31-03-2026 21:18
Miguel Ángel Ribes
Good evening. oes anyone have the original descrip
31-03-2026 20:57
Stefan BlaserHello everybody, I hope somebody can help me with
26-03-2026 15:31
Åke Widgren
Hello,I found this one in October last year, on r
31-03-2026 16:20
Mlcoch Patrik
Hello, Please about help with determination. On
31-03-2026 08:19
Bernard CLESSE
Bonjour à toutes et tous,Pourriez-vous m'aider à
30-03-2026 12:03
William Slosse
Hello all,On 27/03/26, in Kraaiveld in Wingene (Be
25-03-2026 10:35
Hulda Caroline HolteHello,I collected this species growing on a dead b
Lophiostoma on Rhamnus alaterna
Hans-Otto Baral,
11-06-2009 22:33
Hellohere is a Lophiostoma on Rhamnus alaterna collected by Jean-Paul Priou in Portugal, together with a new Orbilia. Therefore I had a look at it and could not find a name with Holm (Lophiostomaceae of Sweden).
Sp. *(18.5-)20-23(-25) x 7.2-8 µm, 3-5-septate, light ochre-brown (surely so when mature, though no living mature asci seen), very finely & densely punctate, no appendages, dark brown when dead & collapsed.
Zotto
Hans-Otto Baral,
11-06-2009 22:34
Re:Lophiostoma on Rhamnus alaterna
Punctation discernible on upper right spore
Jacques Fournier,
11-06-2009 23:36
Re:Lophiostoma on Rhamnus alaterna
Hi Zotto and Jean Paul,
I think Lophiostoma quadrinucleatum matches this collection fairly well if it is viewed in the broad sense
accepted by Holm & Holm including five septate ascospores. Such spores are also accepted by Mathiassen (1993) for collections on Salix in Norway.
Best wishes,
Jacques
I think Lophiostoma quadrinucleatum matches this collection fairly well if it is viewed in the broad sense
accepted by Holm & Holm including five septate ascospores. Such spores are also accepted by Mathiassen (1993) for collections on Salix in Norway.
Best wishes,
Jacques
Hans-Otto Baral,
12-06-2009 13:17
Re:Lophiostoma on Rhamnus alaterna
Hi Jacques
many thanks! The type of L. quadrinucleatum was even on Rhamnus, but Salix, Prunus and Berberis are also cited in Holm & Holm. I only wonder why the puntation of the spore surface is not mentioned. Perhaps too difficult to see?
Zotto
many thanks! The type of L. quadrinucleatum was even on Rhamnus, but Salix, Prunus and Berberis are also cited in Holm & Holm. I only wonder why the puntation of the spore surface is not mentioned. Perhaps too difficult to see?
Zotto