11-11-2023 00:15
Björn Wergen
Dear friends,In Balderschwang, near the border of
02-10-2023 21:01
Nihad OmerovicHello,30. 09. 2023., Mediterranean region, nex to
10-01-2024 17:28
Margot en Geert VullingsOn decayed birch on the ground we saw these very s
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Margot en Geert VullingsWe found these yellow discs on a pine cone and the
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Hardware Tony
Recently found a gergarious group of what appears
07-12-2023 13:40
Andgelo Mombert
Bonjour, Ascomes globuleux, noirs, poilus, gréga
08-01-2024 14:54
Thomas FlammerI am stuck and would be greatful for any hints wit
Conidiomata on leaves of Lysimachia vulgaris.
François Bartholomeeusen,
07-08-2024 18:24
On the discoloured leaf lesions of Lysimachia vulgaris, caused by Septoria lysimachiae, I found several separately growing synnemata (white stem with a round droplet with secreted conidia at the top).
The fascicle has the following dimensions: height 410 µm, width base 175 µm, width top 93 µm
The conidiogenous cells are filamentous and have several branches. On them develop conidia, fusiform and in lateral view slightly allantoid: dimensions:
(5.2) 5.8 - 6.6 (6.9) × (1.5) 1.9 - 2.3 (2.4) µm; Me = 6.2 × 2.1 µm ; Qe = 3
Is there any connection with Septoria lysimachiae or is this an anamorphic form of another species. Any help is welcome as I am not coming to an identification.
Kind regards,
François
