Tiny black asco on wood - Forum ASCOFrance

26-03-2026 15:31

Hymenoscyphus ombrophiliformis?

Åke Widgren

Hello,I found this one in October last year, on r

27-03-2026 15:23

Trichopezizella barbata?

Gernot Friebes

Hi,this Trichopezizella deviates from typical T. b

25-03-2026 10:35

Encoelia impudicella?

Hulda Caroline Holte

Hello,I collected this species growing on a dead b

27-03-2026 15:08

Coelomycete on Cirsium

Gernot Friebes

Hi,I'm looking for help with this coelomycete on C

27-03-2026 10:47

Stictis cf. friabilis and literature request

Åge Oterhals

I have tentatively identified this Stictis to S. f

24-03-2026 21:37

Helminthosphaeria

Elisabeth Stöckli

Bonsoir,Sur bois (tronc) très pourri de conifère

26-03-2026 12:50

Pseudombrophila

David Chapados

Hi,I'm having a hard time figuring which Pseudombr

26-03-2026 11:17

asco in Ulmus

Vasileios Kaounas

Found 11-03-26, in leaf of Ulmus sp. Diameter 2-4

25-03-2026 22:23

Orbilia with resin deposits

Marc Detollenaere

Dear Forum,On a debarked stem of Tilia, we found s

24-03-2026 15:44

Leptodontidium cf. trabinellum

Åge Oterhals

I hope someone can confirm the name of this collec

Tiny black asco on wood

Byrain, 17-11-2012 13:23

Can anyone identify this tiny black fungus on woodchips? Found in California, USA.

There were 8 spores per ascus, spores with 8-10 septations per spore, one was seen with 7, most were with 10.?
The spore range was (37) 38 – 53 (57) x 7 – 8 (9) ??m, the average spore from 20 measurements was 43.9 × 7.65 ??.
The green hyphae (Paraphysis??) were amyloid, the spores and asci ddn't react. And the micro pics are mounted in KOH.

More micro pics and info can be found at mushroom observer, here is a link - http://mushroomobserver.org/117014?q=r0co?

Thanks for any help you can provide. :)?

DirkW, 17-11-2012 13:43

Re : Tiny black asco on wood

hi byrain,

this is patellaria atra, very common on all kinds of substrates.
we found some on rope ;)

best

dirk

Byrain, 17-11-2012 14:00

Re : Tiny black asco on wood

Thank you, do you know where I could find a description for this species? And do you know what the current name is? Mycobank and index fungorum claim it is Tephromela atra , but that appears to be a rather different lichen, I'm very exeperienced with ascos and am a bit confused. :)

Edit: Or rather, you mean atrata instead of atra?
Edit2: I've found descriptions! :D

Here are some:

http://bit.ly/XkXLIY
http://bit.ly/QkD5Or ?

Luc Bailly, 17-11-2012 22:51

Re : Tiny black asco on wood

Hi Byrain,
On MycoBank, it's Patellaria atrata:

Classification and associated taxa

Current name : Patellaria atrata (Hedw.) Fr., 2:160, 1822[MB#398671]

Classification : 1. Fungi

2. Ascomycota

3. Pezizomycotina

4. Dothideomycetes

5. Patellariales

6. Patellariaceae

7. Patellaria

Basionym : Lichen atratus Hedw. :61, t. 21A, 1789 [MB#154587]

Obligate or homotypic synonyms : 1. Lecanidion atratum (Hedw.) Endl. :46, 1830 [MB#181476]

2. Lichen atratus Hedw. :61, t. 21A, 1789 [MB#154587]

3. Peziza patellaria Pers. :670, 1801 [MB#148847]

Facultative or heterotypic synonyms : Lichen atratus Hedw. :61, t. 21A, 1789 [MB#154587]

Apparently it's world-wide spread, but not always on wood. Here's a photo from my samle, coming from Château de Moha, province de Liège, Belgium, on stems of Verbascum (or eventually Inula).

There's also a little description in Ellis & Ellis.

Cheers - Luc BAILLY.

Byrain, 18-11-2012 01:00

Re : Tiny black asco on wood

Hi Luc

Thanks for the info, I was mostly confused by how patellaria atra is an old name for a lichen, till I noticed there was also a P. atrata. :) Also, the Ellis & Elli?s books look great, I wish I knew about them sooner!

DirkW, 18-11-2012 17:29

Re : Tiny black asco on wood

hi brian, i'm so sorry, it was just a type-mistake .. surely atrata.
best

dirk

Accès membres

Forum AscoFrance