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02-02-2026 21:46

Dark disc on Populus
Margot en Geert Vullings

On a barkless poplar branch, we found hairy discs

02-02-2026 14:55

Lichénicole sur Lobaria
Andgelo Mombert Andgelo Mombert

Bonjour,Sur thalle de Lobaria pulmonaria.Conidiome

02-02-2026 14:33

Lichénicole sur Peltigera
Andgelo Mombert Andgelo Mombert

Bonjour,Sur le thalle de Peltigera praetextata, ne

31-01-2026 10:22

Lichenicole hypocreale
Michel Hairaud Michel Hairaud

Bonjour, Cette hypocreale parasite en nombre les

02-02-2026 09:29

Scutellinia hirta ? sur souche moussue
Bernard CLESSE Bernard CLESSE

Bonjour à toutes et tous,Pour cette récolte de 2

01-02-2026 19:29

Lambertella sur Olea
Nicolas Suberbielle Nicolas Suberbielle

Bonjour, Marie-Rose D'Angelo (Société Mycologiq

30-01-2026 22:49

Calycina ?
éric ROMERO éric ROMERO

Bonjour tous, Récolté dans les Vosges le 22/10/

31-01-2026 09:17

Small hairy discs on Castanea
Marc Detollenaere Marc Detollenaere

Dear Forum,On decorticated wood of Castanea,I foun

29-08-2025 05:16

Teleomorph of Dendrostilbella smaragdina ?
Francois Guay Francois Guay

I think I may have found the teleomorph of Dendros

30-01-2026 21:20

Bryocentria brongniartii und B. metzgeriae mit ihrer Anamorphe.
Arnold Büschlen

Bryocentria brongniartii und B. metzgeriae mit ihr

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Yellow Lachnum on Poaceae
Juuso Äikäs, 28-05-2021 18:41
Today I found some nice yellow Lachnums growing on wet grass. 

Hairs and paraphyses with yellow VBs, hairs mostly capitate. IKI+(bb), no croziers.

Spores:
(8.9) 9.6 - 11.4 (13) × (1.6) 1.7 - 2 (2.1) µm
Q = (4.4) 5.1 - 6 (6.4) ; N = 15
Me = 10.4 × 1.9 µm ; Qe = 5.6

I tried the key and Lachnum pudicellum seems to be the best candidate. A second opinion would be nice, though.
  • message #68965
  • message #68965
Hans-Otto Baral, 28-05-2021 20:48
Hans-Otto Baral
Re : Yellow Lachnum on Poaceae
Yeah, and I have no other option. This yellow form may occur with the white one, and the same occurs with lachnum controversum, without other differences. This seems to be merely a variation, but who knows....
Juuso Äikäs, 28-05-2021 21:01
Re : Yellow Lachnum on Poaceae
Ok, thank you for the answer. There were white apos growing with these, but to my surprise they were another species. I'll put that here too in a few minutes.