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13-06-2020 19:47

Ethan Crenson

Hello, I found a discomycete recently on a bare h

12-06-2020 09:19

Castillo Joseba Castillo Joseba

Recolectada sobre rama leñosa sin determinar, que

11-06-2020 12:30

Lothar Krieglsteiner Lothar Krieglsteiner

... maybe Crataegus, but I am not sure (different

11-06-2020 12:53

Lothar Krieglsteiner Lothar Krieglsteiner

... found two days ago in Bavaria (Germany), near

09-06-2020 16:03

Joaquin Martin

Hi, The last weekend I found this white Ascomycet

11-06-2020 12:33

Lothar Krieglsteiner Lothar Krieglsteiner

... maybe Viburnum lantana (but mixed with many ot

11-06-2020 09:11

Pablo P. Daniëls

Bonjour, J'ai besoin d'une photographie de Neonec

02-06-2020 20:56

Andgelo Mombert Andgelo Mombert

Bonsoir, Sur branche morte de Ribes petraeum, sur

09-06-2020 20:08

Andgelo Mombert Andgelo Mombert

Bonsoir, Sur branche morte de Ribes petraeum. 150

10-06-2020 08:25

Mirek Gryc

Hi.Subject little known to me, therefore, I would

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greenish disco with globose spores, red subiculum?
Ethan Crenson, 13-06-2020 19:47
Hello,

I found a discomycete recently on a bare hardwood branch that I had left in my backyard in Brooklyn.  They are very small (and hard to photograph), each less than 1/2 mm.  They are greenish with a lighter green margin, seem to grow associated with a red staining in the wood (though I suppose that could be bacterial).

Asci IKI+, 35-43 x 4-5µm... to me they look like there are croziers.

Spores are globose or nearly globose, with a single guttule, 2.5-4 x 2.5-4µm.

Hairs look somewhat enlarged at the tips and slightly encrusted.

Does anyone have any suggestions?  Thank you in advance.

Ethan
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Hans-Otto Baral, 13-06-2020 20:14
Hans-Otto Baral
Re : greenish disco with globose spores, red subiculum?
This is Hyphodiscus theiodeus. It usually grows on Peniophora but also on bark and wood.
Ethan Crenson, 13-06-2020 21:31
Re : greenish disco with globose spores, red subiculum?
Thanks!  That looks like a match!