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02-05-2026 12:42

Alain BRISSARD

Bonjour à tousJeuidi 30 avril dernier on m'a remi

02-05-2026 13:06

Pauline. Penna

Bonjour  Please can someone help me with this id

01-05-2026 22:45

Thierry Blondelle Thierry Blondelle

Bonjour à tous, Une récolte sur bouse séchée d

28-04-2026 20:07

Lothar Krieglsteiner Lothar Krieglsteiner

... on twig in the air at standing Ceratonia siliq

14-04-2026 05:32

Ethan Crenson

Hi all, A few weeks back a friend pointed out som

28-04-2026 20:33

Vitus Schäfftlein

Hello, I found Trochila ilicina on Ilex aquifoliu

30-04-2026 10:43

Castillo Joseba Castillo Joseba

Me mandan el material seco de Galicia, España, 

30-04-2026 10:28

Rot Bojan

Hello, by appearance I would say that I am dealing

27-04-2026 18:48

Tony Moverley

Collected 23rd April 2026, Norfolk, EnglandSwarms

27-04-2026 20:52

Lothar Krieglsteiner Lothar Krieglsteiner

Found on hanging tiwg of Olea europaea in dried-ou

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Melastiza chateri - cornubiensis
Rubén Martínez-Gil, 03-01-2018 22:23
Rubén Martínez-Gil

Hola a todos.


Subo unas fotos de una Melastiza encontrada hace un par de días en suelo removido.


Esporas de 16-20 x 9,4-10,2 micras.


He visto en casi todos los ápices de las paráfisis una sustancia pegada, ¿cristales? ¿Es esto común?


¿Son sinónimos Melastiza chateri y Melastiza cornubiensis? ¿Cuál sería el prioritario?


Gracias por sus respuestas.


Rubén

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Viktorie Halasu, 03-01-2018 22:54
Viktorie Halasu
Re : Melastiza chateri - cornubiensis
Hello Rubén,

with this ornamentation (low, regular, rather thin ribs of reticulum) and hair width over approx. 15 um, I'd call it M. cornubiensis (syn. M. chateri). That few collections I saw had a bit wider spores (I collect M. carbonicola much more frequently than this one, but that's perhaps more my preference of habitats than the fungus'), but their respective sizes are overlapping a lot anyway. See Moravec's last article on this genus: http://www.czechmycology.org/_cm/CM474.pdf 

Viktorie
Rubén Martínez-Gil, 04-01-2018 18:42
Rubén Martínez-Gil
Re : Melastiza chateri - cornubiensis
Thanks for your help, Viktorie.
So, M. chateri is synonymous with M. cornubiensis. The priority name would be M. cornubiensis?
The link you sent does not work, do you have the document?
Can someone help me to know what is the substance of the apex of the paraphysis?
Thank you
Rubén
Stip Helleman, 05-01-2018 01:47
Stip Helleman
Re : Melastiza chateri - cornubiensis
Hi Ruben,
for the link you have to type manually [.pdf] in the end.
about the paraphyses I am not sure but they seems to be apically thick walled, to be sure if it is cell-wall material test with Congo-red. Otherwise it might be some gel layer over the hymenium.
cheers,
Stip
Rubén Martínez-Gil, 06-01-2018 21:01
Rubén Martínez-Gil
Re : Melastiza chateri - cornubiensis

Gracias Stip.


Ya he descargado el documento.


Subo una nueva foto de la sustancia o gel de ápice de las paráfisis.


Tengo todo el material seco, pero en próximas recolectas, las miraré con Rojo Congo.


Rubén

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