09-11-2025 13:20
Josep Torres
Hello.A tiny ascomycete, appearing as erupting gra
08-11-2025 00:29
Francois Guay
I found this species in Quebec, Canada, on herbace
04-11-2025 09:07
Josep Torres
Hello.A suspected Hymenoscyphus sprouting on a thi
04-11-2025 12:43
Edvin Johannesen
Hi! One more found on old Populus tremula log in O
03-11-2025 21:34
Edvin Johannesen
These tiny (0.4-0.5 mm diam.), whitish, short-stip
Rutstroemia
Elisabeth Stöckli,
03-09-2018 22:19
Trouvé sur feuilles mortes de Potentilla palustris (au bord d'une tourbière à 998 m), apothécies 0.5 - 0.9 mm de diamètre, stipitées, Hyménium brun clair, surface externe plus foncé, asques 91 - 101 x 10 - 11 µm, octosporés, IKI+, spores 12 - 14.5 x 4.6 - 5.2 µm, biguttulées, lisses, hyalines, paraphyses filiformes, à vacuoles réfringentes.
R. kalevi? Qu'en pensez-vous ? Merci d'avance.
Elisabeth
Hans-Otto Baral,
03-09-2018 23:28
Re : Rutstroemia
Hi Elisabeth
R. kalevi is on Acer leaves, maybe strictly.
I am sorry I have no idea :-(
R. pruni-serotinae and R. ulmariae have similar spores and grow on Rosaceae .....
Zotto
R. kalevi is on Acer leaves, maybe strictly.
I am sorry I have no idea :-(
R. pruni-serotinae and R. ulmariae have similar spores and grow on Rosaceae .....
Zotto
Enrique Rubio,
04-09-2018 07:34
Re : Rutstroemia
We have several collections of R. ulmariae on Potentilla.
Enrique
Enrique
Elisabeth Stöckli,
10-09-2018 20:37
Re : Rutstroemia
Merci Zotto & Enrique!
Elisabeth
Elisabeth
Hans-Otto Baral,
11-09-2018 08:04
Re : Rutstroemia
Indeed, I also saw a sample on Potentilla anserina from norhern Germany (HB 9074a, drawing and photographs online).