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Thierry BlondelleHiOn Hedera helix fallen branchEcological habitat:
A giant Roseodiscus formosus?
François Bartholomeeusen,
09-05-2016 11:59
I found a solitary fruiting body on a stump of Alnus covered with moss on a dike in a swamp of Alder.
FRB: 10 – 15 mm, turbinate to cushionlike with a short stalk covered with white hyphen, pink-ochre with lilac tint
Spores: elliptical, hyaline with a few drops on each pole : 8,99-14,58 x 4,09-5,64 µm;
Q= 2.51
Asci: 62,82-94,06 x 4,19-12,39 µm in melzer apex blue
Paraphyses: filiform, sometimes forked: 81,72-98,15 x 2,65-4,96 µm
Outer excipulum: with curved, septated hyphen
Inner excipulum: textura intricata
The FRB looks like a giant Roseodiscus formosus! Can someone help me?
Thanks in advance,
François Bartholomeeusen
Hans-Otto Baral,
09-05-2016 12:18
Re : A giant Roseodiscus formosus?
Dear Francois
look at the contents of the living paraphyses of your photo, these many droplets are very helpful and exclude a Roseodiscus. What you have is Cudoniella tenuispora, a bit too yellow but otherwise seems to me perfect.
Zotto
look at the contents of the living paraphyses of your photo, these many droplets are very helpful and exclude a Roseodiscus. What you have is Cudoniella tenuispora, a bit too yellow but otherwise seems to me perfect.
Zotto
François Bartholomeeusen,
09-05-2016 21:07
Re : A giant Roseodiscus formosus?
Hello Zotto,
Thank you very much, I never would have considered Cudoniella...in my eyes it's still a giant!
François
Thank you very much, I never would have considered Cudoniella...in my eyes it's still a giant!
François
Hans-Otto Baral,
10-05-2016 09:15
Re : A giant Roseodiscus formosus?
1-1.5 cm is not untypical for this species. And it never grows in water.