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30-04-2024 16:22

François Bartholomeeusen

Dear forum members,On April 25 2024, I found one f

03-05-2024 18:04

Riet van Oosten Riet van Oosten

Hello, Found by Laurens van der Linde on Rubus fr

02-05-2024 20:04

éric ROMERO éric ROMERO

Bonjour, Une question à propos de la réaction a

01-05-2024 23:22

Ethan Crenson

Hi all, Found late last week in a New York City p

29-04-2024 21:32

Robin Isaksson Robin Isaksson

Hi! Found in Sweden. Ascomata with haris, se

01-05-2024 12:54

F. JAVIER BALDA JAUREGUI

Hello, everyone.An idea for this pyreno, I found u

30-04-2024 16:59

Sylvie Le Goff

Bonjour. Petite pézize récoltée au sol en bordu

30-04-2024 19:43

Gernot Friebes

Hi!We observed this hyphomycete growing between le

30-04-2024 16:08

maurice pelissier maurice pelissier

BonjourTrouvé dans un torrent de montagne au Chir

29-04-2024 21:51

Mathias Hass Mathias Hass

Hi everyone, Found on attached branches of top pa

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Sclerotinia sp.
Vasileios Kaounas, 15-03-2024 18:26
Vasileios Kaounas
Found in Cupressus semprevirens

stipe 1-1,2 cm

diameter 0,2-0,7 cm

spores 10.3 [11.3 ; 11.8] 12.8 × 5.7 [6.2 ; 6.4] 6.9 µm
Q = 1.6 [1.8 ; 1.9] 2.1 ; N = 30 ; C = 95%
Me = 11.5 × 6.3 µm ; Qe = 1.8

at first I thought it was the trifoliorum, but the spores don't suit me, I also photographed the plants I saw near it.
Hans-Otto Baral, 15-03-2024 20:45
Hans-Otto Baral
Re : Sclerotinia sp.
The one ascus photo is important, it shows 8 equal-sized spores which excludes S. trifoliorum. Alsos spore size should be 12-18 x 6-7.5.  S. sclerotiorum perhaps?