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24-07-2024 13:19
Thomas FlammerI am looking for a PDF of the above article. Thank
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21-07-2024 10:13
![Thierry Blondelle](/uploads/user_vgn/-0211.jpg)
Bonjour,Récolte sur branchette de Castanea dans u
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21-07-2024 10:28
![Alan Rockefeller](/uploads/user_vgn/-0063.jpg)
Which Peziza did I find on horse dung in Humboldt
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19-07-2024 11:08
![Miguel Ãngel Ribes](/uploads/user_vgn/Ribes-0001.jpg)
Good morningThis Scutellinia from July 9 grew at 1
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21-07-2024 06:23
Masanori KutsunaDear all, Does anyone have these papers and send
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08-07-2024 23:34
Villalonga PacoSmall Scutellinia growing in garden soil (calcareo
This superficial, globose, finely craked, blackish-brown stromata, 10 mm high 15 mm broad is narrowly attached on bark of Acacia melanoxylon together with stromata of Daldinia sp., Jumillera cinerea and Nemania aureolutea.
The small monostichous perithecia are more or less globose, 0.6-0.8 x 0.5-0.7 mm, with a roundish conspicuous papilla
KOH-extractable pigments brightly greenish. Asci long stipitate 225-262 x 9-10, pars sporifera 142-160, 8-sspored, with a conspicuous hat shaped apical apparatus deeply blue in Mlz. and IKI, longer than broad. Ascospores olive brownish, 21-27 x 7-8.5, with a germ-slit shorter spore lenght on the less convex side. Perispore indehiscent in KOH.
Could be a penzigioid Xylaria species? Are normal the existence of KOH-extractable pigments for these fungi?
Thanks again
![Jacques Fournier](/uploads/user_vgn/Fournier-0001.jpg)
this is indeed a nice penzigioid Xylaria matching no known species in the literature. You are right, the greenish pigments in KOH are rarely encountered in this genus, they are just known from tropical taxa like X. telfairii or X. olobapha and relatives. Moreover the reddish brown coating and the ascospore morphology set it apart from species with similar stromata.
Xylariaceae are often endophytic and they likely travelled with their host from Australia and like your Daldinia represent extra-European species.
I suggest you send the Xylaria to Yu-Ming Ju in Taiwan who is very interested in penzigioid taxa and who will cultivate it. If the material is plentiful, I would be happy to have some stromata too...
Saludos,
Jacques
Hi Jacques
Allways your magical help!
I can send you the only one stromata that I have found. Do you want it? The Daldinia species on Acacia m. with greenish pigments will be sent to Marc Stadler for to study it.
Thanks again
![Jacques Fournier](/uploads/user_vgn/Fournier-0001.jpg)
Yes, send it over, I will forward it to Yu-Ming.
Jacques