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11-03-2026 17:36

Help for Genus and Species ID
Michel Hairaud Michel Hairaud

Bonjour, Je cherche des indices  pour cette réc

12-03-2026 19:44

Ostropoloid fungus on Hibiscus
Enrique Rubio Enrique Rubio

Hi to everybody.Can you give me any suggestions ab

08-03-2026 14:05

Helvella lacunosa
Thierry Blondelle Thierry Blondelle

Bonjour à tous,Sur 3 récoltes supposées de H. l

12-03-2026 15:45

Dematioscypha cf. olivacea
Åge Oterhals

Dear forum,I found this small discomycete on a ver

12-03-2026 16:17

Mollisia atlantica
Sylvie Le Goff

Bonjour à tousRécolté dans le 22 en France (ré

12-03-2026 14:37

Octospora
David Wasilewski

These small ascomycota (1-3 mm) ere observed growi

11-03-2026 16:48

Saccobolus minimoides ?
Bruno Coué Bruno Coué

Bonjour, je serais heureux d'avoir votre avis sur

09-02-2026 22:01

Sp
ruiz Jose

Hola, me paso esta colección en madera de pino, t

11-03-2026 14:14

Scopinella on Dryas octopetala
Gernot Friebes

Hi,I would like to share a collection of Scopinell

15-09-2020 17:27

Thyridaria sp.
Andgelo Mombert Andgelo Mombert

Bonjour, Sur branche morte décortiquée de Berbe

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Hymenoscyphus on Picea needles IKI-, H+
Khomenko Igor, 19-01-2021 15:09
Khomenko Igor

Hi,


On spruce (Picea) needles, small, white discomycete fungi.
White stipitate apothecia around 1.5mm in diameter.
8-spored asci IKI- even after KOH, croziers(+), 92.7 - 96 × 7.42 - 7.7 µm;


Spores 10.2 - 12.8 x 3.1 - 3.9 µm; Q = 2.8 - 4; N = 30,  Me = 11.6 x 3.6 µm


more pictures: https://inaturalist.org/observations/61427186


Microscopy is similar to Hymenoscyphus sulphuratus, but it is pure white and it was matured. Are there any other options?


Thanks you,
Igor

  • message #67152
Hans-Otto Baral, 19-01-2021 16:55
Hans-Otto Baral
Re : Hymenoscyphus on Picea needles IKI-, H+
At least I can say you need to turn all spores upside down :-)

Reminds me of Hymenoscyphus lutescens but that has amyloid asci and is on conifer wood.
Khomenko Igor, 19-01-2021 21:58
Khomenko Igor
Re : Hymenoscyphus on Picea needles IKI-, H+
Thank you, Zotto,
I'm going to try to remember where a tail and a head are, but it is not that clear to me.
Hans-Otto Baral, 20-01-2021 08:42
Hans-Otto Baral
Re : Hymenoscyphus on Picea needles IKI-, H+
I helotiales it is principally always so that the broader end is the upper end - for aerodynamical reasons ecause the spores are ejected one after the other. You can check this inside the asci.
Khomenko Igor, 20-01-2021 23:58
Khomenko Igor
Re : Hymenoscyphus on Picea needles IKI-, H+
Thank you for explaining. 
These spores remind me of a paramecium, so I always want to place the wider side down.