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14-05-2026 05:36

Ethan Crenson

Hi all,  I haven't paid much attention to Lachnu

11-05-2026 12:32

Bernard CLESSE Bernard CLESSE

Pourriez-vous m'aider à identifier cette héloti

13-05-2026 15:26

François Freléchoux François Freléchoux

Bonjour,Voici une récolte faite il y a quelques j

12-05-2026 15:41

Nicolas VAN VOOREN Nicolas VAN VOOREN

Dear Ascolovers, especially interested in Pezizale

13-05-2026 12:05

Thierry Blondelle Thierry Blondelle

Bonjour à tous,J'aimerais avoir confirmation de c

10-05-2026 23:17

Andreas Gminder Andreas Gminder

Hello,today we found in a moist steep decidous for

28-04-2026 20:07

Lothar Krieglsteiner Lothar Krieglsteiner

... on twig in the air at standing Ceratonia siliq

27-04-2026 20:52

Lothar Krieglsteiner Lothar Krieglsteiner

Found on hanging tiwg of Olea europaea in dried-ou

11-05-2026 20:22

Lothar Krieglsteiner Lothar Krieglsteiner

on attached twig of standing Ficus caricaquite uns

11-05-2026 13:22

Sylvie Le Goff

BonjourPuis avoir votre avis sur cet ascome, je vo

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An anamorph on the hymenium of Neottiella vivida
François Bartholomeeusen, 26-11-2019 18:41
Hello forum members,

On October 15, 2019, I found several fruiting bodies on a heathland, which I determined on October 16, after microscopic examination, as Neottiella vivida. Two days later I repeated the examination in the hope that the spore ornamentation had improved. Instead, I found an anamorph. At first I thought of contamination but because of the presence of conidiophores this was ruled out. The, in first instance bright orange hymenium, was two days later covered with a black, powdery layer caused by the brown conidia.

Does anyone have experience with this anamorphic?

Thank you very much in advance,

François Bartholomeeusen
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David Malloch, 27-11-2019 03:45
David Malloch
Re : An anamorph on the hymenium of Neottiella vivida
This looks like Harzia acremonioides (syn. Acremoniella atra). I have not seen this species, but I have cultured H. verrucosa, a very similar species with verrucose conidia. Harzia verrucosa is a mycoparasite producing typical contact cells on susceptible fungal hosts, so maybe your specimen  was parasitic on Neottiella vivida.

François Bartholomeeusen, 27-11-2019 17:45
Re : An anamorph on the hymenium of Neottiella vivida
Dear David,

Thank you very much, I could never have solved this problem on my own. For me this is one less UFO (Unidentified Fungal Object)!


Kind regards,

François