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09-11-2025 13:20

Josep Torres Josep Torres

Hello.A tiny ascomycete, appearing as erupting gra

08-11-2025 12:10

Elisabeth Stöckli

Bonjour, Trouvé sur tiges mortes de Rubus (ronce

08-11-2025 00:29

Francois Guay Francois Guay

I found this species in Quebec, Canada, on herbace

04-11-2025 14:53

Josep Torres Josep Torres

Hello.Very small, globose, mucronate perithecia, b

08-11-2025 09:15

Michel Hairaud Michel Hairaud

Bonjour, Pouvez vous m'aider à identifier ce Mol

06-11-2025 16:50

Rot Bojan

Hello! Yesterday I found a fungus on or near a nee

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

03-11-2025 21:34

Edvin Johannesen Edvin Johannesen

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

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Hyaloscypha sps.... fuckelii maybe?
Hardware Tony, 12-04-2021 17:35
Hardware TonyHi Forum,

I have singled out this species as it is one of the few that perhaps grows on Fagus and has the following specifications: 

Ascospores: 7.31 - 9.21µm x 2.57 - 3.17µm, thin walled with mostly obvious 2-guttulate. 
Body: 0.4mm or less, fine rasied high white hairs on white but translucent apothecia where sessile to substrate, drying staying white.
Asci: Contents compact taking up most of ascus, seriate, possibility of croziers but unclear, 42 - 50µm x 6.20 - 6.90µm, pointy apex and IKI plus, but pale in Melzers. 
Paras: Thin and cylindrical except at apex where slightly rounded and larger at 2.0µm and appears to contain a single crystal, eye or similar there only. Branching regularily.
Hairs: not defined well, but suggest straighter at ends than most. 

Added pics here, water. Have looked at H. albohyalina but ascospores more oily at polar ends and asci top heavy only, also H. hyalina, but again spores don't look good, and H. spiralis and H. aureliella the asci fit doesn't look good either. 
Apprecaite any help,

Tony
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  • message #68359
  • message #68359
  • message #68359