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11-04-2021 11:40

Lophodermium pinastri (?) sur aiguilles de Pinus nigra var. austriaca
BERNARD CLESSE BERNARD CLESSE

Bonjour à toutes et tous,Avec cette écologie (ai

10-04-2021 16:53

Anamorph (??) on Ficaria verna
William Slosse William Slosse

Hello everyone,recently I found a large growing pl

10-04-2021 20:12

Nectria sensu stricto ?
Andgelo Mombert Andgelo Mombert

Bonsoir, Un magnifique Nectria s.s. (?) sur branc

11-04-2021 12:09

En hoja de Eucalipto
Castillo Joseba Castillo Joseba

Me mandan el material de Galicia,  recolectada en

10-04-2021 13:56

Cistella?
jean claude chasle

Bonjour,Récolté en bordure de mare sur carex :Ap

10-04-2021 20:07

Small black pycnidia on Angelica sylvestris
Sergey Markov

I found today small black pycnidia in the cuticle

09-04-2021 07:57

Ayuda con un ¿Botryosphaerial?
Josep Torres Josep Torres

Hola.Unas diminutas fructificaciones fotografiadas

10-04-2021 09:03

Orbilia (?) sur tronc pourri de Populus x canescens
BERNARD CLESSE BERNARD CLESSE

Bonjour à toutes et tous,Que pensez-vous de cette

08-04-2021 21:17

Rutstroemia sp. possibly.
Pauline. Penna

Hello EveryonePlease could you help me with this s

10-04-2021 09:24

Anamorph?
Mirek Gryc

Hi.About a month ago I downloaded a piece of wood

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Capronia pulcherrima?
Chris Yeates, 05-04-2021 22:27
Chris Yeates
Bonsoir tous

Using Gernot's excellent key to the genus in Ascomycete.org I arrive at C. pulcherrima. However I am uncertain as to how large the spores of this species can get. Munk in his  description of Dictyotrychiella pulcherrima gives spore measurements of 10-11 x 3-4µm, and this is repeated in the transfer to Capronia: 

http://www.indexfungorum.org/names/NamesRecord.asp?RecordID=129152 > "Page Image for Protologue" -presumably simply repeating Munk's measurements.

However in discussions Gernot has had on ASCOfrance the impression is that the spores can be larger than that - though always significantly smaller than those of C. semi-immersa. Details of my find are:

perithecia up to 200µm diameter, with short straight/curved setae; on fallen decorticated, thin (16mm diameter) branch of Salix caprea/cinerea

asci 8-spored, spores 10.9-13.8(14.1) x 4.5-5(5.2)µm; septation as in images below

Am I correct in thinking this is OK for C. pulcherrima?

Amitiés, Chris


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Eduard Osieck, 06-04-2021 10:34
Re : Capronia pulcherrima?
Hi Chris
Untereiner (1997) gives 11.7-14.6 x 3.3-4.7 um so your collection fits quite well.
Cheers, Eduard
Chris Yeates, 06-04-2021 14:37
Chris Yeates
Re : Capronia pulcherrima?
Dankjewel voor je hulp, Eduard!

Chris
Wendy Untereiner, 06-04-2021 18:25
Re : Capronia pulcherrima?
Dear Chris,

Yes, this certainly looks like Capronia pulcherrima.  I'd be very happy to attempt to culture this fungus if your collection has been air-dried.  My mailing address is provided, below.

Yours,

Wendy

W.A. Untereiner
Deprtament of Biology
Brandon University
270-18th Street
Brandon, MB
Canada R7A 6A9


Charles Aron, 06-04-2021 22:30
Charles Aron
Re : Capronia pulcherrima?

Hi Chris,


Very interested to hear about your Capronia-I recently found one (by accident) also on decorticated Salix. I wasn't familiar with the genus and it was Nick Aplin who suggested C. acutiseta (see http://ascofrance.com/forum?page=4). I don't normally go for these tiny ascos but Capronia has a lot going for it with setae and interesting spores. Was out today and did not find much but did turn up another Capronia which I'll post shortly.


Best wishes,


Charles.