Français English

Phlyctis agelaea (Ach.) Flot. Old & dry.

Synonyms:

Family: PHLYCTIDACEAE

Habitat: Oceanic zone

Description

    Thallus crustose, to 5-12 cm across, more or less cracked or verrucose, white-greyish, whitish, without soralia, prothallus white, delimiting. Apothecia deeply immersed, clustered by 2 to 4 at the center of flattened warts, irregular, powdery or granular, 0.2-0.5 mm diam., disc brown greyish, reddish, inconspicuous owing to dense pruine. Ascii 2-spored. Ascospores muriform, broadly ellipsoid, apiculate, colourless then brownish, 45-80 x12-30 µm. C-, K+ yellow > red, KC + red, Pd+ orange, UV-. Rare, on more or less smooth barks of trees (except resinous) in sheltered and weakly lit areas. See Pertusaria multipuncta which is K+ yellow.*







Phlyctis agelaea Old & dry Tromel 1
Bernard BOUFFINIER



Phlyctis agelaea Old & dry Camaret 2
Bernard BOUFFINIER



Phlyctis agelaea Old & dry Camaret 1
Bernard BOUFFINIER



Phlyctis agelaea Old & dry Lesteven 3
Bernard BOUFFINIER



Phlyctis agelaea Old & dry Lesteven 2
Bernard BOUFFINIER



Phlyctis agelaea Old & dry Lesteven 1
Bernard BOUFFINIER



Phlyctis agelaea Old & dry Landévennec 1
Bernard BOUFFINIER



Phlyctis agelaea Old & dry Tromel 2
Bernard BOUFFINIER



Phlyctis agelaea Old & dry Tromel 3
Bernard BOUFFINIER



Phlyctis agelaea Old & dry Tromel 4
Bernard BOUFFINIER



Phlyctis agelaea Asque Lugol Crozon 1
Jacques HAINE



Phlyctis agelaea Coupe Lugol Crozon S13
Jacques HAINE



Phlyctis agelaea Asque eau Crozon 1
Jacques HAINE



Return
Content : Alain Gérault - Website development : Sylvain Ard - Hosting : Online.net