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Hello,yesterday I took an attached branch of Querc

02-05-2025 08:45
Isabelle CharissouBonjour, existe-t-il un pdf d'un Glossarium polygl

29-04-2025 09:13
Louis DENYBonjour forumVosges du sud, ballon d'Alsace altitu

03-05-2025 12:43

Hi together, Maybe someone has an idea about this

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Juuso ÄikäsThese Mollisia fruitbodies were growing on a twig

02-05-2025 08:41
Tony MoverleyA Monilinia type fungus has recently been collecte

01-05-2025 20:11

Hello, today I have collected a tiny ascomycete g

01-05-2025 11:25

Bonjour à toutes et tous,Pourriez-vous m'aider à
Hypocréale indéterminée
Andgelo Mombert,
21-01-2025 17:46

On m'a confié cette récolte fort intéressante que je n'ai pas su déterminer. Même pas le genre.
Merci d'avance pour votre aide ! J'ai oublié de tester l'acide lactique. Les spores me paraissent très finement striées (difficile à voir).
On unidentified ascomycete (Cryptostroma corticale ?), on branch of Acer sp.
Ascomata perithecial, gregarious, clustered in large groups, widely obpyriform, 130-170 um high, 110-140 um wide, laterally pinched when dry, brown, not turning in 3 % KOH. Ascomatal wall smooth, 23-25 um thick, composed of two regions: outer region 17-19 um thick, composed of subglobose to ellipsoidal, thick-walled cells, with brown wall ; inner region 4-7 um thick, composed of elongate cells, with hyaline wall. Asci unitunicate, subcylindrical, short-stipitate, 8-spored, apices rounded and simple, uniseriate. Ascospores narrowly ellipsoidal, 11-15 x 2,5-3,4 um, 1-septate, often constricted at septum, smooth then finely striate, thick-walled, hyaline.