorans Abbaye du Relecq 1
Bernard BOUFFINIER

Dendrographa decolorans (Turner & Borrer ex Sm.) Ertz & Tehler
= Schismatomma decolorans (Turner & Borrer ex Sm.) Clauzade & Vezda

Schismatomma decolorans Abbaye du Relecq 2
Bernard BOUFFINIER

Dendrographa decolorans (Turner & Borrer ex Sm.) Ertz & Tehler
= Schismatomma decolorans (Turner & Borrer ex Sm.) Clauzade & Vezda

Schismatomma decolorans Sur Ă©corce de chĂȘne. Canal, ChĂąteaulin (Avec Enterographa sorediata).
Bernard BOUFFINIER

Dendrographa decolorans (Turner & Borrer ex Sm.) Ertz & Tehler
= Schismatomma decolorans (Turner & Borrer ex Sm.) Clauzade & Vezda

Schismatomma decolorans Locronan 1
Bernard BOUFFINIER

Dendrographa decolorans (Turner & Borrer ex Sm.) Ertz & Tehler
= Schismatomma decolorans (Turner & Borrer ex Sm.) Clauzade & Vezda

Schismatomma decolorans Locronan 2
Bernard BOUFFINIER

Dendrographa decolorans (Turner & Borrer ex Sm.) Ertz & Tehler
= Schismatomma decolorans (Turner & Borrer ex Sm.) Clauzade & Vezda

Schismatomma decolorans Carteret 1
Bernard BOUFFINIER

Dendrographa decolorans (Turner & Borrer ex Sm.) Ertz & Tehler
= Schismatomma decolorans (Turner & Borrer ex Sm.) Clauzade & Vezda

Schismatomma decolorans et Lecanora expallens Carteret 2
Bernard BOUFFINIER

Dendrographa decolorans (Turner & Borrer ex Sm.) Ertz & Tehler
= Schismatomma decolorans (Turner & Borrer ex Sm.) Clauzade & Vezda

Schismatomma decolorans et Lecanora expallens Carteret 3
Bernard BOUFFINIER

Dendrographa decolorans (Turner & Borrer ex Sm.) Ertz & Tehler
= Schismatomma decolorans (Turner & Borrer ex Sm.) Clauzade & Vezda

Schismatomma decolorans Carteret 4
Bernard BOUFFINIER

Dendrographa decolorans (Turner & Borrer ex Sm.) Ertz & Tehler
= Schismatomma decolorans (Turner & Borrer ex Sm.) Clauzade & Vezda

Schismatomma decolorans Carteret 5
Bernard BOUFFINIER

Dendrographa decolorans (Turner & Borrer ex Sm.) Ertz & Tehler
= Schismatomma decolorans (Turner & Borrer ex Sm.) Clauzade & Vezda

Dendrographa decolorans Landévennec 1
Bernard BOUFFINIER

Dendrographa decolorans (Turner & Borrer ex Sm.) Ertz & Tehler
= Schismatomma decolorans (Turner & Borrer ex Sm.) Clauzade & Vezda

Dendrographa decolorans Landévennec 2
Bernard BOUFFINIER

Dendrographa decolorans (Turner & Borrer ex Sm.) Ertz & Tehler
= Schismatomma decolorans (Turner & Borrer ex Sm.) Clauzade & Vezda

Dendrographa decolorans Landévennec 3
Bernard BOUFFINIER

Dendrographa decolorans (Turner & Borrer ex Sm.) Ertz & Tehler
= Schismatomma decolorans (Turner & Borrer ex Sm.) Clauzade & Vezda

Dendrographa decolorans et Enterographa crassa Chateaulin 2
Bernard BOUFFINIER

Dendrographa decolorans (Turner & Borrer ex Sm.) Ertz & Tehler
= Schismatomma decolorans (Turner & Borrer ex Sm.) Clauzade & Vezda

Dendrographa decolorans et Enterographa crassa Chateaulin 3
Bernard BOUFFINIER



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