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15-10-2025 16:39

Tiny white apothecia on Populus inner bark
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Scutellinia
Rubén Martínez-Gil, 04-06-2019 15:30
Rubén Martínez-Gil

Hola a todos.


Subo unas fotos de una Scutellinia que encontramos sobre tierra húmeda en la orilla de una turbera entre Pinus.


Esporas de 19-20,5 x 16-17,5 micras.


Pelos hasta 900 micras de longitud, muchos con base simple y algunos con bifurcada o multifurcada.


¿Qué les parece?


Gracias por su ayuda,


Rubén

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Nicolas VAN VOOREN, 08-06-2019 12:11
Nicolas VAN VOOREN
Re : Scutellinia
Hola Rubén.
Wonderful!
Never see a species with such ascospores.
Malcolm Greaves, 09-06-2019 00:05
Malcolm Greaves
Re : Scutellinia
Hola Rubén

I found a similar specimen some time ago and also struggled to come to a confident id.

My spores were sub-globose to globose with a mixture of individual and merging warts. The hairs were shorter than your specimen.(the hairs in your first photo look a lot shorter than 900)

S minor has sub globose spores when immature and then globose when mature and that was the only species that came close.

Mal


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Nicolas VAN VOOREN, 09-06-2019 08:55
Nicolas VAN VOOREN
Re : Scutellinia
Yes, Malcom, probably the same species, and I agree with you about the hair length, 900 µm is probably a max length, the mean value should be shorter.
Rubén Martínez-Gil, 10-06-2019 23:44
Rubén Martínez-Gil
Re : Scutellinia

Hola Nico, Malcolm, gracias por sus respuestas.


Sí, la mayoría de los pelos de los apos de mi recolecta miden 300-600 micras de largura, aunque algunos pelos sueltos llegan a casi 900 micras.


Guardo material por si alguna vez hace falta.


Saludos


Rubén