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Yellow on short stem
Johan Myhrer,
28-08-2019 09:20
Central Sweden 26 august 2019 on decaying leaf and small twigs (Betula) on damp soil under a stump (Picea abies) on a mire (61°58'43.4"N 16°54'36.8"E).
Spores 20-22x5-6µm, mostly without septa, sometimes with one. No croziers. Paraphyses with many drops. The stem is darker in the lower part.
Thought this would be a Calycina, seems to be a Hymenoscyphus?
Lothar Krieglsteiner,
28-08-2019 09:25
Re : Yellow on short stem
clearly a Hymenoscyphus (at least s.l.) and not a Calycina - because of the multiguttulate paraphyses - and the macroscopical appearance
Regards, Lothar
Hans-Otto Baral,
28-08-2019 10:33
Re : Yellow on short stem
Yes, and the apical ring also excluded Calycina. If the asci are really without croziers it should be Phaeohelotium fulvidulum which may occur in a grey and yellow variant.
Johan Myhrer,
28-08-2019 15:00
Re : Yellow on short stem
Thank you Lothar and Hans-Otto!
P. fulvidulum looks like a match. Is there a description somewhere?
/Johan
Hans-Otto Baral,
28-08-2019 15:27
Re : Yellow on short stem
Take my notes on the drawings :-)
Yes, in Boudier Icones p. 253. I repot it also in my 1985 paper.
Yes, in Boudier Icones p. 253. I repot it also in my 1985 paper.
Johan Myhrer,
28-08-2019 19:00
Re : Yellow on short stem
Thanks again Hans-Otto. I get cautious since P. fulvidulum is never reported from Sweden before, no searchable records in herbaria and nothing in Ove E. Erikssons cheklist from 2014. As a layman you don't really expect to find new species for Sweden every now and then :-D
/Johan