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05-11-2025 11:33

Pierre Repellin

Bonjpur,J'ai trouvé, sur une hampe florale d'Alli

04-11-2025 09:07

Josep Torres Josep Torres

Hello.A suspected Hymenoscyphus sprouting on a thi

04-11-2025 12:43

Edvin Johannesen Edvin Johannesen

Hi! One more found on old Populus tremula log in O

04-11-2025 14:53

Josep Torres Josep Torres

Hello.Very small, globose, mucronate perithecia, b

03-11-2025 21:34

Edvin Johannesen Edvin Johannesen

These tiny (0.4-0.5 mm diam.), whitish, short-stip

03-11-2025 19:41

David Chapados David Chapados

Hi,Does anyone knows which genus could this be? G

28-10-2025 15:37

Carl Farmer

I'd be grateful for any suggestions for this strik

03-11-2025 16:30

Hans-Otto Baral Hans-Otto Baral

Hello I want to ask you if you have found this ye

01-11-2025 09:14

Francis Maggi

Bonjour,Trouvé sur Xanthoria parietina à Valdebl

28-10-2025 19:33

Nicolas Suberbielle Nicolas Suberbielle

Bonjour à tous,Je voudrais votre avis sur cette r

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Cup fungi on Abies balsamea
Khomenko Igor, 15-12-2023 17:25
Khomenko IgorHi, I'm completly lost with this cup fungi. This is drought-tolerant species and it was growing on recently dead Abies balsamea and has very small spores and asci. Observed in July-October on two uprooted trees.

Pictures: https://www.inaturalist.org/observations/172752012

Apothecia 2-2.5mm in diameter, erumpent, with greyish hymenium.
Asci 8-spored, IKI-, *18-21x3.3-3.9um.
Ascospores only *4-5x0.6-0.8um, cylindrical, slightly bent, hyaline, smooth, eguttulate.
Paraphyses cylindrical, without VBs, if it was actually paraphyses.
Ectal excipulum brown, textura ?angular, covered with hairs with crystals.

Thanks in advance,
Igor
  • message #77627
Hans-Otto Baral, 15-12-2023 19:36
Hans-Otto Baral
Re : Cup fungi on Abies balsamea
Despite the small asci and spores and (?)inamyloid asci I would identify Chlorociboria glauca (or a related species). The coniferous host could support a separate species.
Khomenko Igor, 16-12-2023 02:09
Khomenko Igor
Re : Cup fungi on Abies balsamea
Great. Thank you.