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06-06-2025 12:12

S. capillipes
Hans-Otto Baral Hans-Otto Baral

Dear all I want to ask you if you have any recent

04-06-2025 15:10

Hairy disco on ?Aegopodium
Stefan Jakobsson

Hi forum, On a herbaceous stem, possibly Aegopodi

03-06-2025 20:52

±hyaline, dictyosporous
Stefan Blaser

Hello everybody, I didn't get anywhere with this

04-06-2025 14:02

Spiky Asco
Matthew Rozanoff

Good morning,I was wondering if anyone recognizes

01-06-2025 09:37

Octospora
Charles Aron Charles Aron

Hi All, I found this Octospora growing with liver

30-05-2025 10:20

Velutarina
Elisabeth Stöckli

Bonjour, Sur branches mortes de Salix en place (m

20-05-2025 22:15

Asco at the base of decaying fern
Francois Guay Francois Guay

I found this ascomycete at the base of a dead fern

30-05-2025 17:54

Petit disque poilu sur Urtica
Louis DENY

Hello forum!Touvé près de Belfort, altitude 350m

31-05-2025 00:51

Orbilia with fusiform spores
Ethan Crenson

Hello, Last week in New York City this Orbilia wa

30-05-2025 14:40

Black ascomycete.
Josep Torres Josep Torres

Hello.An ascomycete from last May 10th, sprouting

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Bisporella sulfurina?
William Slosse, 11-03-2017 21:28
William SlosseI always find it hard to distinguish citrina from sulfurina.
Am I right that this one is sulfurina?

° Matured spores with mostly 4 oildrops and one septated / 10.54x2.98mu
° asci with no croziers
° growing in clusters

Thx in advance,

William
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Hans-Otto Baral, 11-03-2017 21:42
Hans-Otto Baral
Re : Bisporella sulfurina?
It is not easy to confuse these two species! What you show is clearly B. sulfurina (or now Calycina claroflava). When you apply Lugol you will not see an amyloid apical ring whereas B. citrina (Calycina citrina) reacts blue or dirty red at higher concentration.