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05-07-2025 12:38

Pyrenomycetous fungi on dead Juniperus twig
Åge Oterhals

I found this pyrenomycetous fungi in pine forest o

04-07-2025 20:12

Black thready anamorph
Josep Torres Josep Torres

Hello.A fungus growing on the surface of a trunk o

20-06-2025 08:33

Ascomycete on a herbaceous stem.
Josep Torres Josep Torres

Hello.Small, blackish, mucronated surface grains s

28-06-2025 16:00

Salvia leaf parasite
Josep Torres Josep Torres

Hello.A tiny fungus shaped like globose black grai

04-07-2025 12:43

En tallo de herbaceas 1102
Castillo Joseba Castillo Joseba

me mandan el material seco de Galicia (España) 

03-07-2025 18:40

Melampsora ??? en Salix
Castillo Joseba Castillo Joseba

me mandas el material seco de Galicia (España) re

03-07-2025 20:08

Yellowish asco on submerged Larix needles
Francois Guay Francois Guay

I found this interesting yellowish asco growing on

01-07-2025 23:37

Help with a Pleosporal.
Josep Torres Josep Torres

Hello.A Pleosporal symbiotic organism located and

02-07-2025 17:26

hymenoscyphus albidus
Yanick BOULANGER

BonjourRécolté sur une brindille au fond d'un fo

02-07-2025 18:45

Sur Osmunda regalis
Elisabeth Stöckli

Bonsoir,Sur feuilles d'Osmunda regalis (Saulaie),

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Rhodotarzetta rosea ?
Nina Filippova, 11-01-2015 15:56
Another pyrophilous species was collected in the same community after fire.

The specimen also was lost, but it's beautiful cups should be possible to identify, i hope.


Mixed coniferous-aspen after fire forest, West Siberia near Khanty-Mansiysk (61.08148N, 69.48450E).


Spores with two guttules, smooth, 13.9 (13-14.8) x 8.3 (7.6-9.4) (only 6 spores measured, so that real size could be biased).


Nina.

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Nina Filippova, 11-01-2015 16:07
Re : Rhodotarzetta rosea ?
The last species from this after-fire community, probably Tarzetta catinus, with spores 13 x 8 mk on the average (61.08148N, 69.48450E).
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Nicolas VAN VOOREN, 12-01-2015 07:12
Nicolas VAN VOOREN
Re : Rhodotarzetta rosea ?
About R. rosea, I think you're right, although the size of ascospores shows that specimens are immature. The habitat on burnt place is typical.
About the second species, nothing can be said with a single immature specimen. This is probably a Tarzetta, but impossible to name it.
Nina Filippova, 13-01-2015 05:27
Re : Rhodotarzetta rosea ?
Hello Nicolas,

thanks for your comments,

Uwe Lindemann also wrote me in personal that most probably R. rosea (but spores are smaller and he asked send him a specimen, i will do it).

Nina.