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09-02-2025 22:51
Yanick BOULANGERBonsoirEst-ce que quelqu'un peut me dire s'il s'ag
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01-02-2025 20:32
![Andreas Gminder](/uploads/user_vgn/Gminder-0001.jpg)
Hello,today my girlfriend Sylvie found a single ap
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06-02-2025 18:11
![Zuzana Sochorová (Egertová)](/uploads/user_vgn/Egertova-0001.jpg)
Hello, while digging in my fungarium, I found an
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07-02-2025 22:28
Yanick BOULANGERBonsoirPetit pyrénomycètes d'environ 1 mm sur bo
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07-02-2025 20:25
Dear all.Ascomata pheritecioid, KOH-negative, flas
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07-02-2025 17:48
asci 170-200 x 20-22 ?m spores 21.9 [22.9 ; 23.4]
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06-02-2025 06:25
Bharati MandapatiHi All, I would love some help with this Lasiobel
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05-02-2025 04:38
Ethan CrensonHi all, Found by a friend last Saturday in Staten
Black balls on Ulex
Enrique Rubio,
19-01-2022 10:25
The ascomata of this fungus grew on corticated wood of Ulex europaeus, making cleistothecia (apparently non-ostiolate), blackish-brown, up to 0.5 mm in diameter, erumpent, isolated or coalescent and more or less spherical. The evanescent asci are claviform, pedicellate and contain (2-3-)4 dark brown spores with an apical pore, probably also monosporic since some excessively large spores may be seen.
At the end, the contents of the ascomata are powdery and consisting of a large cluster of spores and the asci disappear.
I wonder if this fungus could be well accommodated in the monospecific genus Boothiella, although it is different from Boothiella tetraspora, with larger cylindrical asci and larger and different spores.
Many thanks in advance for your opinions.
David Malloch,
19-01-2022 15:21
![David Malloch](/uploads/user_vgn/Malloch-0001.jpg)
Re : Black balls on Ulex
The spores immediately remind me of Copromyces bisporus N. Lindq. However, that species has two-spored asci and grows on dung. Maybe a related species?
David Malloch,
19-01-2022 15:31
![David Malloch](/uploads/user_vgn/Malloch-0001.jpg)
Re : Black balls on Ulex
I worked on cleistothecial fungi for my Ph.D. about 50 years ago. Here is a plate I prepared for Copromyces and similar things. http://website.nbm-mnb.ca/mycologywebpages/EssaysOnFungi/Cleistothecial_Ascomycota/Cleistothecial_Ascomycota-Plate04.html. The comments are more recent.
Enrique Rubio,
19-01-2022 16:26
Re : Black balls on Ulex
Thanks a lot, David.