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03-03-2026 20:34

Miguel Ãngel Ribes Miguel Ángel Ribes

Good eveningThese small, amphora-shaped perithecia

28-02-2026 11:54

Alain GARDIENNET Alain GARDIENNET

Hi forum,Is anyone aware if the 1936 edition of Si

02-03-2026 22:07

Jorge Hernanz

Buenas noches!Entre musgos, bajo Pinus halepensis

01-03-2026 18:02

Francois Guay Francois Guay

I found this mystery Helotiales on an incubated le

28-02-2026 14:43

Alain GARDIENNET Alain GARDIENNET

A new refrence desired :Svanidze, T.V. (1984) Novy

01-03-2026 18:46

Robin Isaksson Robin Isaksson

Hi! This species i se from time to time in the

26-02-2026 22:06

Malcolm  Greaves Malcolm Greaves

Can someone explain the features that split Geoscy

27-02-2026 17:51

Michel Hairaud Michel Hairaud

Bonjour, Quelqu'un peut il me donner un conseil p

27-02-2026 16:17

Mathias Hass Mathias Hass

Hi, Found this on Betula, rather fresh fallen twi

01-03-2026 14:10

Antonio Couceiro Antonio Couceiro

Hola, me gustaria conocer opiniones sobre este tem

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Hyalorbilia on Tilia
Zuzana Sochorová (Egertová), 26-07-2021 22:17
Zuzana Sochorová (Egertová)Hello, 
this Hyalorbilia is from the Czech Republic, collected on a wet decaying twig of Tilis (ca 8 cm thick), in a castle park, 400 m a.s.l.

Asci 18 - 25 × 3.2 - 4.1 µm, 8-spored, base unstalked, unbranched.
Pars sporifera 8.3-10.6 µm.
Ascospores (4.2) 4.9 - 5.7 (5.8) × (0.7) 0.8 - 1 (1.1) µm, straight, with 1 SB near each pole.
Q = 4.4-7.6, Me = 5.2 × 0.9 µm; Qe = 6
Conidia 22 - 27 × 4.9-5.1 µm, unbranched, septate.

Using the key to Hyalorbilia in the monograph, I am coming somewhere around H. japonica (distribution not fitting), H. oreadum and H. herbicola (substrate not fitting + a bit deviating width of spores). So, could this be H. oreadum?
Thanks, Zuzana
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Zuzana Sochorová (Egertová), 26-07-2021 22:18
Zuzana Sochorová (Egertová)
Re : Hyalorbilia on Tilia
more
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Zuzana Sochorová (Egertová), 26-07-2021 22:19
Zuzana Sochorová (Egertová)
Re : Hyalorbilia on Tilia
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Hans-Otto Baral, 26-07-2021 22:33
Hans-Otto Baral
Re : Hyalorbilia on Tilia
My first idea would have been H. inflatula with wide marginal cells. But spores are a bit short. H. oreadum is not very clear because of too few collections.

H. inflatula is not clear as to how many species are hidden behind it.

When you go to Plate 77 fig. 9 you can see a spore size just as in yours.
Zuzana Sochorová (Egertová), 26-07-2021 22:54
Zuzana Sochorová (Egertová)
Re : Hyalorbilia on Tilia
Thanks a lot, Zotto. Yes, the elements are a bit shorter than should be typical for inflatula.