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Haematomma ochroleucum (Neck.) J. R. Laundon var. ochroleucum

Haematomma ochroleucum (Neck.) J. R. Laundon var. ochroleucum

Synonyms:

Family: HAEMATOMMATACEAE

Habitat: Ubiquitous

Description

    Thallus crustose, up to 10 cm diam., more or less smooth, slightly leprose, sometimes with more or less numerous soredia, grey-yellowish, pale greyish with ochre or yellow tinge, prothallus cotonny, fimbriate, dull whitish. Apothecia usually numerous, irregular and at various growth stages, 0.5-2 mm diam., arising from thallus swellings or tears, immersed at first then slightly prominent, , disc scarlet, margin slightly sorediate. Ascospores fusiform, 3-7-septate, 30-60 x 5-7 µm. Pycnidia red, 0.2 mm diam.. Photobiont: Trebouxioid. Thallus: C-, K+ pale yellow, Pd+ pale yellow, apothecia : K+ purple. Var. ochroleucum grows on dry surfaces of rocks or dry walls of buildings notably chapels. See  Haematomma ochroleucum var. porphyrium which is more whitish or pale gey-greenish and less fertile. N.B. To some authors, these two varieties are only chemotypes.





Haematomma ochroleucum (Neck.) J. R. Laundon var. ochroleucum

Haematomma ochroleucum var. ochroleucum Habitat Daoulas 5
Bernard BOUFFINIER

Haematomma ochroleucum (Neck.) J. R. Laundon var. ochroleucum

Haematomma ochroleucum var. ochroleucum Pointe du Raz 3
Michel DAVID

Haematomma ochroleucum (Neck.) J. R. Laundon var. ochroleucum

Haematomma ochroleucum var. ochroleucum Pointe du Raz 2
Bernard BOUFFINIER

Haematomma ochroleucum (Neck.) J. R. Laundon var. ochroleucum

Haematomma ochroleucum var. ochroleucum Chapelle Saint Michel Pointe du Raz
Bernard BOUFFINIER

Haematomma ochroleucum (Neck.) J. R. Laundon var. ochroleucum

Haematomma ochroleucum var. ochroleucum Daoulas 1
Joƫl QUERELLOU

Haematomma ochroleucum (Neck.) J. R. Laundon var. ochroleucum

Haematomma ochroleucum var. ochroleucum Daoulas 2
Joƫl QUERELLOU

Haematomma ochroleucum (Neck.) J. R. Laundon var. ochroleucum

Haematomma ochroleucum var. ochroleucum Daoulas 3
Joƫl QUERELLOU

Haematomma ochroleucum (Neck.) J. R. Laundon var. ochroleucum

Haematomma ochroleucum var. ochroleucum DinƩault 1
Michel DAVID

Haematomma ochroleucum (Neck.) J. R. Laundon var. ochroleucum

Haematomma ochroleucum var. ochroleucum DinƩault 2
Michel DAVID

Haematomma ochroleucum (Neck.) J. R. Laundon var. ochroleucum

Haematomma ochroleucum var. ochroleucum Kergoat 1
Joƫl QUERELLOU

Haematomma ochroleucum (Neck.) J. R. Laundon var. ochroleucum

Haematomma ochroleucum var. ochroleucum Habitat Daoulas 4
Bernard BOUFFINIER

Haematomma ochroleucum (Neck.) J. R. Laundon var. ochroleucum

Haematomma ochroleucum var. ochroleucum Sur mur de chapelle Kergoat 3
Joƫl QUERELLOU

Haematomma ochroleucum (Neck.) J. R. Laundon var. ochroleucum

Haematomma ochroleucum var. ochroleucum Sur mur de chapelle Kergoat 4
Bernard BOUFFINIER

Haematomma ochroleucum (Neck.) J. R. Laundon var. ochroleucum

Haematomma ochroleucum var. ochroleucum Sur mur de chapelle Kergoat 5
Bernard BOUFFINIER

Haematomma ochroleucum (Neck.) J. R. Laundon var. ochroleucum

Haematomma ochroleucum var. ochroleucum Sur mur de chapelle Kergoat 6
Jacques HAINE

Haematomma ochroleucum (Neck.) J. R. Laundon var. ochroleucum

Haematomma ochroleucum var. ochroleucum DinƩault 3
Bernard BOUFFINIER

Haematomma ochroleucum (Neck.) J. R. Laundon var. ochroleucum

Haematomma ochroleucum var. ochroleucum Daoulas 6
Bernard BOUFFINIER

Haematomma ochroleucum (Neck.) J. R. Laundon var. ochroleucum

Haematomma ochroleucum var. ochroleucum Habitat Daoulas 7
Bernard BOUFFINIER

Haematomma ochroleucum (Neck.) J. R. Laundon var. ochroleucum

Haematomma ochroleucum var. ochroleucum Sur rocher Camaret
Michel DAVID



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