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20-04-2026 22:00

Malcolm  Greaves Malcolm Greaves

These pale yellow, hairy ascos were growing on cul

19-04-2026 21:23

Steve Clements

Bonjour, I found this anamorphic fungus on old pl

19-04-2026 20:46

Steve Clements

1 mm diameter approx spherical conidiophores on pl

12-04-2026 17:56

Hardware Tony Hardware Tony

Found on dead stems in February earlier this year

17-04-2026 19:16

Enrique Rubio Enrique Rubio

Hi to everybodyI would appreciate any assistance r

14-04-2026 05:32

Ethan Crenson

Hi all, A few weeks back a friend pointed out som

17-04-2026 15:14

Bruno Coué Bruno Coué

Bonjour.Récoltes du 16/04/2026, sur feuilles mort

12-04-2026 15:52

Gernot Friebes

Hi,I'm looking for help with this anamorph collect

14-04-2026 21:52

Gernot Friebes

Hi,found on dead leaves of Carex elata. Conidia: 4

16-04-2026 22:09

Buckwheat Pete

Hello, I'd like to ask about this older specimen:

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"Nectria" - for a lack of better knowledge...
Stefan Blaser, 31-03-2026 20:57
Hello everybody,

I hope somebody can help me with this collection:

Substrate: On dead, lying stems of Cirsium spinosissimum (in alpine environment).

Macro: Rather hard and dense pale orange to pink emerging Stromata up to 2.5 x 1.5 mm in size. Pinkish orange perithecia (dark reddish-orange when dry, without colour change in KOH) with an individual diameter of 0.15-0.25 mm are seated on the stroma. Perithecia have a whitish tomentose cover.

Micro: Perithecia surface (partly) covered by short hairs of about 5-25 x 3-4 µm. Spores (only within Asci and probably not mature!) 8.5 – 14 x 3.5-4.5 µm, 1-septate, hyaline, smooth(?). Asci 50-70 x 5-6 µm.



Many thanks for any ideas,

Stefan
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