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03-02-2026 20:44

Zetti Mario

When I first saw this white mould on an Agaricus s

18-08-2025 15:07

Lothar Krieglsteiner Lothar Krieglsteiner

.. 20.7.25, in subarctic habital. The liverwort i

02-02-2026 21:46

Margot en Geert Vullings

On a barkless poplar branch, we found hairy discs

02-02-2026 14:55

Andgelo Mombert Andgelo Mombert

Bonjour,Sur thalle de Lobaria pulmonaria.Conidiome

02-02-2026 14:33

Andgelo Mombert Andgelo Mombert

Bonjour,Sur le thalle de Peltigera praetextata, ne

31-01-2026 10:22

Michel Hairaud Michel Hairaud

Bonjour, Cette hypocreale parasite en nombre les

02-02-2026 09:29

Bernard CLESSE Bernard CLESSE

Bonjour à toutes et tous,Pour cette récolte de 2

01-02-2026 19:29

Nicolas Suberbielle Nicolas Suberbielle

Bonjour, Marie-Rose D'Angelo (Société Mycologiq

30-01-2026 22:49

éric ROMERO éric ROMERO

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

31-01-2026 09:17

Marc Detollenaere Marc Detollenaere

Dear Forum,On decorticated wood of Castanea,I foun

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Inoperculate from Borneo
Zuzana Sochorová (Egertová), 04-03-2015 21:28
Zuzana Sochorová (Egertová)Hello,
these fungi grew in a large group in a primary rainforest in East Kalimantan, in litter, some fruitbodies grew on a fruit of a tree.
Disc measured 6-13 mm in diameter, was grey, somewhat frosty, slightly convex, sometimes deepen in the middle, sometimes saddle-shaped, smooth, often waved in older fruitbodies.
Lower side brown, slightly wrinkled or smooth.
Stipe was of the same colour as the lower side, narrowing toward the base, little bit wrinkled in the upper part, 19-55 mm long, 0,5-3 mm broad. The stipes were sometimes growing together.
Asci inoperculate, cylindrical, with amyloid inner ring, octosporic, with uni- to biseriate arranged spores, 85-110 x 4,5-6 micrometers.
Spores 8-10 x 3,5-4,2 micrometers, ellipsoid-ovoid, hyaline, smooth, without septa.
Paraphyses filiform, hyaline, straight or slightly bent, 1 micrometer broad, septate.
Rough brown hairs on the outer surface.
Excipulum of textura porrecta (?).
Some Rutstroemiaceae or Sclerotiniaceae?
Zuzana
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Hans-Otto Baral, 04-03-2015 21:44
Hans-Otto Baral
Re : Inoperculate from Borneo
Looks very interesting. I first supposed it is more a Helotiaceae. The apical ring should be seen in higher magnification. But you may be right: the ring shows an inner protrusion like two dots, unlike Hymenoscyphus. And the warted hairs fit also Rutstroemiaceae better.

The excipulum would be important to see, perhaps in a section. Anyway this will be difficult to identify.

Zuzana Sochorová (Egertová), 05-03-2015 06:50
Zuzana Sochorová (Egertová)
Re : Inoperculate from Borneo
Hmm, thank you, Zotto.
I probably cannot do more with this mushroom than I have already done... would someone be as kind to look at it? The collection is rich, including both young and old fruitbodies.
Zuzana