19-12-2025 10:10
Patrice TANCHAUDBonjour, récolte réalisée en milieu dunaire, a
18-12-2025 17:23
Bruno Coué
Bonjour,je serais heureux d'avoir votre avis sur c
18-12-2025 21:17
Pol DebaenstThe identification took me to Byssonectria deformi
18-12-2025 18:07
Margot en Geert VullingsThese plumes were found on rotten wood.They strong
17-12-2025 18:35
Michel Hairaud
Bonjour à tous/Hi to everyone I am passing along
15-12-2025 15:48
Danny Newman
Melanospora cf. lagenaria on old, rotting, fallen
15-12-2025 15:54
Johan Boonefaes
Unknown anamorph found on the ground in coastal sa
15-12-2025 21:11
Hardware Tony
Small clavate hairs, negative croziers and IKI bb
15-12-2025 07:09
Danny Newman
indet. Rutstroemiaceae sp. on unk. fallen leavesMc
Phragmotrichum chailletii
William de Jong,
16-01-2022 15:10
Found on a cone of Picea abies by Frans Ozinga in The Netherlands: see pictures.
Tiny black perithecia with yellow/brown conidia with longitudinal as well as transverse septa. Measurements: (29,0-)31,0-40,9(-42,0) x (19,0-)19,5x26,2(-26,4) µm; avg. 36,1 x 22,4 µm (n=18).
I'm pretty sure it's Phragmotrichum chailletii. Based on Kunze & J.C. Schmidt (1823), Mykologische Hefte 2: 84-87 and B.C. Sutton & D.K Sandhu, Phragmotrichum pini (W.B. Cooke) comb.nov. (1969), Transactions Britisch Mycololgical Society 42 (1), 67-71.
The conidia are versicoloured, 6-beaked, are frequently chained to each other in pairs of 3 or 4. although, my measurements are a bit longer and broader than in Sutton & Sandhu (24-35x14,5-20 µm).
Since this would be a new species for The Netherlands a confirmation of the identification would be great. Please let me know.
Best regards,
William
Björn Sothmann,
16-01-2022 15:12
Re : Phragmotrichum chailletii
Hi William,
I agree that this is Phragmotrichum chailletii. I am a bit suprised that this has not yet been found in the Netherlands. Here in Germany, it tends to be rather common.
Björn
William de Jong,
16-01-2022 15:17
Re : Phragmotrichum chailletii
Hi Björn,
Thank you for your reply and confirmation!
It could very well be that this species has been found before in The Netherlands, but apparently it is never documented officially.
Best regards,
William
Thank you for your reply and confirmation!
It could very well be that this species has been found before in The Netherlands, but apparently it is never documented officially.
Best regards,
William
Pierre Repellin,
16-01-2022 17:16
Re : Phragmotrichum chailletii
Très commun sur écailles de cones d'épicéa dans le Vercors (Isère)
William de Jong,
16-01-2022 18:42
Re : Phragmotrichum chailletii
Is there also more recent literature about this species?
Edit: Yes there is :) https://doi.org/10.3114/fuse.2020.05.04
(with the following measurement of the conidia: (25–)35–45(–50) × (18–)20–23(–25) µm)
Edit: Yes there is :) https://doi.org/10.3114/fuse.2020.05.04
(with the following measurement of the conidia: (25–)35–45(–50) × (18–)20–23(–25) µm)
Pavol Palo,
16-01-2022 22:06
Phragmotrichum-chailletii-0001.pdf
William de Jong,
17-01-2022 19:27
Re : Phragmotrichum chailletii
Thank you Pavol. From which publication is this?
Pavol Palo,
17-01-2022 19:36
Re : Phragmotrichum chailletii
Hi Wiliam
Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz .
Pavol
Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz .
Pavol
William de Jong,
17-01-2022 20:32
Re : Phragmotrichum chailletii
Thanks!