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 Lothar Krieglsteiner
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 Maria Plekkenpol
                Maria Plekkenpol
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                                    28-10-2025 19:33
 Nicolas Suberbielle
                Nicolas Suberbielle
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 Stephen Martin Mifsud
                Stephen Martin Mifsud
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 Bernard Declercq
                Bernard Declercq
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Carl FarmerI'd be grateful for any suggestions for this strik
 
                                    28-10-2025 11:29
 Tanja Böhning
                Tanja Böhning
                Hello, I found this very small (ca 0,5mm) yellow
Cf. Cryptohymenium
    
                    Guillaume Eyssartier,
                18-07-2018 18:33
    
    Bonjour à tous,
je vous envoie cet étrange ascomycète récolté au sol en Nouvelle-Calédonie (je ne suis pas le récolteur). Il semble tout à fait original, bien qu'il partage quelques affinités, notamment microscopiques, avec Cryptohymenium pycnidiophorum.
La partie centrale, noire, est illustrée sur les photos 3 et 4 : on y observe des loges avec des phialides et des conidies, alors que la partie verte, lobée, contient asques et paraphyses.
Merci pour vos avis !
Guillaume.
    
    
    
        
                                    Hans-Otto Baral,
                                18-07-2018 20:49            
             
                Re : Cf. Cryptohymenium
                Cher Guillome,
great collection! Indeed there are strong similarities to C. pycnidiophorum described from New Zealand. Do you have spore measurements?
I see in the Landcare database that the species was quite often collected in New Zealand, and also a single sequence exists, regrettably only ITS, which does not show a relationship to Dermateaceae, where the genus is currently placed, but a high distance to everything.
Do you also have a section of the hymenium? It is subapically under a covering layer? I wonder how asci with apical ring can shoot their spores unless the covering layer ruptures before.
Zotto
                
                
                
                
                
                            great collection! Indeed there are strong similarities to C. pycnidiophorum described from New Zealand. Do you have spore measurements?
I see in the Landcare database that the species was quite often collected in New Zealand, and also a single sequence exists, regrettably only ITS, which does not show a relationship to Dermateaceae, where the genus is currently placed, but a high distance to everything.
Do you also have a section of the hymenium? It is subapically under a covering layer? I wonder how asci with apical ring can shoot their spores unless the covering layer ruptures before.
Zotto
                                    Joey JTan,
                                18-07-2018 21:45            
            Re : Cf. Cryptohymenium
                Wow!
                
                
                
                
                
                            
                                    Guillaume Eyssartier,
                                20-07-2018 12:11            
            Re : Cf. Cryptohymenium
                Dear Zotto,
thank you for your prompt answer.
I will try to observe a section through the hymenium quickly, and of course I won't forget to measure the spores. The ITS if this colletcion is closely related to Cryptohymenium, but significantly different (93 % of similarity). I asked also for the LSU.
To be continued...
Guillaume.
                                    Hans-Otto Baral,
                                20-07-2018 15:20            
             
                Re : Cf. Cryptohymenium
                A you have a sequence. Indeed 7% is pretty much!
                
                
                
                
                
                             
                