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Incrupila sp. ?
Stefan Blaser,
05-09-2021 20:27
Hello everybody,
I hope somebody can help me with this one:
Substrate: decayed Wood (likely coniferous)
Macro: Apothecia 0.2-0.3 (-0.4) mm. With a slightly translucent, white disc and long, stiff, white hairs.
Micro: Hairs up to 100 µm long and 5-6 µm broad in basal part, tapering to a rounded to rather pointed apex, covered with coarse cristals. Asci 32-36x 5-6 µm, IKI+, with croziers. Paraphyses thread-like, about 1 µm in diameter. Spores 6.5-7.2 x 2.0-2.7 µm with two oil-drops.
It might come in the vicinity of Incrupila lignicola, but I find not much Information on this species. Maybe I am all wrong...
Many thanks for any help,
Stefan
Hans-Otto Baral,
05-09-2021 20:43
Re : Incrupila sp. ?
I lignicola is a good choice! My first idea was a Lachnella parasitized by a Helicogonium. But Helicogonium with amyloid asci?
Did you compare Raitviir's description? That is not too bad. Maybe the statement of thin-walled hairs is wrong.
Did you verify the excipulum (thin-walled globulosa)? The substrate you could probably verify, in case the wood is not completely decayed. Type was on Alnus.
Stefan Blaser,
06-09-2021 10:37
Re : Incrupila sp. ?
Danke Zotto,
Here are two pictures with excipular cells. Definitely thin-walled.
Spores are slightly too broad for I. lignicola.
Otherwise it seems to fit well.
I can double check the wood species when I return to the forest,
but I am pretty positive about coniferous wood.
However, there do not seem to be many collections of this species, thus substrate preferences are not sufficiently known.
Lieber Gruss,
Stefan
Hans-Otto Baral,
06-09-2021 11:48
Re : Incrupila sp. ?
Yes, quite an unknown species. The more important is a trustable host identification.