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06-08-2025 08:56

Antonio Ezquerro Antoñana Antonio Ezquerro Antoñana

Hola a todos, Me gustaría saber qué opinan sobre

12-02-2012 11:31

Hans-Otto Baral Hans-Otto Baral

Hi allI am quite sure that nobody has a pdf of thi

02-08-2025 12:35

éric ROMERO éric ROMERO

Bonjour tous, J'ai trouvé sur pétiole de Fraxin

02-08-2025 17:21

Andgelo Mombert Andgelo Mombert

Bonjour,Je recherche la description et la planche

30-07-2025 20:52

Bohan Jia

Hi together,  I've been looking posts in AscoFra

30-07-2025 10:12

Bernard CLESSE Bernard CLESSE

Bonjour à toutes et tous,Pourriez-vous m'aider à

31-07-2025 16:32

Andreas Gminder Andreas Gminder

Dear collegues,today I found on a very fresh fire

30-07-2025 18:06

Stefan Jakobsson

On a decorticated twig of Alnus incana on moist so

29-07-2025 18:59

Castillo Joseba Castillo Joseba

Me mandan el  material seco de Galicia, España,

28-07-2025 12:34

Enrique Rubio Enrique Rubio

Hi to everybody.I would appreciate any ideas about

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Small spored Pulvinula?
Tyler Bailey, 20-06-2022 18:50
I found this small cup fruiting on charred wood in a firepit that I could use some help with. NE US. Spores seemed small for Pulvinula but it could have been immature I couldn't get many to drop onto a slide.

 

Apothecia 1-3 mm On burnt wood in a campsite fireplace. Paraphysis hooked, mostly unforked very little keratinoid pigmintation, IKI-, Spores single large guttule: (7.1) 7.5-8.6 (9.2) x (6.8) 7.2-8.6 (*9.4)

Asci 147x10.6

Higher resolution pictures:

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Enrique Rubio, 20-06-2022 18:58
Enrique Rubio
Re : Small spored Pulvinula?
Hi Tyler
Please, compare with Pulvinula archeri.
Tyler Bailey, 20-06-2022 19:23
Re : Small spored Pulvinula?
Wow that was fast! thank you.

Using Pfister's monograph that was one had looked most promising, the only thing that didn't match besides the spore size was the paraphyses since so few were branched and there was almost no pigment in them (but widthwise they matched).
Enrique Rubio, 20-06-2022 19:48
Enrique Rubio
Re : Small spored Pulvinula?
I attach some descriptions by Huhtinen and Rifai. As you will see, the variability of some characters seems to be large.
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Tyler Bailey, 21-06-2022 04:12
Re : Small spored Pulvinula?
That answers that pretty thoroughly, thanks for the descriptions as well.
Nicolas VAN VOOREN, 21-06-2022 08:03
Nicolas VAN VOOREN
Re : Small spored Pulvinula?
I agree with Enrique. P. carbonaria, another carbonicolous species, has larger ascospores.