03-02-2026 20:44
Zetti MarioWhen I first saw this white mould on an Agaricus s
18-08-2025 15:07
Lothar Krieglsteiner
.. 20.7.25, in subarctic habital. The liverwort i
02-02-2026 21:46
Margot en Geert VullingsOn a barkless poplar branch, we found hairy discs
02-02-2026 14:55
Andgelo Mombert
Bonjour,Sur thalle de Lobaria pulmonaria.Conidiome
02-02-2026 14:33
Andgelo Mombert
Bonjour,Sur le thalle de Peltigera praetextata, ne
31-01-2026 10:22
Michel Hairaud
Bonjour, Cette hypocreale parasite en nombre les
02-02-2026 09:29
Bernard CLESSE
Bonjour à toutes et tous,Pour cette récolte de 2
01-02-2026 19:29
Nicolas Suberbielle
Bonjour, Marie-Rose D'Angelo (Société Mycologiq
31-01-2026 09:17
Marc Detollenaere
Dear Forum,On decorticated wood of Castanea,I foun
Tiny yellow cups on bark
Ethan Crenson,
08-03-2019 17:37
Found in New York City on the detached bark of unknown hardwood. The cups are .5 - 1.5 mm in diameter, sessile. Pale yellow when hydrated and becoming yellow-orange as they dry. The outer surface is brownish. The asci are IKI+ measuring 36-43 x 5µm. The spores are fusiform, some curved, mostly non-septate. I saw one spore, the longest I measured, that was 1-septate. Spores measure (7.5-) 9-14 (-16) x (1.5-) 2-3 µm. Cells of the ectal excipulum are brown, of textura angularis to globulosa. Medullary excipulum of textura epidermoidea to intricata. (Excipulum images are 2nd and 3rd to last. Please correct me if I'm wrong) If anyone has an idea what this is please let me know. Your input is much appreciated.
Ethan
Hans-Otto Baral,
08-03-2019 17:51
Re : Tiny yellow cups on bark
Do you have living paraphyses? Do they contain refractive vacuoles?
I suppose a Mollisia.
I suppose a Mollisia.
Ethan Crenson,
12-03-2019 17:55
Hans-Otto Baral,
12-03-2019 18:10
Re : Tiny yellow cups on bark
The arrows point to non-refractive vacuoles. between the vacuoles is refractive matter, but this might be dead cytoplasm, These cells appear to me to be in suboptimum (overmature), as seems the whole population.
















