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13-06-2025 09:41

Josep Torres Josep Torres

Hello.A cerebriform ascomycete sprouting scattered

21-07-2025 19:22

Ethan Crenson

Hello all,  Here is an Orbilia found by a friend

14-07-2025 11:20

Michel Hairaud Michel Hairaud

Bonjour, Voici une espèce de  (?) Hyaloscyphace

18-07-2025 23:03

Josep Torres Josep Torres

Hello.Fruitings between 51 and 130 microns in tota

17-07-2025 11:55

Castillo Joseba Castillo Joseba

De ayer en bosque de hayas y abetos, en tieraEjemp

16-07-2025 17:34

Bernard Declercq Bernard Declercq

Hello,I have trouble distinguishing above mention

15-07-2025 13:27

Angel Pintos Angel Pintos

Hello, does anyone have access to the following ar

16-01-2023 21:31

Riet van Oosten Riet van Oosten

Hello, Nearby the find of Calycina claroflava on

14-07-2025 17:55

Yanick BOULANGER

BonjourAutre dossier laissé en suspendJe viens de

14-07-2025 11:17

Yanick BOULANGER

BonjourJ'ai un dossier Jackrogersella qui est rest

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Calycellina?
Ethan Crenson, 10-11-2023 07:01
Hello,

Today in a Brooklyn, NY cemetery on an oak leaf I found a small cluster of minute white cups with hairs at the margin. My first thought was Hyaloscypha, but the microscopy seems to suggest otherwise. I am wondering if this is Calycellina.

Apothecia smaller than 1mm in diameter growing on Quercus leaf (I think).

Asci 4-spored, IKI+, clavate, 32-37 x 5.2-6.0µm

Spores fusiform, usually with one acute end and on rounded end, somewhat curved, 9.5-15.1 x 2.2-2.9µm

Paraphyses septate with oil content. Dextrinoid in Lugol's.

Excipulum textura globulosa / intricata. Cells are often trapezoidal.

Hairs? Not sure.

Am I on the right track with Calycellina?


Thanks,

Ethan
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Hans-Otto Baral, 10-11-2023 09:38
Hans-Otto Baral
Re : Calycellina?
Yes, this is Calycellina lachnobrachya. One of my old papers deals with 4-spored Calycellinas. Regretabbly, both this and araneocincta are so far unsequenced, only ulmariae and flaveola are.
Ethan Crenson, 10-11-2023 14:05
Re : Calycellina?
Thank you again! I don't have much material left over, but I will try to sequence this collection if I can.

Was the paper you wrote on 4-spored Calycellinas is in Czech Mycology or Zeitschrift für Mykologie? I am trying to find it online.

A very interesting asco.  I don't think I have seen an IKI reaction like that at the ends of the paraphyses.
Ethan Crenson, 10-11-2023 14:55
Re : Calycellina?
I think the reference I'm looking for is this:

Baral, H.O. (1989). Beiträge zur Taxonomie der Discomyceten II. Die Calycellina-Arten mit 4sporigen Asci. – Beitr. Kenntn. Pilze Mitteleuropas 5: 209–236.

I can't seem to find it online. Do you know where it is available?
Hans-Otto Baral, 10-11-2023 22:03
Hans-Otto Baral
Re : Calycellina?
I sent it to you by mail.
Ethan Crenson, 20-11-2023 18:38
Re : Calycellina?
Thank you for the paper.

I have managed to get a fairly decent sequence from this collection.  If you visit:


...there is an observational field for DNA Barcode ITS in the right column where I have added the results.