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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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Delitschia winteri
Joop van der Lee, 18-11-2020 14:19
Joop van der LeeI have posted a topic about this species as D. chodocola but it turned out to be wrong mainly because of the bracket in spore size.

Added files show the difference I only did measure a bracket from 65-72x25-27 um the first time but it proved to be lower than the bracket for D. chodocola. There are some details that are not documented and the bracket for the perithecia is far below the one mentioned in documentations.

Perithecia: embedded with only the top of the neck visible; 511-655420-567 um.
Neck: straight; smooth; no hairs observed; 289-334x179-194 um.

Paraphyses: filiform; abundant; septated; branched; 2.0-2.7 um wide.

Asci: Bitunicate; no apical ring present because the outer wall retracts in total (photo 12) however there is an apical system in the living part (photo 4); 312-326x63-67 um; stolk abruptly separates from ascus in most cases (photo 11); asci swell and extend when in contact with water.

Spores: Biseriate soon becoming uniseriate; immature spores have rounded tops (with exceptions), mature spores conical; transvers occasionally oblique septum with small constriction; surrounded by a gelatinous sheath 3.5-3.5 um swelling in water; 51-72x23-27 um.


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