19-03-2026 19:34
Hello everyone,a few days ago I collected this str
19-03-2026 18:25
William Slosse
Good evening everyone, On 18/03/26 I found a few
17-03-2026 10:09
François Freléchoux
Bonjour, Voici la description rapide d'un petit d
19-03-2026 17:50
Hi to everybodyThese thiny, blackish pseudothecia
18-03-2026 13:09
Khomenko Igor
I recently examined Celtis occidentalis branches
17-03-2026 19:41
Bernard CLESSE
Bonsoir à toutes et tous,Pourriez-vous m'aider à
18-03-2026 17:22
Katarina PastircakovaHi there,I'm looking for the following literature:
19-03-2026 10:56
Thomas Læssøehttps://svampe.databasen.org/observations/10505643
Nectriaceae
Salvador Tello,
18-03-2015 12:07
Tengo estos hongos que no puedo identificar, ¿Tal vez Lanatonectria? Los encontré creciendo sobre ascomas viejos de Cucurbitaria sp.
Ascomas de 0,2-0,4 mm de diámetro, globosos, ostiolados, de color naranja, generalmente cubiertos por un entramado de hifas blancas. Paredes compuestas por células de textura angular. Ascas de (102-)110-122(-125) x (11,6-)13,7-17,0(-18,2) µm, N = 19, Me = 117 x 15,2 µm, cilíndrico-claviformes, octospóricas. Ascosporas de (16,1-)17,9-22,7(-25,2) x (7,8-)8,2-9,8(-10,2) µm, Q = (1,8-)2,0-2,5(-2,7), N = 36, Me = 20,4 x 9,1 µm ; Qe = 2,2, irregularmente biseriadas al menos en la parte superior del asca, lisas, hialinas, con un septo transversal, constreñidas en el septo, con los extremos redondeados o a veces terminados en punta.
Saludos.
Salvador.
Jacques Fournier,
18-03-2015 14:35
Re : Nectriaceae
Hola Salvador,
Christian and I encountered this species repeatedly on Cucurbitaria. So did Walter and Hermann, most likely with the same species. It is an undescribed species of Macroconia (Wollenw.) Gräfenhan, Seifert & Schroers, segregated form Cosmospora by Grafenhan et al.(2011) in Studies in Mycology 68: 79-113, available online. Several different species might be involved depending on host affiliation.The type of the genus is M. leptosphaeriae that occurs on Leptosphaeria doliolum on Urtica, perhaps you know it from your region.
Cheers,
Jacques
Christian and I encountered this species repeatedly on Cucurbitaria. So did Walter and Hermann, most likely with the same species. It is an undescribed species of Macroconia (Wollenw.) Gräfenhan, Seifert & Schroers, segregated form Cosmospora by Grafenhan et al.(2011) in Studies in Mycology 68: 79-113, available online. Several different species might be involved depending on host affiliation.The type of the genus is M. leptosphaeriae that occurs on Leptosphaeria doliolum on Urtica, perhaps you know it from your region.
Cheers,
Jacques
Salvador Tello,
18-03-2015 17:12
Re : Nectriaceae
Gracias Jacques.
No conocía el género, ya miro en Studies in Mycology y me informo.
Saludos.
Salvador.
No conocía el género, ya miro en Studies in Mycology y me informo.
Saludos.
Salvador.
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